/* ============================================================
   AYNUR SYNC ULTIMATE v4.0 - style.css
   Ultra Mega Premium Design System
   ============================================================ */

:root {
    --primary: #ff006e;
    --secondary: #8338ec;
    --accent: #3a86ff;
    --bg: #0a0a0f;
    --surface: rgba(255, 255, 255, 0.03);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-tertiary: rgba(255, 255, 255, 0.4);
    --success: #06ffa5;
    --warning: #ffbe0b;
    --error: #ff4757;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html {
    height: 100%;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
    transition: var(--transition);
    line-height: 1.5;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 2px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Selection */
::selection {
    background: var(--primary);
    color: white;
}

/* ============================================================
   SPLASH SCREEN
   ============================================================ */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.splash-screen.hidden {
    opacity: 0;
    transform: scale(1.1);
    pointer-events: none;
}

.splash-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    animation: splashFloat 3s ease-in-out infinite;
}

@keyframes splashFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.splash-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(255, 0, 110, 0.5), 0 0 80px rgba(131, 56, 236, 0.3);
    animation: splashPulse 2s ease-in-out infinite;
}

@keyframes splashPulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 40px rgba(255, 0, 110, 0.5); }
    50% { transform: scale(1.05); box-shadow: 0 0 60px rgba(255, 0, 110, 0.8), 0 0 100px rgba(131, 56, 236, 0.5); }
}

.splash-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.splash-title {
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -1px;
    text-align: center;
}

.splash-title span {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.splash-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.splash-loader {
    margin-top: 40px;
    width: 200px;
}

.splash-progress {
    width: 100%;
    height: 3px;
    background: var(--glass);
    border-radius: 3px;
    overflow: hidden;
}

.splash-progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    border-radius: 3px;
    animation: splashLoad 2.5s ease-out forwards;
    box-shadow: 0 0 10px var(--primary);
}

@keyframes splashLoad {
    0% { width: 0%; }
    50% { width: 60%; }
    100% { width: 100%; }
}

.splash-loading-text {
    text-align: center;
    margin-top: 12px;
    font-size: 12px;
    color: var(--text-secondary);
    animation: splashText 1.5s ease-in-out infinite;
}

@keyframes splashText {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

.splash-version {
    position: absolute;
    bottom: 30px;
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 2px;
}

/* ============================================================
   PARTICLES
   ============================================================ */
#particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    will-change: transform;
    contain: strict;
}

/* ============================================================
   OFFLINE BANNER
   ============================================================ */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 8px 16px;
    background: linear-gradient(90deg, var(--warning), #ff9500);
    color: #000;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    z-index: 1000;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

.offline-banner.hidden {
    transform: translateY(-100%);
}

/* ============================================================
   APP CONTAINER & SCREENS
   ============================================================ */
.app-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.app-container.visible {
    opacity: 1;
}

.screen {
    display: none;
    flex-direction: column;
    min-height: 100vh;
    animation: screenIn 0.4s ease;
}

.screen.active {
    display: flex;
}

@keyframes screenIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   GLASSMORPHISM
   ============================================================ */
.glass {
    background: var(--glass);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

/* ============================================================
   AUTH SCREEN
   ============================================================ */
#auth-screen {
    justify-content: center;
    padding: 20px;
    background: radial-gradient(ellipse at top, rgba(255, 0, 110, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at bottom, rgba(131, 56, 236, 0.1) 0%, transparent 50%);
}

.auth-container {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo .logo-icon.large {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    border-radius: 20px;
}

.auth-logo h1 {
    font-size: 28px;
    font-weight: 800;
}

.auth-logo h1 span {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-tagline {
    color: var(--text-secondary);
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 4px;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    background: var(--surface);
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.auth-tab {
    flex: 1;
    padding: 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.auth-tab.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(255, 0, 110, 0.3);
}

/* Auth Forms */
.auth-form {
    display: none;
    flex-direction: column;
    gap: 16px;
}

.auth-form.active {
    display: flex;
    animation: formIn 0.3s ease;
}

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

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.input-icon {
    position: absolute;
    left: 14px;
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    pointer-events: none;
    z-index: 2;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 14px 14px 46px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}

.input-wrapper input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 0, 110, 0.1), 0 0 20px rgba(255, 0, 110, 0.2);
}

.input-wrapper input::placeholder {
    color: var(--text-tertiary);
}

.toggle-password {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-password svg {
    width: 20px;
    height: 20px;
}

.input-hint {
    font-size: 11px;
    color: var(--text-tertiary);
}

/* Password Strength */
.password-strength {
    margin-top: 4px;
}

.strength-bar {
    width: 100%;
    height: 3px;
    background: var(--glass);
    border-radius: 3px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.strength-fill.weak { width: 33%; background: var(--error); }
.strength-fill.medium { width: 66%; background: var(--warning); }
.strength-fill.strong { width: 100%; background: var(--success); }

.strength-text {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 4px;
    display: block;
}

/* Auth Options */
.auth-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-secondary);
}

.remember-me input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--glass-border);
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
}

.remember-me input:checked + .checkmark {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
}

.remember-me input:checked + .checkmark::after {
    content: '✓';
    color: white;
    font-size: 11px;
    font-weight: bold;
}

.forgot-password {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--primary);
}

.terms-check {
    font-size: 13px;
}

.terms-link {
    color: var(--accent);
    text-decoration: none;
}

/* Auth Button */
.auth-button {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(255, 0, 110, 0.4);
    position: relative;
    overflow: hidden;
    min-height: 52px;
}

.auth-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.auth-button:hover::before {
    left: 100%;
}

.auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 0, 110, 0.6);
}

.auth-button:active {
    transform: translateY(0) scale(0.98);
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-loader.hidden {
    display: none;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Guest Button */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 8px 0;
    color: var(--text-tertiary);
    font-size: 13px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

.guest-button {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    background: var(--glass);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.guest-button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--primary);
    color: var(--text);
}

.guest-button svg {
    width: 18px;
    height: 18px;
}

/* ============================================================
   HEADER
   ============================================================ */
.glass-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    margin: 8px 16px 12px;
    border-radius: var(--radius-lg);
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    position: sticky;
    top: 8px;
    z-index: 100;
}

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

.logo.small {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo.small .logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 10px;
}

.logo.small h1 {
    font-size: 18px;
    font-weight: 700;
}

.logo.small h1 span {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    background: var(--glass);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.icon-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(131, 56, 236, 0.3);
}

.icon-btn:active {
    transform: scale(0.95);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

.notification-btn {
    position: relative;
}

.notif-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    width: 18px;
    height: 18px;
    background: linear-gradient(135deg, var(--error), var(--primary));
    border-radius: 50%;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: badgePulse 2s infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.notif-badge.hidden {
    display: none;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: var(--transition);
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.4);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================================
   MAIN CONTENT & TABS
   ============================================================ */
.main-content {
    flex: 1;
    padding: 0 16px 100px;
    overflow-y: auto;
    scroll-behavior: smooth;
}

.tab-content {
    display: none;
    animation: tabIn 0.3s ease;
}

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

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

/* ============================================================
   WELCOME CARD
   ============================================================ */
.welcome-card {
    padding: 20px;
    margin-bottom: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.welcome-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.welcome-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--primary);
}

.welcome-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.welcome-text h2 {
    font-size: 18px;
    font-weight: 700;
}

.welcome-text p {
    font-size: 13px;
    color: var(--text-secondary);
}

.welcome-stats {
    display: flex;
    gap: 16px;
}

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

.w-value {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
}

.w-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================================
   SYNC CARD
   ============================================================ */
.sync-card {
    padding: 24px;
    margin-bottom: 16px;
    position: relative;
    overflow: hidden;
}

.sync-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 0, 110, 0.08) 0%, transparent 60%);
    animation: rotate 25s linear infinite;
    pointer-events: none;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.sync-status-container {
    display: flex;
    align-items: center;
    gap: 16px;
    position: relative;
    z-index: 1;
    margin-bottom: 20px;
}

.sync-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 30px rgba(255, 0, 110, 0.5);
    animation: pulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 30px rgba(255, 0, 110, 0.5); }
    50% { transform: scale(1.05); box-shadow: 0 0 50px rgba(255, 0, 110, 0.8); }
}

.sync-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.sync-icon.syncing {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.sync-info {
    flex: 1;
}

.sync-info h2 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}

.sync-info p {
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 10px;
}

.sync-info p.success {
    color: var(--success);
    text-shadow: 0 0 10px rgba(6, 255, 165, 0.5);
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px var(--primary);
}

.sync-button {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 2px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(255, 0, 110, 0.4);
    overflow: hidden;
}

.sync-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: 0.5s;
}

.sync-button:hover::before {
    left: 100%;
}

.sync-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 0, 110, 0.6);
}

.sync-button:active {
    transform: translateY(0) scale(0.98);
}

.sync-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.sync-button.syncing {
    background: linear-gradient(135deg, var(--secondary), var(--accent));
}

.sync-button.sync-complete {
    background: linear-gradient(135deg, var(--success), #00cc88);
    box-shadow: 0 4px 20px rgba(6, 255, 165, 0.4);
}

.btn-icon svg {
    width: 20px;
    height: 20px;
}

/* ============================================================
   STATS GRID
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.stat-card {
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.stat-card:active {
    transform: scale(0.95);
}

.stat-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.stat-value {
    font-size: 16px;
    font-weight: 800;
    color: var(--text);
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================================
   SECTION TITLE
   ============================================================ */
.section-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding: 0 4px;
}

.section-title h3 {
    font-size: 16px;
    font-weight: 700;
}

.see-all {
    background: none;
    border: none;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.see-all:hover {
    color: var(--primary);
}

/* ============================================================
   ACTIVITY LIST
   ============================================================ */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.activity-item {
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

.activity-item:hover {
    transform: translateX(4px);
    border-color: var(--primary);
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.activity-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.activity-info {
    flex: 1;
}

.activity-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.activity-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

.activity-time {
    font-size: 11px;
    color: var(--text-tertiary);
    white-space: nowrap;
}

/* Skeleton Loading */
.skeleton {
    animation: skeletonPulse 1.5s ease-in-out infinite;
}

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

.skeleton-circle {
    background: var(--glass-border) !important;
}

.skeleton-line {
    height: 12px;
    background: var(--glass-border);
    border-radius: 6px;
    margin-bottom: 6px;
}

.skeleton-line.short {
    width: 60%;
}

/* ============================================================
   WATCH / CONTENT TAB
   ============================================================ */
.watch-header {
    margin-bottom: 16px;
}

.watch-header h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
}

.watch-filters {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
}

.watch-filters::-webkit-scrollbar {
    display: none;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    background: var(--glass);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    backdrop-filter: blur(10px);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(255, 0, 110, 0.3);
}

.filter-btn:hover:not(.active) {
    border-color: var(--primary);
    color: var(--text);
}

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

.content-item {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.content-item:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.content-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.content-item:hover img {
    transform: scale(1.1);
}

.content-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
}

.content-overlay h4 {
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 2px;
}

.content-overlay p {
    font-size: 11px;
    opacity: 0.8;
}

/* ============================================================
   PROFILE TAB
   ============================================================ */
.profile-header {
    padding: 0;
    margin-bottom: 16px;
    overflow: hidden;
}

.profile-cover {
    height: 120px;
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    position: relative;
}

.profile-cover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--bg));
}

.profile-info {
    padding: 0 20px 20px;
    text-align: center;
    margin-top: -40px;
    position: relative;
    z-index: 1;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--bg);
    margin: 0 auto 12px;
    position: relative;
    background: var(--surface);
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-edit {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: 2px solid var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.avatar-edit:hover {
    transform: scale(1.1);
}

.avatar-edit svg {
    width: 14px;
    height: 14px;
    color: white;
}

.profile-info h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
}

.profile-info p {
    color: var(--text-secondary);
    font-size: 14px;
}

.profile-bio {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-tertiary);
    font-style: italic;
}

.profile-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    padding: 16px 20px;
    border-top: 1px solid var(--glass-border);
}

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

.p-value {
    display: block;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
}

.p-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Profile Menu */
.profile-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.menu-item {
    padding: 14px 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.menu-item:hover {
    transform: translateX(4px);
    border-color: var(--primary);
}

.menu-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--secondary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.menu-icon svg {
    width: 20px;
    height: 20px;
    color: white;
}

.menu-text {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.menu-title {
    font-size: 14px;
    font-weight: 600;
}

.menu-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

.menu-arrow {
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    transition: var(--transition);
}

.menu-item:hover .menu-arrow {
    transform: translateX(4px);
    color: var(--primary);
}

/* Logout Button */
.logout-button {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--error);
    border-radius: var(--radius-md);
    background: rgba(255, 71, 87, 0.1);
    color: var(--error);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
    margin-bottom: 20px;
}

.logout-button:hover {
    background: rgba(255, 71, 87, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 71, 87, 0.3);
}

.logout-button svg {
    width: 18px;
    height: 18px;
}

/* ============================================================
   BOTTOM NAVIGATION
   ============================================================ */
.bottom-nav {
    position: fixed;
    bottom: 16px;
    left: 16px;
    right: 16px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px;
    border-radius: var(--radius-xl);
    z-index: 100;
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-lg);
}

.nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    border: none;
    background: none;
    color: var(--text-secondary);
    font-size: 10px;
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-md);
}

.nav-item svg {
    width: 22px;
    height: 22px;
    transition: var(--transition);
}

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

.nav-item.active svg {
    filter: drop-shadow(0 0 8px rgba(255, 0, 110, 0.5));
    transform: translateY(-2px);
}

.nav-item:not(.active):hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.05);
}

.nav-center {
    position: relative;
    top: -20px;
}

.nav-center-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 0, 110, 0.5);
    transition: var(--transition-bounce);
    border: 3px solid var(--bg);
}

.nav-center-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(255, 0, 110, 0.7);
}

.nav-center-btn:active {
    transform: scale(0.9);
}

.nav-center-btn svg {
    width: 24px;
    height: 24px;
    color: white;
}

/* ============================================================
   MODALS
   ============================================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: none;
    align-items: flex-end;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 500px;
    max-height: 85vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    overflow: hidden;
    animation: slideUp 0.3s ease;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

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

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--glass);
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--primary);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
}

/* Settings */
.setting-group {
    margin-bottom: 24px;
}

.setting-group h4 {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.setting-item span {
    font-size: 14px;
}

.setting-value {
    color: var(--accent);
    font-weight: 600;
}

/* Theme Selector */
.theme-selector {
    display: flex;
    gap: 8px;
}

.theme-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.theme-btn.active {
    border-color: white;
    box-shadow: 0 0 0 2px var(--bg), 0 0 0 4px var(--primary);
    transform: scale(1.1);
}

.theme-btn:hover {
    transform: scale(1.15);
}

/* Toggle Switch */
.toggle {
    position: relative;
    width: 48px;
    height: 26px;
    cursor: pointer;
}

.toggle input {
    display: none;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass-border);
    border-radius: 26px;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle input:checked + .toggle-slider {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

/* Select */
select {
    padding: 8px 12px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    cursor: pointer;
    outline: none;
}

/* ============================================================
   DEVELOPERS MODAL
   ============================================================ */
.devs-intro {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 20px;
}

.devs-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dev-card {
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-decoration: none;
    color: var(--text);
    transition: var(--transition);
}

.dev-card:hover {
    transform: translateX(8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.dev-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.dev-avatar svg {
    width: 24px;
    height: 24px;
    color: white;
}

.dev-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 2px;
}

.dev-card span {
    font-size: 13px;
    color: var(--text-secondary);
}

.devs-footer {
    margin-top: 24px;
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
}

.devs-footer p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.version-text {
    color: var(--primary) !important;
    font-weight: 700;
    letter-spacing: 1px;
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
#toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-md);
    background: var(--glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
    pointer-events: auto;
    max-width: 90vw;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(-20px); }
}

.toast.success {
    border-color: var(--success);
    background: rgba(6, 255, 165, 0.1);
}

.toast.error {
    border-color: var(--error);
    background: rgba(255, 71, 87, 0.1);
}

.toast.warning {
    border-color: var(--warning);
    background: rgba(255, 190, 11, 0.1);
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ============================================================
   THEMES
   ============================================================ */
body[data-theme="cyber"] {
    --primary: #00ff41;
    --secondary: #008f11;
    --accent: #003b00;
    --bg: #000000;
    --glass: rgba(0, 255, 65, 0.05);
    --glass-border: rgba(0, 255, 65, 0.15);
    --success: #00ff41;
}

body[data-theme="sunset"] {
    --primary: #ff6b35;
    --secondary: #f7931e;
    --accent: #ffd23f;
    --bg: #1a0a00;
    --glass: rgba(255, 107, 53, 0.05);
    --glass-border: rgba(255, 107, 53, 0.15);
}

body[data-theme="ocean"] {
    --primary: #00d9ff;
    --secondary: #0099cc;
    --accent: #0066ff;
    --bg: #001122;
    --glass: rgba(0, 217, 255, 0.05);
    --glass-border: rgba(0, 217, 255, 0.15);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width: 768px) {
    .app-container {
        max-width: 600px;
        margin: 0 auto;
    }

    .content-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 360px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .welcome-card {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .bottom-nav {
        bottom: 8px;
        left: 8px;
        right: 8px;
    }

    .nav-item span {
        font-size: 9px;
    }
}

/* Landscape */
body.landscape .bottom-nav {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    margin-top: auto;
}

body.landscape .main-content {
    padding-bottom: 16px;
}

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

    .particle {
        display: none !important;
    }

    .splash-screen {
        display: none !important;
    }
}

/* ============================================================
   UTILITIES
   ============================================================ */
.hidden {
    display: none !important;
}

.visible {
    opacity: 1 !important;
}