:root {
    color-scheme: dark;
    --accent: #22c55e;
    --accent-strong: #16a34a;
    --accent-soft: rgba(34, 197, 94, 0.18);
    --accent-border: rgba(34, 197, 94, 0.3);
    --primary: #22c55e;
    --primary-dark: #16a34a;
    --primary-light: #4ade80;
    --bg-app: #020617;
    --bg-app-glow: rgba(34, 197, 94, 0.12);
    --surface-0: #0b1220;
    --surface-1: #0f172a;
    --surface-2: #111827;
    --surface-3: #162033;
    --surface-4: #1f2937;
    --surface-5: rgba(255, 255, 255, 0.04);
    --surface-overlay: rgba(15, 23, 42, 0.78);
    --border-color: #1e293b;
    --border-strong: rgba(148, 163, 184, 0.2);
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-muted: #64748b;
    --text-inverse: #020617;
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #f43f5e;
    --info: #38bdf8;
    --shadow-sm: 0 8px 24px rgba(2, 6, 23, 0.2);
    --shadow-md: 0 18px 40px rgba(2, 6, 23, 0.34);
    --shadow-lg: 0 28px 60px rgba(2, 6, 23, 0.46);
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --font-family: 'Inter', 'Segoe UI', sans-serif;
    --sidebar-width: 320px;
    --contact-panel-width: 320px;
    --shell-gap: 12px;
    --shell-padding: 12px;
    --safe-top: env(safe-area-inset-top);
    --safe-right: env(safe-area-inset-right);
    --safe-bottom: env(safe-area-inset-bottom);
    --safe-left: env(safe-area-inset-left);
    --transition-fast: 160ms ease;
    --transition-base: 220ms ease;
}

body[data-theme='light'],
body[data-theme='forest-light'],
body[data-theme='sunset-glass'] {
    color-scheme: light;
    --primary: #22c55e;
    --primary-dark: #16a34a;
    --primary-light: #4ade80;
    --bg-app: #eef4fb;
    --bg-app-glow: rgba(59, 130, 246, 0.1);
    --surface-0: #ffffff;
    --surface-1: #f8fafc;
    --surface-2: #ffffff;
    --surface-3: #eef2ff;
    --surface-4: #e2e8f0;
    --surface-5: rgba(15, 23, 42, 0.04);
    --surface-overlay: rgba(248, 250, 252, 0.92);
    --border-color: #dbe4f0;
    --border-strong: rgba(15, 23, 42, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-inverse: #ffffff;
    --shadow-sm: 0 10px 28px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 18px 42px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 24px 58px rgba(15, 23, 42, 0.16);
}

body[data-theme='midnight-blue'] {
    --accent: #3b82f6;
    --accent-strong: #2563eb;
    --accent-soft: rgba(59, 130, 246, 0.18);
    --accent-border: rgba(59, 130, 246, 0.3);
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --bg-app: #06121f;
    --bg-app-glow: rgba(59, 130, 246, 0.14);
    --surface-0: #08131f;
    --surface-1: #102033;
    --surface-2: #17263d;
    --surface-3: #1b3352;
    --surface-4: #24405f;
    --surface-5: rgba(255, 255, 255, 0.05);
    --surface-overlay: rgba(16, 32, 51, 0.82);
}

body[data-theme='graphite'] {
    --accent: #f59e0b;
    --accent-strong: #d97706;
    --accent-soft: rgba(245, 158, 11, 0.16);
    --accent-border: rgba(245, 158, 11, 0.26);
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --primary-light: #fbbf24;
    --bg-app: #111315;
    --bg-app-glow: rgba(245, 158, 11, 0.1);
    --surface-0: #15181b;
    --surface-1: #1a1f24;
    --surface-2: #20262d;
    --surface-3: #262e37;
    --surface-4: #2b3541;
    --surface-5: rgba(255, 255, 255, 0.04);
    --surface-overlay: rgba(26, 31, 36, 0.82);
}

body[data-theme='rose-night'] {
    --accent: #ef5da8;
    --accent-strong: #db2777;
    --accent-soft: rgba(239, 93, 168, 0.16);
    --accent-border: rgba(239, 93, 168, 0.28);
    --primary: #ef5da8;
    --primary-dark: #db2777;
    --primary-light: #f472b6;
    --bg-app: #130b16;
    --bg-app-glow: rgba(239, 93, 168, 0.12);
    --surface-0: #180f1d;
    --surface-1: #211428;
    --surface-2: #2a1831;
    --surface-3: #341f3e;
    --surface-4: #442653;
    --surface-5: rgba(255, 255, 255, 0.04);
    --surface-overlay: rgba(33, 20, 40, 0.82);
}

body[data-theme='forest-light'] {
    color-scheme: light;
    --accent: #16a34a;
    --accent-strong: #15803d;
    --accent-soft: rgba(22, 163, 74, 0.12);
    --accent-border: rgba(22, 163, 74, 0.22);
    --primary: #16a34a;
    --primary-dark: #15803d;
    --primary-light: #4ade80;
    --bg-app: #edf6ef;
    --bg-app-glow: rgba(22, 163, 74, 0.08);
    --surface-0: #ffffff;
    --surface-1: #f6fbf7;
    --surface-2: #ffffff;
    --surface-3: #edf7f0;
    --surface-4: #dbeadf;
    --surface-5: rgba(21, 128, 61, 0.04);
    --surface-overlay: rgba(255, 255, 255, 0.9);
    --border-color: #d8e5dc;
    --border-strong: rgba(21, 128, 61, 0.1);
    --text-primary: #102418;
    --text-secondary: #446056;
    --text-muted: #6b7f76;
    --text-inverse: #ffffff;
    --shadow-sm: 0 10px 28px rgba(16, 36, 24, 0.08);
    --shadow-md: 0 18px 42px rgba(16, 36, 24, 0.12);
    --shadow-lg: 0 24px 58px rgba(16, 36, 24, 0.16);
}

body[data-theme='sunset-glass'] {
    color-scheme: light;
    --accent: #f97316;
    --accent-strong: #ea580c;
    --accent-soft: rgba(249, 115, 22, 0.12);
    --accent-border: rgba(249, 115, 22, 0.22);
    --primary: #f97316;
    --primary-dark: #ea580c;
    --primary-light: #fb923c;
    --bg-app: #fff4eb;
    --bg-app-glow: rgba(249, 115, 22, 0.09);
    --surface-0: #ffffff;
    --surface-1: #fffaf5;
    --surface-2: #ffffff;
    --surface-3: #fff0e2;
    --surface-4: #ffe2ca;
    --surface-5: rgba(234, 88, 12, 0.04);
    --surface-overlay: rgba(255, 255, 255, 0.9);
    --border-color: #f2dcc8;
    --border-strong: rgba(154, 52, 18, 0.1);
    --text-primary: #3c1e12;
    --text-secondary: #7c4a32;
    --text-muted: #9f7158;
    --text-inverse: #ffffff;
    --shadow-sm: 0 10px 28px rgba(124, 74, 50, 0.08);
    --shadow-md: 0 18px 42px rgba(124, 74, 50, 0.12);
    --shadow-lg: 0 24px 58px rgba(124, 74, 50, 0.16);
}

body[data-theme='contrast-chat'] {
    --accent: #38bdf8;
    --accent-strong: #0ea5e9;
    --accent-soft: rgba(56, 189, 248, 0.16);
    --accent-border: rgba(56, 189, 248, 0.28);
    --primary: #38bdf8;
    --primary-dark: #0ea5e9;
    --primary-light: #7dd3fc;
    --bg-app: #07111d;
    --bg-app-glow: rgba(56, 189, 248, 0.12);
    --surface-0: #0b1522;
    --surface-1: #111c2a;
    --surface-2: #172231;
    --surface-3: #1c2b3d;
    --surface-4: #23354a;
    --surface-5: rgba(255, 255, 255, 0.05);
    --surface-overlay: rgba(17, 28, 42, 0.82);
    --border-color: #233247;
    --border-strong: rgba(148, 163, 184, 0.22);
    --text-primary: #e2e8f0;
    --text-secondary: #a8b6c8;
    --text-muted: #7f92a8;
    --text-inverse: #07111d;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    font-family: var(--font-family);
    font-size: 14px;
    color: var(--text-primary);
    background:
        radial-gradient(circle at top left, var(--bg-app-glow), transparent 32%),
        radial-gradient(circle at bottom right, rgba(56, 189, 248, 0.08), transparent 28%),
        linear-gradient(180deg, #020617 0%, var(--bg-app) 100%);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body[data-theme='light'],
body[data-theme='forest-light'],
body[data-theme='sunset-glass'] {
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.1), transparent 30%),
        radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.08), transparent 24%),
        linear-gradient(180deg, #f8fbff 0%, var(--bg-app) 100%);
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    opacity: 0.45;
}

a {
    color: var(--accent);
    text-decoration: none;
}

img {
    max-width: 100%;
}

input,
textarea,
select,
button {
    font: inherit;
}

button {
    color: inherit;
}

.hidden {
    display: none !important;
}

::selection {
    background: var(--accent-soft);
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.24);
    border: 2px solid transparent;
    background-clip: padding-box;
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.34);
    border: 2px solid transparent;
    background-clip: padding-box;
}

.screen {
    display: none;
    width: 100%;
    height: 100vh;
    height: 100dvh;
    padding-top: var(--safe-top);
    padding-right: var(--safe-right);
    padding-bottom: var(--safe-bottom);
    padding-left: var(--safe-left);
}

.screen.active {
    display: flex;
}

.login-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(34, 197, 94, 0.18), transparent),
        radial-gradient(ellipse 60% 80% at 80% 90%, rgba(59, 130, 246, 0.10), transparent),
        linear-gradient(160deg, #0a1628 0%, #0f172a 40%, #111827 100%);
    overflow: hidden;
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 44px 40px 36px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.97);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow:
        0 4px 6px rgba(0, 0, 0, 0.02),
        0 20px 50px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(24px);
    color: #1e293b;
}

body[data-theme='light'] .login-card,
body[data-theme='forest-light'] .login-card,
body[data-theme='sunset-glass'] .login-card {
    background: rgba(255, 255, 255, 0.97);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo i {
    display: inline-flex;
    width: 64px;
    height: 64px;
    border-radius: 20px;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: #ffffff;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.30);
    margin-bottom: 16px;
}

.login-logo h1 {
    font-size: 26px;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.login-logo p {
    font-size: 14px;
    color: #64748b;
    margin-top: 6px;
    font-weight: 400;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    font-size: 12px;
    font-weight: 600;
    color: #475569;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.login-card .form-group label {
    color: #475569;
}

.input-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    color: #94a3b8;
    pointer-events: none;
    z-index: 1;
}

.input-icon input,
.input-icon textarea,
.input-icon select {
    padding-left: 44px;
}

.sidebar-search-panel .input-icon input {
    padding-left: 42px;
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='search'],
textarea,
select {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: 14px;
    background: var(--surface-5);
    color: var(--text-primary);
    padding: 14px 16px;
    font-size: 15px;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

.login-card input[type='email'],
.login-card input[type='password'],
.login-card input[type='text'] {
    border: 1.5px solid #e2e8f0;
    border-radius: 14px;
    background: #f8fafc;
    color: #1e293b;
    padding: 14px 16px;
    font-size: 15px;
}

.login-card input::placeholder {
    color: #94a3b8;
}

.login-card input:focus {
    border-color: #25D366;
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.12);
    background: #ffffff;
}

.login-card .input-icon input {
    padding-left: 44px;
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.12);
    background: rgba(255, 255, 255, 0.06);
}

body[data-theme='light'] input:focus,
body[data-theme='light'] textarea:focus,
body[data-theme='light'] select:focus,
body[data-theme='forest-light'] input:focus,
body[data-theme='forest-light'] textarea:focus,
body[data-theme='forest-light'] select:focus,
body[data-theme='sunset-glass'] input:focus,
body[data-theme='sunset-glass'] textarea:focus,
body[data-theme='sunset-glass'] select:focus {
    background: #ffffff;
}

input[type='color'] {
    width: 48px;
    min-width: 48px;
    height: 48px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    background: var(--surface-5);
    padding: 4px;
}

textarea {
    resize: vertical;
    min-height: 96px;
}

select {
    cursor: pointer;
}

.input-sm input {
    padding: 10px 12px 10px 36px;
    font-size: 13px;
}

.input-sm i {
    left: 12px;
    font-size: 16px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 16px;
    padding: 12px 18px;
    cursor: pointer;
    font-weight: 600;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn:hover,
.icon-btn:hover,
.filter-tab:hover,
.data-list-item:hover,
.tag-selector-item:hover,
.conversation-item:hover {
    transform: translateY(-1px);
}

.btn:active,
.icon-btn:active,
.filter-tab:active {
    transform: scale(0.97);
}

.btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    box-shadow: 0 14px 28px rgba(34, 197, 94, 0.22);
}

.btn-primary:hover {
    box-shadow: 0 18px 36px rgba(34, 197, 94, 0.28);
}

.login-card .btn-primary {
    padding: 15px 18px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 14px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.25);
    margin-top: 6px;
}

.login-card .btn-primary:hover {
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.35);
}

.btn-secondary {
    background: var(--surface-5);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.btn-danger {
    color: #ffffff;
    background: linear-gradient(135deg, #fb7185 0%, var(--danger) 100%);
    box-shadow: 0 14px 28px rgba(244, 63, 94, 0.22);
}

.btn-sm {
    padding: 10px 14px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.login-install-cta {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.login-card .login-install-cta .btn-secondary {
    background: #f1f5f9;
    border-color: #e2e8f0;
    color: #475569;
    border-radius: 14px;
    font-size: 14px;
}

.login-install-note {
    color: #94a3b8;
    font-size: 12px;
    line-height: 1.5;
    text-align: center;
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
    flex-shrink: 0;
}

.icon-btn:hover {
    background: var(--surface-5);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.utility-btn.active {
    background: var(--accent-soft);
    color: var(--accent);
    border-color: var(--accent-border);
}

.alert {
    padding: 12px 14px;
    border-radius: 14px;
    font-size: 13px;
    border: 1px solid transparent;
    margin-bottom: 12px;
}

.alert-error {
    border-color: rgba(244, 63, 94, 0.24);
    background: rgba(244, 63, 94, 0.12);
    color: #fecdd3;
}

.login-card .alert-error {
    border-color: rgba(239, 68, 68, 0.2);
    background: #fef2f2;
    color: #dc2626;
    border-radius: 12px;
}

.app-container {
    position: relative;
    display: flex;
    gap: var(--shell-gap);
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: var(--shell-padding);
    border-radius: 0;
    border: 1px solid rgba(148, 163, 184, 0.12);
    background: rgba(2, 6, 23, 0.44);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(16px);
    overflow: hidden;
}

@media (display-mode: standalone) {
    .screen {
        height: 100dvh;
    }

    .app-container {
        min-height: 100%;
    }
}

body[data-theme='light'] .app-container,
body[data-theme='forest-light'] .app-container,
body[data-theme='sunset-glass'] .app-container {
    background: rgba(255, 255, 255, 0.56);
}

.sidebar,
.chat-area,
.contact-panel {
    min-height: 0;
    border-radius: 28px;
    border: 1px solid var(--border-color);
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.96) 0%, rgba(11, 18, 32, 0.92) 100%);
    box-shadow: var(--shadow-md);
}

body[data-theme='light'] .sidebar,
body[data-theme='light'] .chat-area,
body[data-theme='light'] .contact-panel,
body[data-theme='forest-light'] .sidebar,
body[data-theme='forest-light'] .chat-area,
body[data-theme='forest-light'] .contact-panel,
body[data-theme='sunset-glass'] .sidebar,
body[data-theme='sunset-glass'] .chat-area,
body[data-theme='sunset-glass'] .contact-panel {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.96) 100%);
}

.sidebar {
    width: var(--sidebar-width);
    flex: 0 0 var(--sidebar-width);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 20px 14px;
}

.sidebar-brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.brand-mark {
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.24) 0%, rgba(34, 197, 94, 0.08) 100%);
    color: var(--accent);
    font-size: 22px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.brand-copy {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.brand-copy strong {
    font-size: 18px;
    letter-spacing: -0.04em;
}

.brand-kicker {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}

.sidebar-utility-actions {
    gap: 8px;
}

.sidebar-profile-card {
    margin: 0 16px 16px;
    padding: 16px;
    border-radius: 24px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0%, rgba(148, 163, 184, 0.02) 100%);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

body[data-theme='light'] .sidebar-profile-card,
body[data-theme='forest-light'] .sidebar-profile-card,
body[data-theme='sunset-glass'] .sidebar-profile-card {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.02) 0%, rgba(59, 130, 246, 0.03) 100%);
}

.workspace-topbar {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 14px;
    padding: 12px 12px 0;
    position: relative;
    z-index: 2;
    flex-wrap: wrap;
}

.workspace-profile-card {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    border-radius: 22px;
    border: 1px solid var(--border-color);
    background: var(--surface-overlay);
    backdrop-filter: blur(18px);
    min-width: min(100%, 540px);
    flex-wrap: wrap;
}

.workspace-profile-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    margin-left: auto;
}

.workspace-profile-actions .icon-btn i {
    font-size: 20px;
}

.topbar-action-btn {
    display: inline-flex;
}

#btn-menu {
    display: none;
}

.workspace-status-row {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
    min-width: 260px;
    margin-left: auto;
}

.theme-switcher-copy {
    min-width: 170px;
    padding: 16px 18px;
    border-radius: 22px;
    border: 1px solid var(--border-color);
    background: var(--surface-overlay);
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    margin-left: auto;
    position: relative;
}

.theme-select {
    width: 100%;
    min-width: 170px;
    padding: 10px 38px 10px 14px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--surface-5);
    color: var(--text-primary);
    appearance: none;
    outline: none;
}

.theme-switcher-copy::after {
    content: '\ea4e';
    font-family: 'remixicon';
    position: absolute;
    right: 30px;
    bottom: 26px;
    color: var(--text-muted);
    pointer-events: none;
    font-size: 16px;
}

.theme-switcher-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

#theme-name-label {
    font-size: 15px;
    letter-spacing: -0.03em;
}

.sidebar-profile-main {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar-small,
.chat-header-avatar,
.conv-avatar,
.contact-avatar-large {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.18) 0%, rgba(56, 189, 248, 0.08) 100%);
    border: 1px solid rgba(148, 163, 184, 0.16);
    color: var(--text-secondary);
    overflow: hidden;
}

.user-avatar-small {
    width: 46px;
    height: 46px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.sidebar-profile-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 15px;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 12px;
    color: var(--text-secondary);
}

.sidebar-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.wa-status-dot {
    position: absolute;
    right: 6px;
    bottom: 6px;
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: var(--text-muted);
    border: 2px solid var(--surface-1);
    box-shadow: 0 0 0 4px rgba(2, 6, 23, 0.2);
}

.wa-status-dot.connected {
    background: var(--success);
}

.wa-status-dot.disconnected {
    background: var(--danger);
}

.dropdown-menu,
.conversation-context-menu {
    position: absolute;
    right: 0;
    min-width: 220px;
    padding: 8px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: rgba(11, 18, 32, 0.96);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(24px);
    overflow: hidden;
    z-index: 1000;
}

body[data-theme='light'] .dropdown-menu,
body[data-theme='light'] .conversation-context-menu,
body[data-theme='forest-light'] .dropdown-menu,
body[data-theme='forest-light'] .conversation-context-menu,
body[data-theme='sunset-glass'] .dropdown-menu,
body[data-theme='sunset-glass'] .conversation-context-menu {
    background: rgba(255, 255, 255, 0.94);
}

.dropdown-menu {
    top: calc(100% + 8px);
    display: none;
}

.dropdown-menu.active {
    display: block;
}

.dropdown-menu a,
.conversation-context-menu .ctx-item {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--text-primary);
    padding: 11px 12px;
    border-radius: 14px;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover,
.conversation-context-menu .ctx-item:hover {
    background: var(--surface-5);
}

.dropdown-menu hr,
.conversation-context-menu .ctx-sep {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 6px 0;
}

.conversation-context-menu {
    position: fixed;
}

.conversation-context-menu .ctx-item.danger {
    color: #fda4af;
}

.sidebar-status-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.sidebar-status-card {
    padding: 12px;
    border-radius: 16px;
    background: var(--surface-5);
    border: 1px solid var(--border-color);
}

.sidebar-status-card strong {
    display: block;
    font-size: 13px;
    margin-top: 4px;
}

.sidebar-status-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
}

.sidebar-search-panel {
    padding: 0 16px 14px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}

.section-heading span {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-heading small {
    font-size: 11px;
    color: var(--text-muted);
}

.filter-tabs {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
    padding-top: 12px;
    overflow: hidden;
    scrollbar-width: none;
}

.filter-tabs::-webkit-scrollbar {
    display: none;
}

.filter-tab {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    width: 100%;
    min-width: 0;
    padding: 12px 10px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: var(--surface-5);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-tab i {
    font-size: 18px;
}

.filter-tab span {
    display: none;
}

.filter-tab.active {
    color: #ffffff;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.92) 0%, rgba(22, 163, 74, 0.92) 100%);
    border-color: transparent;
    box-shadow: 0 14px 28px rgba(34, 197, 94, 0.22);
}

.conversation-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px 10px;
    color: var(--text-secondary);
}

.conversation-list-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.conversation-list-caption {
    font-size: 12px;
    color: var(--text-muted);
}

.conversation-list {
    flex: 1;
    overflow: auto;
    padding: 0 12px 12px;
}

.conversation-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    margin-bottom: 8px;
    border-radius: 20px;
    cursor: pointer;
    position: relative;
    border: 1px solid transparent;
    transition: transform var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.conversation-item::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.conversation-item:hover,
.conversation-item.active {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

body[data-theme='light'] .conversation-item:hover,
body[data-theme='light'] .conversation-item.active,
body[data-theme='forest-light'] .conversation-item:hover,
body[data-theme='forest-light'] .conversation-item.active,
body[data-theme='sunset-glass'] .conversation-item:hover,
body[data-theme='sunset-glass'] .conversation-item.active {
    background: rgba(59, 130, 246, 0.05);
}

.conversation-item:hover::before,
.conversation-item.active::before {
    opacity: 1;
}

.conversation-item.active {
    border-color: var(--accent-border);
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.12), rgba(56, 189, 248, 0.04));
}

.conversation-item.unread {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.14), rgba(34, 197, 94, 0.04));
    border-color: rgba(34, 197, 94, 0.16);
}

.conversation-item.unread::after {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--accent) 0%, rgba(34, 197, 94, 0.1) 100%);
}

.conversation-item.pinned {
    box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.18);
}

.conversation-item.moving-out {
    opacity: 0;
    transform: translateX(-14px);
}

.conv-avatar {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.conv-avatar img,
.chat-header-avatar img,
.contact-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.conv-info {
    flex: 1;
    min-width: 0;
}

.conv-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 6px;
}

.conv-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.conv-name {
    font-size: 15px;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conv-time {
    font-size: 11px;
    color: var(--text-muted);
}

.conversation-item.unread .conv-time {
    color: var(--accent);
    font-weight: 700;
}

.conv-hover-close {
    opacity: 0;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    transition: opacity var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
    transform: translateY(-2px);
}

.conversation-item:hover .conv-hover-close,
.conversation-item.status-closed .conv-hover-close {
    opacity: 1;
    transform: translateY(0);
}

.conv-hover-close:hover {
    color: var(--success);
}

.conv-preview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.conv-last-msg {
    flex: 1;
    min-width: 0;
    color: var(--text-secondary);
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conv-badges {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.conv-unread-badge {
    min-width: 24px;
    height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 10px 18px rgba(34, 197, 94, 0.24);
}

.conv-tags {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.tag-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.04);
}

.chat-area {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(20, 31, 48, 0.98) 0%, rgba(18, 28, 43, 0.96) 100%);
}

.chat-backdrop,
.chat-area::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.chat-backdrop {
    background:
    radial-gradient(circle at top right, rgba(34, 197, 94, 0.12), transparent 24%),
    radial-gradient(circle at bottom left, rgba(56, 189, 248, 0.11), transparent 26%);
}

.chat-area::before {
    opacity: 0.24;
    background-image: radial-gradient(circle at 1px 1px, rgba(148, 163, 184, 0.2) 1px, transparent 0);
    background-size: 28px 28px;
}

.chat-empty,
.chat-active {
    position: relative;
    z-index: 1;
    min-height: 0;
}

.workspace-body {
    position: relative;
    z-index: 1;
    flex: 1;
    min-height: 0;
    display: flex;
    gap: 12px;
    padding: 8px 12px 12px;
    align-items: stretch;
}

.chat-empty {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
}

.chat-empty-content {
    max-width: 460px;
    text-align: center;
}

.chat-empty-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--accent-border);
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
}

.chat-empty-content i {
    display: block;
    font-size: 72px;
    color: var(--accent);
    margin-bottom: 18px;
}

.chat-empty-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.05;
    letter-spacing: -0.05em;
    margin-bottom: 12px;
}

.chat-empty-content p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
}

.chat-active {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    animation: fadeSlideIn var(--transition-base);
    border-radius: 28px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.01);
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    margin: 0 0 0;
    border-radius: 24px;
    background: var(--surface-overlay);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(18px);
}

.chat-header-main {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    flex: 1;
}

.btn-back-mobile {
    display: none;
}

.chat-header-avatar {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
}

.chat-header-info {
    min-width: 0;
    cursor: pointer;
}

.chat-header-info h3 {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.03em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-header-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 4px;
    flex-wrap: wrap;
}

.chat-phone {
    color: var(--text-secondary);
    font-size: 12px;
}

.chat-typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.12);
    color: #7dd3fc;
    font-size: 12px;
    font-weight: 600;
}

.typing-dots {
    display: inline-flex;
    gap: 3px;
}

.typing-dots span {
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background: currentColor;
    animation: typingPulse 1s infinite ease-in-out;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.15s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes typingPulse {
    0%,
    80%,
    100% {
        opacity: 0.4;
        transform: translateY(0);
    }
    40% {
        opacity: 1;
        transform: translateY(-2px);
    }
}

.chat-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.chat-status-badge select {
    min-width: 146px;
    padding: 10px 14px;
    border-radius: 999px;
    background: var(--surface-5);
    border: 1px solid var(--border-color);
    font-weight: 600;
}

.chat-tags-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding: 0;
    align-items: center;
    justify-content: flex-end;
}

.chat-tags-bar:empty {
    display: none;
}

.chat-tag,
.contact-panel-tags .chat-tag,
.contact-tags .chat-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.12);
}

.messages-wrapper {
    flex: 1;
    overflow: auto;
    padding: 12px 0 10px;
    min-height: 0;
}

.messages-container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: 0 12px;
}

.message {
    display: flex;
    margin-bottom: 10px;
}

.message.incoming {
    justify-content: flex-start;
}

.message.outgoing {
    justify-content: flex-end;
}

.message-bubble {
    max-width: min(82%, 760px);
    position: relative;
    padding: 14px 16px 10px;
    border-radius: 22px;
    border: 1px solid rgba(148, 163, 184, 0.1);
    box-shadow: 0 18px 36px rgba(2, 6, 23, 0.14);
    word-break: break-word;
    animation: fadeSlideIn var(--transition-base);
}

.message.incoming .message-bubble {
    background: rgba(17, 24, 39, 0.92);
    border-bottom-left-radius: 10px;
}

.message.outgoing .message-bubble {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.18) 0%, rgba(34, 197, 94, 0.1) 100%);
    border-color: rgba(34, 197, 94, 0.18);
    border-bottom-right-radius: 10px;
}

body[data-theme='light'] .message.incoming .message-bubble,
body[data-theme='forest-light'] .message.incoming .message-bubble,
body[data-theme='sunset-glass'] .message.incoming .message-bubble {
    background: rgba(255, 255, 255, 0.94);
}

body[data-theme='light'] .message.outgoing .message-bubble,
body[data-theme='forest-light'] .message.outgoing .message-bubble,
body[data-theme='sunset-glass'] .message.outgoing .message-bubble {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.16) 0%, rgba(34, 197, 94, 0.08) 100%);
}

body[data-theme='contrast-chat'] .chat-area {
    background: linear-gradient(180deg, rgba(233, 240, 248, 0.98) 0%, rgba(219, 229, 240, 0.96) 100%);
}

body[data-theme='contrast-chat'] .chat-backdrop {
    background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.12), transparent 24%),
    radial-gradient(circle at bottom left, rgba(14, 165, 233, 0.1), transparent 26%);
}

body[data-theme='contrast-chat'] .chat-header,
body[data-theme='contrast-chat'] .chat-input-area,
body[data-theme='contrast-chat'] .chat-input-row,
body[data-theme='contrast-chat'] .chat-input-wrapper,
body[data-theme='contrast-chat'] .reply-box,
body[data-theme='contrast-chat'] .edit-banner,
body[data-theme='contrast-chat'] .chat-status-badge select,
body[data-theme='contrast-chat'] .quick-replies-popup {
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(148, 163, 184, 0.24);
}

body[data-theme='contrast-chat'] #chat-contact-name,
body[data-theme='contrast-chat'] .message-text,
body[data-theme='contrast-chat'] .chat-input-wrapper textarea,
body[data-theme='contrast-chat'] .message-media-doc span {
    color: #0f172a;
}

body[data-theme='contrast-chat'] .chat-phone,
body[data-theme='contrast-chat'] .message-time,
body[data-theme='contrast-chat'] .message-edited-label,
body[data-theme='contrast-chat'] .composer-hint-row {
    color: #475569;
}

body[data-theme='contrast-chat'] .message.incoming .message-bubble {
    background: rgba(255, 255, 255, 0.94);
}

body[data-theme='contrast-chat'] .message.outgoing .message-bubble {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.2) 0%, rgba(56, 189, 248, 0.1) 100%);
    border-color: rgba(56, 189, 248, 0.24);
}

body[data-theme='contrast-chat'] .date-separator span {
    background: rgba(255, 255, 255, 0.84);
    color: #334155;
}

.message-actions {
    position: absolute;
    top: -18px;
    right: 10px;
    display: flex;
    gap: 6px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    transform: translateY(4px);
}

.message:hover .message-actions {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.message-action-btn {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background: var(--surface-1);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.message-action-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.message-action-btn.danger:hover {
    color: #fda4af;
    border-color: rgba(244, 63, 94, 0.24);
}

.message-sender {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.message-text {
    font-size: 14px;
    line-height: 1.65;
    color: var(--text-primary);
    white-space: pre-wrap;
}

.message-text a {
    color: #7dd3fc;
}

.message-media {
    margin: 6px 0 2px;
    border-radius: 18px;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.12);
    background: rgba(255, 255, 255, 0.03);
}

.message-media img,
.message-media video {
    display: block;
    max-width: min(360px, 100%);
    max-height: 360px;
}

.message-media audio {
    width: min(320px, 100%);
    display: block;
}

.message-media-doc {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(148, 163, 184, 0.12);
}

.message-media-doc i {
    font-size: 28px;
    color: var(--accent);
}

.message-media-doc span {
    font-size: 13px;
    color: var(--text-primary);
    word-break: break-word;
}

.message-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 8px;
}

.message-time,
.message-edited-label {
    font-size: 11px;
    color: var(--text-muted);
}

.message-status {
    font-size: 16px;
}

.message-status.read {
    color: var(--info);
}

.message-status.failed {
    color: var(--danger);
}

.date-separator {
    display: flex;
    justify-content: center;
    padding: 8px 0 14px;
}

.date-separator span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(148, 163, 184, 0.16);
    color: var(--text-secondary);
    font-size: 12px;
    backdrop-filter: blur(14px);
}

body[data-theme='light'] .date-separator span,
body[data-theme='forest-light'] .date-separator span,
body[data-theme='sunset-glass'] .date-separator span {
    background: rgba(255, 255, 255, 0.84);
}

.chat-input-area {
    position: relative;
    padding: 0 0 0;
    flex-shrink: 0;
}

.composer-hint-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 0 8px 10px;
    color: var(--text-muted);
    font-size: 12px;
}

.composer-hint {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.composer-hint strong {
    color: var(--accent);
}

.composer-hint-muted {
    justify-content: flex-end;
}

.reply-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.reply-box-content {
    min-width: 0;
}

.reply-box-title {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 4px;
}

.reply-box-preview {
    max-width: 440px;
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-input-row {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 12px;
    border-radius: 24px;
    background: var(--surface-overlay);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
}

.chat-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 2px 2px 2px 12px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.chat-input-wrapper:focus-within {
    border-color: var(--accent-border);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.12);
    background: rgba(255, 255, 255, 0.06);
}

.chat-input-wrapper textarea {
    min-height: 26px;
    max-height: 120px;
    border: 0;
    background: transparent;
    padding: 10px 4px;
    resize: none;
    outline: none;
    line-height: 1.55;
}

.chat-input-wrapper textarea:focus {
    box-shadow: none;
}

.btn-send {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
    box-shadow: 0 18px 32px rgba(34, 197, 94, 0.26);
}

.btn-send:hover {
    color: #ffffff;
    border-color: transparent;
}

#btn-record-audio.recording {
    color: #ffffff;
    background: linear-gradient(135deg, #fb7185 0%, var(--danger) 100%);
    box-shadow: 0 16px 30px rgba(244, 63, 94, 0.24);
}

.quick-replies-popup {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: calc(100% + 10px);
    max-height: 260px;
    overflow: auto;
    border-radius: 22px;
    border: 1px solid var(--border-color);
    background: rgba(11, 18, 32, 0.96);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    z-index: 30;
}

body[data-theme='light'] .quick-replies-popup,
body[data-theme='forest-light'] .quick-replies-popup,
body[data-theme='sunset-glass'] .quick-replies-popup {
    background: rgba(255, 255, 255, 0.96);
}

.qr-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 14px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-fast);
}

.qr-item:last-child {
    border-bottom: 0;
}

.qr-item:hover {
    background: var(--surface-5);
}

.qr-item-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.qr-item-shortcut {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 8px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 11px;
    font-weight: 700;
}

.qr-item-title {
    font-size: 13px;
    font-weight: 700;
}

.qr-item-preview {
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contact-panel {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    width: var(--contact-panel-width);
    min-width: 0;
    flex: 0 0 var(--contact-panel-width);
    z-index: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    align-self: stretch;
}

.panel-close-btn {
    display: inline-flex;
}

#contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.panel-header {
    padding: 14px 14px 10px;
}

.panel-header-main {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.panel-header h3 {
    font-size: 18px;
    letter-spacing: -0.03em;
}

.panel-header p {
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.panel-body {
    flex: 1;
    overflow: auto;
    padding: 0 14px 14px;
}

.contact-overview-card,
.panel-section,
.contact-start-form {
    border-radius: 22px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.contact-overview-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px;
    text-align: center;
    margin-bottom: 14px;
}

.contact-avatar-large {
    width: 104px;
    height: 104px;
    border-radius: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    box-shadow: 0 18px 36px rgba(2, 6, 23, 0.18);
}

.contact-overview-copy {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.contact-overview-copy strong {
    font-size: 18px;
    letter-spacing: -0.03em;
}

.contact-overview-copy span {
    color: var(--text-secondary);
    font-size: 12px;
}

.contact-panel-tags,
.contact-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.panel-section {
    padding: 16px;
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.62);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    width: min(92vw, 720px);
    max-height: min(86vh, 900px);
    display: flex;
    flex-direction: column;
    border-radius: 28px;
    border: 1px solid var(--border-color);
    background: rgba(11, 18, 32, 0.96);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: modalIn var(--transition-base);
}

body[data-theme='light'] .modal-content,
body[data-theme='forest-light'] .modal-content,
body[data-theme='sunset-glass'] .modal-content {
    background: rgba(255, 255, 255, 0.96);
}

.modal-sm {
    max-width: 440px;
}

.modal-md {
    max-width: 620px;
}

.modal-lg {
    max-width: 900px;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    letter-spacing: -0.03em;
}

.modal-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-body {
    padding: 20px;
    overflow: auto;
}

.data-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 440px;
    overflow: auto;
}

.data-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.data-list-item-info {
    min-width: 0;
    flex: 1;
}

.data-list-item-info h4 {
    font-size: 14px;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.data-list-item-info p {
    margin-top: 4px;
    color: var(--text-secondary);
    font-size: 12px;
}

.data-list-item-actions {
    display: flex;
    align-items: center;
    gap: 6px;
}

.data-list-item-actions .icon-btn {
    width: 34px;
    height: 34px;
}

.tags-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.tag-selector-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 14px;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag-selector-item.selected {
    border-color: var(--accent-border);
    background: var(--accent-soft);
}

.tag-selector-item .tag-color {
    width: 16px;
    height: 16px;
    border-radius: 6px;
    flex-shrink: 0;
}

.tag-selector-item .tag-label {
    flex: 1;
}

.tag-selector-item .tag-check {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.tag-selector-item.selected .tag-check {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.inline-form,
.user-form,
.qr-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.inline-form {
    flex-direction: row;
    align-items: center;
}

.inline-form input[type='text'] {
    flex: 1;
}

.contact-start-form {
    padding: 14px;
    margin-bottom: 14px;
}

#qr-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 250px;
}

#qr-container img {
    width: 250px;
    height: 250px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    background: #ffffff;
    padding: 12px;
}

.qr-placeholder,
.loading-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-secondary);
    text-align: center;
}

.wa-connected-icon {
    font-size: 72px;
    color: var(--success);
    margin-bottom: 8px;
}

.toast-container {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pwa-install-banner {
    position: fixed;
    left: max(16px, calc(var(--safe-left) + 16px));
    right: max(16px, calc(var(--safe-right) + 16px));
    bottom: max(16px, calc(var(--safe-bottom) + 16px));
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 18px;
    border-radius: 22px;
    border: 1px solid rgba(34, 197, 94, 0.24);
    background: linear-gradient(135deg, rgba(2, 6, 23, 0.92) 0%, rgba(15, 23, 42, 0.96) 52%, rgba(22, 163, 74, 0.28) 100%);
    box-shadow: 0 24px 50px rgba(2, 6, 23, 0.36);
    backdrop-filter: blur(18px);
    z-index: 2900;
}

body[data-theme='light'] .pwa-install-banner,
body[data-theme='forest-light'] .pwa-install-banner,
body[data-theme='sunset-glass'] .pwa-install-banner {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.98) 58%, rgba(34, 197, 94, 0.18) 100%);
}

.pwa-install-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pwa-install-kicker {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
}

.pwa-install-copy strong {
    font-size: 18px;
    letter-spacing: -0.03em;
}

.pwa-install-copy p {
    color: var(--text-secondary);
    font-size: 13px;
}

.pwa-install-banner .btn {
    flex-shrink: 0;
    min-width: 220px;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 300px;
    max-width: 380px;
    padding: 14px 16px;
    border-radius: 18px;
    border: 1px solid var(--border-color);
    background: rgba(11, 18, 32, 0.96);
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(18px);
    animation: toastIn var(--transition-base);
}

body[data-theme='light'] .toast,
body[data-theme='forest-light'] .toast,
body[data-theme='sunset-glass'] .toast {
    background: rgba(255, 255, 255, 0.96);
}

.toast.success {
    border-color: rgba(34, 197, 94, 0.24);
}

.toast.error {
    border-color: rgba(244, 63, 94, 0.24);
}

.toast i {
    font-size: 20px;
}

.toast-msg {
    flex: 1;
}

.toast-close {
    cursor: pointer;
    opacity: 0.6;
}

.toast-close:hover {
    opacity: 1;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(16px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid rgba(148, 163, 184, 0.18);
    border-top-color: var(--accent);
    border-radius: 999px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.conversation-skeleton-list,
.message-skeleton-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.conversation-skeleton {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
}

.message-skeleton {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: min(62%, 420px);
    padding: 14px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.03);
}

.message-skeleton.outgoing {
    align-self: flex-end;
    margin-left: auto;
}

.message-skeleton.incoming {
    align-self: flex-start;
}

.skeleton-avatar,
.skeleton-line {
    position: relative;
    overflow: hidden;
    background: rgba(148, 163, 184, 0.12);
}

.skeleton-avatar::after,
.skeleton-line::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.18) 50%, transparent 100%);
    transform: translateX(-100%);
    animation: shimmer 1.5s infinite;
}

.skeleton-avatar {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    flex-shrink: 0;
}

.skeleton-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.skeleton-line {
    display: block;
    width: 100%;
    height: 12px;
    border-radius: 999px;
}

.skeleton-line-lg {
    width: 76%;
}

.skeleton-line-md {
    width: 58%;
}

.skeleton-line-sm {
    width: 42%;
}

@keyframes shimmer {
    to {
        transform: translateX(100%);
    }
}

.online-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.online-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--success);
    box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.12);
}

.offline-dot {
    background: var(--text-muted);
    box-shadow: none;
}

.mt-2 {
    margin-top: 12px;
}

.text-center {
    text-align: center;
}

.text-muted {
    color: var(--text-secondary);
}

.text-sm {
    font-size: 12px;
}

@media (max-width: 1180px) {
    .topbar-action-btn {
        display: none;
    }

    #btn-menu {
        display: inline-flex;
    }

    .workspace-body {
        padding: 8px 12px 12px;
    }

    .app-container {
        width: 100%;
        height: 100%;
    }

    .contact-panel {
        position: absolute;
        top: 12px;
        right: 12px;
        bottom: 12px;
        width: min(360px, calc(100% - 24px));
        z-index: 40;
    }
}

@media (max-width: 1024px) {
    .app-container {
        padding: 10px;
        gap: 10px;
    }

    .sidebar {
        width: 300px;
        flex-basis: 300px;
    }

    .messages-container {
        padding: 0 16px;
    }

    .chat-header {
        flex-direction: column;
        align-items: stretch;
    }

    .workspace-body {
        padding: 6px 10px 10px;
    }

    .workspace-topbar {
        flex-direction: column;
    }

    .workspace-profile-card {
        flex-direction: column;
        align-items: stretch;
    }

    .workspace-profile-actions {
        margin-left: 0;
        flex-wrap: wrap;
    }

    .workspace-status-row {
        min-width: 0;
        margin-left: 0;
        width: 100%;
    }

    .theme-switcher-copy {
        width: 100%;
        min-width: 0;
        margin-left: 0;
    }

    .chat-header-actions {
        justify-content: flex-end;
    }
}

@media (max-width: 860px) {
    .app-container {
        border-radius: 0;
    }

    .sidebar,
    .chat-area,
    .contact-panel {
        border-radius: 22px;
    }

    .sidebar {
        position: absolute;
        inset: 10px;
        width: auto;
        flex-basis: auto;
        z-index: 40;
    }

    .sidebar.hidden-mobile {
        display: none;
    }

    .btn-back-mobile {
        display: inline-flex;
    }

    .chat-header {
        margin: 0;
        padding: 14px;
    }

    .workspace-topbar {
        padding: 10px 10px 0;
    }

    .workspace-body {
        padding: 10px;
    }

    .chat-header-main {
        align-items: flex-start;
    }

    .chat-header-actions {
        width: 100%;
        justify-content: space-between;
    }

    .chat-tags-bar {
        width: 100%;
        justify-content: flex-start;
    }

    .messages-container {
        padding: 0 12px;
    }

    .message-bubble,
    .message-skeleton {
        max-width: 88%;
        width: auto;
    }

    .composer-hint-row {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 2px 10px;
    }

    .chat-input-row {
        padding: 10px;
    }

    .contact-panel {
        position: absolute;
        inset: 10px;
        width: auto;
        z-index: 60;
    }

    .modal-content {
        width: calc(100vw - 20px);
        max-width: none;
    }
}

@media (max-width: 640px) {
    .login-wrapper {
        padding: 16px;
    }

    .app-container {
        padding: 8px;
        gap: 8px;
    }

    .workspace-body {
        padding: 8px;
        gap: 8px;
    }

    .login-card {
        padding: 32px 24px 28px;
        border-radius: 24px;
    }

    .sidebar-header,
    .sidebar-search-panel,
    .conversation-list-header,
    .panel-header,
    .panel-body {
        padding-left: 14px;
        padding-right: 14px;
    }

    .sidebar-profile-card {
        margin-left: 14px;
        margin-right: 14px;
    }

    .theme-switcher-copy {
        min-width: 0;
    }

    .theme-switcher-copy::after {
        right: 22px;
        bottom: 24px;
    }

    .filter-tab span,
    .conversation-list-caption,
    .composer-hint-muted {
        display: none;
    }

    .chat-header-actions {
        gap: 6px;
    }

    .chat-status-badge {
        flex: 1;
    }

    .chat-status-badge select {
        min-width: 0;
        width: 100%;
    }

    .toast-container {
        left: 12px;
        right: 12px;
        top: 12px;
    }

    .toast {
        min-width: 0;
        max-width: none;
    }

    .pwa-install-banner {
        left: max(10px, calc(var(--safe-left) + 10px));
        right: max(10px, calc(var(--safe-right) + 10px));
        bottom: max(10px, calc(var(--safe-bottom) + 10px));
        padding: 14px;
        border-radius: 18px;
        flex-direction: column;
        align-items: stretch;
    }

    .pwa-install-banner .btn {
        width: 100%;
        min-width: 0;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }
}

@media print {
    .sidebar,
    .chat-input-area,
    .chat-header-actions,
    .contact-panel {
        display: none !important;
    }

    .messages-container {
        padding: 0;
    }

    .message-bubble {
        max-width: 100%;
        box-shadow: none;
    }
}