/* Compact effects panel */
.effect-card {
    border: 1px solid #e5e8f0;
    border-radius: 10px;
    background: #f8fafc;
    padding: 8px 12px;
}
.effect-card > summary {
    list-style: none;
    font-weight: 700;
    font-size: 13px;
    color: #1f2933;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}
.effect-card > summary::after {
    content: '▾';
    font-size: 12px;
    color: #64748b;
}
.effect-card[open] > summary::after {
    content: '▴';
}
.effect-card label {
    font-size: 12px;
}
.effect-card input[type="range"],
.effect-card select {
    margin-top: 4px;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #f6f7fb;
    color: #1f2933;
    line-height: 1.6;
}

.shell {
    min-height: 100vh;
    background: radial-gradient(circle at 20% 20%, #ffffff 0, #f6f7fb 30%, #eef1f8 60%, #f6f7fb 100%);
}

.header {
    padding: 32px 24px 12px;
    max-width: 1160px;
    margin: 0 auto;
}


h1 {
    font-size: 32px;
    font-weight: 800;
    color: #1b2a4a;
    letter-spacing: -0.5px;
}

.subhead {
    margin-top: 8px;
    color: #4a5568;
    font-size: 15px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 16px 24px 32px;
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 18px;
}

@media (max-width: 1100px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

.layout {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 18px;
}

@media (max-width: 900px) {
    .layout {
        grid-template-columns: 1fr;
    }
}

.panel {
    background: #ffffff;
    border: 1px solid #e5e8f0;
    border-radius: 14px;
    padding: 18px 18px 16px;
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
}

.panel-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: #1f2933;
    margin-bottom: 12px;
}

.panel-title span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 8px;
    background: #eef2ff;
    color: #3b4b9a;
    font-weight: 700;
}

.controls-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

@media (max-width: 720px) {
    .controls-grid {
        grid-template-columns: 1fr;
    }
}

.button-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 6px;
}

button {
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 600;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    background: #fff;
    color: #1f2933;
    box-shadow: 0 1px 3px rgba(31, 41, 51, 0.1);
}

button:hover:not(:disabled) {
    background: #f8f9fc;
    box-shadow: 0 4px 12px rgba(31, 41, 51, 0.12);
    transform: translateY(-1px);
}

button:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 2px 6px rgba(31, 41, 51, 0.08);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    box-shadow: 0 1px 2px rgba(31, 41, 51, 0.05);
}

.btn-primary {
    background: linear-gradient(135deg, #3d6df6 0%, #5a7cff 100%);
    color: #fff;
    border-color: #3d6df6;
    box-shadow: 0 2px 6px rgba(61, 109, 246, 0.2);
}

.btn-primary:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(61, 109, 246, 0.25);
}

.btn-danger {
    background: linear-gradient(135deg, #f87171 0%, #f43f5e 100%);
    color: #fff;
    border-color: #f87171;
    box-shadow: 0 2px 6px rgba(244, 63, 94, 0.2);
}

.btn-danger:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(244, 63, 94, 0.25);
}

.btn-success {
    background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
    color: #fff;
    border-color: #34d399;
    box-shadow: 0 2px 6px rgba(16, 185, 129, 0.2);
}

.btn-success:hover:not(:disabled) {
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.25);
}

.btn-record.recording {
    animation: pulse 1.2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    box-shadow: 0 0 0 2px rgba(244, 63, 94, 0.3);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 2px rgba(244, 63, 94, 0.3), 0 2px 6px rgba(244, 63, 94, 0.2); }
    50% { box-shadow: 0 0 0 8px rgba(244, 63, 94, 0), 0 2px 6px rgba(244, 63, 94, 0.2); }
}

.status-box {
    margin-top: 12px;
    padding: 10px 12px;
    border-radius: 10px;
    background: #f7f9fd;
    border: 1px solid #e5e8f0;
    color: #3b4b5c;
    font-size: 13px;
}

.status-box.recording { border-color: #f8c4d0; background: #fff5f7; color: #b91c1c; }
.status-box.success { border-color: #c6f6d5; background: #f0fff4; color: #065f46; }
.status-box.error { border-color: #fecdd3; background: #fff1f2; color: #9b1c1c; }

.visual {
    background: #ffffff;
    border: 1px solid #e5e8f0;
    border-radius: 14px;
    padding: 16px;
    box-shadow: 0 10px 30px rgba(17, 24, 39, 0.06);
}

#p5-sketch {
    width: 100%;
    display: flex;
    justify-content: center;
}

.file-input-wrapper {
    border: 1px dashed #cbd5e1;
    border-radius: 12px;
    background: #f8fafc;
    padding: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

#audioFile { display: none; }

.file-label {
    padding: 0;
    width: 36px;
    height: 32px;
    background: linear-gradient(135deg, #3d6df6 0%, #5a7cff 100%);
    color: #fff;
    border-radius: 7px;
    cursor: pointer;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    border: 1px solid #3d6df6;
    font-size: 16px;
    box-shadow: 0 2px 6px rgba(61, 109, 246, 0.2);
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.file-label:hover {
    box-shadow: 0 6px 16px rgba(61, 109, 246, 0.25);
    transform: translateY(-1px);
}

.file-name {
    font-size: 13px;
    color: #475569;
}

.hint {
    font-size: 13px;
    color: #64748b;
    margin-top: 8px;
}

.tips {
    display: grid;
    gap: 6px;
    padding: 8px 10px;
    background: #f8fafc;
    border: 1px solid #e5e8f0;
    border-radius: 12px;
    font-size: 13px;
    color: #475569;
}

.library-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: #f8fafc;
    border: 1px solid #e5e8f0;
    border-radius: 10px;
    transition: all 0.2s;
}

.library-item:hover {
    background: #fff;
    border-color: #d4ddfa;
    box-shadow: 0 2px 8px rgba(17, 24, 39, 0.04);
}

.lib-btn {
    padding: 6px 10px;
    border: 1px solid #e5e8f0;
    background: #fff;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    color: #3d6df6;
    box-shadow: 0 1px 2px rgba(31, 41, 51, 0.05);
}

.lib-btn:hover {
    background: #3d6df6;
    color: #fff;
    border-color: #3d6df6;
    box-shadow: 0 4px 10px rgba(61, 109, 246, 0.2);
    transform: translateY(-1px);
}

.lib-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(61, 109, 246, 0.12);
}

/* Icon-only compact buttons */
.btn-icon {
    padding: 0;
    width: 36px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    border-radius: 7px;
}