/* style.css - Complete CSS for Crypto Trend Predictor */
:root {
    /* Color Palette */
    --primary-color: #6c5ce7;
    --primary-dark: #5649c4;
    --primary-light: #8579ec;
    --secondary-color: #a29bfe;
    --accent-color: #00cec9;
    --accent-dark: #00a8a5;
    --success-color: #00b894;
    --success-dark: #00a085;
    --danger-color: #d63031;
    --danger-dark: #c23616;
    --warning-color: #fdcb6e;
    --warning-dark: #f9ca24;
    --info-color: #0984e3;
    --dark-color: #2d3436;
    --dark-light: #636e72;
    --light-color: #f5f6fa;
    --light-dark: #dfe6e9;
    
    /* Glassmorphism Variables */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --glass-blur: blur(20px);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-dark: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    --gradient-success: linear-gradient(135deg, #00b894 0%, #00cec9 100%);
    --gradient-danger: linear-gradient(135deg, #e17055 0%, #d63031 100%);
    --gradient-warning: linear-gradient(135deg, #fdcb6e 0%, #e17055 100%);
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Poppins', sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-xxl: 3rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-round: 50%;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.2);
    --shadow-glass: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

/* Import Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-primary);
    color: var(--light-color);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--space-md);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-normal);
}

/* Glassmorphism Base Class */
.glassmorph {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-glass);
}

/* Layout Components */
.container {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* Sidebar Styles */
.sidebar {
    width: 280px;
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    transition: var(--transition-normal);
    z-index: var(--z-fixed);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar.collapsed .logo h2,
.sidebar.collapsed .nav-links span {
    display: none;
}

.logo {
    display: flex;
    align-items: center;
    margin-bottom: var(--space-xxl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.logo img {
    width: 50px;
    height: 50px;
    margin-right: var(--space-md);
    border-radius: var(--radius-md);
    object-fit: cover;
    transition: var(--transition-normal);
}

.sidebar.collapsed .logo img {
    margin-right: 0;
}

.logo h2 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--light-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    list-style: none;
    flex-grow: 1;
}

.nav-links li {
    margin-bottom: var(--space-sm);
}

.nav-links a {
    display: flex;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    color: var(--light-color);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition-normal);
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--primary-color);
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.nav-links i {
    margin-right: var(--space-md);
    width: 20px;
    text-align: center;
    font-size: 1.1rem;
    transition: var(--transition-normal);
}

.sidebar.collapsed .nav-links i {
    margin-right: 0;
    font-size: 1.3rem;
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    margin-left: 280px;
    transition: var(--transition-normal);
}

.sidebar.collapsed ~ .main-content {
    margin-left: 80px;
}

/* Header Styles */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) var(--space-xl);
    margin: var(--space-md);
    border-radius: var(--radius-xl);
    position: sticky;
    top: var(--space-md);
    z-index: var(--z-sticky);
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Search Bar */
.search-bar {
    position: relative;
    width: 400px;
}

.search-bar i {
    position: absolute;
    left: var(--space-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--light-color);
    z-index: 1;
}

.search-bar input {
    width: 100%;
    padding: var(--space-md) var(--space-md) var(--space-md) 3rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--light-color);
    outline: none;
    transition: var(--transition-normal);
    font-size: 0.95rem;
}

.search-bar input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.search-bar input:focus {
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--dark-color);
    border-radius: var(--radius-lg);
    margin-top: var(--space-sm);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: var(--z-dropdown);
    animation: fadeInUp 0.3s ease;
    box-shadow: var(--shadow-xl);
}

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

.search-result-item {
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
}

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

.search-result-item:hover {
    background: var(--primary-color);
}

.search-result-item i {
    margin-right: var(--space-md);
    color: var(--secondary-color);
}

/* User Actions */
.user-actions {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.user-profile {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.user-profile:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-round);
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
}

.balance {
    background: var(--success-color);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.balance:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Content Area */
.content {
    padding: var(--space-xl);
    flex: 1;
}

/* Card Styles */
.card {
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    transition: var(--transition-normal);
    animation: fadeIn 0.6s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.card:hover::before {
    transform: scaleX(1);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Button Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-normal);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    position: relative;
    overflow: hidden;
    font-size: 0.95rem;
}

.btn::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: var(--transition-normal);
}

.btn:hover::before {
    left: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: var(--success-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: var(--danger-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-warning {
    background: var(--warning-color);
    color: var(--dark-color);
}

.btn-warning:hover {
    background: var(--warning-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--glass-border);
    color: var(--light-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    background: rgba(108, 92, 231, 0.1);
    transform: translateY(-3px);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.85rem;
}

.btn-lg {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1.1rem;
}

/* Crypto Grid and Cards */
.crypto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.crypto-card {
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: var(--transition-normal);
    animation: fadeIn 0.5s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.crypto-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(0, 206, 201, 0.1));
    opacity: 0;
    transition: var(--transition-normal);
}

.crypto-card:hover::after {
    opacity: 1;
}

.crypto-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

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

.crypto-symbol {
    font-weight: 700;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.crypto-icon {
    width: 35px;
    height: 35px;
    border-radius: var(--radius-round);
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.crypto-price {
    font-size: 1.4rem;
    font-weight: 700;
}

.crypto-change {
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.price-up {
    color: var(--success-color);
    background: rgba(0, 184, 148, 0.1);
}

.price-down {
    color: var(--danger-color);
    background: rgba(214, 48, 49, 0.1);
}

.crypto-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Signal Styles */
.signals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.signal-card {
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    transition: var(--transition-normal);
    animation: fadeIn 0.6s ease;
    position: relative;
    overflow: hidden;
    border-left: 5px solid transparent;
}

.signal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.05), rgba(0, 206, 201, 0.05));
    opacity: 0;
    transition: var(--transition-normal);
}

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

.signal-bullish {
    border-left-color: var(--success-color);
}

.signal-bearish {
    border-left-color: var(--danger-color);
}

.signal-strength-weak {
    opacity: 0.8;
    transform: scale(0.98);
}

.signal-strength-medium {
    opacity: 0.9;
}

.signal-strength-strong {
    opacity: 1;
    box-shadow: var(--shadow-lg);
}

.signal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.signal-type {
    padding: var(--space-xs) var(--space-sm);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.signal-type.bullish {
    background: rgba(0, 184, 148, 0.2);
    color: var(--success-color);
}

.signal-type.bearish {
    background: rgba(214, 48, 49, 0.2);
    color: var(--danger-color);
}

.signal-details {
    margin-bottom: var(--space-md);
}

.signal-details p {
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.signal-details strong {
    color: rgba(255, 255, 255, 0.9);
    min-width: 120px;
}

.signal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Form Styles */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-sm);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.form-control {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--light-color);
    outline: none;
    transition: var(--transition-normal);
    font-size: 1rem;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.form-control:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23ffffff'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
    padding-right: 3rem;
}

/* Alert Styles */
.alert {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    border-left: 4px solid transparent;
    animation: slideInRight 0.5s ease;
}

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

.alert-success {
    background: rgba(0, 184, 148, 0.1);
    border-left-color: var(--success-color);
    color: var(--success-color);
}

.alert-danger {
    background: rgba(214, 48, 49, 0.1);
    border-left-color: var(--danger-color);
    color: var(--danger-color);
}

.alert-warning {
    background: rgba(253, 203, 110, 0.1);
    border-left-color: var(--warning-color);
    color: var(--warning-color);
}

.alert-info {
    background: rgba(9, 132, 227, 0.1);
    border-left-color: var(--info-color);
    color: var(--info-color);
}

/* Authentication Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--gradient-primary);
}

.auth-card {
    width: 100%;
    max-width: 450px;
    border-radius: var(--radius-xl);
    padding: var(--space-xxl);
    animation: scaleIn 0.6s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.auth-card h2 {
    text-align: center;
    margin-bottom: var(--space-xl);
    background: linear-gradient(45deg, var(--light-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-link {
    text-align: center;
    margin-top: var(--space-lg);
    color: rgba(255, 255, 255, 0.7);
}

.auth-link a {
    color: var(--accent-color);
    font-weight: 600;
}

.auth-link a:hover {
    color: var(--accent-dark);
}

/* Trading Interface */
.trading-interface {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-xl);
    margin-top: var(--space-lg);
}

.trading-panel {
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    height: fit-content;
    position: sticky;
    top: var(--space-xl);
}

.advanced-options {
    margin-top: var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
}

.advanced-options h4 {
    margin-bottom: var(--space-md);
    color: var(--accent-color);
}

.trade-summary {
    margin: var(--space-lg) 0;
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
}

.trade-summary p {
    margin-bottom: var(--space-sm);
    display: flex;
    justify-content: space-between;
}

.portfolio-section {
    margin-top: var(--space-lg);
}

.portfolio-grid {
    display: grid;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.portfolio-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.portfolio-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.portfolio-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.portfolio-symbol {
    font-weight: 600;
    font-size: 1.1rem;
}

.portfolio-amount {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.portfolio-value {
    text-align: right;
}

.current-value {
    font-weight: 600;
    font-size: 1.1rem;
}

.profit-loss {
    font-size: 0.85rem;
    margin-top: var(--space-xs);
}

.profit {
    color: var(--success-color);
}

.loss {
    color: var(--danger-color);
}

/* Admin Dashboard */
.admin-dashboard h1 {
    text-align: center;
    margin-bottom: var(--space-xxl);
    background: linear-gradient(45deg, var(--light-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
}

.admin-card {
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    transition: var(--transition-normal);
    text-align: center;
    cursor: pointer;
}

.admin-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.admin-card i {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    color: var(--accent-color);
}

.admin-card h3 {
    margin-bottom: var(--space-md);
    color: var(--light-color);
}

.admin-card p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
}

/* Notification Styles */
.notification-bell {
    position: relative;
    cursor: pointer;
    padding: var(--space-sm);
    border-radius: var(--radius-round);
    transition: var(--transition-normal);
}

.notification-bell:hover {
    background: rgba(255, 255, 255, 0.1);
}

.notification-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color);
    color: white;
    border-radius: var(--radius-round);
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.notification-panel {
    position: absolute;
    top: 100%;
    right: 0;
    width: 400px;
    background: var(--dark-color);
    border-radius: var(--radius-lg);
    margin-top: var(--space-sm);
    box-shadow: var(--shadow-xl);
    display: none;
    z-index: var(--z-dropdown);
    animation: fadeInUp 0.3s ease;
}

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

.notification-list {
    max-height: 400px;
    overflow-y: auto;
}

.notification-item {
    padding: var(--space-md);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-fast);
    cursor: pointer;
}

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

.notification-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.notification-item.unread {
    background: rgba(108, 92, 231, 0.1);
}

.notification-title {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.notification-message {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-xs);
}

.notification-time {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Advertisement Styles */
.ad-container {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 300px;
    z-index: var(--z-fixed);
    animation: slideInUp 0.5s ease;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ad-spot {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-bottom: var(--space-md);
    transition: var(--transition-normal);
    cursor: pointer;
}

.ad-spot:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.ad-title {
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--accent-color);
}

.ad-content {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-sm);
}

.ad-cta {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition-normal);
}

.ad-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Chart Styles */
.chart-container {
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    height: 400px;
    position: relative;
}

.chart-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    color: rgba(255, 255, 255, 0.5);
    font-style: italic;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-round);
    border-top-color: var(--light-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); }
.mt-5 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); }
.mb-5 { margin-bottom: var(--space-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-lg); }
.p-5 { padding: var(--space-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* Responsive Design */
@media (max-width: 1200px) {
    .trading-interface {
        grid-template-columns: 1fr;
    }
    
    .crypto-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .signals-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }
}

@media (max-width: 992px) {
    .sidebar {
        width: 80px;
    }
    
    .sidebar .logo h2,
    .sidebar .nav-links span {
        display: none;
    }
    
    .sidebar .logo img {
        margin-right: 0;
    }
    
    .sidebar .nav-links i {
        margin-right: 0;
        font-size: 1.3rem;
    }
    
    .main-content {
        margin-left: 80px;
    }
    
    .search-bar {
        width: 300px;
    }
    
    .admin-cards {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }
    
    .sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: auto;
        width: 100%;
        flex-direction: row;
        padding: var(--space-md);
        z-index: var(--z-fixed);
    }
    
    .logo {
        display: none;
    }
    
    .nav-links {
        display: flex;
        flex-grow: 1;
        justify-content: space-around;
    }
    
    .nav-links li {
        margin-bottom: 0;
    }
    
    .nav-links a {
        flex-direction: column;
        padding: var(--space-sm);
        font-size: 0.7rem;
    }
    
    .nav-links i {
        margin-right: 0;
        margin-bottom: var(--space-xs);
        font-size: 1.2rem;
    }
    
    .nav-links a:hover,
    .nav-links a.active {
        transform: translateY(-5px);
    }
    
    .main-content {
        margin-left: 0;
        margin-bottom: 80px;
    }
    
    .header {
        flex-direction: column;
        gap: var(--space-md);
        padding: var(--space-md);
    }
    
    .search-bar {
        width: 100%;
    }
    
    .user-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .content {
        padding: var(--space-md);
    }
    
    .crypto-grid {
        grid-template-columns: 1fr;
    }
    
    .signals-grid {
        grid-template-columns: 1fr;
    }
    
    .ad-container {
        position: static;
        width: 100%;
        margin-top: var(--space-lg);
    }
    
    .notification-panel {
        width: 100vw;
        right: -20px;
    }
}

@media (max-width: 576px) {
    :root {
        --space-xl: 1.5rem;
        --space-xxl: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    
    .card, .crypto-card, .signal-card {
        padding: var(--space-lg);
    }
    
    .auth-card {
        padding: var(--space-xl);
    }
    
    .admin-cards {
        grid-template-columns: 1fr;
    }
    
    .trading-panel {
        padding: var(--space-lg);
    }
}

/* Print Styles */
@media print {
    .sidebar, .header, .ad-container, .btn {
        display: none !important;
    }
    
    .main-content {
        margin-left: 0 !important;
    }
    
    .card, .crypto-card, .signal-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #f5f6fa;
        --dark-color: #2d3436;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --glass-bg: rgba(0, 0, 0, 0.8);
        --glass-border: rgba(255, 255, 255, 0.8);
    }
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}