/* ============================================
   Sports Court Designer — Polished UI v2.0
   ============================================ */

:root {
    --cd-primary: #1a5fa8;
    --cd-primary-dark: #134d8a;
    --cd-primary-light: #e8f0fb;
    --cd-accent: #2ecc71;
    --cd-accent-dark: #27ae60;
    --cd-surface: #ffffff;
    --cd-surface-alt: #f7f8fa;
    --cd-border: #e2e6ed;
    --cd-text: #1c2333;
    --cd-text-muted: #6b7794;
    --cd-shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --cd-shadow-md: 0 4px 12px rgba(0,0,0,0.10), 0 2px 4px rgba(0,0,0,0.06);
    --cd-shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
    --cd-radius: 10px;
    --cd-radius-sm: 6px;
    --cd-radius-lg: 14px;
    --cd-transition: 0.18s ease;
    --cd-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ---- Wrapper ---- */
.court-designer {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
    font-family: var(--cd-font);
    color: var(--cd-text);
    background: var(--cd-surface);
    border-radius: var(--cd-radius-lg);
}

/* ---- Header ---- */
.court-designer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--cd-border);
    gap: 16px;
    flex-wrap: wrap;
}

.court-designer-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--cd-text);
    margin: 0;
    letter-spacing: -0.3px;
}

.court-type-selector select {
    padding: 9px 14px;
    border: 1.5px solid var(--cd-border);
    border-radius: var(--cd-radius-sm);
    font-size: 14px;
    font-family: var(--cd-font);
    background: var(--cd-surface);
    color: var(--cd-text);
    cursor: pointer;
    box-shadow: var(--cd-shadow-sm);
    transition: border-color var(--cd-transition), box-shadow var(--cd-transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236b7794' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 34px;
    min-width: 200px;
}

.court-type-selector select:focus {
    outline: none;
    border-color: var(--cd-primary);
    box-shadow: 0 0 0 3px rgba(26,95,168,0.12);
}

/* ---- Layout ---- */
.court-designer-container {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

/* ---- Preview ---- */
.court-designer-preview {
    flex: 1;
    min-width: 0;
}

.court-designer-preview svg {
    width: 100%;
    height: auto;
    border-radius: var(--cd-radius);
    border: 1.5px solid var(--cd-border);
    background: #f0f2f5;
    box-shadow: var(--cd-shadow-md);
    display: block;
}

/* ---- Controls Panel ---- */
.court-designer-controls {
    flex: 0 0 340px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ---- Section Cards ---- */
.cd-card {
    background: var(--cd-surface);
    border: 1.5px solid var(--cd-border);
    border-radius: var(--cd-radius);
    padding: 18px;
    box-shadow: var(--cd-shadow-sm);
    overflow: visible;
}

.cd-card-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.7px;
    text-transform: uppercase;
    color: var(--cd-text-muted);
    margin: 0 0 14px 0;
}

/* ---- Area Tabs ---- */
.court-designer .area-selector {
    margin: 0;
}

.court-designer .area-selector-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.7px;
    text-transform: uppercase;
    color: var(--cd-text-muted);
    margin: 0 0 12px 0;
}

.court-designer .area-tabs {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
}

.court-designer .area-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1.5px solid var(--cd-border);
    border-radius: var(--cd-radius-sm);
    background: var(--cd-surface);
    color: var(--cd-text);
    cursor: pointer;
    font-size: 14px;
    font-family: var(--cd-font);
    font-weight: 500;
    transition: background var(--cd-transition), border-color var(--cd-transition), color var(--cd-transition), box-shadow var(--cd-transition);
    text-align: left;
    width: 100%;
}

.court-designer .area-tab:hover {
    background: var(--cd-primary-light);
    border-color: var(--cd-primary);
    color: var(--cd-primary);
}

.court-designer .area-tab.active {
    background: var(--cd-primary);
    border-color: var(--cd-primary);
    color: #fff;
    box-shadow: 0 2px 8px rgba(26,95,168,0.25);
}

.court-designer .area-color-indicator {
    display: inline-block;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: 2px solid rgba(0,0,0,0.15);
    background-color: #ddd;
    flex-shrink: 0;
    transition: transform var(--cd-transition);
}

.court-designer .area-tab.active .area-color-indicator {
    border-color: rgba(255,255,255,0.4);
}

.court-designer .area-tab:hover .area-color-indicator {
    transform: scale(1.1);
}

/* ---- Palette Tabs (Standard / Specialty) ---- */
.palette-toggle {
    display: flex;
    border-radius: var(--cd-radius-sm);
    border: 1.5px solid var(--cd-border);
    overflow: hidden;
    margin-bottom: 14px;
}

.palette-toggle-btn {
    flex: 1;
    padding: 8px 10px;
    font-size: 13px;
    font-weight: 600;
    font-family: var(--cd-font);
    border: none;
    background: var(--cd-surface-alt);
    color: var(--cd-text-muted);
    cursor: pointer;
    transition: background var(--cd-transition), color var(--cd-transition);
    line-height: 1.3;
}

.palette-toggle-btn:first-child {
    border-right: 1.5px solid var(--cd-border);
}

.palette-toggle-btn.active {
    background: var(--cd-primary);
    color: #fff;
}

.palette-toggle-btn:hover:not(.active) {
    background: var(--cd-primary-light);
    color: var(--cd-primary);
}

.specialty-note {
    font-size: 11px;
    color: var(--cd-text-muted);
    background: #fffbeb;
    border: 1px solid #f6d860;
    border-radius: var(--cd-radius-sm);
    padding: 7px 10px;
    margin-bottom: 12px;
    line-height: 1.5;
}

/* ---- Color Palette ---- */
.court-designer .color-palette {
    margin: 0;
}

.court-designer .color-palette-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.7px;
    text-transform: uppercase;
    color: var(--cd-text-muted);
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.current-color-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--cd-text);
    text-transform: none;
    letter-spacing: 0;
}

.current-color-name:not(:empty)::before {
    content: "· ";
    color: var(--cd-text-muted);
    font-weight: 400;
}

.color-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
    gap: 8px;
    overflow: visible;
}

.color-swatch {
    position: relative;
    aspect-ratio: 1;
    border: 2.5px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: transform var(--cd-transition), box-shadow var(--cd-transition), border-color var(--cd-transition);
    overflow: visible;
}

.color-swatch-inner {
    position: absolute;
    inset: 0;
    border-radius: 5px;
}

.color-swatch[data-color="#ffffff"] .color-swatch-inner,
.color-swatch[data-color="#FFFFFF"] .color-swatch-inner {
    border: 2px solid #000000;
}

.color-swatch:hover {
    box-shadow: var(--cd-shadow-md);
    z-index: 2;
}

.color-swatch:hover .color-swatch-inner {
    outline: 2px solid rgba(255,255,255,0.5);
}

.color-swatch.active {
    border-color: var(--cd-text);
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--cd-text);
    z-index: 3;
}

.color-name-tooltip {
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--cd-text);
    color: #fff;
    padding: 5px 9px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 500;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--cd-transition);
    z-index: 99999;
}

.color-name-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--cd-text);
}

.color-swatch:hover .color-name-tooltip {
    opacity: 1;
}

/* ---- Color Note ---- */
.color-note {
    margin-top: 14px;
    padding: 10px 12px;
    background: #fffbeb;
    border: 1px solid #f6d860;
    border-radius: var(--cd-radius-sm);
    font-size: 12px;
    color: #7a6012;
    line-height: 1.5;
}

/* ---- Action Buttons ---- */
.court-designer .action-buttons {
    display: flex;
    gap: 10px;
    margin: 0;
}

.court-designer .btn {
    flex: 1;
    padding: 11px 16px;
    border: none;
    border-radius: var(--cd-radius-sm);
    font-size: 14px;
    font-weight: 600;
    font-family: var(--cd-font);
    cursor: pointer;
    transition: background var(--cd-transition), transform var(--cd-transition), box-shadow var(--cd-transition);
    letter-spacing: 0.1px;
}

.court-designer .btn:hover {
    transform: translateY(-1px);
}

.court-designer .btn:active {
    transform: translateY(0);
}

.court-designer .btn-secondary {
    background: var(--cd-surface-alt);
    color: var(--cd-text-muted);
    border: 1.5px solid var(--cd-border);
}

.court-designer .btn-secondary:hover {
    background: #eaecf0;
    color: var(--cd-text);
}

.court-designer .btn-success {
    background: var(--cd-accent);
    color: #fff;
    box-shadow: 0 2px 8px rgba(46,204,113,0.3);
}

.court-designer .btn-success:hover {
    background: var(--cd-accent-dark);
    box-shadow: 0 4px 12px rgba(46,204,113,0.4);
}

/* ---- Responsive ---- */
@media (max-width: 820px) {
    .court-designer-container {
        flex-direction: column;
    }

    .court-designer-controls {
        flex: 1;
        width: 100%;
    }

    .court-designer .area-tabs {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .court-designer .area-tab {
        flex: 0 0 auto;
        width: auto;
    }

    .court-designer-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .court-type-selector select {
        min-width: 100%;
    }

    .court-designer .action-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .court-designer {
        padding: 16px 12px;
    }

    .color-swatches {
        grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
    }
}

/* ---- Color name on area tabs ---- */
.court-designer .area-tab-label {
    flex: 1;
    text-align: left;
}

.court-designer .area-color-name {
    font-size: 12px;
    font-weight: 700;
    opacity: 0.85;
    white-space: nowrap;
    margin-left: auto;
    padding-left: 6px;
}

.court-designer .area-tab.active .area-color-name {
    opacity: 0.9;
}

/* ---- Three-button action row ---- */
.court-designer .action-buttons {
    flex-wrap: wrap;
}

.court-designer .btn-primary {
    background: #1a5fa8;
    color: #fff;
    box-shadow: 0 2px 8px rgba(26,95,168,0.25);
}

.court-designer .btn-primary:hover {
    background: #134d8a;
    box-shadow: 0 4px 12px rgba(26,95,168,0.35);
}

/* ---- No Paint swatch (Photoshop style: white with single red diagonal) ---- */
.color-swatch[data-color="none"] .color-swatch-inner {
    background-color: #fff;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cline x1='0' y1='100' x2='100' y2='0' stroke='%23e53e3e' stroke-width='8'/%3E%3C/svg%3E");
    background-size: 100% 100%;
    border: 1px solid #dde0e6;
}

/* ---- No Paint color indicator on area tab ---- */
.court-designer .area-color-indicator[style*="background-color: none"],
.court-designer .area-color-indicator[style*="background-color:none"] {
    background: repeating-linear-gradient(
        -45deg,
        #fff,
        #fff 4px,
        #fca5a5 4px,
        #fca5a5 6px
    ) !important;
}