:root {
    --ink: #1f2b44;
    --ink-soft: #64748b;
    --surface: #f7f6f6;
    --panel: #ffffff;
    --peach: #f79a73;
    --peach-dark: #f4885d;
    --peach-soft: #fde9de;
    --mint-soft: #d9ece4;
    --mint-ink: #75b59e;
    --border-soft: rgba(92, 108, 111, 0.12);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    width: 100%;
    min-height: 100%;
}

body {
    font-family: "Manrope", "Segoe UI", system-ui, sans-serif;
    color: var(--ink);
    background: linear-gradient(180deg, #fdf8f4 0%, #e6d3c3 100%);
}

.page-shell {
    min-height: 100vh;
    padding: 2rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.studio-card {
    width: min(960px, 100%);
    border-radius: 2rem;
    background: #ffffff;
    padding: 4rem 5rem;
    box-shadow: 0 28px 60px rgba(125, 99, 78, 0.14);
    display: grid;
    gap: 2.5rem;
}

.studio-header {
    text-align: center;
    padding-top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.studio-title {
    margin: 0;
    font-family: "Fraunces", "Georgia", serif;
    font-size: clamp(2.1rem, 5vw, 3.5rem);
    line-height: 1;
    letter-spacing: -0.01em;
    color: #1a2333;
}

.engine-badge {
    margin-top: 0;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 999px;
    background: var(--peach-soft);
    color: var(--peach);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    font-weight: 700;
    padding: 0.4rem 1rem;
}

.engine-badge-dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 999px;
    background: var(--peach);
    animation: pulseDot 1.2s ease-in-out infinite;
}

@keyframes pulseDot {
    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.45;
        transform: scale(0.8);
    }
}

.panel {
    border-radius: 1.45rem;
    background: var(--panel);
    border: 1px solid rgba(208, 214, 220, 0.58);
    padding: 1rem;
}

.input-panel {
    display: block;
}

.panel-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.field-label {
    color: #94a3b8;
    letter-spacing: 0.15em;
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 700;
    margin-left: 0.2rem;
}

.panel-pill,
.gender-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 1.8rem;
    padding: 0.3rem 0.72rem;
    border-radius: 999px;
    background: #f3f5f7;
    color: #66768f;
    font-size: 0.75rem;
    font-weight: 700;
}

.helper-text {
    margin: 0.38rem 0 0;
    color: #637187;
    font-size: 0.89rem;
    line-height: 1.45;
}

.text-area {
    margin-top: 0;
    width: 100%;
    min-height: 260px;
    border: 0;
    border-radius: 1rem;
    resize: none;
    font-size: 1.1rem;
    line-height: 1.6;
    padding: 1.5rem;
    color: #1e293b;
    background: #ffffff;
    box-shadow: 0 0 0 1px #e2e8f0;
    transition: box-shadow 0.2s ease, background-color 0.2s ease;
}

.text-area:focus {
    outline: none;
    background: #fff;
    box-shadow:
        inset 0 0 0 1px rgba(92, 108, 111, 0.16),
        0 0 0 4px rgba(247, 154, 115, 0.25);
}

.text-meta {
    margin-top: 0.55rem;
    display: flex;
    justify-content: flex-end;
}

.text-char-count {
    color: #8492a6;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.text-char-count-error {
    color: #cc5d55;
}

.text-limit-warning {
    margin: 0.4rem 0 0;
    color: #cc5d55;
    font-size: 0.82rem;
    font-weight: 700;
}

.controls-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.select-shell {
    position: relative;
    margin-top: 0.75rem;
}

.select-shell::after {
    content: "";
    position: absolute;
    right: 0.5rem;
    top: 50%;
    width: 0.45rem;
    height: 0.45rem;
    transform: translateY(-70%) rotate(45deg);
    border-right: 2px solid #94a3b8;
    border-bottom: 2px solid #94a3b8;
    pointer-events: none;
}

.select-field {
    width: 100%;
    appearance: none;
    border: 0;
    border-radius: 0.5rem;
    padding: 0.8rem 2rem 0.8rem 1rem;
    font-size: 1.05rem;
    color: #334155;
    background: transparent;
    box-shadow: 0 0 0 1px #e2e8f0;
    transition: color 0.2s ease;
    cursor: pointer;
}

.select-field:focus {
    outline: none;
    background: #fff;
    box-shadow:
        inset 0 0 0 1px rgba(92, 108, 111, 0.16),
        0 0 0 4px rgba(217, 236, 228, 0.6);
}

.select-field:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.gender-pill-female {
    background: #fee7dc;
    color: #dc6f4f;
}

.gender-pill-male {
    background: #e2f1eb;
    color: #4c7f6e;
}

.panel-foot {
    margin-top: 0.7rem;
}

.warning-pill {
    display: inline-flex;
    align-items: center;
    min-height: 1.8rem;
    padding: 0.3rem 0.72rem;
    border-radius: 999px;
    border: 1px solid rgba(245, 158, 11, 0.35);
    background: rgba(255, 247, 237, 0.95);
    color: #b45309;
    font-size: 0.74rem;
    font-weight: 700;
}

.action-panel {
    display: grid;
    gap: 1rem;
    margin-top: 1rem;
}

.generate-btn {
    position: relative;
    width: 100%;
    min-height: 4.05rem;
    border: 0;
    border-radius: 0.8rem;
    cursor: pointer;
    overflow: hidden;
    background: #ffa485;
    color: #fff;
    box-shadow: 0 8px 20px rgba(255, 164, 133, 0.3);
    transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.generate-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 16px 28px rgba(244, 136, 93, 0.3);
}

.generate-btn:active:not(:disabled) {
    transform: translateY(0);
}

.generate-btn:disabled {
    cursor: default;
}

.generate-progress {
    position: absolute;
    inset: 0 auto 0 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08));
    transition: width 0.2s ease;
}

.generate-content {
    position: relative;
    z-index: 1;
    min-height: 4.05rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 0.42rem;
    padding: 0.65rem 1rem;
}

.generate-label {
    font-size: 1.08rem;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.generate-buffer {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
}

.buffer-slot {
    width: 1.05rem;
    height: 0.3rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.38);
    transition: background-color 0.18s ease, transform 0.18s ease;
}

.buffer-slot-filled {
    background: rgba(255, 255, 255, 0.95);
    transform: scaleX(1.08);
}

.status-line {
    margin: 0;
    font-size: 0.89rem;
    line-height: 1.45;
    text-align: center;
}

.status-idle {
    color: var(--ink-soft);
}

.status-success {
    color: #4d7f6f;
}

.status-error {
    color: #cc5d55;
}

.player-panel {
    background: transparent;
}

.player-header {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
    align-items: flex-start;
}

.player-meta {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.player-state {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    min-height: 1.95rem;
    padding: 0.35rem 0.86rem;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.player-state-idle {
    color: #67778f;
    background: #f0f3f6;
}

.player-state-ready {
    color: #4c7f6e;
    background: #e5f2ec;
}

.player-state-live {
    color: #d16f4f;
    background: #fee8dd;
}

.player-state-buffer {
    color: #637187;
    background: #eef2f6;
}

.download-btn {
    width: 3.5rem;
    height: 2.8rem;
    border: 0;
    border-radius: 0.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #75b59e;
    background: #eaf5f0;
    transition: transform 0.15s ease, background-color 0.15s ease, opacity 0.15s ease;
}

.download-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    background: #dff0e9;
}

.download-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.download-btn svg {
    width: 1.2rem;
    height: 1.2rem;
    fill: currentColor;
}

.player-transport {
    margin-top: 1rem;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 1.5rem;
    align-items: center;
}

.play-btn {
    width: 3.2rem;
    height: 3.2rem;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    color: #fff;
    background: #334155;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.play-btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.play-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.play-btn svg {
    width: 1.18rem;
    height: 1.18rem;
    fill: currentColor;
}

.track-shell {
    min-width: 0;
}

.track {
    position: relative;
    height: 1.5rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
}

.track-rail {
    position: absolute;
    inset: auto 0;
    top: 50%;
    transform: translateY(-50%);
    height: 0.45rem;
    border-radius: 999px;
    background: #e2e8f0;
}

.track-loaded {
    position: absolute;
    inset: auto 0 auto 0;
    top: 50%;
    height: 0.45rem;
    border-radius: 999px;
    overflow: hidden;
    transform: translateY(-50%);
    z-index: 1;
    pointer-events: none;
}

.track-played {
    position: absolute;
    inset: auto 0 auto 0;
    top: 50%;
    height: 0.45rem;
    border-radius: 999px;
    overflow: hidden;
    transform: translateY(-50%);
    z-index: 2;
    pointer-events: none;
}

.track-loaded::before,
.track-played::before {
    content: "";
    position: absolute;
    inset: 0;
    transform: scaleX(var(--track-scale, 0));
    transform-origin: left center;
    transition: transform 0.04s linear;
    will-change: transform;
}

.track-loaded::before {
    background: #cbd5e1;
}

.track-played::before {
    background: #ffa485;
}

.range-input {
    position: absolute;
    inset: 0;
    width: 100%;
    appearance: none;
    background: transparent;
    cursor: pointer;
}

.range-input:focus {
    outline: none;
}

.range-input::-webkit-slider-runnable-track {
    height: 0.6rem;
    background: transparent;
}

.range-input::-webkit-slider-thumb {
    appearance: none;
    width: 0;
    height: 0;
    margin-top: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 0;
}

.range-input::-moz-range-track {
    height: 0.6rem;
    background: transparent;
}

.range-input::-moz-range-thumb {
    width: 0;
    height: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 0;
}

.track-times {
    position: absolute;
    left: 0;
    right: 0;
    top: 1.6rem;
    display: flex;
    justify-content: space-between;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #94a3b8;
}

.player-empty {
    display: none;
}

@media (max-width: 860px) {
    .studio-card {
        padding: 2.5rem 2rem;
    }

    .controls-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page-shell {
        padding: 1rem 0.75rem;
    }

    .studio-card {
        padding: 1.5rem 1rem;
        border-radius: 1.4rem;
        gap: 1.5rem;
    }

    .player-header {
        flex-direction: column;
    }

    .player-meta {
        width: 100%;
        justify-content: space-between;
    }

    .text-area {
        min-height: 220px;
    }
}