/* ========== THEME VARIABLES ========== */

/* Dark Theme (Default) */
:root,
[data-theme="dark"] {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg-primary: #0f0f1e;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #252542;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: rgba(0, 0, 0, 0.3);
}

/* Light Theme */
[data-theme="light"] {
    --primary: #4f46e5;
    --primary-dark: #4338ca;
    --secondary: #7c3aed;
    --success: #059669;
    --danger: #dc2626;
    --warning: #d97706;
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --border: rgba(15, 23, 42, 0.1);
    --shadow: rgba(15, 23, 42, 0.1);
}

/* Ocean Theme */
[data-theme="ocean"] {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --secondary: #06b6d4;
    --success: #14b8a6;
    --danger: #f43f5e;
    --warning: #f59e0b;
    --bg-primary: #0c1e2e;
    --bg-secondary: #0f2942;
    --bg-tertiary: #1e3a5f;
    --text-primary: #f0f9ff;
    --text-secondary: #94a3b8;
    --border: rgba(14, 165, 233, 0.2);
    --shadow: rgba(0, 0, 0, 0.4);
}

/* Sunset Theme */
[data-theme="sunset"] {
    --primary: #f97316;
    --primary-dark: #ea580c;
    --secondary: #ec4899;
    --success: #10b981;
    --danger: #dc2626;
    --warning: #fbbf24;
    --bg-primary: #1e1410;
    --bg-secondary: #2d1f1a;
    --bg-tertiary: #3d2820;
    --text-primary: #fef3c7;
    --text-secondary: #d4a574;
    --border: rgba(249, 115, 22, 0.2);
    --shadow: rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Effects */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(99, 102, 241, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(99, 102, 241, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
}

[data-theme="light"] .bg-grid {
    background-image: 
        linear-gradient(rgba(79, 70, 229, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(79, 70, 229, 0.08) 1px, transparent 1px);
}

[data-theme="ocean"] .bg-grid {
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.08) 1px, transparent 1px);
}

[data-theme="sunset"] .bg-grid {
    background-image: 
        linear-gradient(rgba(249, 115, 22, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(249, 115, 22, 0.08) 1px, transparent 1px);
}

.bg-gradient {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
    animation: rotate 30s linear infinite;
    z-index: 0;
    pointer-events: none;
}

[data-theme="light"] .bg-gradient {
    background: radial-gradient(circle at 50% 50%, rgba(79, 70, 229, 0.08) 0%, transparent 50%);
}

[data-theme="ocean"] .bg-gradient {
    background: radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.2) 0%, transparent 50%);
}

[data-theme="sunset"] .bg-gradient {
    background: radial-gradient(circle at 50% 50%, rgba(249, 115, 22, 0.2) 0%, transparent 50%);
}

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

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    margin-bottom: 3rem;
    animation: slideDown 0.6s ease-out;
}

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

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    padding: 2rem 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    position: relative;
}

.header-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--primary));
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
    border-radius: 20px 20px 0 0;
    overflow: hidden;
}

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

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.logo-icon svg {
    width: 28px;
    height: 28px;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff, var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.875rem 1.75rem;
    border-radius: 12px;
    border: none;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

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

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

.btn-secondary svg {
    width: 18px;
    height: 18px;
}

/* Dashboard */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

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

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1.75rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.stat-card:hover::before {
    transform: translateX(100%);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

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

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
}

.stat-percentage {
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 0.25rem;
    font-family: 'JetBrains Mono', monospace;
}

/* Portfolio Section */
.portfolio-section {
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.filter-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-input {
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    width: 300px;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-input::placeholder {
    color: var(--text-secondary);
}

/* Table */
.table-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

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

.portfolio-table thead {
    background: var(--bg-tertiary);
}

.portfolio-table th {
    padding: 1.25rem 1rem;
    text-align: left;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.portfolio-table th.sortable {
    cursor: pointer;
    user-select: none;
    position: relative;
    transition: all 0.2s ease;
}

.portfolio-table th.sortable:hover {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.sort-icon {
    display: inline-block;
    margin-left: 0.5rem;
    opacity: 0.3;
    font-size: 0.75rem;
}

.sort-icon::after {
    content: '⇅';
}

.portfolio-table th.sort-asc .sort-icon {
    opacity: 1;
}

.portfolio-table th.sort-asc .sort-icon::after {
    content: '↑';
}

.portfolio-table th.sort-desc .sort-icon {
    opacity: 1;
}

.portfolio-table th.sort-desc .sort-icon::after {
    content: '↓';
}

.portfolio-table td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

.portfolio-table tbody tr {
    transition: all 0.2s ease;
}

.portfolio-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.05);
}

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

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

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

.symbol-cell {
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    color: var(--primary);
}

.company-cell {
    color: var(--text-primary);
}

.sector-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.gain-positive {
    color: var(--success);
}

.gain-negative {
    color: var(--danger);
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.btn-icon {
    background: none;
    border: 1px solid var(--border);
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-icon svg {
    width: 16px;
    height: 16px;
}

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

.btn-icon.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: var(--danger);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
}

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

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 20px;
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-content.modal-small {
    max-width: 400px;
}

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

.modal-header {
    padding: 2rem 2rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s ease;
}

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

.modal-content form {
    padding: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    padding: 0.875rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 2000;
    display: none;
    animation: slideInRight 0.3s ease;
    max-width: 400px;
}

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

.toast.show {
    display: block;
}

.toast.success {
    border-left: 4px solid var(--success);
}

.toast.error {
    border-left: 4px solid var(--danger);
}

/* Loading */
.loader {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
}

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

.loading-row td {
    padding: 3rem 1rem !important;
    color: var(--text-secondary);
}

/* Theme Selector */
.theme-selector {
    position: relative;
    z-index: 2001;
}

.theme-btn {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

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

.theme-btn svg {
    width: 18px;
    height: 18px;
}

.theme-dropdown {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.5rem;
    min-width: 200px;
    max-width: calc(100vw - 32px);
    box-shadow: 0 10px 30px var(--shadow);
    z-index: 9999;
    display: none;
    animation: slideDown 0.2s ease;
}

@media (max-width: 480px) {
    .theme-dropdown {
        min-width: 180px;
    }
}

.theme-dropdown.active {
    display: block;
}

.theme-option {
    padding: 0.875rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-primary);
    border: 1px solid transparent;
}

.theme-option:hover {
    background: var(--bg-tertiary);
}

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

.theme-color {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    flex-shrink: 0;
    border: 2px solid var(--border);
}

.theme-color.dark {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
}

.theme-color.light {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

.theme-color.ocean {
    background: linear-gradient(135deg, #0ea5e9, #06b6d4);
}

.theme-color.sunset {
    background: linear-gradient(135deg, #f97316, #ec4899);
}

.theme-info {
    flex: 1;
}

.theme-name {
    font-weight: 600;
    font-size: 0.95rem;
    display: block;
}

.theme-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.125rem;
}

/* Responsive */
@media (max-width: 1024px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: 1;
    }
    
    .table-container {
        overflow-x: auto;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-controls {
        flex-direction: column;
    }
    
    .search-input {
        width: 100%;
    }
    
    .dashboard {
        grid-template-columns: 1fr;
    }
    
    .portfolio-table {
        font-size: 0.85rem;
    }
    
    .portfolio-table th,
    .portfolio-table td {
        padding: 0.75rem 0.5rem;
    }
}