/* Modern Portfolio UI/UX - 2025 Design System */
/* Mobile-First, Glassmorphism, Bento Box Layouts, Micro-Interactions */

:root {
    --portfolio-primary: #60a5fa;
    --portfolio-secondary: #3f37c9;
    --portfolio-accent: #4cc9f0;
    --portfolio-success: #10b981;
    --portfolio-danger: #ef476f;
    --portfolio-warning: #f59e0b;
    
    --portfolio-bg-glass: rgba(255, 255, 255, 0.85);
    --portfolio-bg-glass-dark: rgba(30, 41, 59, 0.85);
    --portfolio-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --portfolio-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --portfolio-shadow-hover: 0 12px 48px rgba(96, 165, 250, 0.25);
    --portfolio-shadow-glow: 0 0 20px rgba(96, 165, 250, 0.3);
}

[data-theme="dark"] {
    --portfolio-bg-glass: rgba(30, 41, 59, 0.85);
    --portfolio-bg-glass-dark: rgba(15, 23, 42, 0.95);
    --portfolio-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --portfolio-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* App Header - Mobile Optimized */
.portfolio-app-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: var(--shadow-sm);
}

.header-title-section {
    flex: 1;
    min-width: 0;
}

.portfolio-header-title {
    font-size: 24px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
}

.portfolio-header-title i {
    font-size: 22px;
    color: var(--primary);
}

.portfolio-header-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 4px 0 0 0;
}

.portfolio-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.portfolio-refresh-btn,
.header-action-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.portfolio-refresh-btn:hover,
.header-action-btn:hover {
    background: var(--bg-glass);
    transform: scale(1.05);
}

.portfolio-refresh-btn.refreshing {
    animation: spin 1s linear infinite;
}

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

/* Hero Section */
.portfolio-hero {
    padding: 32px 20px;
    text-align: center;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.05) 0%, rgba(63, 55, 201, 0.05) 100%);
    border-bottom: 1px solid var(--border-color);
}

.portfolio-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.portfolio-hero-title {
    font-size: clamp(28px, 5vw, 36px);
    font-weight: 700;
    margin: 0 0 12px 0;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.portfolio-hero-description {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Main Container */
.portfolio-main-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px 100px;
}

.portfolio-section-modern {
    margin-bottom: 48px;
}

/* Portfolio List Section */
.portfolio-list-section-modern {
    background: var(--portfolio-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: var(--portfolio-shadow);
    transition: var(--transition);
}

.portfolio-list-section-modern:hover {
    box-shadow: var(--portfolio-shadow-lg);
}

.portfolio-list-header-modern {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.portfolio-list-header-content {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 0;
}

.portfolio-list-icon-modern {
    position: relative;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--portfolio-shadow-glow);
}

.portfolio-list-icon-modern i {
    font-size: 24px;
    color: white;
    z-index: 1;
}

.icon-glow-modern {
    position: absolute;
    inset: -4px;
    border-radius: var(--radius-lg);
    background: var(--gradient-primary);
    opacity: 0.3;
    filter: blur(8px);
    z-index: 0;
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.05); }
}

.portfolio-list-title-group {
    flex: 1;
    min-width: 0;
}

.portfolio-list-title-modern {
    font-size: clamp(20px, 3vw, 24px);
    font-weight: 700;
    margin: 0 0 4px 0;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.portfolio-list-subtitle-modern {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.portfolio-list-actions-modern {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-portfolio-action-modern {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-portfolio-action-modern:hover {
    background: var(--bg-glass);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-create-modern {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

.btn-create-modern:hover {
    box-shadow: 0 6px 16px rgba(96, 165, 250, 0.4);
    transform: translateY(-2px);
}

.btn-refresh-modern.refreshing i {
    animation: spin 1s linear infinite;
}

/* Portfolio Bento Grid */
.portfolio-bento-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

@media (min-width: 768px) {
    .portfolio-bento-grid-modern {
        grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
        gap: 24px;
    }
}

@media (min-width: 1200px) {
    .portfolio-bento-grid-modern {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    }
}

.portfolio-list-modern {
    list-style: none;
    padding: 0;
    margin: 0;
    display: contents;
}

/* Portfolio Card - Bento Style */
.portfolio-card-bento-modern {
    background: var(--portfolio-bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 24px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--portfolio-shadow);
    display: flex;
    flex-direction: column;
    gap: 20px;
    min-height: 280px;
}

.portfolio-card-bento-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.portfolio-card-bento-modern:hover {
    transform: translateY(-4px);
    box-shadow: var(--portfolio-shadow-hover);
    border-color: var(--primary);
}

.portfolio-card-bento-modern:hover::before {
    transform: scaleX(1);
}

.portfolio-card-header-modern {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
}

.portfolio-card-title-group {
    flex: 1;
    min-width: 0;
}

.portfolio-card-icon-modern {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-bottom: 12px;
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

.portfolio-card-icon-modern i {
    font-size: 20px;
    color: white;
}

.portfolio-card-name-modern {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 4px 0;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.portfolio-card-subtitle-modern {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.portfolio-card-value-modern {
    text-align: right;
    flex-shrink: 0;
}

.portfolio-value-main-modern {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 4px 0;
    line-height: 1.2;
}

.portfolio-change-badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

.portfolio-change-badge-modern.gain {
    background: rgba(16, 185, 129, 0.15);
    color: var(--portfolio-success);
}

.portfolio-change-badge-modern.loss {
    background: rgba(239, 71, 111, 0.15);
    color: var(--portfolio-danger);
}

/* Portfolio Metrics Grid */
.portfolio-metrics-grid-modern {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: auto;
}

.portfolio-metric-modern {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.portfolio-metric-modern:hover {
    background: var(--bg-glass);
    transform: translateY(-2px);
}

.portfolio-metric-label-modern {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.portfolio-metric-value-modern {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.portfolio-metric-value-modern.gain {
    color: var(--portfolio-success);
}

.portfolio-metric-value-modern.loss {
    color: var(--portfolio-danger);
}

.portfolio-metric-icon-modern {
    font-size: 14px;
    opacity: 0.7;
}

/* Portfolio Holdings Preview */
.portfolio-holdings-preview-modern {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.portfolio-holdings-title-modern {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin: 0 0 12px 0;
}

.portfolio-holdings-list-modern {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.portfolio-holding-item-modern {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.portfolio-holding-item-modern:hover {
    background: var(--bg-glass);
}

.portfolio-holding-symbol-modern {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.portfolio-holding-value-modern {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Loading States */
.portfolio-loading-modern {
    text-align: center;
    padding: 48px 20px;
}

.portfolio-loading-spinner-modern {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

.spinner-ring-modern {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gradient-primary);
    animation: bounce 1.4s ease-in-out infinite;
}

.spinner-ring-modern:nth-child(1) { animation-delay: 0s; }
.spinner-ring-modern:nth-child(2) { animation-delay: 0.2s; }
.spinner-ring-modern:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
    0%, 80%, 100% { transform: scale(0.8); opacity: 0.5; }
    40% { transform: scale(1.2); opacity: 1; }
}

.portfolio-loading-text-modern {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 24px 0;
}

.portfolio-skeleton-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.portfolio-skeleton-card-modern {
    height: 280px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-xl);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
}

@keyframes skeleton-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Empty State */
.portfolio-empty-modern,
.portfolio-error-modern {
    text-align: center;
    padding: 64px 20px;
}

.portfolio-empty-icon-modern,
.portfolio-error-icon-modern {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-empty-icon-modern i,
.portfolio-error-icon-modern i {
    font-size: 36px;
    color: var(--text-light);
}

.portfolio-error-icon-modern {
    background: rgba(239, 71, 111, 0.1);
}

.portfolio-error-icon-modern i {
    color: var(--portfolio-danger);
}

.portfolio-empty-title-modern,
.portfolio-error-title-modern {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--text-primary);
}

.portfolio-empty-description-modern,
.portfolio-error-description-modern {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0 0 24px 0;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.btn-portfolio-primary-modern {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.3);
}

.btn-portfolio-primary-modern:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(96, 165, 250, 0.4);
}

/* Floating Action Button */
.fab-create-portfolio {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    border: none;
    box-shadow: 0 8px 24px rgba(96, 165, 250, 0.4);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    z-index: 100;
    transition: var(--transition);
    font-size: 20px;
}

.fab-create-portfolio:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(96, 165, 250, 0.5);
}

.fab-create-portfolio .fab-label {
    font-size: 10px;
    font-weight: 600;
    opacity: 0.9;
}

/* Mobile Optimizations */
@media (max-width: 767px) {
    /* Reduce horizontal spacing */
    .portfolio-main-container {
        padding: 16px 12px 100px;
    }

    .portfolio-hero {
        padding: 24px 12px;
    }

    .portfolio-list-section-modern {
        border-radius: 8px;
        border: none;
        padding: 16px 12px;
        margin-bottom: 24px;
    }

    .portfolio-bento-grid-modern {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .portfolio-list-header-modern {
        flex-direction: row;
        align-items: center;
        margin-bottom: 16px;
        gap: 12px;
    }

    .portfolio-list-header-content {
        gap: 12px;
        flex: 1;
        min-width: 0;
    }

    .portfolio-list-title-group {
        display: none;
    }

    .portfolio-list-icon-modern {
        width: 48px;
        height: 48px;
        border-radius: 8px;
    }

    .portfolio-list-actions-modern {
        justify-content: flex-end;
        gap: 8px;
        flex-shrink: 0;
    }

    .btn-portfolio-action-modern {
        padding: 12px 16px;
        border-radius: var(--radius-md);
        min-width: 44px;
        min-height: 44px;
        font-size: 16px;
    }

    .btn-portfolio-action-modern i {
        font-size: 18px;
    }

    .btn-portfolio-action-modern .btn-text-modern {
        display: none;
    }

    .portfolio-card-bento-modern {
        min-height: 240px;
        border-radius: 8px;
        border: none;
        padding: 16px 12px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .portfolio-card-bento-modern::before {
        display: none;
    }

    .portfolio-card-icon-modern {
        display: none;
    }

    .portfolio-metrics-grid-modern {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .portfolio-metric-modern {
        padding: 12px;
        border-radius: var(--radius-md);
    }

    .portfolio-top-holdings-modern {
        padding: 12px;
        border-radius: 6px;
    }

    .portfolio-change-badge-modern {
        border-radius: 4px;
        padding: 3px 8px;
        font-size: 12px;
    }

    .portfolio-metric-label-modern {
        font-size: 10px;
    }

    .portfolio-metric-value-modern {
        font-size: 14px;
    }

    .portfolio-holding-item-modern {
        border-radius: 4px;
        padding: 8px;
    }

    .portfolio-holdings-preview-modern {
        border-top: none;
        margin-top: 12px;
        padding-top: 12px;
    }

    .fab-create-portfolio {
        width: 56px;
        height: 56px;
        bottom: 16px;
        right: 16px;
        border-radius: 12px;
    }

    .fab-create-portfolio .fab-label {
        display: none;
    }
}

/* Link Styling */
.portfolio-card-link-modern {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

/* Responsive Typography */
@media (max-width: 480px) {
    .portfolio-main-container {
        padding: 12px 8px 100px;
    }

    .portfolio-hero {
        padding: 20px 8px;
        border-bottom: none;
    }

    .portfolio-list-section-modern {
        padding: 12px 8px;
        border-radius: 6px;
        margin-bottom: 16px;
    }

    .portfolio-card-bento-modern {
        padding: 12px 8px;
        border-radius: 6px;
    }

    .portfolio-card-name-modern {
        font-size: 18px;
    }

    .portfolio-value-main-modern {
        font-size: 20px;
    }

    .portfolio-list-header-modern {
        margin-bottom: 12px;
        gap: 8px;
    }

    .portfolio-list-header-content {
        gap: 10px;
    }

    .portfolio-list-actions-modern {
        gap: 6px;
    }

    .portfolio-list-icon-modern {
        width: 44px;
        height: 44px;
        border-radius: 6px;
    }

    .portfolio-metric-modern {
        padding: 10px;
        border-radius: var(--radius-md);
    }

    .portfolio-top-holdings-modern {
        padding: 10px 8px;
        border-radius: 4px;
    }

    .portfolio-holding-item-modern {
        padding: 6px 8px;
        border-radius: 4px;
    }

    .portfolio-change-badge-modern {
        border-radius: 3px;
        padding: 2px 6px;
        font-size: 11px;
    }

    .fab-create-portfolio {
        width: 52px;
        height: 52px;
        bottom: 12px;
        right: 12px;
        border-radius: 10px;
    }
}