/* ============================================
   SocialAI — Modern CSS (No build tools needed)
   ============================================ */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-bg: rgba(99,102,241,0.08);
    --secondary: #0ea5e9;
    --accent: #f59e0b;
    --success: #10b981;
    --success-bg: rgba(16,185,129,0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239,68,68,0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245,158,11,0.1);

    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --sidebar-bg: #1e293b;
    --sidebar-w: 260px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
    --transition: 0.2s ease;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--gray-50);
    color: var(--gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ---- Layout ---- */
.app-layout { display: flex; min-height: 100vh; }

/* ---- Sidebar ---- */
.sidebar {
    position: fixed; left: 0; top: 0;
    width: var(--sidebar-w); height: 100vh;
    background: var(--sidebar-bg);
    color: #fff;
    display: flex; flex-direction: column;
    z-index: 100;
    transition: transform var(--transition);
}
.sidebar-brand {
    display: flex; align-items: center; gap: 10px;
    padding: 24px 24px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-size: 20px; font-weight: 700;
}
.sidebar-logo { width: 32px; height: 32px; color: var(--primary-light); }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 24px;
    color: var(--gray-400);
    font-size: 14px; font-weight: 500;
    transition: all var(--transition);
    border-right: 3px solid transparent;
}
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.nav-item:hover { color: #fff; background: rgba(255,255,255,0.05); }
.nav-item.active {
    color: var(--primary-light);
    background: rgba(99,102,241,0.15);
    border-right-color: var(--primary-light);
}
.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 16px;
}
.user-info { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.user-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; color: #fff;
}
.user-details { display: flex; flex-direction: column; }
.user-name { font-size: 13px; font-weight: 600; color: #fff; }
.user-plan { font-size: 11px; color: var(--gray-400); }
.logout-btn { padding: 8px 12px !important; border-radius: var(--radius-sm); }
.logout-btn:hover { color: var(--danger) !important; background: rgba(239,68,68,0.1) !important; }

/* ---- Main Content ---- */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1; padding: 32px;
    min-height: 100vh;
}

/* ---- Mobile ---- */
.mobile-menu-btn {
    display: none; position: fixed; top: 16px; left: 16px;
    z-index: 200; background: #fff; border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm); padding: 8px;
    cursor: pointer; box-shadow: var(--shadow);
}
.mobile-menu-btn svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 24px 16px; padding-top: 64px; }
    .mobile-menu-btn { display: block; }
}

/* ---- Page Header ---- */
.page-header { margin-bottom: 28px; }
.page-header h1 { font-size: 24px; font-weight: 700; color: var(--gray-900); }
.page-header p { font-size: 14px; color: var(--gray-500); margin-top: 4px; }
.page-header-actions { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* ---- Cards ---- */
.card {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    box-shadow: var(--shadow);
}
.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--gray-100);
    display: flex; align-items: center; justify-content: space-between;
}
.card-header h2 { font-size: 16px; font-weight: 600; }
.card-body { padding: 24px; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); }

/* ---- Stat Cards ---- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
    background: #fff; border-radius: var(--radius);
    border: 1px solid var(--gray-100);
    padding: 20px; box-shadow: var(--shadow);
    transition: all var(--transition);
    text-decoration: none; color: inherit;
    display: block;
}
.stat-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.stat-icon {
    width: 48px; height: 48px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.stat-icon svg { width: 24px; height: 24px; color: #fff; }
.stat-icon.purple { background: var(--primary); }
.stat-icon.blue { background: var(--secondary); }
.stat-icon.green { background: var(--success); }
.stat-icon.orange { background: var(--accent); }
.stat-icon.red { background: var(--danger); }
.stat-value { font-size: 28px; font-weight: 700; color: var(--gray-900); }
.stat-label { font-size: 13px; color: var(--gray-500); margin-top: 2px; }

/* ---- Buttons ---- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 500;
    border: none; cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}
.btn svg { width: 16px; height: 16px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-secondary { background: var(--secondary); color: #fff; }
.btn-secondary:hover { background: #0284c7; color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; color: #fff; }
.btn-outline {
    background: #fff; color: var(--gray-700);
    border: 1px solid var(--gray-300);
}
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-ghost { background: transparent; color: var(--gray-500); }
.btn-ghost:hover { background: var(--gray-100); color: var(--gray-700); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 12px 28px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---- Forms ---- */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-size: 13px; font-weight: 500; color: var(--gray-700); margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
    width: 100%; padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 14px; color: var(--gray-900);
    background: #fff;
    transition: all var(--transition);
    outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-textarea { resize: vertical; min-height: 100px; }
.form-input-icon {
    position: relative;
}
.form-input-icon svg {
    position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
    width: 18px; height: 18px; color: var(--gray-400);
}
.form-input-icon .form-input { padding-left: 42px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-check {
    display: flex; align-items: center; gap: 8px;
}
.form-check input[type="checkbox"] {
    width: 18px; height: 18px; accent-color: var(--primary);
}

/* ---- Grid ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }

/* ---- Alerts ---- */
.alert {
    padding: 14px 20px; border-radius: var(--radius-sm);
    font-size: 14px; margin-bottom: 20px;
    display: flex; align-items: center; justify-content: space-between;
    animation: slideDown 0.3s ease;
}
.alert-success { background: var(--success-bg); color: #065f46; border: 1px solid rgba(16,185,129,0.2); }
.alert-error { background: var(--danger-bg); color: #991b1b; border: 1px solid rgba(239,68,68,0.2); }
.alert-warning { background: var(--warning-bg); color: #92400e; border: 1px solid rgba(245,158,11,0.2); }
.alert-info { background: rgba(14,165,233,0.1); color: #075985; border: 1px solid rgba(14,165,233,0.2); }
.alert-close { background: none; border: none; font-size: 20px; cursor: pointer; color: inherit; opacity: 0.6; }
.alert-close:hover { opacity: 1; }

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

/* ---- Badges ---- */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 20px;
    font-size: 12px; font-weight: 500;
}
.badge-primary { background: var(--primary-bg); color: var(--primary); }
.badge-success { background: var(--success-bg); color: #065f46; }
.badge-danger { background: var(--danger-bg); color: #991b1b; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-blue { background: rgba(14,165,233,0.1); color: #075985; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }
.badge-purple { background: rgba(139,92,246,0.1); color: #6d28d9; }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.5px; padding: 12px 16px; border-bottom: 1px solid var(--gray-200); }
td { padding: 14px 16px; border-bottom: 1px solid var(--gray-100); font-size: 14px; }
tr:hover td { background: var(--gray-50); }

/* ---- Status Dot ---- */
.status-dot {
    width: 8px; height: 8px; border-radius: 50%; display: inline-block;
}
.status-dot.active { background: var(--success); animation: pulse 2s infinite; }
.status-dot.inactive { background: var(--gray-300); }
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ---- Platform Tags ---- */
.platform-tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: 6px;
    font-size: 12px; font-weight: 500;
    background: var(--gray-100); color: var(--gray-600);
}
.platform-tag.selected { background: var(--primary-bg); color: var(--primary); border: 1px solid var(--primary); }

/* ---- Quick Action Cards ---- */
.quick-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-top: 28px; }
.quick-action {
    display: block; padding: 24px; border-radius: var(--radius);
    color: #fff; text-decoration: none;
    transition: all var(--transition);
}
.quick-action:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); color: #fff; }
.quick-action svg { width: 32px; height: 32px; margin-bottom: 12px; }
.quick-action h3 { font-size: 16px; font-weight: 600; }
.quick-action p { font-size: 13px; opacity: 0.8; margin-top: 4px; }
.qa-purple { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); }
.qa-green { background: linear-gradient(135deg, var(--success), #059669); }
.qa-blue { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }

/* ---- Empty State ---- */
.empty-state {
    text-align: center; padding: 48px 24px;
}
.empty-state svg { width: 64px; height: 64px; color: var(--gray-300); margin: 0 auto 16px; }
.empty-state h3 { font-size: 18px; font-weight: 600; color: var(--gray-900); margin-bottom: 8px; }
.empty-state p { font-size: 14px; color: var(--gray-500); margin-bottom: 20px; }

/* ---- List Items ---- */
.list-item {
    display: flex; align-items: center; gap: 16px;
    padding: 14px 16px; border-bottom: 1px solid var(--gray-100);
    transition: background var(--transition);
}
.list-item:hover { background: var(--gray-50); }
.list-item:last-child { border-bottom: none; }

/* ---- Worker Card ---- */
.worker-card { margin-bottom: 16px; }
.worker-card .card-body { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.worker-info { display: flex; align-items: center; gap: 16px; }
.worker-icon { font-size: 32px; }
.worker-meta { display: flex; align-items: center; gap: 20px; margin-top: 8px; font-size: 13px; color: var(--gray-500); }
.worker-meta svg { width: 16px; height: 16px; }
.worker-actions { display: flex; gap: 8px; }
.worker-logs { padding: 20px 24px; background: var(--gray-50); border-top: 1px solid var(--gray-100); }
.log-entry { display: flex; align-items: center; gap: 12px; padding: 8px 0; font-size: 13px; }
.log-entry svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ---- Calendar ---- */
.calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); }
.calendar-header { padding: 12px; text-align: center; font-size: 13px; font-weight: 600; color: var(--gray-500); border-bottom: 1px solid var(--gray-100); }
.calendar-day {
    min-height: 100px; padding: 8px;
    border-bottom: 1px solid var(--gray-100);
    border-right: 1px solid var(--gray-100);
}
.calendar-day.today { background: var(--primary-bg); }
.calendar-day.empty { background: var(--gray-50); }
.calendar-day-num { font-size: 13px; font-weight: 500; color: var(--gray-500); margin-bottom: 4px; }
.calendar-day-num.today-num {
    background: var(--primary); color: #fff;
    width: 28px; height: 28px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.calendar-event {
    font-size: 11px; padding: 3px 6px; border-radius: 4px;
    margin-bottom: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.calendar-event.draft { background: var(--gray-100); color: var(--gray-600); }
.calendar-event.scheduled { background: rgba(14,165,233,0.1); color: #075985; }
.calendar-event.published { background: var(--success-bg); color: #065f46; }
.calendar-event.failed { background: var(--danger-bg); color: #991b1b; }
.calendar-nav { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--gray-100); }
.calendar-nav h2 { font-size: 18px; font-weight: 600; }
.calendar-nav button { background: none; border: none; cursor: pointer; padding: 8px; border-radius: var(--radius-sm); }
.calendar-nav button:hover { background: var(--gray-100); }
.calendar-nav button svg { width: 20px; height: 20px; }

/* ---- Social Account Cards ---- */
.social-card {
    padding: 20px; border-radius: var(--radius);
    border: 2px solid var(--gray-200);
    transition: all var(--transition);
    cursor: pointer;
}
.social-card:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.social-card.connected { border-color: rgba(16,185,129,0.3); background: rgba(16,185,129,0.03); }
.social-card-icon {
    width: 44px; height: 44px; border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 20px; margin-bottom: 12px;
}
.social-card-icon.facebook { background: #1877f2; }
.social-card-icon.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.social-card-icon.twitter { background: #1da1f2; }
.social-card-icon.linkedin { background: #0a66c2; }
.social-card-icon.telegram { background: #0088cc; }
.social-card-icon.youtube { background: #ff0000; }
.social-card-icon.tiktok { background: #010101; }
.social-card-icon.pinterest { background: #e60023; }

/* ---- Keyword Tags ---- */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 5px 12px; border-radius: 20px;
    font-size: 13px; background: var(--primary-bg); color: var(--primary);
}
.tag-remove {
    background: none; border: none; cursor: pointer;
    color: var(--primary); font-size: 16px; line-height: 1;
    opacity: 0.6;
}
.tag-remove:hover { opacity: 1; }

/* ---- Media Grid ---- */
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }
.media-item {
    border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--gray-100); box-shadow: var(--shadow);
    transition: all var(--transition);
}
.media-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.media-thumb {
    aspect-ratio: 1; background: var(--gray-100);
    display: flex; align-items: center; justify-content: center;
    position: relative; overflow: hidden;
}
.media-thumb img { width: 100%; height: 100%; object-fit: cover; }
.media-thumb svg { width: 48px; height: 48px; color: var(--gray-300); }
.media-overlay {
    position: absolute; inset: 0;
    background: rgba(0,0,0,0.4); opacity: 0;
    display: flex; align-items: center; justify-content: center;
    transition: opacity var(--transition);
}
.media-item:hover .media-overlay { opacity: 1; }
.media-info { padding: 12px; }
.media-info p { font-size: 13px; color: var(--gray-700); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.media-info small { font-size: 11px; color: var(--gray-400); }

/* ---- Upload Zone ---- */
.upload-zone {
    border: 2px dashed var(--gray-300); border-radius: var(--radius);
    padding: 48px; text-align: center; cursor: pointer;
    transition: all var(--transition);
}
.upload-zone:hover { border-color: var(--primary); background: var(--primary-bg); }
.upload-zone svg { width: 48px; height: 48px; color: var(--gray-300); margin: 0 auto 16px; }

/* ---- Spinner ---- */
.spinner {
    width: 32px; height: 32px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Tabs ---- */
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.tab {
    padding: 8px 18px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 500;
    border: 2px solid var(--gray-200);
    background: #fff; color: var(--gray-500);
    cursor: pointer; transition: all var(--transition);
}
.tab:hover { border-color: var(--gray-300); color: var(--gray-700); }
.tab.active { border-color: var(--primary); background: var(--primary-bg); color: var(--primary); }

/* ---- Result Box ---- */
.result-box {
    background: var(--gray-50); border-radius: var(--radius-sm);
    padding: 20px; white-space: pre-wrap; font-size: 14px;
    color: var(--gray-700); max-height: 500px; overflow-y: auto;
    line-height: 1.7;
}

/* ---- Auth Pages ---- */
.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, rgba(99,102,241,0.2) 100%);
    display: flex; align-items: center; justify-content: center;
    padding: 24px;
}
.auth-card {
    width: 100%; max-width: 420px;
}
.auth-brand {
    text-align: center; margin-bottom: 32px;
}
.auth-brand svg { width: 48px; height: 48px; color: var(--primary-light); margin: 0 auto 12px; }
.auth-brand h1 { font-size: 28px; font-weight: 700; color: #fff; }
.auth-brand p { font-size: 14px; color: var(--gray-400); margin-top: 4px; }
.auth-form {
    background: #fff; border-radius: 16px;
    padding: 36px; box-shadow: var(--shadow-lg);
}
.auth-form h2 { font-size: 22px; font-weight: 700; margin-bottom: 24px; }
.auth-footer { text-align: center; margin-top: 24px; font-size: 14px; color: var(--gray-500); }
.auth-footer a { color: var(--primary); font-weight: 500; }

/* ---- Utility ---- */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: 13px; }
.text-xs { font-size: 11px; }
.text-muted { color: var(--gray-500); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.fw-600 { font-weight: 600; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }