/* ================================================
   ScamBait AI - Design System
   ================================================ */

/* Design Tokens */
:root {
    /* Colors - Primary */
    --color-primary-50: #fef3c7;
    --color-primary-100: #fde68a;
    --color-primary-200: #fcd34d;
    --color-primary-300: #fbbf24;
    --color-primary-400: #f59e0b;
    --color-primary-500: #d97706;
    --color-primary-600: #b45309;
    --color-primary-700: #92400e;

    /* Colors - Secondary (Teal) */
    --color-secondary-50: #f0fdfa;
    --color-secondary-100: #ccfbf1;
    --color-secondary-200: #99f6e4;
    --color-secondary-300: #5eead4;
    --color-secondary-400: #2dd4bf;
    --color-secondary-500: #14b8a6;
    --color-secondary-600: #0d9488;

    /* Colors - Accent (Purple) */
    --color-accent-50: #faf5ff;
    --color-accent-100: #f3e8ff;
    --color-accent-200: #e9d5ff;
    --color-accent-300: #d8b4fe;
    --color-accent-400: #c084fc;
    --color-accent-500: #a855f7;
    --color-accent-600: #9333ea;

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

    /* Colors - Semantic */
    --color-success-light: #d1fae5;
    --color-success: #10b981;
    --color-success-dark: #059669;
    --color-warning-light: #fef3c7;
    --color-warning: #f59e0b;
    --color-warning-dark: #d97706;
    --color-error-light: #fee2e2;
    --color-error: #ef4444;
    --color-error-dark: #dc2626;
    --color-info-light: #dbeafe;
    --color-info: #3b82f6;
    --color-info-dark: #2563eb;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-index */
    --z-dropdown: 100;
    --z-modal: 200;
    --z-toast: 300;
}

/* ================================================
   Base Styles
   ================================================ */

*, *::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-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-gray-900);
    background: linear-gradient(135deg, var(--color-gray-900) 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
}

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

/* ================================================
   Navigation
   ================================================ */

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-8);
    background: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: var(--z-dropdown);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.brand-icon {
    font-size: var(--font-size-2xl);
}

.brand-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
    background: linear-gradient(135deg, var(--color-primary-300), var(--color-primary-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--space-2);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-400);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.nav-link.active {
    color: var(--color-primary-400);
    background: rgba(251, 191, 36, 0.1);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.user-stats {
    display: flex;
    gap: var(--space-2);
}

.stat-badge {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-300);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
}

.stat-badge.time-wasted {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(245, 158, 11, 0.2));
    color: var(--color-primary-300);
}

.user-avatar {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: white;
    background: linear-gradient(135deg, var(--color-accent-500), var(--color-accent-600));
    border-radius: var(--radius-full);
}

/* ================================================
   Main Content
   ================================================ */

.main {
    flex: 1;
    padding: var(--space-8);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.tab-content {
    display: none;
    animation: fadeIn var(--transition-normal);
}

.tab-content.active {
    display: block;
}

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

/* ================================================
   Stats Grid
   ================================================ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    transition: all var(--transition-fast);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.stat-card.accent {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.05));
    border-color: rgba(251, 191, 36, 0.3);
}

.stat-icon {
    font-size: var(--font-size-3xl);
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    margin-top: var(--space-1);
}

/* ================================================
   Section
   ================================================ */

.section {
    margin-bottom: var(--space-8);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: white;
}

.badge {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.badge.live {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ================================================
   Conversations List
   ================================================ */

.conversations-list {
    display: grid;
    gap: var(--space-4);
}

.conversation-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.conversation-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(251, 191, 36, 0.3);
}

.conversation-left {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.conversation-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

.conversation-info h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-1);
}

.conversation-preview {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    max-width: 400px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-right {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.conversation-meta {
    text-align: right;
}

.conversation-time {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-400);
}

.conversation-messages {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--space-1);
}

.conversation-status {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-full);
}

.conversation-status.active {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.conversation-status.waiting {
    background: rgba(251, 191, 36, 0.2);
    color: var(--color-primary-400);
}

/* ================================================
   Activity Feed
   ================================================ */

.activity-feed {
    display: grid;
    gap: var(--space-3);
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-md);
}

.activity-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
}

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
}

.activity-text strong {
    color: white;
}

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

/* ================================================
   Submit Form
   ================================================ */

.submit-container {
    max-width: 700px;
    margin: 0 auto;
}

.submit-header {
    text-align: center;
    margin-bottom: var(--space-8);
}

.submit-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: white;
    margin-bottom: var(--space-3);
}

.submit-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-400);
}

.submit-form {
    display: grid;
    gap: var(--space-6);
    padding: var(--space-8);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
}

.form-group {
    display: grid;
    gap: var(--space-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-300);
}

.form-input,
.form-textarea {
    padding: var(--space-3) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: white;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    border-color: var(--color-primary-400);
    box-shadow: 0 0 0 3px rgba(251, 191, 36, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-500);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Scam Types */
.scam-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
}

.scam-type-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    font-family: inherit;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.scam-type-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.scam-type-btn.active {
    background: rgba(251, 191, 36, 0.1);
    border-color: var(--color-primary-400);
}

.type-icon {
    font-size: var(--font-size-xl);
}

.type-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-300);
}

.scam-type-btn.active .type-label {
    color: var(--color-primary-300);
}

/* Persona Grid */
.persona-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.persona-card {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.persona-card:hover {
    background: rgba(255, 255, 255, 0.1);
}

.persona-card.active {
    background: rgba(251, 191, 36, 0.1);
    border-color: var(--color-primary-400);
}

.persona-avatar {
    font-size: var(--font-size-3xl);
}

.persona-info {
    flex: 1;
}

.persona-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-1);
}

.persona-desc {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
    line-height: var(--line-height-relaxed);
}

.persona-stats {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-success);
}

/* Submit Button */
.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-family: inherit;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    background: linear-gradient(135deg, var(--color-primary-300), var(--color-primary-500));
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(251, 191, 36, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-gray-900);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Quick Submit */
.quick-submit {
    margin-top: var(--space-8);
    text-align: center;
}

.quick-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--space-4);
}

.quick-options {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
}

.quick-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
}

.quick-icon {
    font-size: var(--font-size-2xl);
}

.quick-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    text-align: left;
}

.quick-text strong {
    color: var(--color-primary-300);
}

/* ================================================
   Leaderboard
   ================================================ */

.leaderboard-container {
    max-width: 900px;
    margin: 0 auto;
}

.leaderboard-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-8);
}

.leaderboard-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.leaderboard-tabs {
    display: flex;
    gap: var(--space-2);
}

.lb-tab {
    padding: var(--space-2) var(--space-4);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-400);
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lb-tab:hover {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.lb-tab.active {
    color: var(--color-gray-900);
    background: var(--color-primary-400);
    border-color: var(--color-primary-400);
}

/* Podium */
.podium {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.podium-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    text-align: center;
}

.podium-item.first {
    order: 2;
    transform: scale(1.1);
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1), rgba(245, 158, 11, 0.05));
    border-color: rgba(251, 191, 36, 0.3);
}

.podium-item.second {
    order: 1;
}

.podium-item.third {
    order: 3;
}

.podium-avatar {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-3);
}

.podium-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-bottom: var(--space-1);
}

.podium-score {
    font-size: var(--font-size-sm);
    color: var(--color-primary-400);
    margin-bottom: var(--space-3);
}

.podium-stand {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    background: var(--color-primary-400);
    border-radius: var(--radius-full);
}

/* Leaderboard Table */
.leaderboard-table {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.table-header {
    display: grid;
    grid-template-columns: 60px 1fr 100px 140px 100px;
    padding: var(--space-4) var(--space-6);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table-row {
    display: grid;
    grid-template-columns: 60px 1fr 100px 140px 100px;
    padding: var(--space-4) var(--space-6);
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-fast);
}

.table-row:hover {
    background: rgba(255, 255, 255, 0.03);
}

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

.col-rank {
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-400);
}

.table-row .col-rank {
    color: white;
}

.col-user {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.user-name {
    font-weight: var(--font-weight-medium);
    color: white;
}

.col-scams,
.col-time,
.col-streak {
    font-size: var(--font-size-sm);
    color: var(--color-gray-300);
}

.col-time {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-400);
}

.col-streak {
    color: var(--color-success);
}

/* Your Rank */
.your-rank {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-6);
    padding: var(--space-5);
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(147, 51, 234, 0.05));
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: var(--radius-xl);
}

.your-rank-content {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.your-rank-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.your-rank-position {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.your-rank-score {
    font-size: var(--font-size-base);
    color: var(--color-primary-400);
}

.your-rank-btn {
    padding: var(--space-3) var(--space-5);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: white;
    background: var(--color-accent-500);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.your-rank-btn:hover {
    background: var(--color-accent-600);
}

/* ================================================
   Modal
   ================================================ */

.modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    max-height: 80vh;
    background: var(--color-gray-900);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: white;
    margin-top: var(--space-2);
}

.scammer-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-success);
    background: rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-full);
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--color-gray-400);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.modal-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.modal-stat-value {
    display: block;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: white;
}

.modal-stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
}

.chat-container {
    flex: 1;
    padding: var(--space-5);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.chat-message {
    max-width: 80%;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

.chat-message.scammer {
    align-self: flex-start;
    background: rgba(239, 68, 68, 0.2);
    color: white;
    border-bottom-left-radius: var(--radius-sm);
}

.chat-message.ai {
    align-self: flex-end;
    background: rgba(16, 185, 129, 0.2);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.chat-message-label {
    display: block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--space-1);
    opacity: 0.7;
}

.modal-footer {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-5);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-btn {
    flex: 1;
    padding: var(--space-3);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-btn.secondary {
    color: var(--color-gray-300);
    background: rgba(255, 255, 255, 0.1);
}

.modal-btn.secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.modal-btn.primary {
    color: var(--color-gray-900);
    background: var(--color-primary-400);
}

.modal-btn.primary:hover {
    background: var(--color-primary-300);
}

/* ================================================
   Toast Notifications
   ================================================ */

.toast-container {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-gray-800);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    animation: slideIn var(--transition-normal);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast-icon {
    font-size: var(--font-size-xl);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: white;
}

.toast-message {
    font-size: var(--font-size-xs);
    color: var(--color-gray-400);
}

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

@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .nav {
        flex-wrap: wrap;
        gap: var(--space-4);
        padding: var(--space-4);
    }

    .nav-links {
        order: 3;
        width: 100%;
        justify-content: center;
    }

    .main {
        padding: var(--space-4);
    }

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

    .scam-types {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .podium-item {
        order: unset !important;
        transform: none !important;
    }

    .table-header,
    .table-row {
        grid-template-columns: 50px 1fr 80px;
    }

    .col-time,
    .col-streak {
        display: none;
    }

    .your-rank {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }

    .quick-options {
        flex-direction: column;
    }
}

/* Focus states for accessibility */
*:focus-visible {
    outline: 2px solid var(--color-primary-400);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}