/* ============================================
   TELEGRAM NOTIFICATIONS - Editorial Dark Theme
   ============================================ */

/* Design Tokens */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a24;
    --bg-elevated: #1e1e2a;

    --border: #2a2a3a;
    --border-subtle: #1f1f2e;

    --text-primary: #f5f5f7;
    --text-secondary: #8b8b9e;
    --text-tertiary: #5a5a6e;

    --accent: #6366f1;
    --accent-hover: #818cf8;
    --accent-subtle: rgba(99, 102, 241, 0.1);
    --accent-glow: rgba(99, 102, 241, 0.3);

    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #ef4444;
    --error-bg: rgba(239, 68, 68, 0.1);

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Spacing */
    --sidebar-width: 260px;
    --header-height: 72px;
    --content-padding: 32px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px var(--accent-glow);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, var(--border-subtle) 1px, transparent 0);
    background-size: 32px 32px;
    opacity: 0.5;
    pointer-events: none;
    z-index: -1;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Layout
   ============================================ */

.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-glow);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

/* Navigation */
.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-weight: 500;
    font-size: 0.9375rem;
}

.nav-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-subtle);
    color: var(--accent);
}

.nav-item.active .nav-icon {
    color: var(--accent);
}

.nav-icon {
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item:hover .nav-icon,
.nav-item.active .nav-icon {
    opacity: 1;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.user-avatar {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    flex-shrink: 0;
}

.user-name {
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logout-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.logout-btn:hover {
    background: var(--error-bg);
    color: var(--error);
}

/* Main Content */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--content-padding);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(12px);
}

.header-content {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    gap: 12px;
}

.content {
    flex: 1;
    padding: var(--content-padding);
}

/* ============================================
   Components
   ============================================ */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-elevated);
    border-color: var(--text-tertiary);
}

.btn-danger {
    background: var(--error-bg);
    color: var(--error);
}

.btn-danger:hover {
    background: var(--error);
    color: white;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
}

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

/* Tables */
.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th {
    text-align: left;
    padding: 14px 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
}

.table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.table tr:last-child td {
    border-bottom: none;
}

.table tr:hover td {
    background: var(--bg-tertiary);
}

.table-link {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.table-link:hover {
    color: var(--accent);
}

.table-meta {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Status Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 100px;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-error {
    background: var(--error-bg);
    color: var(--error);
}

.badge-neutral {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-body);
    line-height: 1.6;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-top: 6px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--border-radius-sm);
    margin-bottom: 20px;
    font-size: 0.875rem;
}

.alert-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-error {
    background: var(--error-bg);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    padding: 20px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-top: 6px;
}

/* Code/Mono */
.mono {
    font-family: var(--font-mono);
    font-size: 0.875em;
    color: var(--text-secondary);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    opacity: 0.4;
}

.empty-state-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state-text {
    font-size: 0.9375rem;
    max-width: 320px;
    margin: 0 auto;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 20px;
}

.pagination-item {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.pagination-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.pagination-item.active {
    background: var(--accent);
    color: white;
}

.pagination-item.disabled {
    opacity: 0.4;
    pointer-events: none;
}

/* Search */
.search-box {
    position: relative;
    max-width: 320px;
}

.search-input {
    width: 100%;
    padding: 10px 16px 10px 42px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-primary);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

/* ============================================
   Login Page
   ============================================ */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

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

.login-logo {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--accent), #a855f7);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-glow);
}

.login-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .btn-primary {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    margin-top: 8px;
}

.login-error {
    background: var(--error-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    color: var(--error);
    font-size: 0.875rem;
    margin-bottom: 20px;
}

/* ============================================
   Utilities
   ============================================ */

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.text-error { color: var(--error); }
.font-mono { font-family: var(--font-mono); }

/* ============================================
   Broadcasts-specific styles
   ============================================ */

/* Message Preview */
.message-preview {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    padding: 16px 20px;
    font-size: 0.9375rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Media Grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
}

.media-item {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.media-item img,
.media-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Recipient Checkboxes */
.recipient-checkboxes {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
}

.recipient-checkboxes .form-checkbox {
    padding: 8px 10px;
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
}

.recipient-checkboxes .form-checkbox:hover {
    background: var(--bg-tertiary);
}

/* Small Button Variant */
.btn-sm {
    padding: 6px 12px;
    font-size: 0.75rem;
}

/* Media List (for editing broadcasts) */
.media-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.media-list-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.media-list-item:hover {
    border-color: var(--text-tertiary);
}

.media-preview {
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

.media-preview img,
.media-preview video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.media-info .text-muted {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.875rem;
}

/* ============================================
   Animations
   ============================================ */

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

.animate-in {
    animation: fadeIn var(--transition-base) ease-out;
}

/* Staggered animation delays */
.delay-1 { animation-delay: 50ms; }
.delay-2 { animation-delay: 100ms; }
.delay-3 { animation-delay: 150ms; }
.delay-4 { animation-delay: 200ms; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0;
        --content-padding: 20px;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .main {
        margin-left: 0;
    }
}

/* ============================================
   Tags
   ============================================ */

/* Tag Chips */
.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--accent-subtle);
    color: var(--accent);
    border-radius: 100px;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
}

.tag-chip-link {
    text-decoration: none;
    cursor: pointer;
}

.tag-chip-link:hover {
    background: var(--accent);
    color: white;
}

.tag-chip-active {
    background: var(--accent);
    color: white;
}

.tag-chip-small {
    padding: 2px 8px;
    font-size: 0.6875rem;
}

.tag-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    font-size: 14px;
    line-height: 1;
    color: currentColor;
    opacity: 0.7;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.tag-remove:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2);
}

/* Tags Display */
.tags-display {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tags-display-compact {
    gap: 4px;
}

/* Tags Filter */
.tags-filter {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
}

.tags-filter-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-right: 4px;
}

/* Tags Input Container (for forms) */
.tags-input-container {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
    padding: 8px 12px;
    transition: all var(--transition-fast);
}

.tags-input-container:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-subtle);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 8px;
}

.tags-list:empty {
    margin-bottom: 0;
}

.tag-input {
    border: none !important;
    background: transparent !important;
    padding: 4px 0 !important;
    box-shadow: none !important;
    min-width: 120px;
    flex: 1;
}

.tag-input:focus {
    outline: none;
    box-shadow: none !important;
}

/* Tags Selection (for broadcast send form) */
.tags-selection {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
}

.tag-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.tag-checkbox input {
    display: none;
}

.tag-checkbox .tag-chip {
    cursor: pointer;
}

.tag-checkbox input:checked + .tag-chip {
    background: var(--accent);
    color: white;
}

/* ============================================
   Recipient List (Preview page)
   ============================================ */

.recipient-list {
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-sm);
}

.recipient-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    transition: background var(--transition-fast);
}

.recipient-list-item:hover {
    background: var(--bg-tertiary);
}

.recipient-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    min-width: 0;
}

.recipient-name {
    font-weight: 500;
    white-space: nowrap;
}