/* GhostTrace - CSS Styles */

:root {
    /* 2026 Cyber Gradient Colors - Electric Neons */
    --gradient-start: #8b5cf6;
    --gradient-mid: #ec4899;
    --gradient-end: #f59e0b;
    --gradient-cyber: #06b6d4;

    /* Enhanced Gradients */
    --instagram-gradient: linear-gradient(135deg, #8b5cf6 0%, #ec4899 50%, #f59e0b 100%);
    --cyber-gradient: linear-gradient(135deg, #0a0a0f 0%, #1a0b2e 50%, #0a0a0f 100%);
    --holographic-gradient: linear-gradient(135deg, #a855f7 0%, #ec4899 25%, #06b6d4 50%, #f59e0b 75%, #a855f7 100%);

    /* Neon Colors - High Intensity */
    --neon-purple: #a855f7;
    --neon-pink: #ec4899;
    --neon-cyan: #06b6d4;
    --neon-orange: #f59e0b;
    --neon-magenta: #d946ef;

    /* Glow Effects */
    --glow-purple: 0 0 20px rgba(168, 85, 247, 0.6), 0 0 40px rgba(168, 85, 247, 0.4);
    --glow-pink: 0 0 20px rgba(236, 72, 153, 0.6), 0 0 40px rgba(236, 72, 153, 0.4);
    --glow-cyan: 0 0 20px rgba(6, 182, 212, 0.6), 0 0 40px rgba(6, 182, 212, 0.4);
    --glow-multi: 0 0 20px rgba(168, 85, 247, 0.5), 0 0 40px rgba(236, 72, 153, 0.3), 0 0 60px rgba(6, 182, 212, 0.2);

    /* Light Theme */
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --bg-glass-border: rgba(255, 255, 255, 0.4);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border-color: rgba(0, 0, 0, 0.08);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-glow: rgba(139, 92, 246, 0.4);

    /* Accent Colors */
    --accent-primary: #8b5cf6;
    --accent-success: #10b981;
    --accent-danger: #ef4444;

    /* Hover/Interactive */
    --bg-hover: rgba(139, 92, 246, 0.08);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 50%;

    /* Transitions - Spring Physics for 2026 */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-elastic: 600ms cubic-bezier(0.68, -0.6, 0.32, 1.6);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="dark"] {
    /* Deep Blacks - 2026 Cyber Aesthetic */
    --bg-primary: #0a0a0f;
    --bg-secondary: #16161d;
    --bg-glass: rgba(22, 22, 29, 0.9);
    --bg-glass-border: rgba(255, 255, 255, 0.15);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-color: rgba(0, 0, 0, 0.7);
    --shadow-glow: rgba(139, 92, 246, 0.6);
    --bg-hover: rgba(139, 92, 246, 0.15);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: gradientShift 20s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(5%, 5%) rotate(5deg);
    }

    66% {
        transform: translate(-5%, 5%) rotate(-5deg);
    }
}

.app-container {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    background: var(--bg-glass);
    margin: calc(-1 * var(--spacing-md));
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    font-size: 1.75rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--instagram-gradient);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientFlow 8s ease infinite;
    transition: transform var(--transition-normal);
    cursor: default;
}

.logo:hover h1 {
    transform: scale(1.05);
    animation-duration: 3s;
}

@keyframes gradientFlow {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

.theme-toggle {
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    width: 44px;
    height: 44px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: transform var(--transition-bounce), box-shadow var(--transition-normal);
    position: relative;
}

.theme-toggle::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-full);
    background: var(--instagram-gradient);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
    filter: blur(8px);
}

.theme-toggle:hover {
    transform: scale(1.1);
}

.theme-toggle:hover::before {
    opacity: 0.6;
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-icon {
    animation: iconBounce 0.6s ease;
}

@keyframes iconBounce {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2) rotate(10deg);
    }
}

.glass-card {
    background: var(--bg-glass);
    backdrop-filter: blur(32px) saturate(200%);
    -webkit-backdrop-filter: blur(32px) saturate(200%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow:
        0 2px 8px rgba(0, 0, 0, 0.04),
        0 8px 24px var(--shadow-color),
        0 16px 48px rgba(0, 0, 0, 0.08),
        0 0 0 1px var(--bg-glass-border) inset,
        0 1px 0 0 rgba(255, 255, 255, 0.1) inset;
    position: relative;
    transition: transform var(--transition-spring), box-shadow var(--transition-normal), border-color var(--transition-normal);
    /* GPU Acceleration */
    will-change: transform;
    transform: translateZ(0);
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-lg);
    padding: 1px;
    background: linear-gradient(135deg,
            rgba(139, 92, 246, 0.2),
            rgba(236, 72, 153, 0.1),
            rgba(6, 182, 212, 0.05));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

/* Inner highlight for depth */
.glass-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
}

.glass-card:hover::before {
    opacity: 1;
}

.glass-card:hover::after {
    opacity: 0.5;
}

.glass-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow:
        0 4px 12px rgba(0, 0, 0, 0.06),
        0 12px 32px var(--shadow-color),
        0 24px 64px rgba(0, 0, 0, 0.12),
        0 0 0 1px var(--bg-glass-border) inset,
        0 1px 0 0 rgba(255, 255, 255, 0.2) inset,
        var(--glow-multi);
    border-color: rgba(139, 92, 246, 0.3);
}

.instructions-accordion {
    border-bottom: 1px solid var(--border-color);
}

.instructions-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    cursor: pointer;
    font-weight: 600;
    list-style: none;
}

.instructions-header::-webkit-details-marker {
    display: none;
}

.instructions-icon {
    font-size: 1.25rem;
}

.chevron {
    margin-left: auto;
    font-size: 0.75rem;
    transition: transform var(--transition-normal);
}

.instructions-accordion[open] .chevron {
    transform: rotate(180deg);
}

.instructions-content {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    animation: slideDown var(--transition-normal);
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.instruction-steps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.step {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    min-width: 28px;
    background: var(--instagram-gradient);
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.step-content>strong {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 1rem;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.5;
}

.step-content p strong {
    font-weight: 600;
    color: var(--text-primary);
}

.upload-area {
    padding: var(--spacing-lg);
}

.upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-2xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
}

.upload-dropzone::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    background: var(--instagram-gradient);
    opacity: 0;
    filter: blur(12px);
    transition: opacity var(--transition-normal);
}

.upload-dropzone:hover {
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.05);
    transform: scale(1.01);
}

.upload-dropzone:hover::before {
    opacity: 0.3;
}

.upload-dropzone.drag-over {
    border-color: var(--accent-primary);
    background: rgba(124, 58, 237, 0.1);
    transform: scale(1.02);
    border-style: solid;
}

.upload-dropzone.drag-over::before {
    opacity: 0.5;
}

.upload-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
    animation: iconBounce 2s ease-in-out infinite;
}

.upload-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.upload-subtitle {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.uploaded-files {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.file-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.file-icon {
    font-size: 1.25rem;
}

.file-name {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 500;
}

.file-status {
    font-size: 1rem;
}

.file-remove {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.5;
}

.file-remove:hover {
    opacity: 1;
}

.file-remove:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
    opacity: 1;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-spring);
    position: relative;
    overflow: hidden;
    /* GPU Acceleration */
    will-change: transform;
    transform: translateZ(0);
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--instagram-gradient);
    color: white;
    box-shadow:
        0 4px 15px rgba(139, 92, 246, 0.4),
        0 2px 8px rgba(139, 92, 246, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px) scale(1.03);
    box-shadow:
        0 8px 25px rgba(139, 92, 246, 0.5),
        0 4px 12px rgba(139, 92, 246, 0.3),
        var(--glow-purple),
        0 0 0 1px rgba(255, 255, 255, 0.2) inset;
}

/* Tactile press animation with spring physics */
.btn-primary:active:not(:disabled) {
    transform: translateY(0) scale(0.97);
    box-shadow:
        0 2px 8px rgba(139, 92, 246, 0.3),
        0 1px 4px rgba(139, 92, 246, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    transition: transform var(--transition-fast);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-analyze {
    width: 100%;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    font-size: 1.125rem;
}

.btn-demo {
    width: 100%;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 0.9375rem;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(6, 182, 212, 0.05));
    border: 1px solid var(--neon-cyan);
    color: var(--text-primary);
    transition: all var(--transition-spring);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.btn-demo::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--neon-cyan), rgba(6, 182, 212, 0.6));
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn-demo:hover {
    transform: translateY(-2px);
    border-color: var(--neon-cyan);
    box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3), var(--glow-cyan);
}

.btn-demo:hover::before {
    opacity: 0.15;
}

.btn-demo:active {
    transform: translateY(0) scale(0.98);
}

.results-section {
    margin-top: var(--spacing-xl);
    animation: fadeIn 0.4s ease;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 600px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-card {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
    transition: transform var(--transition-spring);
    cursor: default;
    will-change: transform;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.03);
}

.stat-card.highlight-card {
    background: var(--instagram-gradient);
    background-size: 200% 200%;
    color: white;
    /* Animations removed for cleaner appearance */
    position: relative;
    overflow: hidden;
}



.stat-card.highlight-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.25), transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card.highlight-card:hover::after {
    opacity: 1;
}

.stat-card.new-followers-card {
    border: 2px solid var(--neon-cyan);
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.05));
    position: relative;
}

.stat-card.new-followers-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--neon-cyan);
    border-radius: var(--radius-lg);
    opacity: 0;
    filter: blur(8px);
    transition: opacity var(--transition-normal);
    z-index: -1;
}

.stat-card.new-followers-card:hover::before {
    opacity: 0.4;
}

.stat-icon {
    font-size: 1.5rem;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    transition: transform var(--transition-elastic);
    will-change: transform;
    animation: numberEntrance 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Kinetic number entrance */
@keyframes numberEntrance {
    from {
        opacity: 0;
        transform: scale(0.5) translateY(20px);
    }

    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.stat-card:hover .stat-value {
    transform: scale(1.15);
}

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.8;
}

.tabs-container {
    overflow: hidden;
}

.tabs-header {
    display: flex;
    overflow-x: auto;
    border-bottom: 1px solid var(--border-color);
}

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

.tab-btn {
    flex: 1;
    min-width: max-content;
    padding: var(--spacing-md) var(--spacing-lg);
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--instagram-gradient);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--text-primary);
}

.tab-btn.active::after {
    transform: scaleX(1);
}

.tab-icon {
    font-size: 1rem;
}

.search-container {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.search-icon {
    font-size: 1rem;
    opacity: 0.5;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-secondary);
}

.tab-content {
    max-height: 400px;
    overflow-y: auto;
}

.user-list {
    display: flex;
    flex-direction: column;
}

.user-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-spring);
    position: relative;
    /* Staggered entrance animation */
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) backwards;
    will-change: transform, opacity;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--instagram-gradient);
    transform: scaleY(0);
    transition: transform var(--transition-normal);
}

.user-item:last-child {
    border-bottom: none;
}

.user-item:hover {
    background: rgba(124, 58, 237, 0.05);
    transform: translateX(4px);
}

.user-item:hover::before {
    transform: scaleY(1);
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    background: var(--instagram-gradient);
    background-size: 200% 200%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
    transition: transform var(--transition-elastic), box-shadow var(--transition-normal);
    animation: gradientShift 8s ease infinite;
    position: relative;
    will-change: transform;
}

/* Gradient border effect */
.user-avatar::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-full);
    background: var(--holographic-gradient);
    background-size: 200% 200%;
    opacity: 0;
    filter: blur(6px);
    transition: opacity var(--transition-normal);
    z-index: -1;
    animation: gradientShift 6s ease infinite reverse;
}

.user-item:hover .user-avatar {
    transform: scale(1.12) rotate(8deg);
    box-shadow: var(--glow-purple);
}

.user-item:hover .user-avatar::before {
    opacity: 0.8;
}

.user-info {
    flex: 1;
}

.user-name {
    font-weight: 600;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.user-item:hover .user-name {
    color: var(--accent-primary);
}

.user-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.user-action {
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.user-action::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--instagram-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.user-action:hover {
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-glow);
}

.user-action:hover::before {
    opacity: 1;
}

/* Ensure button text stays visible above the ::before gradient overlay */
.user-action {
    isolation: isolate;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-2xl);
    text-align: center;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

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

.history-section {
    margin-top: var(--spacing-xl);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.125rem;
    font-weight: 600;
    padding: var(--spacing-lg);
    padding-bottom: 0;
}

.section-icon {
    font-size: 1.25rem;
}

.history-list {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.history-empty {
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-align: center;
    padding: var(--spacing-lg);
}

.history-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.history-date {
    font-weight: 500;
    font-size: 0.875rem;
}

.history-stats {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.history-compare {
    margin-left: auto;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
}

.history-compare:hover {
    background: var(--accent-primary);
    color: white;
}

.footer {
    margin-top: auto;
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.toast-container {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--bg-glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow:
        0 10px 40px var(--shadow-color),
        0 0 0 1px var(--bg-glass-border) inset;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: toastIn var(--transition-spring);
    min-width: 280px;
    will-change: transform, opacity;
}

.toast.toast-out {
    animation: toastOut var(--transition-normal) forwards;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes toastOut {
    from {
        opacity: 1;
        transform: scale(1);
    }

    to {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
}

.toast-success {
    border-left: 4px solid var(--accent-success);
}

.toast-warning {
    border-left: 3px solid var(--neon-orange);
}

.toast-error {
    border-left: 4px solid var(--accent-danger);
}

/* ========================================
   Security Banner
   ======================================== */
.security-banner {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(6, 182, 212, 0.05));
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    animation: fadeIn 0.4s ease;
}

.security-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.security-content {
    flex: 1;
}

.security-content strong {
    display: block;
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.security-content p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 600px) {
    .security-banner {
        flex-direction: column;
        text-align: center;
    }
}

[hidden] {
    display: none !important;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

@media (max-width: 480px) {
    .tab-btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.75rem;
    }

    .tab-icon {
        display: none;
    }
}

/* Whitelist button styles */
.whitelist-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.whitelist-btn:hover {
    background: rgba(255, 193, 7, 0.1);
    border-color: #ffc107;
    color: #ffc107;
}

.whitelist-btn.whitelisted {
    background: rgba(255, 193, 7, 0.15);
    border-color: #ffc107;
    color: #ffc107;
}

/* History load button */
.history-load {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.history-load:hover {
    background: var(--instagram-gradient);
    color: white;
    border-color: transparent;
}

/* Footer Links */
.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.footer-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-primary);
}

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

.coffee-link {
    color: #FFDD00;
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.coffee-link:hover {
    color: #FFE940;
    transform: scale(1.05);
}

/* Export & Share Buttons */
.action-buttons {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.btn-export,
.btn-share {
    flex: 1;
    min-width: 140px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.btn-export {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-export:hover {
    background: var(--accent-success);
    border-color: var(--accent-success);
    color: white;
}

.btn-share {
    background: #000000;
    border: 1px solid #000000;
    color: white;
}

.btn-share:hover {
    background: #333333;
    border-color: #333333;
}

/* New followers highlight */
.stat-card.new-followers-card {
    background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    color: white;
}