/**
 * ====================================================================
 * ALPHAVAULT AI - US ECONOMIC DASHBOARD - PREMIUM STYLES
 * ====================================================================
 * Design: Glassmorphism + Gradient + Ultra Premium Buttons
 * Colors: White/Blue/Purple (US Theme)
 */

/* ========================================
   VARIABLES
   ======================================== */
:root {
    --eco-primary: #3b82f6;
    --eco-secondary: #8b5cf6;
    --eco-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --eco-gradient-soft: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    --eco-success: #10b981;
    --eco-danger: #ef4444;
    --eco-warning: #f59e0b;
    --eco-info: #3b82f6;
    
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-shadow: 0 8px 32px rgba(102, 126, 234, 0.15);
    
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
    --border-radius-lg: 24px;
}

body.dark-mode {
    --glass-bg: rgba(15, 23, 42, 0.95);
    --glass-border: rgba(100, 116, 139, 0.3);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* ========================================
   PREMIUM BUTTONS (HEADER)
   ======================================== */
.header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--eco-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
    position: relative;
    overflow: hidden;
}

.dashboard-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

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

.dashboard-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.dashboard-btn:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.dashboard-btn i {
    font-size: 1rem;
}

.dashboard-btn-refresh {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

.dashboard-btn-export {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

/* Responsive: hide text on mobile */
@media (max-width: 768px) {
    .dashboard-btn .btn-text {
        display: none;
    }
    
    .dashboard-btn {
        padding: 10px 14px;
    }
}

/* ========================================
   DASHBOARD BUTTONS - SMALL
   ======================================== */
.dashboard-btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    color: var(--text-primary);
    border: 2px solid var(--glass-border);
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.dashboard-btn-sm:hover {
    background: var(--eco-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.dashboard-btn-sm i {
    font-size: 0.95rem;
}

/* ========================================
   DASHBOARD BUTTONS - ICON ONLY
   ======================================== */
.dashboard-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--eco-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.3);
}

.dashboard-btn-icon:hover {
    transform: translateY(-4px) rotate(180deg);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

.dashboard-btn-icon:active {
    transform: translateY(0) rotate(180deg);
}

/* ========================================
   TOOLBAR
   ======================================== */
.dashboard-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.dashboard-toolbar:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 48px rgba(102, 126, 234, 0.25);
}

.toolbar-left,
.toolbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.last-update {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.last-update i {
    color: var(--eco-primary);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

/* ========================================
   SECTION HEADER
   ======================================== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

/* ========================================
   ECONOMIC CARDS GRID
   ======================================== */
.eco-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.eco-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--border-radius);
    padding: 28px;
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.eco-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--eco-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
}

.eco-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 64px rgba(102, 126, 234, 0.3);
    border-color: var(--eco-primary);
}

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

.eco-card.us-card {
    border-left: 4px solid #3b82f6;
}

.eco-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.eco-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.eco-flag {
    font-size: 2rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.eco-value {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--eco-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1.2;
}

.eco-sublabel {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-weight: 600;
}

.eco-change {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    margin-top: 12px;
}

.eco-change.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--eco-success);
}

.eco-change.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--eco-danger);
}

.eco-change i {
    font-size: 0.8rem;
}

/* ========================================
   METRICS SUMMARY
   ======================================== */
.metrics-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.metric-card {
    background: var(--eco-gradient-soft);
    border: 2px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 24px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.metric-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.metric-card:hover::before {
    opacity: 1;
    animation: rotate 10s linear infinite;
}

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

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(102, 126, 234, 0.2);
    border-color: var(--eco-primary);
}

.metric-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
    z-index: 1;
}

.metric-card h4 i {
    color: var(--eco-primary);
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--eco-primary);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.metric-description {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    position: relative;
    z-index: 1;
}

/* ========================================
   CHARTS
   ======================================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 24px;
}

.chart-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    padding: 24px;
    transition: var(--transition-smooth);
}

.chart-card:hover {
    box-shadow: 0 16px 48px rgba(102, 126, 234, 0.25);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.chart-header h3 i {
    color: var(--eco-primary);
}

.chart-btn-fullscreen {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 2px solid var(--glass-border);
    color: var(--text-secondary);
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.chart-btn-fullscreen:hover {
    background: var(--eco-gradient);
    color: white;
    border-color: transparent;
    transform: scale(1.1);
}

.chart {
    height: 400px;
    border-radius: 12px;
}

/* ========================================
   MODALS
   ======================================== */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(40px) saturate(180%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--glass-border);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 32px;
    border-bottom: 1px solid var(--glass-border);
    background: var(--eco-gradient-soft);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--eco-danger);
    transform: rotate(90deg);
}

.modal-body {
    padding: 32px;
}

/* Export Options */
.export-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.export-btn {
    background: var(--glass-bg);
    border: 2px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.export-btn:hover {
    background: var(--eco-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(102, 126, 234, 0.4);
}

.export-btn i {
    font-size: 2.5rem;
}

.export-btn span {
    font-weight: 700;
    font-size: 0.95rem;
}

/* ========================================
   LOADING & ERROR STATES
   ======================================== */
.eco-loading {
    text-align: center;
    padding: 60px 20px;
}

.eco-spinner {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    border: 4px solid var(--glass-border);
    border-top-color: var(--eco-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.eco-error {
    text-align: center;
    padding: 60px 20px;
    color: var(--eco-danger);
}

.eco-error i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.8;
}

.eco-error h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .dashboard-toolbar {
        flex-direction: column;
        gap: 16px;
        align-items: flex-start;
    }
    
    .toolbar-left,
    .toolbar-right {
        width: 100%;
        justify-content: space-between;
    }
    
    .eco-dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .metrics-summary {
        grid-template-columns: 1fr;
    }
    
    .eco-value {
        font-size: 2rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .modal-header,
    .modal-body {
        padding: 20px;
    }
    
    .export-options {
        grid-template-columns: 1fr;
    }
    
    .chart {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .eco-card {
        padding: 20px;
    }
    
    .eco-value {
        font-size: 1.8rem;
    }
    
    .eco-flag {
        font-size: 1.5rem;
    }
    
    .dashboard-btn-sm {
        font-size: 0.8rem;
        padding: 6px 12px;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus States */
.eco-card:focus,
.dashboard-btn:focus,
.dashboard-btn-sm:focus,
.dashboard-btn-icon:focus,
.chart-btn-fullscreen:focus,
.export-btn:focus {
    outline: 3px solid var(--eco-primary);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .eco-card {
        border-width: 3px;
    }
    
    .eco-change {
        border: 2px solid currentColor;
    }
}