/* ==========================================================================
   OTHER TOOLS PAGE
   ========================================================================== */

:root { --tool-rgb: var(--tools-rgb); --tool-light-rgb: var(--tools-light-rgb); }

/* ── Tuner ────────────────────────────────────────────────────────────── */
.tuner-panel {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    text-align: center;
    box-shadow: 0 6px 0 rgba(0, 0, 0, .35), var(--shadow-card);
    max-width: 380px;
    margin: 0 auto;
}
.tuner-note { font-family: var(--font-display); font-size: 48px; font-weight: 800; margin-bottom: 4px; }
.tuner-cents { color: var(--text2); font-size: 14px; margin-bottom: 18px; }
.tuner-gauge {
    width: 160px;
    height: 80px;
    margin: 0 auto 18px;
    position: relative;
    overflow: hidden;
}
.tuner-gauge::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 2px solid var(--border2);
    border-bottom: none;
    border-radius: 160px 160px 0 0;
}
.tuner-needle {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 2px;
    height: 74px;
    background: var(--gold);
    transform-origin: bottom center;
    transform: rotate(0deg);
    transition: transform 0.1s linear;
}
.tuner-status { font-size: 13px; color: var(--text2); margin-bottom: 18px; min-height: 18px; }
.tool-btn {
    font-family: var(--font-display);
    font-size: 13.5px;
    font-weight: 700;
    padding: 10px 22px;
    border-radius: 999px;
    background: rgba(var(--tool-rgb), 0.2);
    border: 1px solid rgba(var(--tool-rgb), 0.45);
    color: var(--text);
    cursor: pointer;
    transition: all 0.15s var(--ease);
}
.tool-btn:hover { background: rgba(var(--tool-rgb), 0.32); }

/* ── Metronome ────────────────────────────────────────────────────────── */
.metro-panel {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    text-align: center;
    box-shadow: 0 6px 0 rgba(0, 0, 0, .35), var(--shadow-card);
    max-width: 340px;
    margin: 0 auto;
}
.metro-dot {
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--border2);
    margin: 0 auto 18px;
    transition: background 0.08s, box-shadow 0.08s;
}
.metro-dot--flash { background: var(--gold); box-shadow: 0 0 14px rgba(255,209,102,0.7); }
.metro-scale { margin: 0 0 22px; }
.metro-slider-wrap { position: relative; margin-bottom: 8px; }
.metro-snap-mark {
    position: absolute;
    left: var(--snap-pos, 0%);
    top: 50%;
    width: 3px;
    height: 12px;
    transform: translate(-50%, -50%);
    background: var(--gold);
    opacity: 0.55;
    border-radius: 2px;
    pointer-events: none;
}
.metro-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: linear-gradient(to right, rgba(var(--tool-rgb), 0.55) 0%, rgba(var(--tool-rgb), 0.55) var(--metro-fill, 26%), var(--glass-md) var(--metro-fill, 26%), var(--glass-md) 100%);
    outline: none;
    cursor: pointer;
    margin: 0;
    position: relative;
}
.metro-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 8px rgba(255,209,102,0.6);
    border: 2px solid var(--bg, #111);
    cursor: pointer;
    transition: box-shadow 0.15s;
}
.metro-slider:focus-visible {
    outline: 2px solid var(--purple-l);
    outline-offset: 4px;
    border-radius: 999px;
}
.metro-slider:hover::-webkit-slider-thumb,
.metro-slider:active::-webkit-slider-thumb { box-shadow: 0 0 14px rgba(255,209,102,0.85); }
.metro-slider:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--purple-l), 0 0 14px rgba(255,209,102,0.85); }
.metro-slider::-moz-range-track {
    height: 6px;
    border-radius: 999px;
    background: var(--glass-md);
}
.metro-slider::-moz-range-progress {
    height: 6px;
    border-radius: 999px;
    background: rgba(var(--tool-rgb), 0.55);
}
.metro-slider::-moz-range-thumb {
    width: 18px; height: 18px;
    border-radius: 50%;
    background: var(--gold);
    box-shadow: 0 0 8px rgba(255,209,102,0.6);
    border: 2px solid var(--bg, #111);
    cursor: pointer;
}
.metro-slider:focus-visible::-moz-range-thumb { box-shadow: 0 0 0 3px var(--purple-l), 0 0 8px rgba(255,209,102,0.6); }
.metro-scale-ticks {
    display: flex;
    justify-content: space-between;
    font-size: 10.5px;
    color: var(--text3);
    letter-spacing: 0.03em;
    padding: 0 1px;
}
.metro-bpm-row { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 22px; }
.metro-bpm-btn {
    width: 38px; height: 38px;
    border-radius: 10px;
    background: var(--glass-md);
    border: 1px solid var(--glass-border);
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
}
.metro-bpm-btn:hover { background: rgba(var(--tool-rgb), 0.24); }
.metro-bpm-value {
    font-family: var(--font-display);
    font-size: 34px;
    font-weight: 800;
    min-width: 90px;
    width: 90px;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--text);
    padding: 0;
    -moz-appearance: textfield;
    border-bottom: 2px solid transparent;
    transition: border-color 0.15s;
}
.metro-bpm-value:focus { outline: none; border-bottom: 2px solid var(--gold); }
.metro-bpm-value::-webkit-outer-spin-button,
.metro-bpm-value::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.metro-bpm-label { font-size: 11px; color: var(--text3); letter-spacing: 0.06em; text-transform: uppercase; }

/* ── Song Analyzer ────────────────────────────────────────────────────── */
.analyzer-panel {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 30px 24px;
    text-align: center;
    box-shadow: 0 6px 0 rgba(0, 0, 0, .35), var(--shadow-card);
    max-width: 420px;
    margin: 0 auto;
}
.analyzer-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1.5px dashed var(--border2);
    border-radius: var(--radius-lg);
    padding: 30px 16px;
    margin-bottom: 18px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}
.analyzer-dropzone:hover,
.analyzer-dropzone--drag { border-color: rgba(var(--tool-rgb), 0.7); background: rgba(var(--tool-rgb), 0.08); }
.analyzer-dropzone-icon { font-size: 28px; }
.analyzer-dropzone-text { font-size: 13.5px; color: var(--text2); word-break: break-word; }
.analyzer-progress { margin-top: 18px; }
.analyzer-progress-track {
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: var(--glass-md);
    overflow: hidden;
    margin-bottom: 10px;
}
.analyzer-progress-fill {
    height: 100%;
    width: 40%;
    border-radius: 999px;
    background: rgba(var(--tool-rgb), 0.6);
    animation: analyzer-scan 1.1s ease-in-out infinite;
}
@keyframes analyzer-scan {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(250%); }
}
.analyzer-status { font-size: 13px; color: var(--text2); }
.analyzer-results { margin-top: 22px; }
.analyzer-result-row { display: flex; align-items: center; justify-content: center; gap: 36px; margin-bottom: 14px; }
.analyzer-result-value { font-family: var(--font-display); font-size: 34px; font-weight: 800; }
.analyzer-result-label { font-size: 11px; color: var(--text3); letter-spacing: 0.06em; text-transform: uppercase; margin-top: 2px; }
.analyzer-note { font-size: 12px; color: var(--text3); line-height: 1.5; }
.analyzer-error { margin-top: 16px; font-size: 13px; color: #ff8080; }

.analyzer-chords { margin-top: 22px; text-align: left; }
.analyzer-chords-title { font-size: 12px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text3); margin-bottom: 10px; text-align: center; }
.analyzer-chords-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    max-height: 180px;
    overflow-y: auto;
    padding: 4px 2px;
    margin-bottom: 10px;
}
.analyzer-chord-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: var(--glass-md);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 6px 10px;
    min-width: 52px;
}
.analyzer-chord-chip-name { font-family: var(--font-display); font-weight: 800; font-size: 15px; }
.analyzer-chord-chip-time { font-size: 10px; color: var(--text3); }

.analyzer-stems { margin-top: 22px; }
.analyzer-stems-results { margin-top: 16px; text-align: left; }
.analyzer-stem { margin-bottom: 16px; }
.analyzer-stem-label { font-size: 12.5px; font-weight: 700; color: var(--text2); margin-bottom: 6px; }
.analyzer-stem-audio { width: 100%; margin-bottom: 6px; }
.analyzer-stem-download { font-size: 12px; color: rgb(var(--tool-light-rgb)); text-decoration: underline; cursor: pointer; }

@media (max-width: 768px) {
    /* Mobile-only 5% font-size reduction (auto-generated). Desktop keeps
       the original sizes; this block only fires under 768px. */
    .tuner-note { font-size: 45.5px; }
    .tuner-cents { font-size: 13.5px; }
    .tuner-status { font-size: 12.5px; }
    .tool-btn { font-size: 13px; }
    .metro-scale-ticks { font-size: 10px; }
    .metro-bpm-btn { font-size: 17px; }
    .metro-bpm-value { font-size: 32.5px; }
    .metro-bpm-label { font-size: 10.5px; }
    .analyzer-dropzone-icon { font-size: 26.5px; }
    .analyzer-dropzone-text { font-size: 13px; }
    .analyzer-status { font-size: 12.5px; }
    .analyzer-result-value { font-size: 32.5px; }
    .analyzer-result-label { font-size: 10.5px; }
    .analyzer-note { font-size: 11.5px; }
    .analyzer-error { font-size: 12.5px; }
    .analyzer-chords-title { font-size: 11.5px; }
    .analyzer-chord-chip-name { font-size: 14px; }
    .analyzer-chord-chip-time { font-size: 9.5px; }
    .analyzer-stem-label { font-size: 12px; }
    .analyzer-stem-download { font-size: 11.5px; }
}

/* -- Key Analyzer -------------------------------------------------------- */
.key-panel {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 26px 24px;
    box-shadow: 0 6px 0 rgba(0, 0, 0, .35), var(--shadow-card);
    max-width: 680px;
    margin: 0 auto;
    text-align: left;
}
.key-label {
    display: block;
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text3);
    margin-bottom: 8px;
}
.key-input-row { display: flex; gap: 10px; }
.key-input {
    flex: 1;
    min-width: 0;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border2);
    background: rgba(0, 0, 0, 0.28);
    color: var(--text);
}
.key-input::placeholder { color: var(--text3); font-weight: 500; }
.key-input:focus {
    outline: none;
    border-color: rgba(var(--tool-rgb), 0.7);
    box-shadow: 0 0 0 3px rgba(var(--tool-rgb), 0.18);
}
.key-hint { font-size: 12px; color: var(--text3); margin-top: 8px; line-height: 1.5; }
.key-examples { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.key-examples-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); }
.key-example {
    font-family: var(--font-display);
    font-size: 12.5px;
    font-weight: 600;
    padding: 5px 11px;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: var(--glass-md);
    color: var(--text2);
    cursor: pointer;
    transition: all 0.15s var(--ease);
}
.key-example:hover { color: var(--text); border-color: rgba(var(--tool-rgb), 0.6); background: rgba(var(--tool-rgb), 0.14); }

.key-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.key-chips:empty { display: none; }
.key-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 4px 5px 12px;
    border-radius: 8px;
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    background: var(--glass-md);
    border: 1px solid var(--glass-border);
}
.key-chip button {
    background: none;
    border: 0;
    padding: 0 7px;
    font-size: 17px;
    line-height: 1;
    color: var(--text3);
    cursor: pointer;
}
.key-chip button:hover { color: var(--text); }
.key-chip--bad { border-color: rgba(255, 128, 128, 0.55); color: #ff9a9a; }

.key-results { margin-top: 22px; }
.key-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.key-card {
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}
.key-card--main {
    background: linear-gradient(150deg, rgba(var(--tool-rgb), 0.24), rgba(var(--tool-rgb), 0.06));
    border-color: rgba(var(--tool-rgb), 0.55);
}
.key-card-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); }
.key-card-name { font-family: var(--font-display); font-size: 30px; font-weight: 700; margin: 6px 0 2px; }
.key-card-sub { font-size: 13px; color: var(--text2); }
.key-bar { height: 5px; border-radius: 999px; background: var(--glass-md); margin: 12px 0 8px; overflow: hidden; }
.key-bar > span { display: block; height: 100%; background: rgb(var(--tool-light-rgb)); border-radius: 999px; }
.key-card-notes { font-size: 12.5px; color: var(--text3); letter-spacing: 0.04em; word-spacing: 2px; }

.key-others { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 14px; font-size: 13px; color: var(--text2); }
.key-others-label { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); }
.key-others em { font-style: normal; color: var(--text3); }

.key-analysis-title { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text3); margin: 22px 0 10px; }
.key-analysis { display: flex; flex-wrap: wrap; gap: 8px; }
.key-ch {
    min-width: 84px;
    text-align: center;
    padding: 9px 12px;
    border-radius: 10px;
    background: var(--glass-md);
    border: 1px solid var(--glass-border);
}
.key-ch--secdom, .key-ch--borrowed { border-color: rgba(255, 209, 102, 0.45); }
.key-ch--outside { border-color: rgba(255, 128, 128, 0.5); }
.key-ch-name { font-family: var(--font-display); font-weight: 800; font-size: 16px; }
.key-ch-num { font-family: var(--font-display); font-size: 15px; font-weight: 700; color: rgb(var(--tool-light-rgb)); margin-top: 2px; }
.key-ch-num2 { font-size: 11.5px; color: var(--text3); margin-top: 2px; }
.key-ch-tag { font-size: 10.5px; margin-top: 5px; color: #ffd166; }
.key-ch--outside .key-ch-tag { color: #ff9a9a; }
.key-note { font-size: 12px; color: var(--text3); line-height: 1.5; margin: 16px 0 0; }

@media (max-width: 560px) {
    .key-panel { padding: 20px 16px; }
    .key-cards { grid-template-columns: 1fr; }
    .key-card-name { font-size: 26px; }
}