/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: none;
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--border-primary);
    box-shadow: none;
}

.card h2 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.card h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-md);
    color: var(--accent-primary);
    text-align: center;
}

.card h4 {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    text-align: center;
}

/* Drop Zone */
.drop-zone {
    border: 3px dashed var(--border-primary);
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: center;
    padding: var(--space-xl);
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.05);
}

.drop-content svg {
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.drop-content h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
}

.drop-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

/* Removed option-card.highlight styles to match standard design */
.option-card {
    padding: var(--space-lg);
    transition: transform 0.2s, box-shadow 0.2s;
}

.option-card:hover {
    transform: translateY(-2px);
    box-shadow: none;
}

/* Advanced Mastering Tools Area */
.mastering-tools-area,
#dev-eq-legend {
    display: none;
}





.option-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.option-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    text-align: left;
}

.option-desc {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: var(--space-xs);
    margin-bottom: 0;
}

.option-detail {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-secondary);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.option-detail label {
    display: block;
    font-size: 1.05rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Preset Grid (At Top) */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--text-xs);
}

.preset-card {
    padding: var(--text-xs) var(--text-base);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    min-height: 50px;
    box-shadow: var(--shadow-sm);
}

.preset-card:hover:not(.active) {
    border-color: var(--preset-color, rgba(255, 255, 255, 0.2));
    background: rgba(255, 255, 255, 0.05);
}

.preset-card.active {
    /* 実測バッジと統一 - プリセットカラーベース */
    background: color-mix(in srgb, var(--preset-color, #06b6d4), transparent 85%);
    border-color: color-mix(in srgb, var(--preset-color, #06b6d4), transparent 70%);
    box-shadow: none;
    pointer-events: none;
    /* クリック無効化 */
    cursor: default;
}

.preset-card.active .card-name {
    color: color-mix(in srgb, var(--preset-color, #06b6d4), white 40%);
}

.card-icon {
    font-size: var(--text-xl);
    margin-right: var(--text-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    /* Grey by default */
    transition: color 0.2s;
}

/* Color the icon on hover or active */
.preset-card:hover .card-icon,
.preset-card.active .card-icon {
    color: var(--preset-color);
}

.card-name {
    font-size: var(--text-base);
    font-weight: 700;
    /* Bold */
    font-family: var(--font-mono);
    /* Mono */
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #e0e0e0;
}

/* SVG Sizing for Icons */
.card-icon svg {
    width: 25px;
    height: 25px;
    fill: currentColor;
    stroke: none;
    display: block;
    shape-rendering: geometricPrecision;
}

.card-info {
    font-size: 13px;
    opacity: 0.6;
    margin-top: var(--space-xs);
    /* Fixed margin-top */
    line-height: 1.6;
}

.info-icon svg {
    width: 42px;
    height: 42px;
    display: block;
}

/* Loop Button Style */
/* .pill-btn moved to buttons.css */


/* Checkbox & Radio Styles (Restored) */
.checkbox-wrapper-12 {
    position: relative;
}

.checkbox-wrapper-12>svg {
    position: absolute;
    top: -130%;
    left: -170%;
    width: 110%;
    pointer-events: none;
}

.checkbox-wrapper-12 * {
    box-sizing: border-box;
}

.checkbox-wrapper-12 input[type="checkbox"] {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
    cursor: pointer;
    margin: 0;
}

.checkbox-wrapper-12 input[type="checkbox"]:focus {
    outline: 0;
}

.checkbox-wrapper-12 .cbx {
    width: 24px;
    height: 24px;
    top: calc(50vh - var(--radius-lg));
    left: calc(50vw - var(--radius-lg));
}

.checkbox-wrapper-12 .cbx input {
    position: absolute;
    top: 0;
    left: 0;
    width: 24px;
    height: 24px;
    border: 2px solid #52525b;
    border-radius: 50%;
}

.checkbox-wrapper-12 .cbx label {
    width: 24px;
    height: 24px;
    background: none;
    border-radius: 50%;
    position: absolute;
    top: 0;
    left: 0;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0);
    pointer-events: none;
}

.checkbox-wrapper-12 .cbx svg {
    position: absolute;
    top: 5px;
    left: var(--radius-sm);
    z-index: 1;
    pointer-events: none;
}

.checkbox-wrapper-12 .cbx svg path {
    stroke: #fff;
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 19;
    stroke-dashoffset: 19;
    transition: stroke-dashoffset 0.3s ease;
    transition-delay: 0.2s;
}

.checkbox-wrapper-12 .cbx input:checked+label {
    animation: splash-12 0.6s ease forwards;
}

.checkbox-wrapper-12 .cbx input:checked+label+svg path {
    stroke-dashoffset: 0;
}

@-webkit-keyframes splash-12 {
    40% {
        background: var(--success);
        box-shadow: 0 -18px 0 -8px var(--success), 16px -8px 0 -8px var(--success), 16px var(--radius-md) 0 -8px var(--success), 0 18px 0 -8px var(--success), -16px var(--radius-md) 0 -8px var(--success), -16px -8px 0 -8px var(--success);
    }

    100% {
        background: var(--success);
        box-shadow: 0 -36px 0 -10px transparent, 32px -16px 0 -10px transparent, 32px 16px 0 -10px transparent, 0 36px 0 -10px transparent, -32px 16px 0 -10px transparent, -32px -16px 0 -10px transparent;
    }
}

@keyframes splash-12 {
    40% {
        background: var(--success);
        box-shadow: 0 -18px 0 -8px var(--success), 16px -8px 0 -8px var(--success), 16px var(--radius-md) 0 -8px var(--success), 0 18px 0 -8px var(--success), -16px var(--radius-md) 0 -8px var(--success), -16px -8px 0 -8px var(--success);
    }

    100% {
        background: var(--success);
        box-shadow: 0 -36px 0 -10px transparent, 32px -16px 0 -10px transparent, 32px 16px 0 -10px transparent, 0 36px 0 -10px transparent, -32px 16px 0 -10px transparent, -32px -16px 0 -10px transparent;
    }
}