/* ============================================================
   Spiredle — Wordle-inspired Slay the Spire 2 Card Guessing Game
   ============================================================ */

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

:root {
    --tile-size: 62px;
    --gap: 5px;
    --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* Default dark theme */
:root {
    --bg: #121213;
    --surface: #1a1a2e;
    --text: #ffffff;
    --text-dim: #888;
    --border: #3a3a3c;
    --green: #538d4e;
    --yellow: #b59f3b;
    --gray: #3a3a3c;
}

[data-theme="light"] {
    --bg: #f8f8f8;
    --surface: #ffffff;
    --text: #1a1a1a;
    --text-dim: #999;
    --border: #d3d3d6;
    --green: #6aaa64;
    --yellow: #c9b458;
    --gray: #d3d3d6;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    -webkit-font-smoothing: antialiased;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: 500px;
    padding: 20px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* --- Header --- */
.header {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    margin-bottom: 16px;
}

.header-top {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 12px;
    margin-bottom: 2px;
}

.title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    line-height: 1.2;
}

.subtitle {
    font-size: 11px;
    color: var(--text-dim);
    margin-bottom: 8px;
}

.subtitle .date-display {
    font-size: 11px;
    color: var(--text-dim);
    font-weight: 500;
    margin-left: 8px;
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 8px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.mode-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 6px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}

.mode-btn:first-child {
    border-right: 1px solid var(--border);
}

.mode-btn:hover {
    color: var(--text);
    background: var(--gray);
}

.mode-btn.mode-active {
    background: var(--green);
    color: #fff;
}

/* Streak Display */
.streak-display {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--yellow);
}

.streak-icon {
    font-size: 16px;
}

/* Toolbar */
.toolbar {
    display: flex;
    align-items: center;
    gap: 2px;
    justify-content: center;
}

.toolbar-spacer {
    flex: 1;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 6px;
    border-radius: 8px;
    transition: background 0.15s, color 0.15s;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--gray);
    color: var(--text);
}

.btn-icon svg {
    display: block;
}

/* --- Board --- */
.board-container {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-bottom: 24px;
}

.board {
    display: grid;
    grid-template-rows: repeat(6, var(--tile-size));
    gap: var(--gap);
}

/* --- Row --- */
.row {
    display: grid;
    grid-template-columns: repeat(6, var(--tile-size));
    gap: var(--gap);
}

/* --- Tile --- */
.tile {
    width: var(--tile-size);
    height: var(--tile-size);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    text-transform: capitalize;
    border: 2px solid var(--border);
    border-radius: 4px;
    background: transparent;
    color: var(--text);
    transition: transform 0.3s, background 0.3s, border-color 0.3s;
    text-align: center;
    padding: 2px;
    word-break: break-word;
    line-height: 1.2;
}

.tile-empty {
    border-color: var(--border);
}

.tile-correct {
    background: var(--green);
    border-color: var(--green);
    color: #fff;
}

.tile-yellow {
    background: var(--yellow);
    border-color: var(--yellow);
    color: #fff;
}

.tile-absent {
    background: var(--gray);
    border-color: var(--gray);
    color: #fff;
}

.tile-pop {
    animation: pop 0.2s ease;
}

@keyframes pop {
    0% {
        transform: scale(0.8);
    }

    50% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

/* Tile labels */
.tile-label {
    font-size: 9px;
    color: var(--text-dim);
    display: block;
    text-align: center;
    margin-bottom: 4px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- Input --- */
.input-container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
}

.selected-card-name {
    font-size: 13px;
    color: var(--text-dim);
    min-height: 18px;
    transition: color 0.2s;
}

.selected-card-name.has-card {
    color: var(--green);
    font-weight: 600;
}

/* --- Card Picker Modal --- */
.card-picker-modal {
    max-width: 820px;
    width: 95%;
    max-height: 85vh;
    padding: 20px;
}

.card-picker-modal h2 {
    text-align: center;
    margin-bottom: 12px;
    font-size: 18px;
}

.picker-search-wrap {
    position: relative;
    margin-bottom: 12px;
}

.picker-search {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    outline: none;
    font-family: var(--font);
    transition: border-color 0.15s;
}

.picker-search:focus {
    border-color: var(--green);
}

.picker-count {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--text-dim);
}

.picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
    gap: 5px;
    max-height: 55vh;
    overflow-y: auto;
    padding: 4px;
}

.picker-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    background: transparent;
    color: var(--text);
    font-family: var(--font);
    text-align: center;
}

.picker-card:hover {
    border-color: var(--green);
    background: rgba(83, 141, 78, 0.1);
}

.picker-card.selected {
    border-color: var(--green);
    background: rgba(83, 141, 78, 0.15);
}

.picker-card-img {
    width: 48px;
    height: 67px;
    object-fit: cover;
    border-radius: 4px;
    background: var(--bg);
}

.picker-card-name {
    font-size: 10px;
    font-weight: 600;
    line-height: 1.15;
    word-break: break-word;
}

.picker-card-id {
    font-size: 8px;
    color: var(--text-dim);
}

/* --- Guess Button --- */
.btn-guess {
    width: 100%;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 700;
    border: none;
    border-radius: 8px;
    background: var(--green);
    color: #fff;
    cursor: pointer;
    transition: background 0.15s, opacity 0.15s, transform 0.15s;
    font-family: var(--font);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-guess:hover {
    opacity: 0.9;
}

.btn-guess:disabled {
    background: var(--gray);
    cursor: not-allowed;
    opacity: 0.5;
}

/* --- Hint --- */
.hint {
    min-height: 20px;
    font-size: 13px;
    color: #f87171;
    text-align: center;
    margin-bottom: 8px;
}

/* --- Result --- */
.result {
    text-align: center;
    font-size: 16px;
    min-height: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.result .btn-share {
    padding: 8px 24px;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 20px;
    background: var(--green);
    color: #fff;
    cursor: pointer;
    font-family: var(--font);
    transition: opacity 0.15s;
}

.result .btn-share:hover {
    opacity: 0.9;
}

.result-buttons {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

#revealBtn {
    background: var(--gray);
}

.result .card-reveal {
    margin: 8px 0;
    padding: 12px 20px;
    background: var(--surface);
    border-radius: 8px;
    display: inline-block;
    position: relative;
}

/* Past challenge: blurred answer with click-to-reveal overlay */
.result .card-reveal.blurred {
    filter: blur(8px);
    pointer-events: none;
    user-select: none;
    cursor: pointer;
    transition: filter 0.3s;
}

.result .card-reveal.blurred .past-reveal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    filter: none;
    z-index: 5;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.1);
}

.result .card-reveal.blurred .past-reveal-text {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    background: var(--surface);
    padding: 10px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

.result .card-reveal:not(.blurred) .past-reveal-overlay {
    display: none;
}

.result .card-reveal .card-name {
    font-size: 18px;
    font-weight: 700;
}

.result .card-reveal .card-detail {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* Reveal card image */
.reveal-card-img {
    width: 72px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    background: var(--bg);
    margin-bottom: 8px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--surface);
    border-radius: 12px;
    padding: 28px 24px;
    max-width: 400px;
    width: 90%;
    position: relative;
    max-height: 80vh;
    overflow-y: auto;
}

.modal h2 {
    font-size: 20px;
    margin-bottom: 16px;
    text-align: center;
}

.modal p {
    font-size: 14px;
    color: var(--text);
    line-height: 1.6;
    margin-bottom: 10px;
}

.modal p strong {
    color: var(--text);
}

.btn-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
}

.btn-close:hover {
    color: var(--text);
}

/* Help examples */
.help-examples {
    margin: 16px 0;
}

.help-row {
    display: flex;
    gap: 4px;
    margin-bottom: 4px;
}

.help-row .tile {
    width: 32px;
    height: 32px;
    font-size: 12px;
    font-weight: 700;
}

.help-examples p {
    font-size: 13px;
    margin-bottom: 12px;
    color: var(--text-dim);
}

/* Language Selector */
.lang-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 8px;
}

.lang-btn {
    padding: 10px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    font-family: var(--font);
}

.lang-btn:hover {
    background: var(--gray);
    border-color: var(--text-dim);
}

.lang-btn.active {
    border-color: var(--green);
    background: rgba(83, 141, 78, 0.2);
}

/* Theme Selector */
.theme-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 8px;
}

.theme-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 600;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    font-family: var(--font);
}

.theme-btn svg {
    flex-shrink: 0;
}

.theme-btn:hover {
    background: var(--gray);
    border-color: var(--text-dim);
}

.theme-btn.active {
    border-color: var(--green);
    background: rgba(83, 141, 78, 0.15);
}

.theme-label {
    font-size: 13px;
    font-weight: 400;
    color: var(--text-dim);
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    text-align: center;
    margin: 16px 0;
}

.stat-item {
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.stat-item .stat-value {
    font-size: 28px;
    font-weight: 800;
}

.stat-item .stat-label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    margin-top: 4px;
}

/* --- Responsive --- */
@media (max-width: 480px) {
    :root {
        --tile-size: 48px;
    }

    .title {
        font-size: 24px;
    }

    .header-controls .btn-icon {
        font-size: 16px;
        padding: 4px;
    }

    .guess-input {
        font-size: 14px;
        padding: 10px 12px;
    }

    .btn-guess {
        padding: 10px 16px;
        font-size: 13px;
    }

    .tile {
        font-size: 11px;
    }
}

@media (max-width: 360px) {
    :root {
        --tile-size: 40px;
    }

    .tile {
        font-size: 10px;
    }
}

/* --- Translation Reference Modal --- */
.ref-modal {
    max-width: 500px;
    max-height: 85vh;
}

.ref-content {
    max-height: 55vh;
    overflow-y: auto;
}

/* History list */
.history-list {
    max-height: 55vh;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    border-radius: 6px;
    gap: 8px;
}

.history-date {
    font-weight: 600;
    color: var(--text);
    min-width: 90px;
    cursor: pointer;
    padding: 4px 0;
}

.history-date:hover {
    color: var(--accent);
}

.history-answer {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.answer-mask {
    display: inline-block;
    width: 28px;
    height: 24px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
    vertical-align: middle;
}

.answer-mask.blurred {
    pointer-events: auto;
    user-select: none;
    color: var(--text-dim);
    background-color: var(--surface);
    background-image: url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 16 16' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='8' height='8' fill='%23ffffff08'/%3E%3Crect x='8' y='8' width='8' height='8' fill='%23ffffff08'/%3E%3Crect x='8' width='8' height='8' fill='%2300000006'/%3E%3Crect y='8' width='8' height='8' fill='%2300000006'/%3E%3C/svg%3E");
    background-size: 16px 16px;
    border: 2px solid var(--border);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.08);
}

.answer-mask.blurred:hover {
    background-color: var(--tile-border);
    border-color: var(--accent);
    box-shadow: inset 0 0 0 1px var(--accent);
}

.answer-revealed {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.answer-revealed .answer-id {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.5px;
}

.answer-revealed .answer-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.history-status {
    min-width: 30px;
    text-align: center;
}

.history-badge {
    min-width: 24px;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
}

.history-badge-pass {
    color: var(--green);
}

.history-badge-fail {
    color: var(--text-dim);
}

.ref-section-title {
    font-size: 15px;
    font-weight: 700;
    margin: 16px 0 6px;
    color: var(--text);
    border-bottom: 1px solid var(--border);
    padding-bottom: 4px;
}

.ref-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-bottom: 8px;
}

.ref-table th {
    text-align: left;
    padding: 4px 8px;
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.ref-table td {
    padding: 4px 8px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

.ref-table tr:hover td {
    background: rgba(128, 128, 128, 0.08);
}

.ref-key {
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: var(--text-dim);
}

/* Light theme: better modal contrast */
[data-theme="light"] .modal {
    border: 1px solid var(--border);
}

[data-theme="light"] .ref-table td {
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

/* Reference legend */

.ref-emoji {
    font-size: 20px;
    line-height: 1;
}