:root {
    --icbpi-bg: #07142c;
    --icbpi-panel: rgba(7, 20, 44, 0.94);
    --icbpi-white: #ffffff;
    --icbpi-cream: #fffaf0;
    --icbpi-gold: #f5b942;
    --icbpi-green: #19a44a;
    --icbpi-blue: #1688e8;
    --icbpi-muted: #b9c5da;
    --icbpi-focus: #61dafb;
}

html:has(.icbpi-fullscreen-page),
body.icbpi-fullscreen-page {
    margin: 0 !important;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--icbpi-bg);
}

.icbpi-fullscreen-page #wpadminbar {
    display: none !important;
}

.icbpi-app,
.icbpi-app * {
    box-sizing: border-box;
}

.icbpi-app {
    position: relative;
    isolation: isolate;
    width: 100%;
    height: 100dvh;
    min-height: 480px;
    overflow: hidden;
    display: grid;
    grid-template-rows: 64px minmax(0, 1fr) 58px;
    color: var(--icbpi-white);
    background:
        radial-gradient(circle at 50% 10%, rgba(40, 88, 155, 0.32), transparent 42%),
        linear-gradient(150deg, #061126, #0b1d3d 55%, #08162f);
    font-family: Inter, ui-rounded, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.icbpi-topbar {
    z-index: 8;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 8px clamp(12px, 2vw, 28px);
    background: var(--icbpi-panel);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}

.icbpi-brand,
.icbpi-top-actions,
.icbpi-control {
    display: flex;
    align-items: center;
}

.icbpi-brand {
    min-width: 0;
    gap: 10px;
}

.icbpi-brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    border-radius: 13px;
    color: #07142c;
    background: linear-gradient(145deg, #ffe4a0, var(--icbpi-gold));
    box-shadow: 0 5px 16px rgba(245, 185, 66, 0.32);
    font-weight: 900;
    font-size: 14px;
    letter-spacing: 0.02em;
}

.icbpi-brand strong,
.icbpi-brand small {
    display: block;
    white-space: nowrap;
}

.icbpi-brand strong {
    font-size: clamp(15px, 1.5vw, 20px);
    line-height: 1.1;
}

.icbpi-brand small {
    margin-top: 3px;
    color: var(--icbpi-muted);
    font-size: 12px;
}

.icbpi-top-actions {
    gap: 8px;
}

.icbpi-counter {
    min-width: 58px;
    color: var(--icbpi-muted);
    text-align: center;
    font-weight: 700;
    font-size: 13px;
}

.icbpi-control,
.icbpi-edge-nav,
.icbpi-character-button,
.icbpi-info-trigger,
.icbpi-popover-close {
    border: 0;
    font: inherit;
    cursor: pointer;
}

.icbpi-control {
    justify-content: center;
    gap: 7px;
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 12px;
    color: var(--icbpi-white);
    background: rgba(255, 255, 255, 0.08);
    transition: background 160ms ease, transform 160ms ease, border-color 160ms ease;
}

.icbpi-control:hover,
.icbpi-control:focus-visible {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.32);
}

.icbpi-control:active {
    transform: translateY(1px);
}

.icbpi-control svg {
    width: 19px;
    height: 19px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icbpi-help-toggle[aria-pressed="false"] {
    opacity: 0.62;
}

.icbpi-help-toggle > span:first-child {
    color: var(--icbpi-gold);
    font-weight: 900;
}

.icbpi-workspace {
    position: relative;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 58px;
}

.icbpi-stage {
    position: relative;
    width: min(calc(100vw - 132px), calc((100dvh - 146px) * 1.5), 1536px);
    aspect-ratio: 3 / 2;
    flex: 0 0 auto;
    overflow: visible;
    border-radius: clamp(8px, 1vw, 18px);
    background: #152440;
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.46);
}

.icbpi-slide-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    object-fit: contain;
    border-radius: inherit;
    user-select: none;
    -webkit-user-drag: none;
}

.icbpi-hotspot {
    position: absolute;
    z-index: 2;
    border-radius: clamp(8px, 1.2vw, 22px);
    cursor: pointer;
    outline: 0;
    background: transparent;
    box-shadow: inset 0 0 0 0 rgba(97, 218, 251, 0);
    transition: box-shadow 150ms ease, background 150ms ease, transform 150ms ease;
}

.icbpi-hotspot:hover,
.icbpi-hotspot:focus-visible {
    background: rgba(255, 255, 255, 0.05);
    box-shadow: inset 0 0 0 3px rgba(97, 218, 251, 0.72), 0 0 18px rgba(97, 218, 251, 0.24);
}

.icbpi-hotspot:focus-visible {
    outline: 3px solid var(--icbpi-focus);
    outline-offset: 2px;
}

.icbpi-hotspot.is-playing {
    background: rgba(25, 164, 74, 0.06);
    box-shadow: inset 0 0 0 4px rgba(25, 164, 74, 0.9), 0 0 24px rgba(25, 164, 74, 0.42);
    animation: icbpi-pulse 1.1s ease-in-out infinite alternate;
}

.icbpi-hotspot-tools {
    position: absolute;
    z-index: 3;
    left: 50%;
    bottom: 0;
    display: flex;
    align-items: center;
    gap: clamp(2px, 0.25vw, 4px);
    padding: clamp(2px, 0.2vw, 3px);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 999px;
    background: rgba(7, 20, 44, 0.86);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    transform: translate(-50%, 62%);
}

.icbpi-audio-indicator,
.icbpi-info-trigger {
    position: static;
    display: grid;
    place-items: center;
    width: clamp(16px, 1.45vw, 23px);
    height: clamp(16px, 1.45vw, 23px);
    border-radius: 999px;
    box-shadow: none;
    font-size: clamp(8px, 0.7vw, 11px);
    line-height: 1;
}

.icbpi-audio-indicator {
    color: #fff;
    background: var(--icbpi-green);
    pointer-events: none;
}

.icbpi-info-trigger {
    padding: 0;
    color: #07142c;
    background: var(--icbpi-gold);
    font-weight: 950;
    border: 0;
}

.icbpi-info-trigger:hover,
.icbpi-info-trigger:focus-visible {
    transform: scale(1.1);
    outline: 2px solid var(--icbpi-focus);
    outline-offset: 2px;
}

.icbpi-app.icbpi-hide-help .icbpi-info-trigger {
    display: none;
}

.icbpi-app.icbpi-hide-help .icbpi-hotspot-tools {
    padding: 2px;
}

.icbpi-edge-nav {
    position: absolute;
    z-index: 6;
    top: 50%;
    width: 44px;
    height: 72px;
    margin-top: -36px;
    border-radius: 14px;
    color: var(--icbpi-white);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(8px);
    transition: background 160ms ease, transform 160ms ease;
}

.icbpi-edge-nav:hover,
.icbpi-edge-nav:focus-visible {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.04);
}

.icbpi-edge-nav:focus-visible,
.icbpi-character-button:focus-visible {
    outline: 3px solid var(--icbpi-focus);
    outline-offset: 2px;
}

.icbpi-edge-nav span {
    display: block;
    margin-top: -6px;
    font-size: 58px;
    font-weight: 200;
    line-height: 1;
}

.icbpi-prev { left: 8px; }
.icbpi-next { right: 8px; }

.icbpi-character-nav {
    z-index: 8;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 0;
    padding: 8px 12px;
    overflow-x: auto;
    background: var(--icbpi-panel);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    scrollbar-width: thin;
}

.icbpi-character-button {
    flex: 0 0 auto;
    min-width: 82px;
    padding: 9px 15px;
    border-radius: 999px;
    color: var(--icbpi-muted);
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 13px;
    font-weight: 800;
    transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.icbpi-character-button:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
}

.icbpi-character-button.is-active {
    color: #07142c;
    background: linear-gradient(145deg, #ffe4a0, var(--icbpi-gold));
    border-color: transparent;
    box-shadow: 0 5px 18px rgba(245, 185, 66, 0.26);
}

.icbpi-popover {
    position: fixed;
    z-index: 100000;
    width: min(390px, calc(100vw - 24px));
    padding: 17px 18px;
    border-radius: 18px;
    color: #15213a;
    background: rgba(255, 253, 247, 0.985);
    border: 2px solid #f3d89e;
    box-shadow: 0 18px 50px rgba(0, 0, 0, 0.34);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px) scale(0.98);
    transition: opacity 120ms ease, transform 120ms ease, visibility 120ms ease;
}

.icbpi-popover.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.icbpi-popover::after {
    content: "";
    position: absolute;
    left: var(--arrow-left, 50%);
    width: 14px;
    height: 14px;
    background: #fffdf7;
    border-right: 2px solid #f3d89e;
    border-bottom: 2px solid #f3d89e;
    transform: translateX(-50%) rotate(45deg);
}

.icbpi-popover[data-placement="top"]::after {
    bottom: -8px;
}

.icbpi-popover[data-placement="bottom"]::after {
    top: -8px;
    transform: translateX(-50%) rotate(225deg);
}

.icbpi-popover-sentence {
    display: block;
    padding-right: 26px;
    color: #091a39;
    font-size: 17px;
    line-height: 1.35;
}

.icbpi-popover-row {
    margin-top: 13px;
    padding-top: 11px;
    border-top: 1px solid #e8e2d7;
}

.icbpi-popover-row span {
    display: block;
    color: #5a6680;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.icbpi-popover-row p {
    margin: 4px 0 0;
    font-size: 15px;
    line-height: 1.4;
}

.icbpi-popover-pronunciation {
    color: #0c7f37;
    font-weight: 850;
}

.icbpi-popover-close {
    position: absolute;
    top: 7px;
    right: 8px;
    display: none;
    width: 30px;
    height: 30px;
    border-radius: 999px;
    color: #536078;
    background: #eee9df;
    font-size: 21px;
    line-height: 1;
}

.icbpi-toast {
    position: fixed;
    z-index: 100001;
    left: 50%;
    bottom: 74px;
    max-width: calc(100vw - 28px);
    padding: 11px 16px;
    border-radius: 12px;
    color: #fff;
    background: rgba(11, 20, 39, 0.94);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 8px);
    transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
    font-size: 14px;
    text-align: center;
}

.icbpi-toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

@keyframes icbpi-pulse {
    from { filter: brightness(1); }
    to { filter: brightness(1.1); }
}

@media (max-width: 760px) {
    .icbpi-app {
        grid-template-rows: 56px minmax(0, 1fr) 52px;
    }

    .icbpi-topbar {
        padding: 6px 9px;
    }

    .icbpi-brand-mark {
        width: 38px;
        height: 38px;
        flex-basis: 38px;
    }

    .icbpi-brand small,
    .icbpi-control-label {
        display: none;
    }

    .icbpi-control {
        width: 38px;
        min-height: 38px;
        padding: 6px;
    }

    .icbpi-counter {
        min-width: 48px;
        font-size: 12px;
    }

    .icbpi-workspace {
        padding: 5px 34px;
    }

    .icbpi-stage {
        width: min(calc(100vw - 72px), calc((100dvh - 125px) * 1.5));
        border-radius: 7px;
    }

    .icbpi-edge-nav {
        width: 30px;
        height: 58px;
        margin-top: -29px;
        border-radius: 10px;
    }

    .icbpi-edge-nav span {
        margin-top: -3px;
        font-size: 43px;
    }

    .icbpi-prev { left: 2px; }
    .icbpi-next { right: 2px; }

    .icbpi-character-nav {
        justify-content: flex-start;
        padding: 6px 8px;
    }

    .icbpi-character-button {
        min-width: 72px;
        padding: 8px 12px;
        font-size: 12px;
    }

    .icbpi-popover-close {
        display: block;
    }
}

@media (max-height: 620px) {
    .icbpi-app {
        grid-template-rows: 52px minmax(0, 1fr) 48px;
    }

    .icbpi-brand small,
    .icbpi-control-label {
        display: none;
    }

    .icbpi-stage {
        width: min(calc(100vw - 118px), calc((100dvh - 112px) * 1.5), 1536px);
    }

    .icbpi-character-button {
        padding-top: 7px;
        padding-bottom: 7px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .icbpi-app *,
    .icbpi-app *::before,
    .icbpi-app *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}