/* ============================================
   Lottery AI Prediction - LIGHT THEME
   Clean, professional, modern design
   ============================================ */

/* CSS Variables for Light Theme */
:root {
    /* Primary Colors */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --warning-gradient: linear-gradient(135deg, #f2994a 0%, #f2c94c 100%);
    --danger-gradient: linear-gradient(135deg, #eb3349 0%, #f45c43 100%);

    /* Solid Colors */
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #11998e;
    --warning-color: #f2994a;
    --danger-color: #eb3349;

    /* Light Theme Background */
    --bg-primary: #f8f9fc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #eef2f7;
    --bg-card: #ffffff;
    --bg-card-hover: #f5f7fa;

    /* Text Colors */
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8888a0;

    /* Card Effect */
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
    --card-border: 1px solid #e5e8f0;

    /* 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: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* App Container */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

/* ============ Header ============ */
.header {
    background: var(--bg-card);
    border: var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg) var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--card-shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

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

.logo-icon {
    font-size: 2.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

.logo h1 {
    font-size: 1.75rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-xs);
}

.date-display {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.time-display {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* ============ Stats Section ============ */
.stats-section {
    margin-bottom: var(--spacing-xl);
}

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

.stat-card {
    background: var(--bg-card);
    border: var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.stat-mt::before {
    background: var(--primary-gradient);
}

.stat-mb::before {
    background: var(--secondary-gradient);
}

.stat-overall::before {
    background: var(--success-gradient);
}

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

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-mt .stat-value {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-mb .stat-value {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-overall .stat-value {
    background: var(--success-gradient);
    -webkit-background-clip: text;
    background-clip: text;
}

.stat-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

/* ============ Region Cards ============ */
.regions-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.region-card {
    background: var(--bg-card);
    border: var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--card-shadow);
}

.region-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--card-shadow-hover);
}

.region-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-bottom: var(--card-border);
}

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

.region-icon {
    font-size: 1.5rem;
}

.region-title h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.region-time {
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
}

.update-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.update-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.update-btn:active {
    transform: scale(0.98);
}

.update-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-icon {
    font-size: 1rem;
}

.region-content {
    padding: var(--spacing-lg);
}

.region-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-muted);
}

.status-icon {
    font-size: 1.25rem;
}

.region-data {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.data-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

.data-row:last-child {
    border-bottom: none;
}

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

.data-value {
    font-weight: 600;
    color: var(--text-primary);
}

.data-highlight {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 700;
}

/* ============ Prediction Arrow ============ */
.prediction-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
}

.arrow-line {
    width: 2px;
    height: 30px;
    background: var(--primary-gradient);
    position: relative;
}

.arrow-line::after {
    content: '▼';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-color);
    font-size: 0.8rem;
}

.arrow-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ============ Prediction Card ============ */
.prediction-card {
    background: var(--bg-card);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--card-shadow);
}

.prediction-card:hover {
    box-shadow: 0 0 30px rgba(102, 126, 234, 0.2);
}

.prediction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-bottom: var(--card-border);
}

.prediction-header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.status-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.status-badge.pending {
    background: var(--warning-gradient);
    color: #000;
}

.status-badge.win {
    background: var(--success-gradient);
    color: #fff;
}

.status-badge.lose {
    background: var(--danger-gradient);
    color: #fff;
}

.status-badge.skip {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.prediction-content {
    padding: var(--spacing-lg);
}

.prediction-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.prediction-empty span {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

/* Prediction Result Display */
.prediction-result {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.prediction-numbers {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.prediction-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    padding: var(--spacing-md) var(--spacing-xl);
    border: 3px solid var(--primary-color);
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    position: relative;
}

.prediction-number.main::before {
    content: 'CHÍNH';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-gradient);
    color: white;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    font-weight: 700;
}

.prediction-number.secondary::before {
    content: 'PHỤ';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-muted);
    color: white;
    padding: 2px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.65rem;
    font-weight: 700;
}

.prediction-number.secondary {
    border-color: var(--text-muted);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
}

.prediction-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.info-item {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-xs);
}

.prediction-verdict {
    background: linear-gradient(135deg, rgba(17, 153, 142, 0.1) 0%, rgba(56, 239, 125, 0.1) 100%);
    border: 2px solid var(--success-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
}

.prediction-verdict.skip {
    background: linear-gradient(135deg, rgba(235, 51, 73, 0.1) 0%, rgba(244, 92, 67, 0.1) 100%);
    border-color: var(--danger-color);
}

.verdict-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--success-color);
    margin-bottom: var(--spacing-sm);
}

.prediction-verdict.skip .verdict-title {
    color: var(--danger-color);
}

.verdict-action {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--success-color);
}

.verdict-action.skip {
    color: var(--danger-color);
}

.verdict-reason {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* ============ Verification Result ============ */
.verification-result {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
}

.verification-title {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.verification-content {
    font-weight: 600;
}

.verification-content.win {
    color: var(--success-color);
}

.verification-content.lose {
    color: var(--danger-color);
}

/* ============ History Section ============ */
.history-section {
    background: var(--bg-card);
    border: var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--card-shadow);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.refresh-btn {
    background: var(--bg-tertiary);
    border: var(--card-border);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.refresh-btn:hover {
    background: var(--primary-color);
    color: white;
}

.history-table-wrapper {
    overflow-x: auto;
}

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

.history-table th,
.history-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--bg-tertiary);
}

.history-table th {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    background: var(--bg-tertiary);
}

.history-table tbody tr {
    transition: background var(--transition-fast);
}

.history-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.history-table .win-row {
    background: rgba(17, 153, 142, 0.1);
}

.history-table .lose-row {
    background: rgba(235, 51, 73, 0.1);
}

.loading-row {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl) !important;
}

/* ============ Loading Overlay ============ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    z-index: 1000;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ============ Toast Notifications ============ */
.toast-container {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: 1001;
}

.toast {
    background: var(--bg-card);
    border: var(--card-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    min-width: 300px;
    box-shadow: var(--card-shadow);
    animation: slideIn 0.3s ease;
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

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

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

.toast-icon {
    font-size: 1.5rem;
}

.toast-message {
    flex: 1;
    font-size: 0.9rem;
    color: var(--text-primary);
}

/* ============ Responsive Design ============ */
@media (max-width: 768px) {
    .app-container {
        padding: var(--spacing-md);
    }

    .header-content {
        flex-direction: column;
        text-align: center;
    }

    .header-info {
        align-items: center;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .region-header {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .update-btn {
        width: 100%;
        justify-content: center;
    }

    .prediction-number {
        font-size: 2rem;
        padding: var(--spacing-sm) var(--spacing-lg);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 2rem;
    }

    .toast-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }

    .toast {
        min-width: auto;
    }
}

/* ============ Utility Classes ============ */
.text-success {
    color: var(--success-color);
}

.text-danger {
    color: var(--danger-color);
}

.text-warning {
    color: var(--warning-color);
}

.text-muted {
    color: var(--text-muted);
}

.bg-success {
    background: var(--success-gradient);
}

.bg-danger {
    background: var(--danger-gradient);
}

.bg-warning {
    background: var(--warning-gradient);
}

.hidden {
    display: none !important;
}