/* ============================================
   Perde Trainer — Perde Eğitmeni
   Real-time oud note recognition & practice
   ============================================ */

.perde-trainer {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    padding: var(--space-6);
    max-width: 900px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

/* ─── Mode Selector (pill tabs) ─── */
.pt-mode-bar {
    display: flex;
    gap: var(--space-2);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 4px;
    backdrop-filter: blur(20px);
}

.pt-mode-btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 12px;
    background: transparent;
    color: var(--text-secondary);
    font: 500 13px/1.2 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.pt-mode-btn:hover {
    color: var(--text-primary);
    background: var(--bg-glass-hover);
}

.pt-mode-btn.active {
    background: var(--accent-glow-strong);
    color: var(--accent-primary);
    border: 1px solid var(--border-glass-accent);
    box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.15);
}

.pt-mode-btn .mode-icon {
    font-size: 16px;
}

/* ─── Main Display Area ─── */
.pt-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-6);
}

/* ─── Large Perde Name ─── */
.pt-perde-name {
    font: 600 56px/1.1 'Playfair Display', serif;
    color: var(--text-primary);
    text-align: center;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    letter-spacing: -1px;
}

.pt-perde-name.detected {
    color: var(--accent-primary);
    text-shadow: 0 0 40px rgba(var(--accent-primary-rgb), 0.3);
}

.pt-perde-name.success {
    color: var(--success);
    text-shadow: 0 0 40px var(--success-glow);
    animation: pt-success-pulse 0.6s ease;
}

@keyframes pt-success-pulse {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.08);
    }

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

.pt-perde-sub {
    font: 400 16px/1.4 'Inter', sans-serif;
    color: var(--text-secondary);
    text-align: center;
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.pt-perde-sub span {
    background: var(--bg-glass);
    padding: 4px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-glass);
}

/* ─── Intonation Gauge ─── */
.pt-gauge-wrap {
    position: relative;
    width: 280px;
    height: 160px;
}

.pt-gauge-svg {
    width: 100%;
    height: 100%;
}

.pt-gauge-arc-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 18;
    stroke-linecap: round;
}

.pt-gauge-arc-green {
    fill: none;
    stroke: rgba(74, 222, 128, 0.3);
    stroke-width: 18;
    stroke-linecap: round;
}

.pt-gauge-arc-yellow {
    fill: none;
    stroke: rgba(251, 191, 36, 0.15);
    stroke-width: 18;
    stroke-linecap: round;
}

.pt-gauge-needle {
    fill: var(--accent-primary);
    transform-box: view-box;
    transform-origin: 140px 140px;
    filter: drop-shadow(0 0 8px rgba(var(--accent-primary-rgb), 0.5));
}

.pt-gauge-center {
    fill: var(--bg-deep);
    stroke: var(--border-glass);
    stroke-width: 2;
}

.pt-gauge-label {
    font: 600 24px/1 'JetBrains Mono', monospace;
    fill: var(--text-primary);
    text-anchor: middle;
}

.pt-gauge-unit {
    font: 400 11px/1 'Inter', sans-serif;
    fill: var(--text-muted);
    text-anchor: middle;
}

.pt-gauge-flat,
.pt-gauge-sharp {
    font: 500 11px/1 'Inter', sans-serif;
    fill: var(--text-muted);
}

/* ─── Fingerboard SVG ─── */
.pt-fingerboard-wrap {
    width: 100%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: var(--space-4);
    backdrop-filter: blur(20px);
    overflow-x: auto;
}

.pt-fingerboard-svg {
    width: 100%;
    height: 220px;
}

.pt-fb-string {
    stroke: rgba(255, 255, 255, 0.15);
    stroke-width: 1.5;
}

.pt-fb-string:nth-child(1) {
    stroke-width: 2.5;
    stroke: rgba(255, 255, 255, 0.2);
}

.pt-fb-string:nth-child(6) {
    stroke-width: 1;
}

.pt-fb-nut {
    stroke: var(--accent-primary);
    stroke-width: 3;
}

.pt-fb-fret {
    stroke: rgba(255, 255, 255, 0.06);
    stroke-width: 1;
}

.pt-fb-dot {
    fill: rgba(255, 255, 255, 0.08);
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pt-fb-dot:hover {
    fill: rgba(var(--accent-primary-rgb), 0.2);
    stroke: var(--accent-primary);
}

.pt-fb-dot.active {
    fill: var(--accent-primary);
    stroke: var(--accent-primary);
    filter: drop-shadow(0 0 12px rgba(var(--accent-primary-rgb), 0.6));
    animation: pt-dot-pulse 1.5s ease infinite;
}

.pt-fb-dot.target {
    fill: rgba(74, 222, 128, 0.3);
    stroke: var(--success);
    stroke-width: 2;
    animation: pt-dot-pulse 1.2s ease infinite;
}

.pt-fb-dot.success {
    fill: var(--success);
    stroke: var(--success);
    filter: drop-shadow(0 0 16px var(--success-glow));
}

@keyframes pt-dot-pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.pt-fb-label {
    font: 500 9px/1 'Inter', sans-serif;
    fill: var(--text-muted);
    text-anchor: middle;
    pointer-events: none;
}

.pt-fb-string-label {
    font: 600 11px/1 'Inter', sans-serif;
    fill: var(--text-secondary);
    text-anchor: end;
}

/* ─── Target Practice Panel ─── */
.pt-target-panel {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: var(--space-5);
    backdrop-filter: blur(20px);
}

.pt-target-info {
    flex: 1;
}

.pt-target-label {
    font: 400 12px/1.4 'Inter', sans-serif;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.pt-target-name {
    font: 600 28px/1.2 'Playfair Display', serif;
    color: var(--success);
}

.pt-difficulty-pills {
    display: flex;
    gap: var(--space-2);
}

.pt-diff-btn {
    padding: 6px 14px;
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    background: transparent;
    color: var(--text-secondary);
    font: 500 12px/1.2 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pt-diff-btn:hover {
    background: var(--bg-glass-hover);
}

.pt-diff-btn.active {
    background: var(--accent-glow);
    color: var(--accent-primary);
    border-color: var(--border-glass-accent);
}

/* ─── Scale Practice ─── */
.pt-scale-bar {
    display: flex;
    gap: 4px;
    padding: var(--space-3);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    overflow-x: auto;
}

.pt-scale-note {
    padding: 8px 14px;
    border-radius: 8px;
    font: 500 13px/1.2 'Inter', sans-serif;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.pt-scale-note.current {
    background: var(--accent-glow-strong);
    color: var(--accent-primary);
    border-color: var(--border-glass-accent);
}

.pt-scale-note.done {
    color: var(--success);
    border-color: rgba(74, 222, 128, 0.2);
}

.pt-scale-note.done::after {
    content: ' ✓';
    font-size: 11px;
}

/* ─── Stats Bar ─── */
.pt-stats {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.pt-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    font: 500 13px/1.2 'Inter', sans-serif;
    color: var(--text-secondary);
}

.pt-stat-value {
    color: var(--accent-primary);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
}

/* ─── Controls ─── */
.pt-controls {
    display: flex;
    gap: var(--space-3);
    justify-content: center;
}

.pt-btn {
    padding: 12px 28px;
    border-radius: 14px;
    border: 1px solid var(--border-glass-accent);
    background: var(--accent-glow);
    color: var(--accent-primary);
    font: 600 14px/1.2 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.pt-btn:hover {
    background: var(--accent-glow-strong);
    box-shadow: 0 0 30px rgba(var(--accent-primary-rgb), 0.15);
    transform: translateY(-1px);
}

.pt-btn.listening {
    background: rgba(74, 222, 128, 0.15);
    border-color: rgba(74, 222, 128, 0.3);
    color: var(--success);
    animation: pt-listen-glow 2s ease infinite;
}

@keyframes pt-listen-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(74, 222, 128, 0.1);
    }

    50% {
        box-shadow: 0 0 30px rgba(74, 222, 128, 0.25);
    }
}

.pt-btn-secondary {
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--border-glass);
    background: var(--bg-glass);
    color: var(--text-secondary);
    font: 500 13px/1.2 'Inter', sans-serif;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pt-btn-secondary:hover {
    background: var(--bg-glass-hover);
    color: var(--text-primary);
}

/* ─── Waiting State ─── */
.pt-waiting {
    font: 400 15px/1.5 'Inter', sans-serif;
    color: var(--text-muted);
    text-align: center;
    padding: var(--space-6);
}

/* ─── Makam Selector for Scale mode ─── */
.pt-makam-select {
    padding: 8px 14px;
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    background: var(--bg-glass);
    color: var(--text-primary);
    font: 500 13px/1.2 'Inter', sans-serif;
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.pt-makam-select option {
    background: #1a1a2e;
    color: var(--text-primary);
}

/* ─── Mic Selector + Level Bar ─── */
.pt-mic-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    backdrop-filter: blur(20px);
}

.pt-mic-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.pt-mic-label {
    font: 500 12px/1.2 'Inter', sans-serif;
    color: var(--text-secondary);
    white-space: nowrap;
}

.pt-level-bar-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.pt-level-label {
    font: 600 9px/1 'Inter', sans-serif;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.pt-level-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 3px;
    overflow: hidden;
}

.pt-level-fill {
    height: 100%;
    width: 0%;
    background: rgba(212, 165, 116, 0.5);
    border-radius: 3px;
    transition: width 0.08s ease-out, background 0.2s ease;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .perde-trainer {
        padding: var(--space-4);
        gap: var(--space-4);
    }

    .pt-perde-name {
        font-size: 40px;
        min-height: 60px;
    }

    .pt-gauge-wrap {
        width: 220px;
        height: 130px;
    }

    .pt-target-panel {
        flex-direction: column;
        text-align: center;
    }

    .pt-mode-btn {
        padding: 8px 10px;
        font-size: 12px;
    }
}