/* public/css/riddles.css — public-facing Riddles styling.
 *
 * Card layout for each riddle, smooth disclosure for hint/answer, token
 * badge + progress strip on top, difficulty pills. Dark-theme aware via
 * the existing CSS vars. Print CSS hides interactive controls and
 * auto-reveals the answer on the static answer page.
 */

.rd-solver { margin: 16px 0; }

/* ===== Controls (progress + tokens + inline messages) ==================== */

.rd-solver-controls {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 14px;
    background: var(--background-alt, #f9fafb);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    margin-bottom: 14px;
}
.rd-solver-status {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 14px;
}
.rd-solver-spacer { flex: 1 1 auto; }
.rd-solver-progress strong { color: var(--primary-color, #2563eb); font-variant-numeric: tabular-nums; }
.rd-solver-tokens {
    padding: 4px 10px;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 999px;
    font-size: 13px;
}
.rd-solver-tokens strong { color: var(--primary-color, #2563eb); }
.rd-solver-msg {
    padding: 8px 12px;
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
    border-radius: 6px;
    font-size: 14px;
}
.rd-solver-msg[data-state="fail"] { background: #fee2e2; color: #991b1b; border-color: #fecaca; }
.rd-solver-msg[data-state="info"] { background: #eff6ff; color: #1e40af; border-color: #bfdbfe; }
[data-theme="dark"] .rd-solver-msg { background: rgba(16, 185, 129, 0.12); color: #a7f3d0; border-color: rgba(16, 185, 129, 0.35); }

/* ===== Difficulty pills (shared with admin) ============================== */

.rd-diff-easy,   .rd-card-diff.rd-diff-easy   { background: #dcfce7; color: #065f46; }
.rd-diff-medium, .rd-card-diff.rd-diff-medium { background: #fef3c7; color: #92400e; }
.rd-diff-hard,   .rd-card-diff.rd-diff-hard   { background: #fee2e2; color: #991b1b; }
.rd-card-diff, .rd-answer-diff {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 999px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.05em;
}

/* ===== Riddle cards ====================================================== */

.rd-cards {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.rd-card {
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    background: var(--card-bg, #fff);
    overflow: hidden;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}
.rd-card.rd-card-solved   { border-color: #10b981; }
.rd-card.rd-card-revealed { border-color: #f59e0b; }
.rd-card.rd-card-wrong    { border-color: #ef4444; }

.rd-card-head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--background-alt, #f9fafb);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    font-size: 12px;
}
.rd-card-num {
    font-weight: 700;
    color: var(--text-color, #374151);
    background: var(--border-color, #e5e7eb);
    padding: 2px 8px;
    border-radius: 999px;
    min-width: 30px;
    text-align: center;
}
.rd-card-status {
    font-size: 11px;
    color: var(--text-light, #6b7280);
    font-weight: 600;
}
.rd-card.rd-card-solved   .rd-card-status { color: #065f46; }
.rd-card.rd-card-revealed .rd-card-status { color: #92400e; }
.rd-card.rd-card-wrong    .rd-card-status { color: #991b1b; }

.rd-card-text {
    padding: 14px 16px;
    margin: 0;
    font-size: 16px;
    line-height: 1.55;
    color: var(--text-color, #111827);
    font-style: italic;
}

/* Input row */
.rd-card-input {
    display: flex;
    gap: 8px;
    padding: 0 14px 12px;
    align-items: center;
}
.rd-card-guess {
    flex: 1 1 auto;
    padding: 8px 12px;
    font: inherit;
    font-size: 15px;
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: 6px;
    background: var(--card-bg, #fff);
    color: var(--text-color, #111827);
}
.rd-card-guess:focus { border-color: var(--primary-color, #2563eb); outline: none; box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1); }
.rd-btn-check {
    padding: 8px 14px;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    border: 1px solid var(--primary-color, #2563eb);
    background: var(--primary-color, #2563eb);
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
    transition: background 120ms ease;
}
.rd-btn-check:hover { background: var(--secondary-color, #1d4ed8); }

/* Hint + answer disclosures */
.rd-card-hint, .rd-card-answer {
    margin: 0 14px 12px;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
    line-height: 1.5;
}
.rd-card-hint {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}
.rd-card-answer {
    background: #dbeafe;
    color: #1e3a8a;
    border: 1px solid #bfdbfe;
}
.rd-card-explanation {
    margin: 6px 0 0;
    font-size: 13px;
    font-style: italic;
    color: #3730a3;
}
[data-theme="dark"] .rd-card-hint   { background: rgba(245, 158, 11, 0.15); color: #fde68a; border-color: rgba(245, 158, 11, 0.35); }
[data-theme="dark"] .rd-card-answer { background: rgba(37, 99, 235, 0.15);  color: #bfdbfe; border-color: rgba(37, 99, 235, 0.35); }
[data-theme="dark"] .rd-card-explanation { color: #93c5fd; }

/* Action buttons (hint + reveal) */
.rd-card-actions {
    display: flex;
    gap: 8px;
    padding: 0 14px 14px;
    flex-wrap: wrap;
}
.rd-btn-hint, .rd-btn-reveal {
    padding: 6px 12px;
    font: inherit;
    font-size: 13px;
    border: 1px solid var(--border-color, #d1d5db);
    background: var(--card-bg, #fff);
    color: var(--text-color, #374151);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 120ms ease, background 120ms ease;
}
.rd-btn-hint:hover:not(:disabled),
.rd-btn-reveal:hover:not(:disabled) {
    border-color: var(--primary-color, #2563eb);
    color: var(--primary-color, #2563eb);
}
.rd-btn-hint:disabled, .rd-btn-reveal:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.rd-btn-hint small, .rd-btn-reveal small {
    color: var(--text-light, #6b7280);
    font-weight: 400;
    margin-left: 2px;
}

/* Footer */
.rd-solver-footer { margin-top: 14px; text-align: center; }
.rd-btn-reset {
    padding: 6px 14px;
    font: inherit;
    font-size: 12px;
    border: 1px solid var(--border-color, #d1d5db);
    background: transparent;
    color: var(--text-light, #6b7280);
    border-radius: 4px;
    cursor: pointer;
}
.rd-btn-reset:hover { border-color: #ef4444; color: #991b1b; }

/* ===== Answers page (static, printable) ================================== */

.rd-answers {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 16px 0;
}
.rd-answer-card {
    padding: 14px 16px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    background: var(--card-bg, #fff);
}
.rd-answer-head {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
    font-size: 12px;
}
.rd-answer-num {
    font-weight: 700;
    color: var(--text-color, #374151);
    background: var(--border-color, #e5e7eb);
    padding: 2px 8px;
    border-radius: 999px;
    min-width: 30px;
    text-align: center;
}
.rd-answer-text {
    font-style: italic;
    color: var(--text-color, #111827);
    margin: 0 0 8px;
    font-size: 15px;
}
.rd-answer-solution {
    margin: 0;
    font-size: 14px;
    color: var(--primary-color, #1e40af);
}
.rd-answer-explanation {
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--text-light, #6b7280);
}

/* ===== Sudoku-list-style hub list ======================================== */

.riddles-list {
    list-style: none;
    margin: 16px 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 10px;
}
.riddles-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 14px;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 8px;
    transition: border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}
.riddles-list-item:hover {
    border-color: var(--primary-color, #2563eb);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md, 0 4px 10px rgba(0, 0, 0, 0.08));
}
.riddles-list-title {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: var(--primary-color, #2563eb);
    flex: 1 1 auto;
}
.riddles-list-title:hover strong { text-decoration: underline; }
.riddles-list-title strong { font-size: 15px; }
.riddles-list-title small {
    font-size: 11px;
    color: var(--text-light, #6b7280);
    margin-top: 4px;
    font-weight: 400;
    display: inline-flex;
    gap: 2px;
    flex-wrap: wrap;
    align-items: center;
}
.riddles-list-mix {
    background: var(--background-alt, #f3f4f6);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-family: Menlo, Consolas, monospace;
}
.riddles-list-answers {
    font-size: 12px;
    color: var(--text-light, #6b7280);
    text-decoration: none;
    padding: 4px 10px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 999px;
    white-space: nowrap;
    margin-left: 8px;
}
.riddles-list-answers::before { content: "→ "; }
.riddles-list-answers:hover { color: var(--primary-color, #2563eb); border-color: var(--primary-color, #2563eb); }

/* ===== Riddle of the day ================================================= */

.riddle-of-day {
    padding: 14px 18px;
    border-left: 4px solid var(--primary-color, #2563eb);
    background: var(--background-alt, #f9fafb);
    border-radius: 6px;
    margin: 16px 0;
}
.riddle-of-day-h {
    margin: 0 0 6px;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light, #6b7280);
    font-weight: 700;
}
.riddle-of-day-link {
    text-decoration: none;
    color: var(--primary-color, #2563eb);
    font-size: 16px;
    display: block;
}
.riddle-of-day-preview {
    margin: 6px 0 4px;
    font-style: italic;
    color: var(--text-color, #111827);
    font-size: 14px;
    line-height: 1.4;
}
.riddle-of-day-meta {
    display: block;
    font-size: 11px;
    color: var(--text-light, #6b7280);
}

/* ===== Print — show everything, hide interactive bits ==================== */

@media print {
    .rd-solver-controls,
    .rd-card-input,
    .rd-card-actions,
    .rd-solver-footer { display: none !important; }

    /* Auto-reveal answers on the interactive page too when printing, so
       a printed page is useful standalone. */
    .rd-card-answer { display: block !important; }
    .rd-card { break-inside: avoid; margin-bottom: 10pt; }
    .rd-answer-card { break-inside: avoid; margin-bottom: 10pt; }
}