/* Crypto Analyzer Admin Panel - Modern Dark Theme CSS */

:root {
    /* Colors */
    --primary: #6366f1;
    --primary-hover: #5855eb;
    --secondary: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #06b6d4;
    
    /* Dark Theme */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-hover: rgba(255, 255, 255, 0.1);
    
    /* Text */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Borders */
    --border-primary: rgba(255, 255, 255, 0.1);
    --border-secondary: rgba(255, 255, 255, 0.05);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-backdrop: blur(10px);
    
    /* Layout */
    --sidebar-width: 250px;
    --header-height: 70px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    /* Animations */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Glassmorphism Components */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
}

.glass-card:hover {
    background: var(--bg-glass-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Loading Spinner */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 15, 35, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    backdrop-filter: blur(5px);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-primary);
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-spinner span {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Alerts */
.alert {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    color: white;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

.alert-success {
    background: linear-gradient(135deg, var(--success), #059669);
}

.alert-error {
    background: linear-gradient(135deg, var(--error), #dc2626);
}

.alert-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
}

.alert button {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: auto;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.alert button:hover {
    opacity: 1;
}

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

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    animation: fadeInUp 0.6s ease;
}

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

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

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.login-header .logo i {
    font-size: 2rem;
    color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-header p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.9rem;
}

.form-group label i {
    color: var(--primary);
    width: 16px;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    background: var(--bg-secondary);
}

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

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition-fast);
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::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: left 0.5s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
    color: white;
}

.btn-error {
    background: linear-gradient(135deg, var(--error), #dc2626);
    color: white;
}

.btn-full {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

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

/* Login Footer */
.login-footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-secondary);
}

.login-footer p {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.login-footer p i {
    color: var(--success);
}

.login-footer small {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* App Layout */
.app-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border-right: 1px solid var(--border-primary);
    padding: 1.5rem 0;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 0 1.5rem 2rem;
    border-bottom: 1px solid var(--border-secondary);
    margin-bottom: 2rem;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
}

.sidebar-logo i {
    font-size: 1.5rem;
    color: var(--primary);
}

.nav-menu {
    list-style: none;
}

.nav-item {
    margin-bottom: 0.25rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: var(--primary);
}

.nav-link i {
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    width: 100%;
    max-width: none;
    overflow-x: hidden;
}

.header {
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 90;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.header-title h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.05);
}

/* Content Area */
.content {
    padding: 2rem;
    width: 100%;
    box-sizing: border-box;
}

.page-header {
    margin-bottom: 2rem;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Cards */
.card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-normal);
}

.card:hover {
    background: var(--bg-glass-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    width: 100%;
}

.stat-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

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

.stat-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
}

.stat-icon.success {
    background: linear-gradient(135deg, var(--success), #059669);
}

.stat-icon.warning {
    background: linear-gradient(135deg, var(--warning), #d97706);
}

.stat-icon.info {
    background: linear-gradient(135deg, var(--info), #0891b2);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
}

/* Tables */
.table-container {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-backdrop);
    border: 1px solid var(--border-primary);
    border-radius: var(--border-radius);
    overflow: hidden;
}

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

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

.table th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    color: var(--text-secondary);
    background: var(--bg-primary);
}

.table tr:hover {
    background: var(--bg-glass-hover);
}

/* Card body styling for tables */
.card-body {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-info {
    background: rgba(6, 182, 212, 0.2);
    color: var(--info);
    border: 1px solid rgba(6, 182, 212, 0.3);
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        position: fixed;
        z-index: 1000;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .content {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .mobile-menu-toggle {
        display: block !important;
    }
    
    .header-title {
        display: flex;
        align-items: center;
        gap: 1rem;
    }
    
    .login-container {
        padding: 1rem;
    }
    
    .login-card {
        padding: 2rem;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-up {
    animation: slideUp 0.5s ease;
}

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

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

/* Chart Container */
.chart-container {
    position: relative;
    height: 300px;
    margin: 1rem 0;
}

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

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

.d-flex { display: flex; }
.align-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: 1rem; }