/*
 * Web Font Previewer & Comparator
 * Prefix: wfp-
 * Theme: Teal
 */

:root {
    --wfp-primary: #0d9488;
    --wfp-primary-l: #14b8a6;
    --wfp-primary-d: #0f766e;
    --wfp-primary-bg: #f0fdfa;
    --wfp-bg: #f8fafc;
    --wfp-card: #ffffff;
    --wfp-text: #1e293b;
    --wfp-text-m: #64748b;
    --wfp-border: #e2e8f0;
    --wfp-shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
    --wfp-radius: 12px;
    --wfp-radius-s: 8px;
}

#pageWrap {
    background-color: transparent !important;
}

.wfp-container {
    width: 100%;
    margin: 40px auto;
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', sans-serif;
    color: var(--wfp-text);
}

/* ═══════════════════════════════════════
   Controls Panel
   ═══════════════════════════════════════ */
.wfp-controls {
    background: var(--wfp-card);
    border: 1px solid var(--wfp-border);
    border-radius: var(--wfp-radius);
    padding: 20px 24px;
    margin-bottom: 20px;
    box-shadow: var(--wfp-shadow);
}

.wfp-controls-title {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--wfp-primary);
    margin: 0 0 16px;
}

.wfp-text-row {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 16px;
}

.wfp-preview-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--wfp-border);
    border-radius: var(--wfp-radius-s);
    font-size: 1rem;
    color: var(--wfp-text);
    background: var(--wfp-bg);
    outline: none;
    transition: border-color 0.15s;
}

.wfp-preview-input:focus {
    border-color: var(--wfp-primary-l);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.12);
}

.wfp-params-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px 20px;
}

.wfp-param-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.wfp-param-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--wfp-text-m);
}

.wfp-param-value {
    font-weight: 700;
    color: var(--wfp-primary);
    font-size: 0.82rem;
}

.wfp-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--wfp-border);
    outline: none;
    cursor: pointer;
}

.wfp-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--wfp-primary);
    cursor: pointer;
    box-shadow: 0 1px 4px rgba(13, 148, 136, 0.3);
    transition: transform 0.1s;
}

.wfp-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.wfp-select {
    padding: 8px 10px;
    border: 1px solid var(--wfp-border);
    border-radius: var(--wfp-radius-s);
    font-size: 0.83rem;
    color: var(--wfp-text);
    background: var(--wfp-bg);
    cursor: pointer;
    outline: none;
    width: 100%;
}

.wfp-select:focus {
    border-color: var(--wfp-primary-l);
}

/* Bottom row */
.wfp-options-row {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--wfp-border);
}

.wfp-option-group {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--wfp-text-m);
    font-weight: 600;
}

.wfp-bg-btns {
    display: flex;
    gap: 4px;
}

.wfp-bg-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 2px solid var(--wfp-border);
    cursor: pointer;
    transition: border-color 0.15s, transform 0.1s;
    flex-shrink: 0;
}

.wfp-bg-btn:hover {
    transform: scale(1.1);
}

.wfp-bg-btn.active {
    border-color: var(--wfp-primary);
    box-shadow: 0 0 0 2px rgba(13, 148, 136, 0.2);
}

.wfp-bg-btn[data-bg="white"] {
    background: #ffffff;
}

.wfp-bg-btn[data-bg="light"] {
    background: #f8fafc;
}

.wfp-bg-btn[data-bg="dark"] {
    background: #1e293b;
}

.wfp-bg-btn[data-bg="black"] {
    background: #000000;
}

.wfp-slot-label {
    font-size: 0.82rem;
    color: var(--wfp-text-m);
    font-weight: 600;
}

.wfp-slot-btns {
    display: flex;
    gap: 4px;
}

.wfp-slot-btn {
    padding: 4px 10px;
    border: 1px solid var(--wfp-border);
    border-radius: 6px;
    background: var(--wfp-bg);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--wfp-text-m);
    cursor: pointer;
    transition: all 0.15s;
}

.wfp-slot-btn:hover {
    border-color: var(--wfp-primary-l);
    color: var(--wfp-primary);
}

.wfp-slot-btn.active {
    background: var(--wfp-primary);
    border-color: var(--wfp-primary);
    color: #fff;
}

/* ═══════════════════════════════════════
   Compare Grid
   ═══════════════════════════════════════ */
.wfp-compare-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 20px;
}

.wfp-compare-grid[data-slots="1"] {
    grid-template-columns: 1fr;
}

.wfp-compare-grid[data-slots="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.wfp-compare-grid[data-slots="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.wfp-compare-grid[data-slots="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.wfp-slot-card {
    background: var(--wfp-card);
    border: 1px solid var(--wfp-border);
    border-radius: var(--wfp-radius);
    overflow: hidden;
    box-shadow: var(--wfp-shadow);
    display: flex;
    flex-direction: column;
    transition: border-color 0.15s;
}

.wfp-slot-card:hover {
    border-color: var(--wfp-primary-l);
}

/* Font selector header */
.wfp-slot-header {
    padding: 12px 14px;
    border-bottom: 1px solid var(--wfp-border);
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    background: var(--wfp-bg);
}

.wfp-slot-number {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--wfp-primary);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.wfp-cat-select,
.wfp-font-select {
    flex: 1;
    min-width: 0;
    padding: 6px 8px;
    border: 1px solid var(--wfp-border);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--wfp-text);
    background: #fff;
    cursor: pointer;
    outline: none;
}

.wfp-cat-select:focus,
.wfp-font-select:focus {
    border-color: var(--wfp-primary-l);
}

/* Preview area */
.wfp-preview-area {
    flex: 1;
    padding: 24px 20px;
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
    overflow: hidden;
    word-break: break-word;
}

.wfp-preview-text {
    width: 100%;
    text-align: center;
    line-height: 1.8;
    white-space: pre-wrap;
}

/* dark backgrounds: invert text */
.wfp-preview-area[data-bg="dark"] .wfp-preview-text,
.wfp-preview-area[data-bg="black"] .wfp-preview-text {
    color: #f1f5f9;
}

/* Font info footer */
.wfp-slot-footer {
    padding: 10px 14px;
    border-top: 1px solid var(--wfp-border);
    background: var(--wfp-bg);
}

.wfp-font-name-display {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--wfp-text);
    margin: 0 0 2px;
}

.wfp-font-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.wfp-font-tag {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 99px;
    background: var(--wfp-primary-bg);
    color: var(--wfp-primary-d);
    font-weight: 600;
}

/* ═══════════════════════════════════════
   Code Output Panel
   ═══════════════════════════════════════ */
.wfp-code-panel {
    background: var(--wfp-card);
    border: 1px solid var(--wfp-border);
    border-radius: var(--wfp-radius);
    box-shadow: var(--wfp-shadow);
    margin-bottom: 40px;
}

.wfp-code-tabs {
    display: flex;
    border-bottom: 1px solid var(--wfp-border);
    padding: 0 16px;
    gap: 0;
}

.wfp-code-tab {
    padding: 12px 16px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--wfp-text-m);
    cursor: pointer;
    border: none;
    background: transparent;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.wfp-code-tab:hover {
    color: var(--wfp-primary);
}

.wfp-code-tab.active {
    color: var(--wfp-primary);
    border-bottom-color: var(--wfp-primary);
}

.wfp-code-content {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wfp-code-block {
    width: 100%;
    box-sizing: border-box;
    background: #1e293b;
    color: #e2e8f0;
    border-radius: var(--wfp-radius-s);
    padding: 16px 18px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.83rem;
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-all;
    overflow-x: auto;
    margin: 0;
}

.wfp-copy-btn {
    align-self: flex-end;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: var(--wfp-primary);
    color: #fff;
    border: none;
    border-radius: var(--wfp-radius-s);
    padding: 9px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    white-space: nowrap;
}

.wfp-copy-btn:hover {
    background: var(--wfp-primary-d);
    transform: translateY(-1px);
}

.wfp-copy-btn .material-icons {
    font-size: 16px;
}

.wfp-code-pane {
    display: none;
}

.wfp-code-pane.active {
    display: block;
}

/* Syntax coloring inside code block */
.wfp-code-block .wfp-c-prop {
    color: #93c5fd;
}

.wfp-code-block .wfp-c-val {
    color: #86efac;
}

.wfp-code-block .wfp-c-str {
    color: #fcd34d;
}

.wfp-code-block .wfp-c-tag {
    color: #f9a8d4;
}

.wfp-code-block .wfp-c-url {
    color: #6ee7b7;
}

/* ═══════════════════════════════════════
   Toast
   ═══════════════════════════════════════ */
.wfp-toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--wfp-text);
    color: #fff;
    padding: 11px 22px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    pointer-events: none;
    white-space: nowrap;
}

.wfp-toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* ═══════════════════════════════════════
   SEO Content
   ═══════════════════════════════════════ */
.wfp-seo {
    margin-top: 48px;
}

.wfp-seo-section {
    margin-bottom: 32px;
}

.wfp-seo-section h2 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--wfp-text);
    border-left: 4px solid var(--wfp-primary);
    padding-left: 12px;
    margin: 0 0 12px;
}

.wfp-seo-section p,
.wfp-seo-section li {
    font-size: 0.92rem;
    color: var(--wfp-text-m);
    line-height: 1.85;
}

.wfp-seo-section ul,
.wfp-seo-section ol {
    padding-left: 1.4em;
    margin: 8px 0;
}

.wfp-pair-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 12px 0 0;
}

.wfp-pair-item {
    background: var(--wfp-bg);
    border: 1px solid var(--wfp-border);
    border-radius: var(--wfp-radius-s);
    padding: 10px 14px;
}

.wfp-pair-item strong {
    display: block;
    font-size: 0.85rem;
    color: var(--wfp-primary-d);
    margin-bottom: 2px;
}

.wfp-pair-item span {
    font-size: 0.78rem;
    color: var(--wfp-text-m);
}

/* ═══════════════════════════════════════
   Responsive
   ═══════════════════════════════════════ */
@media (max-width: 900px) {

    .wfp-compare-grid[data-slots="3"],
    .wfp-compare-grid[data-slots="4"] {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {

    .wfp-compare-grid[data-slots="2"],
    .wfp-compare-grid[data-slots="3"],
    .wfp-compare-grid[data-slots="4"] {
        grid-template-columns: 1fr;
    }

    .wfp-params-grid {
        grid-template-columns: 1fr 1fr;
    }

    .wfp-controls {
        padding: 14px 16px;
    }

    .wfp-code-content {
        flex-direction: column;
    }

    .wfp-copy-btn {
        align-self: flex-end;
    }
}