:root {
    --color-bg: #0c0c0c;
    --color-bg-elevated: #1a1a1a;
    --color-bg-raised: #232323;
    --color-border: #303030;
    --color-text: #f5f5f5;
    --color-text-muted: #8a8a8a;
    --color-accent: #ff8a3d;
    --color-accent-dim: #cc6a24;
    --color-on-accent: #23100a;
    --color-danger: #e0522f;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --ad-height: 60px;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    overscroll-behavior: none;
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Segoe UI", Roboto, sans-serif;
    -webkit-tap-highlight-color: transparent;
}

button,
input {
    font: inherit;
}

button {
    cursor: pointer;
    touch-action: manipulation;
    -webkit-user-select: none;
    user-select: none;
}

button:focus-visible,
input:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

#app {
    width: 100%;
    max-width: 600px;
    min-height: 100dvh;
    margin: 0 auto;
    padding: 14px;
}

.roulette-card {
    position: relative;
    min-height: clamp(330px, 53vh, 450px);
    overflow: hidden;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background:
        radial-gradient(circle at 42% 40%, rgba(255, 138, 61, 0.08), transparent 45%),
        linear-gradient(145deg, #171717, #101010);
    box-shadow: 0 16px 34px rgba(0, 0, 0, 0.28);
}

.wheel-wrap {
    position: absolute;
    top: 50%;
    left: 42%;
    width: min(72vw, 370px);
    aspect-ratio: 1;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 14px 18px rgba(0, 0, 0, 0.4));
}

#wheelCanvas {
    display: block;
    width: 100%;
    height: 100%;
}

.wheel-pointer {
    position: absolute;
    z-index: 2;
    top: -5px;
    left: 50%;
    width: 0;
    height: 0;
    transform: translateX(-50%);
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 27px solid var(--color-accent);
    filter: drop-shadow(0 3px 4px rgba(0, 0, 0, 0.55));
}

.circle-btn {
    position: absolute;
    right: 18px;
    z-index: 3;
    width: 54px;
    height: 54px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    display: grid;
    place-items: center;
    transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.circle-btn:active {
    transform: scale(0.95);
}

.circle-btn:disabled {
    opacity: 0.4;
    pointer-events: none;
}

.settings-btn {
    top: 18px;
    background: var(--color-bg-elevated);
    color: var(--color-text);
}

.settings-btn:active {
    background: var(--color-bg-raised);
}

.spin-btn {
    bottom: 18px;
    border-color: transparent;
    background: var(--color-accent);
    color: var(--color-on-accent);
    box-shadow: 0 8px 22px rgba(255, 138, 61, 0.22);
}

.play-icon {
    width: 0;
    height: 0;
    margin-left: 4px;
    border-top: 9px solid transparent;
    border-bottom: 9px solid transparent;
    border-left: 15px solid currentColor;
}

.stop-icon {
    display: none;
    width: 15px;
    height: 15px;
    border-radius: 2px;
    background: currentColor;
}

.spin-btn.is-spinning .play-icon {
    display: none;
}

.spin-btn.is-spinning .stop-icon {
    display: block;
}

.spin-btn.is-stopping {
    opacity: 0.55;
    pointer-events: none;
}

.result-card {
    min-height: 86px;
    margin-top: 12px;
    padding: 13px 18px 15px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-bg-elevated);
    text-align: center;
}

.section-label {
    display: block;
    color: var(--color-text-muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
}

.result-value {
    margin: 7px 0 0;
    color: var(--color-text-muted);
    font-size: 15px;
    font-weight: 700;
    overflow-wrap: anywhere;
}

.result-value.has-result {
    color: var(--color-accent);
    font-size: 24px;
}

.history-section {
    margin-top: 20px;
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.history-header h2 {
    margin: 0;
    color: var(--color-text-muted);
    font-size: 14px;
    letter-spacing: 0.05em;
}

.clear-btn {
    padding: 7px 4px;
    border: 0;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 13px;
}

.clear-btn:disabled {
    opacity: 0.35;
    pointer-events: none;
}

.clear-btn:active {
    color: var(--color-danger);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.history-empty {
    padding: 15px 0;
    color: var(--color-text-muted);
    font-size: 13px;
    text-align: center;
}

.history-item {
    min-height: 58px;
    padding: 10px 10px 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--color-bg-elevated);
}

.history-marker {
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--marker-color, var(--color-accent));
}

.history-main {
    min-width: 0;
    flex: 1;
}

.history-value {
    display: block;
    overflow: hidden;
    color: var(--color-text);
    font-size: 15px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-time {
    display: block;
    margin-top: 3px;
    color: var(--color-text-muted);
    font-size: 11px;
}

.delete-history-btn {
    width: 38px;
    height: 38px;
    flex: 0 0 auto;
    padding: 0;
    border: 0;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: transparent;
    color: var(--color-text-muted);
}

.delete-history-btn:active {
    background: var(--color-bg-raised);
    color: var(--color-danger);
}

.tools-footer-link {
    margin: 18px 0 calc(var(--ad-height) + env(safe-area-inset-bottom) + 18px);
    text-align: center;
    font-size: 13px;
}

.tools-footer-link a {
    color: var(--color-text-muted);
    text-decoration: underline;
}

.modal-overlay {
    position: fixed;
    z-index: 2000;
    inset: 0;
    padding: 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    background: rgba(0, 0, 0, 0.68);
}

.modal-overlay[hidden] {
    display: none;
}

.modal-overlay--center {
    align-items: center;
    padding: 16px;
}

.modal {
    width: 100%;
    max-width: 600px;
    border: 1px solid var(--color-border);
    background: var(--color-bg-elevated);
}

.settings-modal {
    max-height: min(88dvh, 760px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 10px 16px calc(18px + env(safe-area-inset-bottom));
    border-bottom: 0;
    border-radius: 20px 20px 0 0;
}

.modal-handle {
    width: 40px;
    height: 4px;
    margin: 0 auto 15px;
    border-radius: 4px;
    background: #464646;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}

.modal-header h2 {
    margin: 0;
    font-size: 17px;
}

.modal-header p {
    margin: 5px 0 0;
    color: var(--color-text-muted);
    font-size: 13px;
}

.add-segment-btn {
    min-height: 42px;
    padding: 0 15px;
    border: 1px solid rgba(255, 138, 61, 0.55);
    border-radius: var(--radius-sm);
    background: rgba(255, 138, 61, 0.1);
    color: var(--color-accent);
    font-size: 14px;
    font-weight: 800;
}

.add-segment-btn:disabled {
    opacity: 0.35;
    pointer-events: none;
}

.settings-column-labels,
.segment-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 82px 40px;
    gap: 8px;
    align-items: center;
}

.settings-column-labels {
    margin-bottom: 6px;
    padding: 0 1px;
    color: var(--color-text-muted);
    font-size: 11px;
}

.settings-column-labels span:nth-child(2) {
    text-align: center;
}

.segment-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.segment-row {
    --segment-color: var(--color-accent);
}

.segment-name-wrap {
    position: relative;
    min-width: 0;
}

.segment-name-wrap::before {
    content: "";
    position: absolute;
    z-index: 1;
    top: 50%;
    left: 12px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: translateY(-50%);
    background: var(--segment-color);
}

.segment-input {
    width: 100%;
    height: 44px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-raised);
    color: var(--color-text);
    font-size: 16px;
}

.segment-name {
    padding: 0 10px 0 31px;
}

.percentage-input-wrap {
    position: relative;
}

.segment-percentage {
    padding: 0 25px 0 8px;
    text-align: right;
    appearance: textfield;
}

.segment-percentage::-webkit-inner-spin-button,
.segment-percentage::-webkit-outer-spin-button {
    margin: 0;
    appearance: none;
}

.percentage-symbol {
    position: absolute;
    top: 50%;
    right: 9px;
    color: var(--color-text-muted);
    font-size: 13px;
    transform: translateY(-50%);
    pointer-events: none;
}

.remove-segment-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: transparent;
    color: var(--color-text-muted);
}

.remove-segment-btn:disabled {
    opacity: 0.25;
    pointer-events: none;
}

.remove-segment-btn:active {
    background: var(--color-bg-raised);
    color: var(--color-danger);
}

.percentage-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 13px;
}

.percentage-summary strong {
    color: var(--color-accent);
    font-size: 16px;
}

.percentage-summary.is-invalid strong {
    color: var(--color-danger);
}

.settings-error {
    min-height: 18px;
    margin: 5px 0 0;
    color: #ed8f75;
    font-size: 12px;
    text-align: right;
}

.modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.modal-btn {
    min-height: 48px;
    flex: 1;
    padding: 12px;
    border: 0;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 800;
}

.modal-btn:disabled {
    opacity: 0.35;
    pointer-events: none;
}

.modal-btn--cancel {
    background: var(--color-bg-raised);
    color: var(--color-text);
}

.modal-btn--confirm {
    background: var(--color-accent);
    color: var(--color-on-accent);
}

.modal-btn--danger {
    background: var(--color-danger);
    color: #1c0603;
}

.confirm-modal {
    max-width: 420px;
    padding: 22px 18px 18px;
    border-radius: var(--radius-lg);
    text-align: center;
}

.confirm-modal h2 {
    margin: 0;
    font-size: 17px;
}

.confirm-modal p {
    margin: 8px 0 20px;
    color: var(--color-text-muted);
    font-size: 13px;
}

.ad-banner {
    position: fixed;
    z-index: 1000;
    right: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    min-height: calc(var(--ad-height) + env(safe-area-inset-bottom));
    padding: 1px 0 calc(1px + env(safe-area-inset-bottom));
    border-top: 1px solid #333;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    background: #121212;
}

.ad-content {
    max-width: 100%;
}

@media (max-width: 380px) {
    #app {
        padding: 10px;
    }

    .roulette-card {
        min-height: 318px;
    }

    .wheel-wrap {
        left: 41%;
        width: min(74vw, 300px);
    }

    .circle-btn {
        right: 12px;
        width: 50px;
        height: 50px;
    }

    .settings-btn {
        top: 14px;
    }

    .spin-btn {
        bottom: 14px;
    }

    .settings-column-labels,
    .segment-row {
        grid-template-columns: minmax(0, 1fr) 76px 38px;
        gap: 6px;
    }
}

@media (min-width: 700px) {
    #app {
        padding-top: 22px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
    }
}