/* ============================================
   ORDER OF SHARPS AND FLATS - PAGE STYLES
   ============================================ */

/* Order Display */
.order-display {
    padding: 24px;
}

.order-view.hidden {
    display: none;
}

.order-sequence {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.order-note {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 12px;
    min-width: 60px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.order-note:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.order-note.active {
    background: var(--primary);
    border-color: var(--primary);
}

.order-note.active .note-letter,
.order-note.active .note-word {
    color: white;
}

.order-note.highlighted {
    background: rgba(20, 184, 166, 0.15);
    border-color: var(--primary);
}

.note-letter {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
}

.note-word {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-light);
    margin-top: 4px;
}

/* Mnemonic Display */
.mnemonic-display {
    text-align: center;
    padding: 16px;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.08), rgba(8, 145, 178, 0.05));
    border-radius: 12px;
}

.mnemonic-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    margin-bottom: 6px;
}

.mnemonic-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    font-style: italic;
}

/* Key Selector Panel */
.key-selector-panel {
    padding: 20px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.panel-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    text-align: center;
}

.key-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.key-btn {
    padding: 10px 16px;
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 70px;
}

.key-btn:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
}

.key-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.key-btn .key-name {
    font-size: 15px;
    font-weight: 700;
}

.key-btn .key-count {
    font-size: 11px;
    opacity: 0.7;
    margin-top: 2px;
}

.key-btn.active .key-count {
    opacity: 0.9;
}

/* Selected Key Info */
.selected-key-info {
    padding: 20px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.placeholder-text {
    color: var(--text-light);
    font-size: 14px;
}

.key-result {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.key-result-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

.accidentals-display {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.accidental-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg);
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

.accidental-badge.sharp {
    border-color: #ef4444;
    color: #ef4444;
}

.accidental-badge.flat {
    border-color: #3b82f6;
    color: #3b82f6;
}

/* Palindrome Trick Section */
.trick-section {
    padding: 0 20px 24px;
}

.trick-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(234, 179, 8, 0.05));
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 16px;
    overflow: hidden;
}

.trick-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(245, 158, 11, 0.1);
}

.trick-icon {
    font-size: 24px;
}

.trick-header h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

.trick-content {
    padding: 20px;
}

.trick-content p {
    font-size: 15px;
    color: var(--text);
    line-height: 1.6;
    margin: 0 0 16px;
}

.trick-content p:last-child {
    margin-bottom: 0;
}

.palindrome-display {
    background: var(--card);
    border-radius: 12px;
    padding: 20px;
    margin: 16px 0;
}

.palindrome-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 8px 0;
}

.row-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    min-width: 60px;
}

.row-letters {
    font-family: 'SF Mono', monospace;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 8px;
    color: var(--text);
}

.palindrome-arrow {
    font-size: 24px;
    color: var(--primary);
    text-align: center;
    padding: 4px 0;
}

/* Tricks Grid */
.tricks-grid-section {
    padding: 0 20px 24px;
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    text-align: center;
    margin-bottom: 16px;
}

.tricks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.trick-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.trick-item-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
}

.trick-item-header.sharp {
    background: rgba(239, 68, 68, 0.1);
}

.trick-item-header.flat {
    background: rgba(59, 130, 246, 0.1);
}

.trick-symbol {
    font-size: 20px;
    font-weight: 700;
}

.trick-item-header.sharp .trick-symbol {
    color: #ef4444;
}

.trick-item-header.flat .trick-symbol {
    color: #3b82f6;
}

.trick-item-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin: 0;
}

.trick-item-body {
    padding: 16px;
}

.trick-item-body p {
    font-size: 14px;
    color: var(--text);
    line-height: 1.5;
    margin: 0 0 12px;
}

.trick-example {
    background: var(--bg);
    padding: 12px;
    border-radius: 8px;
    margin: 12px 0;
}

.example-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.example-text {
    font-size: 13px;
    color: var(--text);
}

.trick-note {
    font-size: 12px;
    color: var(--text-light);
    font-style: italic;
    margin-top: 8px;
}

/* Alternative Mnemonics Grid */
.mnemonics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.mnemonic-card.alt {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}

.mnemonic-type {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.mnemonic-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.mnemonic-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
    color: var(--text);
    line-height: 1.4;
}

.mnemonic-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

/* Responsive */
@media (max-width: 768px) {
    .order-note {
        padding: 12px 16px;
        min-width: 50px;
    }

    .note-letter {
        font-size: 20px;
    }

    .mnemonic-text {
        font-size: 16px;
    }

    .row-letters {
        font-size: 16px;
        letter-spacing: 4px;
    }

    .key-btn {
        padding: 8px 12px;
        min-width: 60px;
    }

    .key-btn .key-name {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .order-sequence {
        gap: 6px;
    }

    .order-note {
        padding: 10px 12px;
        min-width: 42px;
    }

    .note-letter {
        font-size: 18px;
    }

    .note-word {
        font-size: 9px;
    }

    .palindrome-row {
        flex-direction: column;
        gap: 4px;
    }

    .row-letters {
        letter-spacing: 6px;
    }
}