:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.82);
    --bg-glass: rgba(255, 255, 255, 0.04);
    --bg-input: rgba(15, 23, 42, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #38bdf8;
    --accent-primary-hover: #0ea5e9;
    --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #6366f1 100%);
    --accent-glow: rgba(56, 189, 248, 0.25);
    
    --color-positive: #10b981;
    --color-positive-bg: rgba(16, 185, 129, 0.12);
    --color-positive-border: rgba(16, 185, 129, 0.3);
    
    --color-neutral: #f59e0b;
    --color-neutral-bg: rgba(245, 158, 11, 0.12);
    --color-neutral-border: rgba(245, 158, 11, 0.3);
    
    --color-negative: #ef4444;
    --color-negative-bg: rgba(239, 68, 68, 0.12);
    --color-negative-border: rgba(239, 68, 68, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.35);
    --shadow-lg: 0 16px 36px rgba(0,0,0,0.45);
    --shadow-glow: 0 0 24px var(--accent-glow);
    
    --transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.95);
    --bg-glass: rgba(0, 0, 0, 0.03);
    --bg-input: #f8fafc;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 16px 32px rgba(0,0,0,0.08);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.5;
}

/* Ambient gradient background */
.ambient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    background: 
        radial-gradient(circle at 12% 15%, rgba(56, 189, 248, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 88% 85%, rgba(99, 102, 241, 0.07) 0%, transparent 45%),
        radial-gradient(circle at 50% 50%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
}

.portal-wrapper {
    position: relative;
    z-index: 1;
    max-width: 1380px;
    margin: 0 auto;
    padding: 20px 24px;
}

/* Top Navbar */
.portal-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 22px;
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
    gap: 16px;
    flex-wrap: wrap;
}

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

.brand-logo {
    width: 38px;
    height: 38px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.1rem;
    box-shadow: var(--shadow-glow);
}

.brand-text h1 {
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.profile-selector {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 7px 12px;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: var(--transition);
}

.profile-selector:focus {
    border-color: var(--accent-primary);
}

.badge-cache {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.76rem;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 500;
}

.badge-cache .dot {
    width: 7px;
    height: 7px;
    background-color: var(--color-positive);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--color-positive);
}

.btn-action-nav {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-action-nav:hover {
    border-color: var(--accent-primary);
    background: rgba(56, 189, 248, 0.08);
    color: var(--accent-primary);
}

.btn-icon {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Multi-Channel Profile Switcher Bar */
.profile-switcher-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
    flex-wrap: wrap;
    backdrop-filter: blur(12px);
}

.profile-switcher-label {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.profile-switcher-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.profile-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
}

.profile-tab-btn i.fa-instagram { color: #e1306c; }
.profile-tab-btn i.fa-facebook { color: #1877f2; }
.profile-tab-btn i.fa-linkedin { color: #0a66c2; }
.profile-tab-btn i.fa-tiktok { color: #00f2fe; }

.profile-tab-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.profile-tab-btn.active {
    background: rgba(56, 189, 248, 0.12);
    border-color: var(--accent-primary);
    color: var(--text-primary);
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

.profile-tab-badge {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
}

.profile-tab-btn.active .profile-tab-badge {
    background: rgba(56, 189, 248, 0.25);
    color: var(--accent-primary);
}

/* Hero / Profile Header Card */
.profile-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 24px 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.profile-main {
    display: flex;
    align-items: center;
    gap: 20px;
}

.profile-avatar {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.profile-avatar-placeholder {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: linear-gradient(135deg, #334155, #1e293b);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.profile-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 2px;
}

.profile-info h2 {
    font-size: 1.4rem;
    font-weight: 800;
    line-height: 1.2;
}

.platform-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-primary);
    border: 1px solid rgba(56, 189, 248, 0.25);
    text-transform: uppercase;
}

.profile-tag {
    font-size: 0.9rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 4px;
    display: inline-block;
}

.profile-bio {
    font-size: 0.85rem;
    color: var(--text-secondary);
    max-width: 580px;
    line-height: 1.4;
}

.profile-stats-pill {
    display: flex;
    gap: 20px;
    background: var(--bg-secondary);
    padding: 12px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

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

.stat-item .val {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-item .lbl {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

/* KPI Cards Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.kpi-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--border-color);
    transition: var(--transition);
}

.kpi-card-blue::before { background: linear-gradient(90deg, #38bdf8, #0284c7); }
.kpi-card-pink::before { background: linear-gradient(90deg, #ec4899, #db2777); }
.kpi-card-indigo::before { background: linear-gradient(90deg, #6366f1, #4f46e5); }
.kpi-card-amber::before { background: linear-gradient(90deg, #f59e0b, #d97706); }

.kpi-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.kpi-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 10px;
}

.kpi-card-blue .kpi-head i { color: #38bdf8; font-size: 1.1rem; }
.kpi-card-pink .kpi-head i { color: #ec4899; font-size: 1.1rem; }
.kpi-card-indigo .kpi-head i { color: #6366f1; font-size: 1.1rem; }
.kpi-card-amber .kpi-head i { color: #f59e0b; font-size: 1.1rem; }

.kpi-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
    margin-bottom: 6px;
}

.kpi-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Dashboard Sections Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

.section-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

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

.section-head h3 {
    font-size: 1.05rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-subtext {
    font-size: 0.76rem;
    color: var(--text-muted);
    display: block;
    margin-top: 3px;
}

.section-subtext-right {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Sentiment Breakdown UI */
.sentiment-score-badge-box {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.score-number {
    font-weight: 800;
    font-size: 1.3rem;
    line-height: 1.1;
}

.score-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.sentiment-bar-container {
    display: flex;
    height: 14px;
    border-radius: 999px;
    overflow: hidden;
    margin: 14px 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.sentiment-bar-pos { background: var(--color-positive); transition: width 0.8s ease; }
.sentiment-bar-neu { background: var(--color-neutral); transition: width 0.8s ease; }
.sentiment-bar-neg { background: var(--color-negative); transition: width 0.8s ease; }

.sentiment-legend {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    margin-top: 14px;
}

.legend-box {
    flex: 1;
    padding: 10px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    text-align: center;
}

.legend-box.pos { border-left: 3px solid var(--color-positive); }
.legend-box.neu { border-left: 3px solid var(--color-neutral); }
.legend-box.neg { border-left: 3px solid var(--color-negative); }

.legend-box .score-val {
    font-size: 1.2rem;
    font-weight: 800;
}

.legend-box.pos .score-val { color: var(--color-positive); }
.legend-box.neu .score-val { color: var(--color-neutral); }
.legend-box.neg .score-val { color: var(--color-negative); }

.legend-box .score-lbl {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 2px;
}

/* Comparison Row (Community vs Editorial) */
.compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 16px;
}

.compare-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 14px;
}

.compare-box-community { border-left: 3px solid var(--accent-primary); }
.compare-box-editorial { border-left: 3px solid #8b5cf6; }

.compare-box-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.compare-box h4 {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 700;
}

.compare-pill {
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
}

.compare-score {
    font-size: 1.35rem;
    font-weight: 800;
    line-height: 1.2;
}

.compare-desc {
    color: var(--text-muted);
    font-size: 0.72rem;
    display: block;
    margin-top: 4px;
}

/* Emotions List */
.emotions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 4px;
}

.emotion-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.emotion-item-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    font-weight: 600;
}

.emotion-bar-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 999px;
    overflow: hidden;
}

.emotion-bar-fill {
    height: 100%;
    border-radius: 999px;
    transition: width 0.8s ease;
}

.emotion-desc {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* Hashtags & Mentions Clouds */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-pill {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
    transition: var(--transition);
}

.tag-pill:hover {
    border-color: var(--accent-primary);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.tag-pill .count {
    color: var(--accent-primary);
    margin-left: 4px;
    font-weight: 700;
}

/* Posts Feed Section & Toolbar */
.posts-section {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 24px;
    margin-bottom: 20px;
}

.posts-section-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 16px;
}

.posts-section-head h3 {
    font-size: 1.1rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
}

.posts-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

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

.search-input-box i {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.search-input-box input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 7px 12px 7px 32px;
    border-radius: var(--radius-md);
    font-size: 0.84rem;
    outline: none;
    width: 220px;
    transition: var(--transition);
}

.search-input-box input:focus {
    border-color: var(--accent-primary);
    width: 260px;
}

.filter-pills-group {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.btn-filter-pill {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-filter-pill:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.btn-filter-pill.active {
    background: rgba(56, 189, 248, 0.15);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 18px;
}

.post-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.post-card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.post-sentiment-badge {
    padding: 3px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-pos { background: var(--color-positive-bg); color: var(--color-positive); border: 1px solid var(--color-positive-border); }
.badge-neu { background: var(--color-neutral-bg); color: var(--color-neutral); border: 1px solid var(--color-neutral-border); }
.badge-neg { background: var(--color-negative-bg); color: var(--color-negative); border: 1px solid var(--color-negative-border); }

.post-body {
    padding: 16px;
    flex: 1;
}

.post-caption {
    font-size: 0.86rem;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
    line-height: 1.45;
}

.comments-box {
    margin-top: 10px;
    padding: 10px 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    border: 1px solid var(--border-color);
}

.comments-box-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.comment-row {
    background: var(--bg-card);
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.05);
    font-size: 0.76rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    margin-bottom: 5px;
}

.comment-text {
    color: var(--text-primary);
    font-style: italic;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.post-metrics {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    background: rgba(0, 0, 0, 0.15);
}

.post-metrics span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.post-metrics a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: var(--transition);
}

.post-metrics a:hover {
    color: var(--text-primary);
}

/* Login Modal / Overlay */
.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(10, 14, 23, 0.88);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-xl);
    padding: 36px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.auth-logo-badge {
    width: 48px;
    height: 48px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 16px;
    font-size: 1.3rem;
    box-shadow: var(--shadow-glow);
}

.auth-card h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.auth-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.4;
}

.input-group {
    text-align: left;
    margin-bottom: 16px;
}

.input-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.input-group input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition);
}

.input-group input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
    width: 100%;
    padding: 12px 18px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-glow);
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.auth-error {
    background: var(--color-negative-bg);
    color: var(--color-negative);
    border: 1px solid var(--color-negative-border);
    padding: 10px;
    border-radius: var(--radius-md);
    font-size: 0.82rem;
    margin-bottom: 16px;
    display: none;
}

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

/* Portal Footer */
.portal-footer {
    text-align: center;
    padding: 24px 0 10px;
    font-size: 0.78rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: 30px;
}

/* ==========================================================================
   MOBILE-FIRST ADVANCED RESPONSIVE SYSTEM (Phones, Phablets, Tablets, Desktops)
   ========================================================================== */

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    button, 
    .btn-action-nav, 
    .btn-icon, 
    .filter-btn, 
    .hashtag-pill, 
    .mention-pill, 
    .profile-tab {
        min-height: 40px;
        touch-action: manipulation;
    }
}

/* Tablets and Mobile (< 1024px) */
@media (max-width: 1024px) {
    .portal-wrapper {
        padding: 16px;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 14px;
    }
}

/* Smartphones & Small Tablets (< 768px) */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .portal-wrapper {
        padding: 10px 12px;
        padding-bottom: max(24px, env(safe-area-inset-bottom));
    }

    /* Navbar Mobile Layout */
    .portal-nav {
        padding: 12px 14px;
        border-radius: var(--radius-md);
        margin-bottom: 14px;
        gap: 10px;
    }

    .brand-area {
        gap: 10px;
    }

    .brand-logo {
        width: 34px;
        height: 34px;
        font-size: 0.95rem;
    }

    .brand-text h1 {
        font-size: 1.05rem;
    }

    .brand-text span {
        font-size: 0.7rem;
    }

    .nav-actions {
        width: 100%;
        justify-content: space-between;
        align-items: center;
        gap: 8px;
        border-top: 1px solid var(--border-color);
        padding-top: 10px;
        margin-top: 2px;
    }

    .badge-cache {
        font-size: 0.7rem;
        padding: 4px 8px;
    }

    .btn-action-nav {
        padding: 6px 10px;
        font-size: 0.74rem;
        flex: 1;
        justify-content: center;
    }

    .btn-icon {
        width: 34px;
        height: 34px;
        font-size: 0.85rem;
    }

    /* Hero / Profile Card Mobile */
    .profile-card {
        padding: 16px;
        border-radius: var(--radius-lg);
        margin-bottom: 14px;
    }

    .profile-main {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 12px;
    }

    .profile-avatar,
    .profile-avatar-placeholder {
        width: 68px;
        height: 68px;
        font-size: 1.3rem;
    }

    .profile-title-row {
        justify-content: center;
        flex-wrap: wrap;
        gap: 6px;
    }

    .profile-title-row h2 {
        font-size: 1.25rem;
    }

    .profile-bio {
        font-size: 0.82rem;
        max-width: 100%;
        margin-top: 6px;
    }

    /* Stats Pill Mobile: 3 Compact Columns */
    .profile-stats-pill {
        width: 100%;
        margin-top: 14px;
        padding: 10px;
        border-radius: var(--radius-md);
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 4px;
    }

    .stat-item {
        padding: 0 4px;
    }

    .stat-item .val {
        font-size: 1.15rem;
    }

    .stat-item .lbl {
        font-size: 0.68rem;
    }

    /* KPI 2x2 Grid on Mobile */
    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 14px;
    }

    .kpi-card {
        padding: 12px 14px;
        border-radius: var(--radius-md);
    }

    .kpi-head span {
        font-size: 0.72rem;
    }

    .kpi-head i {
        font-size: 0.85rem;
    }

    .kpi-value {
        font-size: 1.45rem;
        margin: 6px 0;
    }

    .kpi-sub {
        font-size: 0.66rem;
    }

    /* Section Cards & Sentiment */
    .section-card {
        padding: 16px;
        border-radius: var(--radius-lg);
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 14px;
    }

    .section-head h3 {
        font-size: 0.95rem;
    }

    .section-subtext {
        font-size: 0.72rem;
    }

    .sentiment-score-badge-box {
        align-self: flex-start;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .score-number {
        font-size: 1.25rem;
    }

    .sentiment-legend {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
        margin-top: 12px;
    }

    .legend-box {
        padding: 8px 6px;
        border-radius: var(--radius-sm);
        text-align: center;
    }

    .legend-box .score-val {
        font-size: 0.95rem;
    }

    .legend-box .score-lbl {
        font-size: 0.64rem;
    }

    .compare-row {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 14px;
    }

    .compare-box {
        padding: 12px;
    }

    .compare-score {
        font-size: 1.2rem;
    }

    /* Posts Toolbar & Filter Horizontal Swipe */
    .posts-section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .posts-toolbar {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .search-input-box {
        width: 100%;
    }

    .search-input-box input {
        width: 100% !important;
        font-size: 0.82rem;
        padding: 9px 12px 9px 34px;
    }

    .filter-pills-group {
        display: flex;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding-bottom: 4px;
        width: 100%;
        gap: 6px;
    }

    .filter-pills-group::-webkit-scrollbar {
        display: none;
    }

    .btn-filter-pill {
        padding: 6px 12px;
        font-size: 0.74rem;
        flex-shrink: 0;
        border-radius: 20px;
    }

    /* Posts Cards Grid Mobile */
    .posts-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .post-card {
        border-radius: var(--radius-md);
    }

    .post-body {
        padding: 14px;
    }

    .post-caption {
        font-size: 0.82rem;
        -webkit-line-clamp: 3;
    }

    .comment-row {
        font-size: 0.72rem;
        padding: 5px 8px;
    }

    /* Auth Card Mobile */
    .auth-overlay {
        padding: 14px;
    }

    .auth-card {
        padding: 24px 18px;
        border-radius: var(--radius-lg);
    }

    .auth-card h2 {
        font-size: 1.25rem;
    }

    .auth-card p {
        font-size: 0.8rem;
        margin-bottom: 18px;
    }

    .input-group input {
        padding: 10px 12px;
        font-size: 0.88rem;
    }

    .btn-primary {
        padding: 11px 16px;
        font-size: 0.88rem;
    }
}

/* Extra Small Phones (< 380px, e.g. iPhone SE) */
@media (max-width: 380px) {
    .portal-wrapper {
        padding: 6px 8px;
    }

    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .sentiment-legend {
        grid-template-columns: 1fr;
    }

    .brand-text h1 {
        font-size: 0.95rem;
    }
}

/* ==========================================================================
   PRINT / PDF EXPORT STYLESHEET
   Clean, high-contrast, multi-page white-label client presentation
   ========================================================================== */
@media print {
    body {
        background: #ffffff !important;
        color: #0f172a !important;
    }

    .ambient-bg,
    .nav-actions,
    .profile-switcher-bar,
    .posts-toolbar,
    .auth-overlay,
    .btn-icon,
    .btn-action-nav,
    .profile-selector {
        display: none !important;
    }

    .portal-wrapper {
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .portal-nav,
    .profile-card,
    .kpi-card,
    .section-card,
    .posts-section,
    .post-card {
        background: #ffffff !important;
        border: 1px solid #e2e8f0 !important;
        box-shadow: none !important;
        backdrop-filter: none !important;
        break-inside: avoid;
    }

    .kpi-grid,
    .dashboard-grid {
        gap: 12px !important;
    }

    .posts-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    .score-val,
    .kpi-value,
    .compare-score {
        color: #0f172a !important;
    }

    .profile-card {
        border-radius: 8px !important;
    }
}