:root {
    --takt-stage-bg: radial-gradient(circle at 50% 40%, #2a2d33 0%, #14161a 70%, #0c0d10 100%);
    --takt-panel-w: 380px;
    --takt-accent: #4dd0e1;
}

html, body { height: 100%; }

body {
    background: #0c0d10;
    color: #e6e6e6;
}

.takt-main {
    min-height: calc(100vh - 53px);
}

/* Media selection cards */
.takt-media-card {
    cursor: pointer;
    transition: transform .15s ease, border-color .15s ease, background-color .15s ease;
    background-color: #1a1c20;
    border-color: #2a2d33;
}
a:hover .takt-media-card {
    transform: translateY(-2px);
    border-color: #6c757d;
    background-color: #1f2125;
}
.takt-media-icon {
    font-size: 4rem;
    line-height: 1;
    color: #adb5bd;
}
a:hover .takt-media-icon { color: #fff; }

/* Creator layout */
.takt-creator {
    display: grid;
    grid-template-columns: var(--takt-panel-w) 1fr;
    height: calc(100vh - 53px);
}

.takt-creator__panel {
    padding: 1.25rem 1.5rem 1.5rem;
    background: #15171b;
    border-right: 1px solid #2a2d33;
    overflow-y: auto;
}

.takt-creator__stage {
    position: relative;
    background: var(--takt-stage-bg);
    overflow: hidden;
}

#vinyl3d-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

.takt-stage__hint {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,.5);
    padding: .25rem .75rem;
    border-radius: 999px;
    pointer-events: none;
    user-select: none;
}

/* Stepper */
.takt-stepper {
    display: flex;
    gap: .25rem;
}
.takt-stepper__item {
    background: transparent;
    border: 0;
    color: #8a8a8a;
    font-size: .8rem;
    padding: .15rem .4rem;
    border-radius: 4px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.takt-stepper__item .num {
    display: inline-flex;
    width: 18px; height: 18px;
    border-radius: 999px;
    background: #2a2d33;
    color: #8a8a8a;
    align-items: center;
    justify-content: center;
    font-size: .7rem;
}
.takt-stepper__item.active { color: #fff; }
.takt-stepper__item.active .num {
    background: var(--takt-accent);
    color: #0c0d10;
}
.takt-stepper__item.done .num {
    background: #2a8590;
    color: #fff;
}
.takt-stepper__item:hover:not(.active) { color: #d0d0d0; }

/* Phase containers */
.takt-phase[data-phase] { animation: takt-fade .2s ease; }

@keyframes takt-fade {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Side upload card */
.takt-side {
    background: #1a1c20;
    border: 1px solid #2a2d33;
    border-radius: 6px;
    padding: .75rem;
}
.takt-side__head {
    margin-bottom: .5rem;
}
.takt-side__label {
    font-weight: 500;
    font-size: .9rem;
}
.takt-side__hint {
    margin-top: 2px;
}

.takt-dropzone {
    display: block;
    position: relative;
    border: 1px dashed #3a3d44;
    border-radius: 4px;
    padding: 0;
    background: #0f1114;
    cursor: pointer;
    overflow: hidden;
    transition: border-color .15s ease, background-color .15s ease;
}
.takt-dropzone:hover {
    border-color: var(--takt-accent);
    background: #131519;
}
.takt-dropzone.dragging {
    border-color: var(--takt-accent);
    background: #182025;
}
.takt-dropzone__empty {
    text-align: center;
    padding: 1.25rem .75rem;
    color: #8a8a8a;
}
.takt-dropzone__filled {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .5rem;
}
.takt-dropzone__filled img {
    width: 64px;
    height: 64px;
    object-fit: cover;
    border-radius: 4px;
    background: #000;
}
.takt-dropzone__meta {
    flex-grow: 1;
    color: #b0b0b0;
}
.takt-dropzone__remove {
    flex-shrink: 0;
}
.takt-dropzone__progress {
    padding: 1rem;
}

@media (max-width: 768px) {
    .takt-creator {
        grid-template-columns: 1fr;
        height: auto;
    }
    .takt-creator__stage { height: 60vh; }
}