/* T042: Visualization CSS - tipsrader.se-inspired design */
/* Feature 009: Visualization Dashboard Redesign */

/* ============================================================================
   Variables & Base Styles
   ============================================================================ */
:root {
    --color-primary: #0066cc;
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-gray-light: #f8f9fa;
    --color-gray: #e9ecef;
    --color-gray-dark: #6c757d;
    --color-white: #ffffff;
    --color-black: #212529;
    --border-radius: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --font-family: Arial, Helvetica, sans-serif;
}

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

body {
    font-family: var(--font-family);
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-black);
    background-color: var(--color-gray-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md);
}

/* ============================================================================
   Header
   ============================================================================ */
.page-header {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.page-header h1 {
    font-size: 28px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.page-header .subtitle {
    font-size: 16px;
    color: var(--color-gray-dark);
}

/* ============================================================================
   Controls Section
   ============================================================================ */
.controls-section {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    align-items: flex-end;
}

.round-selector,
.budget-filter {
    flex: 1;
    min-width: 250px;
}

.round-selector label,
.budget-filter label {
    display: block;
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-dark);
}

.round-dropdown,
.budget-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    font-size: 14px;
    font-family: var(--font-family);
}

.budget-suggestions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    flex-wrap: wrap;
}

.budget-btn {
    padding: 4px 12px;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius);
    background-color: var(--color-white);
    cursor: pointer;
    font-size: 12px;
    transition: all 0.2s;
}

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

.budget-btn:focus-visible,
.round-dropdown:focus-visible,
.budget-input:focus-visible,
.apply-button:focus-visible,
.table-scroll:focus-visible {
    outline: 3px solid rgba(0, 102, 204, 0.35);
    outline-offset: 2px;
}

.apply-button {
    align-self: flex-end;
    min-height: 38px;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    background-color: var(--color-primary);
    color: var(--color-white);
    cursor: pointer;
    font-weight: bold;
}

.apply-button:hover {
    background-color: #004f9e;
}

/* ============================================================================
   Loading Spinner
   ============================================================================ */
.loading-spinner {
    text-align: center;
    padding: var(--spacing-lg);
}

.spinner {
    border: 4px solid var(--color-gray);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================================================
   Round Info
   ============================================================================ */
.round-info {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.round-info h2 {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
}

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

.status-badge {
    padding: 4px 12px;
    border-radius: var(--border-radius);
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
}

.status-upcoming {
    background-color: var(--color-warning);
    color: var(--color-black);
}

.status-in_progress {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.status-completed {
    background-color: var(--color-success);
    color: var(--color-white);
}

.warning-banner {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
}

/* ============================================================================
   Systems Section
   ============================================================================ */
.systems-section {
    margin-bottom: var(--spacing-lg);
}

.systems-section h2 {
    font-size: 20px;
    margin-bottom: var(--spacing-md);
}

.systems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

/* ============================================================================
   System Card
   ============================================================================ */
.system-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.system-header {
    background-color: var(--color-gray-light);
    padding: var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--color-gray);
}

.system-name {
    font-size: 18px;
    font-weight: bold;
}

.strategy-badge {
    padding: 4px 8px;
    border-radius: var(--border-radius);
    font-size: 11px;
    color: var(--color-white);
    font-weight: bold;
}

.system-description {
    padding: var(--spacing-md);
    color: var(--color-gray-dark);
    font-size: 13px;
    border-bottom: 1px solid var(--color-gray);
}

.system-info {
    padding: var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray);
    background-color: var(--color-gray-light);
}

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

.info-label {
    display: block;
    font-size: 11px;
    color: var(--color-gray-dark);
    margin-bottom: 4px;
}

.info-value {
    display: block;
    font-size: 14px;
    font-weight: bold;
}

.system-results {
    padding: var(--spacing-md);
    background-color: #d4edda;
    border-bottom: 2px solid var(--color-success);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--spacing-md);
}

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

.result-label {
    display: block;
    font-size: 12px;
    color: var(--color-gray-dark);
    margin-bottom: 4px;
}

.result-value {
    display: block;
    font-size: 18px;
    font-weight: bold;
}

.result-value.correct-count {
    color: var(--color-primary);
}

.result-value.winnings {
    color: var(--color-success);
}

.winning-rows {
    grid-column: 1 / -1;
}

.winning-row-counts {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    color: var(--color-gray-dark);
    font-size: 14px;
    white-space: nowrap;
}

/* ============================================================================
   Predictions Table (tipsrader.se style)
   ============================================================================ */
.predictions-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.table-scroll {
    max-width: 100%;
    overflow-x: auto;
}

.predictions-table thead {
    background-color: var(--color-gray);
    font-weight: bold;
}

.predictions-table th {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 2px solid var(--color-gray-dark);
}

.predictions-table tbody tr {
    border-bottom: 1px solid var(--color-gray);
}

.predictions-table tbody tr:nth-child(even) {
    background-color: var(--color-gray-light);
}

.predictions-table tbody tr.correct {
    background-color: #d4edda !important;
}

.predictions-table tbody tr.incorrect {
    background-color: #f8d7da !important;
}

.predictions-table td {
    padding: var(--spacing-sm);
}

.match-teams {
    font-size: 12px;
    white-space: nowrap;
}

.prediction-outcome,
.actual-outcome {
    text-align: center;
    font-weight: bold;
    font-size: 14px;
    white-space: nowrap;
}

.confidence {
    text-align: right;
    color: var(--color-gray-dark);
    white-space: nowrap;
}

.result-icon {
    margin-left: 4px;
}

.result-icon.correct {
    color: var(--color-success);
}

.result-icon.incorrect {
    color: var(--color-danger);
}

/* ============================================================================
   Payout Table
   ============================================================================ */
.payout-section {
    margin-bottom: var(--spacing-lg);
}

.payout-table-container {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.payout-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: var(--spacing-md);
}

.payout-summary {
    padding: var(--spacing-md);
    background-color: var(--color-gray-light);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-size: 16px;
}

.payout-label {
    font-weight: bold;
    margin-right: var(--spacing-sm);
}

.payout-amount {
    color: var(--color-success);
    font-weight: bold;
}

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

.payout-table thead {
    background-color: var(--color-gray);
}

.payout-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: bold;
}

.payout-table tbody tr {
    border-bottom: 1px solid var(--color-gray);
}

.payout-table tbody tr:nth-child(even) {
    background-color: var(--color-gray-light);
}

.payout-table td {
    padding: var(--spacing-md);
}

.payout-table .correct-count {
    font-weight: bold;
}

.payout-table .payout-amount strong {
    color: var(--color-success);
    font-size: 16px;
}

/* ============================================================================
   Empty State
   ============================================================================ */
.empty-state {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.empty-state h2 {
    font-size: 20px;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-dark);
}

.empty-state p {
    color: var(--color-gray-dark);
}

/* ============================================================================
   Footer
   ============================================================================ */
.page-footer {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    margin-top: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    font-size: 12px;
    color: var(--color-gray-dark);
}

.page-footer a {
    color: var(--color-primary);
    text-decoration: none;
}

.page-footer a:hover {
    text-decoration: underline;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */
@media (max-width: 768px) {
    .controls-section {
        flex-direction: column;
    }

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

    .system-info {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .winning-row-counts {
        gap: var(--spacing-sm);
        font-size: 12px;
    }

    .predictions-table {
        font-size: 11px;
    }

    .predictions-table td,
    .predictions-table th {
        padding: 4px;
    }

    .match-teams {
        font-size: 11px;
    }

    .container {
        padding: var(--spacing-sm);
    }

    .page-header {
        padding: var(--spacing-md);
    }
}