/* ================================================
   ChartScan AI Pro - Enhanced Styles
   Modern, professional design with smooth animations
   ================================================ */

/* ==================== CSS Variables ==================== */
:root {
    /* Colors - Light Mode */
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --primary-light: #e0e7ff;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="dark"] {
    --primary: #818cf8;
    --primary-hover: #6366f1;
    --primary-light: #312e81;
    --secondary: #a78bfa;
    --accent: #22d3ee;
    
    --success: #34d399;
    --warning: #fbbf24;
    --danger: #f87171;
    --info: #60a5fa;
    
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    
    --border: #334155;
    --border-light: #1e293b;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.6);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.7);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition), color var(--transition);
    overflow-x: hidden;
}

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

/* ==================== Site Header ==================== */
.site-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-title {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.375rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

/* Main Navigation */
.main-nav {
    display: flex;
    gap: var(--spacing-sm);
    flex: 1;
    justify-content: center;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.nav-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-icon {
    font-size: 1.125rem;
}

.badge {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    background: var(--danger);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-full);
    min-width: 1.125rem;
    text-align: center;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.icon-btn {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.icon-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-tertiary);
    color: var(--text-primary);
}

.theme-icon {
    font-size: 1.125rem;
}

.btn-upgrade {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: var(--shadow);
}

.btn-upgrade:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* ==================== Main Content ==================== */
.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* Page Management */
.page {
    display: none;
    animation: fadeIn var(--transition-slow);
}

.page.active {
    display: block;
}

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

/* ==================== Welcome Banner ==================== */
.welcome-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
    color: white;
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-2xl);
}

.banner-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.banner-subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
}

.banner-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

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

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ==================== Cards ==================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: box-shadow var(--transition);
}

.upload-card {
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

/* ==================== Upload Area ==================== */
.upload-area {
    position: relative;
    min-height: 400px;
    border: 2px dashed var(--border);
    border-radius: var(--radius-xl);
    background: var(--bg-secondary);
    transition: all var(--transition);
    cursor: pointer;
    overflow: hidden;
}

.upload-area:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.upload-area.active {
    border-color: var(--primary);
    background: var(--primary-light);
    transform: scale(1.01);
}

.upload-default {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    min-height: 400px;
    text-align: center;
}

.upload-icon {
    margin-bottom: var(--spacing-lg);
    color: var(--text-tertiary);
}

.upload-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.upload-text {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: var(--spacing-lg);
}

.upload-formats {
    display: flex;
    gap: var(--spacing-sm);
}

.format-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Upload Preview */
.upload-preview-container {
    padding: var(--spacing-lg);
    position: relative;
}

.upload-preview-container.show {
    display: block;
}

.close-preview {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition);
}

.close-preview:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.chart-preview {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
}

.preview-info {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.info-item {
    display: flex;
    gap: var(--spacing-sm);
}

.info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.info-value {
    color: var(--text-primary);
}

/* ==================== Analysis Options ==================== */
.analysis-options {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border);
}

.analysis-options.show {
    display: block;
}

.options-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.option-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.option-checkbox:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
}

.option-checkbox input {
    display: none;
}

.checkbox-custom {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.option-checkbox input:checked + .checkbox-custom {
    background: var(--primary);
    border-color: var(--primary);
}

.option-checkbox input:checked + .checkbox-custom::after {
    content: '✓';
    color: white;
    font-size: 0.875rem;
    font-weight: 700;
}

.checkbox-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
}

.pro-badge {
    padding: 0.125rem 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

/* ==================== Buttons ==================== */
.card-actions {
    margin-top: var(--spacing-xl);
    display: flex;
    justify-content: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-2xl);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: var(--radius-lg);
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-spinner {
    display: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-primary.loading .btn-spinner {
    display: block;
}

.btn-primary.loading .btn-text {
    opacity: 0.7;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

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

.btn-text-danger {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    border: none;
    color: var(--danger);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-text-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ==================== Results Section ==================== */
.results-section {
    display: none;
    margin-bottom: var(--spacing-xl);
}

.results-section.show {
    display: block;
    animation: slideUp var(--transition-slow);
}

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

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-lg);
}

.results-title-group {
    flex: 1;
}

.results-title {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.results-meta {
    display: flex;
    gap: var(--spacing-lg);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.meta-item svg {
    opacity: 0.6;
}

.results-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* ==================== Error Message ==================== */
.error-message {
    display: none;
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    border-radius: var(--radius-md);
    color: var(--danger);
    font-size: 0.875rem;
}

.error-message:not(:empty) {
    display: block;
}

/* ==================== Features Grid ==================== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ==================== History Panel ==================== */
.history-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 400px;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow-xl);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.history-panel.active {
    transform: translateX(0);
}

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

.panel-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.close-panel {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.close-panel:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.history-filters {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.filter-btn:hover {
    background: var(--bg-tertiary);
}

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

.panel-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border);
}

/* ==================== Coming Soon ==================== */
.coming-soon {
    text-align: center;
    padding: var(--spacing-2xl) * 2;
}

.coming-soon-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.coming-soon h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.coming-soon p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ==================== Footer ==================== */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    margin-top: var(--spacing-2xl) * 2;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--spacing-xl);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-sm);
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-2xl);
}

.footer-column h4 {
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ==================== Responsive ==================== */
@media (max-width: 1024px) {
    .header-container {
        flex-wrap: wrap;
    }
    
    .main-nav {
        order: 3;
        flex-basis: 100%;
        justify-content: flex-start;
        padding-top: var(--spacing-md);
        overflow-x: auto;
    }
    
    .banner-stats {
        display: none;
    }
    
    .history-panel {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .welcome-banner {
        padding: var(--spacing-xl);
    }
    
    .banner-title {
        font-size: 1.875rem;
    }
    
    .banner-subtitle {
        font-size: 1rem;
    }
    
    .results-header {
        flex-direction: column;
    }
    
    .results-actions {
        width: 100%;
        flex-wrap: wrap;
    }
    
    .footer-content {
        flex-direction: column;
    }
}

/* ================================================
   ALERT SYSTEM - ENHANCED STYLES
   Added for improved alert validation and UX
   ================================================ */

/* Alert Messages (Success, Error, Warning) */
.alert-message {
    padding: 14px 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.6;
    animation: slideDown 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    white-space: pre-line;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

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

/* Alert Item Enhanced Styles */
.alert-item-error {
    border-left: 3px solid var(--danger);
    background: rgba(239, 68, 68, 0.03);
}

.alert-item-inactive {
    opacity: 0.7;
}

.coin-symbol {
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 6px;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.alert-price-info {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 6px;
}

.alert-error-msg {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 6px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.alert-status {
    color: #10b981;
    font-size: 0.8rem;
    font-weight: 600;
    background: rgba(16, 185, 129, 0.1);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(16, 185, 129, 0.2);
    white-space: nowrap;
}

.alert-status-triggered {
    color: #6366f1;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.alert-status-error {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-delete-alert {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.btn-delete-alert:hover {
    background: var(--danger);
    color: white;
    transform: scale(1.05);
}

/* Button disabled state */
.btn-create-alert:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-create-alert:disabled:hover {
    background: var(--primary) !important;
    box-shadow: none !important;
}

/* Text color utilities */
.text-green {
    color: #10b981;
}

.text-red {
    color: #ef4444;
}

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

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Form hint */
.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 6px;
    font-style: italic;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .alert-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .alert-actions {
        width: 100%;
        justify-content: space-between;
    }
    
    .alert-message {
        font-size: 0.85rem;
        padding: 12px 14px;
    }
}

/* Dark mode adjustments */
[data-theme="dark"] .alert-item-error {
    background: rgba(239, 68, 68, 0.05);
}

[data-theme="dark"] .alert-message {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Alert info container */
.alert-info {
    flex: 1;
}

.alert-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-coin {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 6px;
    color: var(--text-primary);
    text-transform: uppercase;
}

.alert-condition {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 4px;
}

.alert-condition strong {
    color: var(--primary);
    font-weight: 700;
}

/* ===================================
   PNL (Profit & Loss) Styling - Enhanced
   =================================== */

/* PNL Cell Container */
.pnl-cell {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

/* PNL Amount */
.pnl-cell .pnl-amount {
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.2;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* PNL Percentage */
.pnl-cell .pnl-percent {
    font-size: 0.8rem;
    font-weight: 600;
    opacity: 0.9;
    padding: 2px 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.1);
}

/* Positive PNL (Profit) */
.pnl-positive {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(16, 185, 129, 0.04) 100%);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: #10b981;
}

.pnl-positive .pnl-amount {
    color: #059669;
}

.pnl-positive .pnl-percent {
    background: rgba(16, 185, 129, 0.15);
    color: #047857;
}

/* Negative PNL (Loss) */
.pnl-negative {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08) 0%, rgba(239, 68, 68, 0.04) 100%);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.pnl-negative .pnl-amount {
    color: #dc2626;
}

.pnl-negative .pnl-percent {
    background: rgba(239, 68, 68, 0.15);
    color: #b91c1c;
}

/* Hover Effects */
.pnl-cell:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.pnl-positive:hover {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(16, 185, 129, 0.06) 100%);
    border-color: rgba(16, 185, 129, 0.3);
}

.pnl-negative:hover {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(239, 68, 68, 0.06) 100%);
    border-color: rgba(239, 68, 68, 0.3);
}

/* PNL Badge in Summary Card */
.pnl-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.pnl-badge:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Dark Mode Adjustments */
[data-theme="dark"] .pnl-positive {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.12) 0%, rgba(16, 185, 129, 0.06) 100%);
    border-color: rgba(16, 185, 129, 0.25);
}

[data-theme="dark"] .pnl-negative {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.12) 0%, rgba(239, 68, 68, 0.06) 100%);
    border-color: rgba(239, 68, 68, 0.25);
}

[data-theme="dark"] .pnl-cell .pnl-percent {
    background: rgba(0, 0, 0, 0.2);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .pnl-cell {
        padding: 6px 10px;
    }
    
    .pnl-cell .pnl-amount {
        font-size: 0.85rem;
    }
    
    .pnl-cell .pnl-percent {
        font-size: 0.75rem;
        padding: 2px 6px;
    }
}

/* Animation for PNL Updates */
@keyframes pnlFlash {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.pnl-cell.updating {
    animation: pnlFlash 0.5s ease-in-out;
}

/* Zero PNL (Neutral) */
.pnl-neutral {
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.2);
    color: #64748b;
}

.pnl-neutral .pnl-amount {
    color: #475569;
}

.pnl-neutral .pnl-percent {
    background: rgba(148, 163, 184, 0.15);
    color: #334155;
}