* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Trebuchet MS", sans-serif;
    background: #f7f4ea;
    color: #1f2933;
    overflow: hidden;
}

.page {
    min-height: 100vh;
    display: grid;
    align-content: center;
    justify-items: center;
    gap: 1.25rem;
    padding: 2rem;
}

.view-switch {
    display: inline-flex;
    gap: 0.45rem;
    padding: 0.35rem;
    border-radius: 999px;
    background: #e6e0d0;
}

.view-tab {
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: #334155;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 700;
    padding: 0.55rem 1rem;
    cursor: pointer;
}

.view-tab.is-active {
    background: #111827;
    color: #ffffff;
}

.view {
    width: 100%;
}

.view[hidden] {
    display: none;
}

.wheel-panel {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 1.5rem;
}

.wheel-panel.is-zooming {
    width: 100%;
}

.wheel-panel.is-zoomed {
    width: 100%;
}

.wheel-stage {
    display: grid;
    justify-items: center;
}

.wheel-frame {
    position: relative;
    width: min(78vw, 32rem);
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    padding: 0;
    border-radius: 50%;
    background: none !important;
    background-color: transparent !important;
    box-shadow: 0 1.25rem 3rem rgba(15, 23, 42, 0.14);
    transform: translate3d(0, 0, 0) scale(1);
    will-change: transform;
}

.wheel-panel.is-zooming .wheel-frame {
    animation: segment-closeup 5s cubic-bezier(0.15, 0, 0.18, 1) 0.5s forwards;
}

.wheel-panel.is-zoomed .wheel-frame {
    transform: translate3d(0, 51vh, 0) scale(3.6);
}

.wheel-panel.is-resetting .wheel-frame {
    animation: segment-reset 0.65s cubic-bezier(0.5, 0, 0.2, 1) forwards;
}

.wheel-panel.is-zooming .wheel-frame,
.wheel-panel.is-zoomed .wheel-frame,
.wheel-panel.is-resetting .wheel-frame {
    background: none !important;
    background-color: transparent !important;
}

.pointer {
    position: absolute;
    left: 50%;
    top: -3rem;
    width: 0;
    height: 0;
    border-left: 1rem solid transparent;
    border-right: 1rem solid transparent;
    border-top: 1.75rem solid #111827;
    transform: translate(-50%, 0.9rem);
    z-index: 4;
}

.wheel {
    --spin-start: 0deg;
    --spin-up-end: 0deg;
    --spin-end: 0deg;
    --wheel-gradient: conic-gradient(#ff6b6b 0deg 360deg);
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 0.75rem solid #1f2933;
    box-shadow: 0 0 0 0.85rem #ffffff;
    overflow: hidden;
    background: var(--wheel-gradient);
    transform: rotate(0deg);
}

.wheel::before {
    content: "";
    position: absolute;
    inset: -0.7rem;
    border-radius: 50%;
    background: var(--wheel-gradient);
    opacity: 0;
    filter: blur(0px) saturate(1);
    transform: rotate(0deg) scale(1);
    pointer-events: none;
    z-index: 1;
}

.wheel::after {
    content: "";
    position: absolute;
    inset: 50%;
    width: 2.75rem;
    height: 2.75rem;
    background: #1f2933;
    border: 0.35rem solid #ffffff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
}

.wheel.is-spinning {
    animation:
        wheel-spin-up 0.2s ease-in forwards,
        wheel-spin-main 5.6s cubic-bezier(0.16, 0.96, 0.3, 1) 0.2s forwards;
}

.wheel-label {
    position: absolute;
    inset: 0;
    display: flex;
    justify-content: center;
    transform-origin: center center;
    z-index: 2;
}

.wheel-label-text {
    display: block;
    width: 7rem;
    padding-top: 1rem;
    text-align: center;
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}

.wheel.is-spinning .wheel-label-text {
    animation:
        label-motion-blur-up 0.2s ease-in forwards,
        label-motion-blur-decay 3.6s cubic-bezier(0.16, 0.96, 0.3, 1) 0.2s forwards;
}

.wheel.is-spinning::before {
    animation:
        segment-color-blur-up 0.2s ease-in forwards,
        segment-color-blur-decay 3s cubic-bezier(0.16, 0.96, 0.3, 1) 0.2s forwards;
}

.spin-button {
    padding: 0.9rem 2rem;
    border: 0;
    border-radius: 999px;
    font: inherit;
    font-size: 1rem;
    font-weight: 700;
    background: #111827;
    color: #ffffff;
    cursor: pointer;
    opacity: 1;
    transition: background 160ms ease, opacity 0.45s ease-out;
}

.wheel-panel.is-zooming .spin-button,
.wheel-panel.is-zoomed .spin-button,
.wheel-panel.is-resetting .spin-button {
    position: fixed;
    left: 50%;
    bottom: 2rem;
    transform: translateX(-50%);
    z-index: 20;
}

.spin-button:hover {
    background: #253046;
}

.spin-button:disabled {
    cursor: default;
}

.view-edit {
    display: grid;
    place-items: start center;
    width: 100%;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.editor-card {
    width: min(44rem, 96vw);
    background: #ffffff;
    border-radius: 1.2rem;
    box-shadow: 0 1.2rem 2.6rem rgba(15, 23, 42, 0.12);
    padding: 1.2rem;
}

.editor-card h2 {
    margin: 0;
    font-size: 1.35rem;
}

.editor-card p {
    margin: 0.35rem 0 1.15rem;
    color: #475569;
}

.add-button {
    display: block;
    margin-top: 0.75rem;
    border: 0;
    border-radius: 0.65rem;
    padding: 0.72rem 1rem;
    font: inherit;
    font-weight: 700;
    background: #111827;
    color: #fff;
    cursor: pointer;
}

.segment-list {
    list-style: none;
    margin: 1rem 0 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
}

.segment-list-item {
    display: grid;
    gap: 0.7rem;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.7rem;
    padding: 0.75rem;
}

.segment-main-controls {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(11rem, 0.9fr) auto auto auto;
    gap: 0.55rem;
    align-items: center;
}

.segment-text-input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    padding: 0.5rem 0.6rem;
    font: inherit;
    font-size: 0.95rem;
    background: #fff;
}

.segment-text-input:focus {
    outline: 2px solid #89a4c6;
    outline-offset: 1px;
}

.segment-timer-input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    padding: 0.5rem 0.6rem;
    font: inherit;
    font-size: 0.9rem;
    background: #fff;
}

.segment-timer-input:focus {
    outline: 2px solid #89a4c6;
    outline-offset: 1px;
}

.segment-timer-input.is-invalid {
    border-color: #dc2626;
    background: #fff1f2;
}

.segment-type-wrap {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    background: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    padding: 0.5rem 0.6rem;
}

.type-dot {
    flex-shrink: 0;
    width: 0.7rem;
    height: 0.7rem;
    border-radius: 50%;
    transition: background-color 200ms ease;
}

.segment-type-select {
    border: 0;
    padding: 0;
    min-width: 6.25rem;
    font: inherit;
    font-size: 0.9rem;
    background: transparent;
    cursor: pointer;
}

.segment-type-select:focus {
    outline: 2px solid #89a4c6;
    border-radius: 2px;
}

.remove-button {
    border: 0;
    border-radius: 0.5rem;
    background: #fee2e2;
    color: #7f1d1d;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 700;
    padding: 0.4rem 0.62rem;
    cursor: pointer;
}

.segment-order-controls {
    display: inline-flex;
    gap: 0.35rem;
}

.segment-order-button {
    border: 1px solid #cbd5e1;
    border-radius: 0.45rem;
    background: #ffffff;
    color: #334155;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.38rem 0.55rem;
    cursor: pointer;
}

.segment-order-button:disabled {
    opacity: 0.45;
    cursor: default;
}

.segment-replacements {
    display: grid;
    gap: 0.45rem;
    border-top: 1px solid #e2e8f0;
    padding-top: 0.6rem;
}

.segment-replacements-title,
.segment-current-value {
    margin: 0;
    font-size: 0.82rem;
    color: #334155;
}

.segment-current-value {
    color: #64748b;
}

.replacement-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(6.5rem, 8rem) auto;
    gap: 0.5rem;
}

.replacement-input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    padding: 0.45rem 0.6rem;
    font: inherit;
    font-size: 0.9rem;
    background: #fff;
}

.replacement-input:focus {
    outline: 2px solid #89a4c6;
    outline-offset: 1px;
}

.replacement-timer-input {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 0.5rem;
    padding: 0.45rem 0.55rem;
    font: inherit;
    font-size: 0.82rem;
    background: #fff;
}

.replacement-timer-input:focus {
    outline: 2px solid #89a4c6;
    outline-offset: 1px;
}

.replacement-timer-input.is-invalid {
    border-color: #dc2626;
    background: #fff1f2;
}

.add-replacement-button,
.remove-replacement-button {
    border: 0;
    border-radius: 0.45rem;
    padding: 0.38rem 0.62rem;
    font: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
}

.add-replacement-button {
    justify-self: start;
    background: #dbeafe;
    color: #1e3a8a;
}

.remove-replacement-button {
    background: #fee2e2;
    color: #7f1d1d;
}

.wheel-panel.is-zooming .spin-button,
.wheel-panel.is-resetting .spin-button {
    pointer-events: none;
    animation: none;
    opacity: 0;
}

.wheel-panel.is-holding .spin-button {
    pointer-events: none;
    animation: spin-button-fade-out 0.35s ease-out forwards;
}

.wheel-panel.is-zoomed.is-holding .spin-button {
    pointer-events: none;
    animation: spin-button-fade-out 0.35s ease-out forwards;
}

.wheel-panel.is-zoomed .spin-button {
    animation: spin-button-fade-in 0.45s ease-out 0.12s forwards;
}

.corner-timer {
    --timer-progress: 0deg;
    position: fixed;
    right: 1.35rem;
    bottom: 1.35rem;
    z-index: 30;
    opacity: 0;
    transform: translateY(0.5rem) scale(0.95);
    transition: opacity 180ms ease, transform 180ms ease;
    pointer-events: none;
}

.corner-timer.is-visible {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.corner-timer-face {
    width: 13.2rem;
    aspect-ratio: 1;
    border-radius: 50%;
    border: 1.2rem solid #1f2933;
    box-shadow: 0 0 0 1.1rem #ffffff, 0 1.9rem 3.2rem rgba(15, 23, 42, 0.24);
    background: conic-gradient(#dc2626 var(--timer-progress), #ffffff 0deg 360deg);
    display: grid;
    place-items: center;
    position: relative;
    transform: scaleX(-1);
}

.corner-timer-time {
    font-size: 2rem;
    font-weight: 700;
    color: #0f172a;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.75);
    transform: scaleX(-1);
}

.corner-timer-ready-label {
    position: absolute;
    left: 50%;
    bottom: 1.45rem;
    transform: translateX(-50%) scaleX(-1);
    font-size: 0.88rem;
    font-weight: 700;
    color: #1e293b;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(15, 23, 42, 0.16);
    border-radius: 999px;
    padding: 0.14rem 0.5rem;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 120ms ease;
    pointer-events: none;
}

.corner-timer.is-ready .corner-timer-face {
    cursor: pointer;
}

.corner-timer.is-ready .corner-timer-ready-label {
    opacity: 1;
}

.corner-timer.is-running .corner-timer-face {
    cursor: default;
}

.corner-timer.is-running .corner-timer-ready-label {
    opacity: 0;
}

@keyframes wheel-spin-up {
    from {
        transform: rotate(var(--spin-start));
    }

    to {
        transform: rotate(var(--spin-up-end));
    }
}

@keyframes wheel-spin-main {
    from {
        transform: rotate(var(--spin-up-end));
    }

    to {
        transform: rotate(var(--spin-end));
    }
}

@keyframes segment-closeup {
    from {
        transform: translate3d(0, 0, 0) scale(1);
    }

    to {
        transform: translate3d(0, 51vh, 0) scale(3.6);
    }
}

@keyframes segment-reset {
    from {
        transform: translate3d(0, 51vh, 0) scale(3.6);
    }

    to {
        transform: translate3d(0, 0, 0) scale(1);
    }
}

@keyframes spin-button-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes spin-button-fade-out {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

.wheel-label-text.is-fading-out {
    animation: label-fade-out 0.3s ease-out forwards;
}

.wheel-label-text.is-fading-in {
    animation: label-fade-in 0.3s ease-out forwards;
}

.wheel.is-gradient-fading::before {
    inset: 0;
    background: var(--wheel-gradient-prev, var(--wheel-gradient));
    filter: none;
    transform: none;
    opacity: 1;
    animation: wheel-gradient-crossfade 0.3s ease-out forwards;
}

@keyframes label-fade-out {
    from { opacity: 1; }
    to   { opacity: 0; }
}

@keyframes label-fade-in {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes wheel-gradient-crossfade {
    from { opacity: 1; }
    to   { opacity: 0; }
}

@keyframes segment-color-blur-up {
    from {
        opacity: 0;
        filter: blur(0px) saturate(1);
        transform: rotate(0deg) scale(1);
    }

    to {
        opacity: 1;
        filter: blur(28px) saturate(1.35);
        transform: rotate(-10deg) scale(1.12);
    }
}

@keyframes segment-color-blur-decay {
    0% {
        opacity: 1;
        filter: blur(28px) saturate(1.35);
        transform: rotate(-10deg) scale(1.12);
    }
    24% {
        opacity: 0.92;
        filter: blur(22px) saturate(1.28);
        transform: rotate(-7deg) scale(1.09);
    }
    50% {
        opacity: 0.74;
        filter: blur(15px) saturate(1.18);
        transform: rotate(-4.5deg) scale(1.06);
    }
    74% {
        opacity: 0.46;
        filter: blur(8px) saturate(1.1);
        transform: rotate(-2deg) scale(1.03);
    }
    90%,
    100% {
        opacity: 0;
        filter: blur(0px) saturate(1);
        transform: rotate(0deg) scale(1);
    }
}

/*
 * Motion blur in the opposite direction to the clockwise spin.
 * Each label's text is rotated 90deg so the trailing direction
 * in its local frame is negative-X (to the left).
 * Blur is heaviest at t=0 (peak speed) and decays to nothing.
 */
@keyframes label-motion-blur-up {
    from {
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    }

    to {
        text-shadow:
            -4px  0 2px  rgba(255, 255, 255, 0.95),
            -10px 0 4px  rgba(255, 255, 255, 0.85),
            -20px 0 6px  rgba(255, 255, 255, 0.7),
            -34px 0 10px rgba(255, 255, 255, 0.5),
            -52px 0 16px rgba(255, 255, 255, 0.3),
            -72px 0 24px rgba(255, 255, 255, 0.15),
            -95px 0 32px rgba(255, 255, 255, 0.07);
    }
}

@keyframes label-motion-blur-decay {
    0% {
        text-shadow:
            -4px  0 2px  rgba(255, 255, 255, 0.95),
            -10px 0 4px  rgba(255, 255, 255, 0.85),
            -20px 0 6px  rgba(255, 255, 255, 0.7),
            -34px 0 10px rgba(255, 255, 255, 0.5),
            -52px 0 16px rgba(255, 255, 255, 0.3),
            -72px 0 24px rgba(255, 255, 255, 0.15),
            -95px 0 32px rgba(255, 255, 255, 0.07);
    }
    20% {
        text-shadow:
            -4px  0 2px  rgba(255, 255, 255, 0.9),
            -10px 0 4px  rgba(255, 255, 255, 0.75),
            -20px 0 6px  rgba(255, 255, 255, 0.6),
            -34px 0 10px rgba(255, 255, 255, 0.4),
            -50px 0 16px rgba(255, 255, 255, 0.22),
            -68px 0 22px rgba(255, 255, 255, 0.1);
    }
    40% {
        text-shadow:
            -3px  0 2px  rgba(255, 255, 255, 0.7),
            -8px  0 4px  rgba(255, 255, 255, 0.55),
            -16px 0 7px  rgba(255, 255, 255, 0.38),
            -28px 0 12px rgba(255, 255, 255, 0.2),
            -42px 0 18px rgba(255, 255, 255, 0.09);
    }
    60% {
        text-shadow:
            -2px  0 2px  rgba(255, 255, 255, 0.45),
            -5px  0 4px  rgba(255, 255, 255, 0.28),
            -10px 0 8px  rgba(255, 255, 255, 0.13),
            -18px 0 12px rgba(255, 255, 255, 0.05);
    }
    78% {
        text-shadow:
            -1px  0 1px  rgba(255, 255, 255, 0.2),
            -3px  0 4px  rgba(255, 255, 255, 0.08);
    }
    90%, 100% {
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
    }
}

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

    .view-switch {
        width: 100%;
        justify-content: center;
    }

    .view-tab {
        flex: 1;
    }

    .editor-card {
        padding: 1rem;
    }

    .view-edit {
        max-height: calc(100vh - 5.5rem);
    }

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

    .segment-type-wrap {
        width: fit-content;
    }

    .remove-button {
        justify-self: start;
    }

    .wheel-label-text {
        width: 5.25rem;
        font-size: 0.8rem;
    }

    .corner-timer {
        right: 0.75rem;
        bottom: 0.75rem;
    }

    .corner-timer-face {
        width: 9rem;
        border-width: 0.78rem;
        box-shadow: 0 0 0 0.7rem #ffffff, 0 1rem 1.8rem rgba(15, 23, 42, 0.2);
    }

    .corner-timer-time {
        font-size: 1.35rem;
    }

    .corner-timer-ready-label {
        bottom: 1rem;
        font-size: 0.72rem;
    }

    @keyframes segment-closeup {
        from {
            transform: translate3d(0, 0, 0) scale(1);
        }

        to {
            transform: translate3d(0, 31vh, 0) scale(2.5);
        }
    }

    .wheel-panel.is-zoomed .wheel-frame {
        transform: translate3d(0, 41vh, 0) scale(2.9);
    }

    @keyframes segment-reset {
        from {
            transform: translate3d(0, 41vh, 0) scale(2.9);
        }

        to {
            transform: translate3d(0, 0, 0) scale(1);
        }
    }
}