:root {
    --ui-red: #e50914;
    --ui-bg: #121212;
    --ui-panel: #181818;
    --ui-line: rgba(255, 255, 255, 0.1);
    --ui-text: #fff;
    --ui-muted: rgba(255, 255, 255, 0.7);
    --ui-ok: #22c55e;
    --ui-warn: #f59e0b;
    --ui-info: #38bdf8;
}

.ui-overlay,
.legal-modal,
.op-dizi-modal,
.error-modal,
.date-picker-modal {
    position: fixed;
    inset: 0;
    z-index: 2400;
    display: grid;
    place-items: center;
    padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    animation: uiFade 0.22s ease;
}

.legal-modal,
.op-dizi-modal {
    z-index: 2300;
}

.legal-modal[hidden],
.op-dizi-modal[hidden],
.ui-overlay[hidden] {
    display: none !important;
}

.error-modal,
.date-picker-modal {
    display: none;
}

.error-modal.is-open,
.date-picker-modal.is-open,
.error-modal[style*='flex'],
.date-picker-modal[style*='flex'] {
    display: grid !important;
}

@keyframes uiFade {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes uiRise {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.ui-dialog,
.legal-dialog,
.op-dizi-dialog,
.error-modal-content,
.date-picker-modal-content {
    position: relative;
    width: min(720px, 100%);
    max-height: min(86vh, 780px);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border-radius: 22px;
    background: var(--ui-panel);
    border: 1px solid var(--ui-line);
    box-shadow:
        0 28px 80px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(229, 9, 20, 0.08);
    color: var(--ui-text);
    animation: uiRise 0.28s ease;
}

.ui-dialog--wide,
.legal-dialog {
    width: min(820px, 100%);
}

.ui-dialog--sm {
    width: min(460px, 100%);
}

.ui-dialog--media,
.op-dizi-dialog {
    width: min(920px, 100%);
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0;
    overflow: auto;
}

.ui-dialog::before,
.legal-dialog::before,
.error-modal-content::before,
.date-picker-modal-content::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--ui-red), #ff6b73 60%, transparent);
}

.ui-dialog__head,
.legal-head,
.error-modal-header,
.date-picker-modal-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 22px 22px 14px;
    border-bottom: 1px solid var(--ui-line);
}

.ui-dialog__icon,
.error-modal-icon {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    background: rgba(229, 9, 20, 0.14);
    color: var(--ui-red);
    flex: 0 0 44px;
    font-size: 1.1rem;
}

.error-modal.is-success .error-modal-icon,
.ui-dialog__icon.is-ok {
    background: rgba(34, 197, 94, 0.16);
    color: var(--ui-ok);
}
.error-modal.is-warn .error-modal-icon,
.ui-dialog__icon.is-warn {
    background: rgba(245, 158, 11, 0.16);
    color: var(--ui-warn);
}
.error-modal.is-info .error-modal-icon,
.ui-dialog__icon.is-info {
    background: rgba(56, 189, 248, 0.16);
    color: var(--ui-info);
}
.ui-dialog__icon.is-err {
    background: rgba(229, 9, 20, 0.16);
    color: var(--ui-red);
}

.ui-dialog__kicker {
    margin: 0 0 4px;
    color: var(--ui-red);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.ui-dialog__head h3,
.legal-head h3,
.error-modal-header h3,
.date-picker-modal-header h3 {
    margin: 0;
    font-size: 1.28rem;
    line-height: 1.25;
    padding-right: 36px;
}

.ui-dialog__close,
.legal-close,
.op-dizi-close,
.error-modal-close,
.date-picker-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1.15rem;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition:
        background 0.2s ease,
        transform 0.2s ease;
    z-index: 3;
}

.ui-dialog__close:hover,
.legal-close:hover,
.op-dizi-close:hover,
.error-modal-close:hover,
.date-picker-modal-close:hover {
    background: var(--ui-red);
    transform: scale(1.05);
}

.ui-dialog__body,
.legal-body,
.error-modal-body,
.date-picker-modal-body {
    flex: 1;
    padding: 18px 22px 8px;
    overflow: auto;
    overscroll-behavior: contain;
}

.legal-body section + section {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.legal-body h4 {
    margin: 0 0 8px;
    color: var(--ui-red);
    font-size: 1.02rem;
}

.legal-body p,
.error-modal-body p,
.ui-dialog__body p {
    margin: 0;
    color: var(--ui-muted);
    line-height: 1.75;
}

.ui-dialog__foot,
.legal-foot,
.error-modal-footer,
.date-picker-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 22px 20px;
    border-top: 1px solid var(--ui-line);
}

.ui-btn,
.error-modal-btn {
    appearance: none;
    border: 0;
    border-radius: 12px;
    min-height: 44px;
    padding: 0 18px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition:
        transform 0.15s ease,
        background 0.2s ease;
}

.ui-btn--primary,
.error-modal-btn {
    background: var(--ui-red);
    color: #fff;
}

.ui-btn--ghost,
.date-picker-cancel {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.ui-btn:hover,
.error-modal-btn:hover {
    transform: translateY(-1px);
}

.op-dizi-modal-media {
    background: #0c0c0c;
}

.op-dizi-modal-copy {
    padding: 28px 48px 24px 24px;
}

.op-dizi-close {
    top: 12px;
    right: 12px;
}

.error-modal-overlay,
.date-picker-modal-overlay {
    display: none;
}

.ui-toast-stack {
    position: fixed;
    top: calc(88px + env(safe-area-inset-top));
    right: 16px;
    z-index: 2600;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: min(380px, calc(100vw - 24px));
    pointer-events: none;
}

.ui-toast {
    pointer-events: auto;
    display: grid;
    grid-template-columns: 36px 1fr auto;
    gap: 10px;
    align-items: start;
    padding: 14px 14px 12px;
    border-radius: 16px;
    background: #1a1a1a;
    border: 1px solid var(--ui-line);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
    color: #fff;
    animation: uiRise 0.25s ease;
}

.ui-toast.is-out {
    opacity: 0;
    transform: translateX(16px);
    transition: 0.22s ease;
}

.ui-toast__icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: grid;
    place-items: center;
}

.ui-toast--success .ui-toast__icon {
    background: rgba(34, 197, 94, 0.16);
    color: var(--ui-ok);
}
.ui-toast--error .ui-toast__icon {
    background: rgba(229, 9, 20, 0.16);
    color: var(--ui-red);
}
.ui-toast--warning .ui-toast__icon {
    background: rgba(245, 158, 11, 0.16);
    color: var(--ui-warn);
}
.ui-toast--info .ui-toast__icon {
    background: rgba(56, 189, 248, 0.16);
    color: var(--ui-info);
}

.ui-toast__text {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.45;
    color: rgba(255, 255, 255, 0.88);
}

.ui-toast__close {
    border: 0;
    background: none;
    color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    font-size: 1rem;
    padding: 2px;
}

.ui-toast__bar {
    grid-column: 1 / -1;
    height: 3px;
    border-radius: 99px;
    background: rgba(255, 255, 255, 0.08);
    overflow: hidden;
}

.ui-toast__bar span {
    display: block;
    height: 100%;
    width: 100%;
    transform-origin: left;
    animation: uiToastBar linear forwards;
    background: var(--ui-red);
}

.ui-toast--success .ui-toast__bar span {
    background: var(--ui-ok);
}
.ui-toast--warning .ui-toast__bar span {
    background: var(--ui-warn);
}
.ui-toast--info .ui-toast__bar span {
    background: var(--ui-info);
}

@keyframes uiToastBar {
    from {
        transform: scaleX(1);
    }
    to {
        transform: scaleX(0);
    }
}

.slider-fullscreen-close,
.video-modal-content .close,
.lightbox-close {
    background: var(--ui-red) !important;
    border-radius: 50% !important;
}

@media (max-width: 760px) {
    .ui-dialog--media,
    .op-dizi-dialog {
        grid-template-columns: 1fr;
    }
    .ui-toast-stack {
        top: auto;
        bottom: calc(92px + env(safe-area-inset-bottom));
        right: 12px;
        left: 12px;
        width: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ui-overlay,
    .ui-dialog,
    .ui-toast,
    .legal-modal,
    .legal-dialog {
        animation: none;
    }
}