/* ===== CryptoV.pro - Modern Dark Theme ===== */

/* Tailwind CDN will handle base utilities */
/* This file provides custom styles and overrides */

/* ===== CSS Variables ===== */
:root {
    /* Core Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: linear-gradient(145deg, rgba(20, 20, 30, 0.8), rgba(15, 15, 22, 0.9));
    
    /* Accent Colors */
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    
    /* Status Colors */
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.15);
    --danger: #ef4444;
    --danger-light: rgba(239, 68, 68, 0.15);
    --warning: #f59e0b;
    --warning-light: rgba(245, 158, 11, 0.15);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Borders & Shadows */
    --border-color: rgba(148, 163, 184, 0.1);
    --glow-blue: 0 0 40px rgba(59, 130, 246, 0.15);
    --glow-purple: 0 0 40px rgba(139, 92, 246, 0.15);
    
    /* Spacing */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
}

/* ===== Base Styles ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 0%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        linear-gradient(to bottom, var(--bg-primary), var(--bg-secondary));
    z-index: -1;
    pointer-events: none;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

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

.text-gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Layout ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.main-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    padding: 2rem 0;
}

@media (max-width: 1200px) {
    .main-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Header ===== */
.header {
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.625rem 1rem;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    background: var(--accent-gradient);
    color: white;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: var(--glow-blue);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* ===== Crypto Cards Grid ===== */
.crypto-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
}

.crypto-card {
    background: linear-gradient(145deg, rgba(20, 20, 30, 0.9), rgba(15, 15, 22, 0.95));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.crypto-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.crypto-card:hover {
    transform: translateY(-4px);
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), var(--glow-blue);
}

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

.crypto-card.bullish {
    border-color: rgba(16, 185, 129, 0.3);
    background: linear-gradient(145deg, rgba(16, 185, 129, 0.08), rgba(15, 15, 22, 0.95));
}

.crypto-card.bullish::before {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.crypto-card.bearish {
    border-color: rgba(239, 68, 68, 0.3);
    background: linear-gradient(145deg, rgba(239, 68, 68, 0.08), rgba(15, 15, 22, 0.95));
}

.crypto-card.bearish::before {
    background: linear-gradient(90deg, #ef4444, #f87171);
}

.crypto-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.crypto-pair {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.crypto-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--accent-primary);
    border: 1px solid var(--border-color);
}

.crypto-name {
    font-weight: 700;
    font-size: 1.1rem;
}

.crypto-exchange {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.crypto-score {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-xl);
    font-weight: 700;
    font-size: 0.9rem;
}

.crypto-score.positive {
    background: var(--success-light);
    color: var(--success);
}

.crypto-score.negative {
    background: var(--danger-light);
    color: var(--danger);
}

.crypto-score.neutral {
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-secondary);
}

/* Crypto Indicators */
.crypto-indicators {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-top: 1rem;
}

.indicator {
    text-align: center;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.indicator-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.indicator-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.indicator-value.green { color: var(--success); }
.indicator-value.red { color: var(--danger); }
.indicator-value.yellow { color: var(--warning); }

/* RSI Progress Bar */
.rsi-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.rsi-bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.rsi-bar-fill.oversold { background: linear-gradient(90deg, #ef4444, #f87171); }
.rsi-bar-fill.neutral { background: linear-gradient(90deg, #f59e0b, #fbbf24); }
.rsi-bar-fill.overbought { background: linear-gradient(90deg, #10b981, #34d399); }

/* ===== Sidebar ===== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Fear & Greed Index */
.fng-card {
    text-align: center;
    padding: 2rem;
}

.fng-gauge {
    position: relative;
    width: 180px;
    height: 100px;
    margin: 0 auto 1.5rem;
}

.fng-value {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.fng-value.extreme-fear { color: #ef4444; }
.fng-value.fear { color: #f97316; }
.fng-value.neutral { color: #eab308; }
.fng-value.greed { color: #22c55e; }
.fng-value.extreme-greed { color: #10b981; }

.fng-label {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.fng-label.extreme-fear { color: #ef4444; }
.fng-label.fear { color: #f97316; }
.fng-label.neutral { color: #eab308; }
.fng-label.greed { color: #22c55e; }
.fng-label.extreme-greed { color: #10b981; }

/* ===== News Section ===== */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.news-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    cursor: pointer;
}

.news-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(59, 130, 246, 0.3);
}

.news-thumb {
    width: 80px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.news-content {
    flex: 1;
    min-width: 0;
}

.news-title {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.news-source {
    color: var(--accent-primary);
    font-weight: 500;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* ===== Tables ===== */
.table-wrapper {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: rgba(255, 255, 255, 0.02);
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

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

.table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
}

.badge-success {
    background: var(--success-light);
    color: var(--success);
}

.badge-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.badge-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.badge-info {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent-primary);
}

/* ===== Loader ===== */
.loader {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.loader-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, 
        rgba(255, 255, 255, 0.03) 25%, 
        rgba(255, 255, 255, 0.06) 50%, 
        rgba(255, 255, 255, 0.03) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ===== Toast Notifications ===== */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    animation: slideIn 0.3s ease;
    max-width: 400px;
}

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

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

/* ===== Modal ===== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.modal-backdrop.active .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* ===== Login Page ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo {
    width: 64px;
    height: 64px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.login-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== Footer ===== */
.footer {
    background: rgba(10, 10, 15, 0.8);
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    margin-top: 4rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-brand {
    max-width: 280px;
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1rem;
}

.footer-title {
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(148, 163, 184, 0.3);
}

/* ===== Utilities ===== */
.hidden { display: none !important; }
.block { display: block; }
.flex { display: flex; }
.grid { display: grid; }
.inline-flex { display: inline-flex; }

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

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.p-4 { padding: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 9999px; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

.animate-fadeIn { animation: fadeIn 0.3s ease; }
.animate-slideUp { animation: slideUp 0.4s ease; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .main-grid {
        gap: 1.5rem;
        padding: 1rem 0;
    }
    
    .crypto-grid {
        grid-template-columns: 1fr;
    }
    
    .nav-menu {
        display: none;
    }
    
    .login-box {
        padding: 2rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
}

/* ===== Print ===== */
@media print {
    body::before {
        display: none;
    }
    
    .header, .footer, .sidebar {
        display: none;
    }
    
    .card {
        break-inside: avoid;
    }
}