.wp-block-hustoj-edu-games-keyword-rain,
.hustoj-keyword-rain-block {
    width: min(var(--hustoj-shell-width, 1120px), calc(100% - (var(--hustoj-shell-padding-x, 1rem) * 2)));
    max-width: none;
    margin: 0 auto;
    box-sizing: border-box;
}

.oj-rain-shell {
    --rain-bg: #f6f8fb;
    --rain-ink: #172033;
    --rain-muted: #657186;
    --rain-line: #d7dee9;
    --rain-panel: #ffffff;
    --rain-primary: #1d6fd8;
    --rain-primary-dark: #154a90;
    --rain-coral: #e65d4f;
    --rain-green: #1f8a55;
    --rain-yellow: #f2b830;
    width: 100%;
    color: var(--rain-ink);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

.oj-rain-shell * {
    box-sizing: border-box;
}

.oj-rain-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 0 14px;
}

.oj-rain-kicker {
    margin: 0 0 4px;
    color: var(--rain-coral);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.oj-rain-topbar h2 {
    margin: 0;
    font-size: clamp(1.7rem, 3vw, 2.6rem);
    line-height: 1.05;
}

.oj-rain-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 8px;
    flex-wrap: wrap;
}

.oj-rain-select,
.oj-rain-button,
.oj-rain-mode,
.oj-rain-input {
    min-height: 42px;
    border: 1px solid var(--rain-line);
    border-radius: 8px;
    background: #ffffff;
    color: var(--rain-ink);
    font: inherit;
    font-weight: 900;
}

.oj-rain-select {
    padding: 0 34px 0 12px;
}

.oj-rain-button,
.oj-rain-mode {
    padding: 0 14px;
    cursor: pointer;
}

.oj-rain-button-primary,
.oj-rain-mode.is-active {
    border-color: var(--rain-primary);
    background: var(--rain-primary);
    color: #ffffff;
}

.oj-rain-button-ghost:hover,
.oj-rain-button-ghost:focus-visible,
.oj-rain-mode:focus-visible {
    border-color: var(--rain-primary);
    outline: none;
}

.oj-rain-modebar {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}

.oj-rain-stats {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}

.oj-rain-stat {
    min-width: 0;
    min-height: 72px;
    padding: 12px;
    border: 1px solid var(--rain-line);
    border-radius: 8px;
    background: #ffffff;
}

.oj-rain-stat span {
    display: block;
    margin-bottom: 6px;
    color: var(--rain-muted);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.oj-rain-stat strong {
    display: block;
    font-size: 1.5rem;
    line-height: 1;
    text-align: right;
}

.oj-rain-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 12px;
    align-items: start;
}

.oj-rain-panel {
    min-width: 0;
    border: 1px solid var(--rain-line);
    border-radius: 8px;
    background: var(--rain-panel);
    overflow: hidden;
}

.oj-rain-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 58px;
    padding: 10px 14px;
    border-bottom: 1px solid var(--rain-line);
    background: #f9fbfe;
}

.oj-rain-panel-head span {
    color: var(--rain-muted);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.oj-rain-panel-head h3 {
    margin: 3px 0 0;
    font-size: 1.05rem;
    line-height: 1.25;
}

.oj-rain-arena {
    position: relative;
    height: 430px;
    border-bottom: 1px solid var(--rain-line);
    background:
        linear-gradient(90deg, rgba(29, 111, 216, 0.06) 1px, transparent 1px),
        linear-gradient(0deg, rgba(31, 138, 85, 0.05) 1px, transparent 1px),
        linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%);
    background-size: 36px 36px, 36px 36px, auto;
    overflow: hidden;
}

.oj-rain-arena::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 42px;
    border-top: 2px solid rgba(230, 93, 79, 0.45);
    background: rgba(230, 93, 79, 0.08);
    pointer-events: none;
}

.oj-rain-drop-layer {
    position: absolute;
    inset: 0;
}

.oj-rain-drop {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 56px;
    max-width: 190px;
    min-height: 34px;
    padding: 0 11px;
    transform: translate(-50%, -50%);
    border: 2px solid #ffffff;
    border-radius: 8px;
    background: var(--drop-color);
    color: #ffffff;
    box-shadow: 0 9px 20px rgba(23, 32, 51, 0.18);
    font-family: Consolas, "SFMono-Regular", monospace;
    font-size: 0.95rem;
    font-weight: 900;
    line-height: 1;
    overflow-wrap: anywhere;
    text-align: center;
}

.oj-rain-drop.is-danger {
    background: var(--rain-coral);
    animation: oj-rain-danger 420ms ease-in-out infinite alternate;
}

@keyframes oj-rain-danger {
    from {
        transform: translate(-50%, -50%) scale(1);
    }

    to {
        transform: translate(-50%, -50%) scale(1.04);
    }
}

.oj-rain-start-card {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    display: grid;
    gap: 8px;
    width: min(420px, calc(100% - 28px));
    min-height: 116px;
    place-items: center;
    padding: 18px;
    transform: translate(-50%, -50%);
    border: 1px solid #cdd8e7;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    text-align: center;
}

.oj-rain-start-card strong {
    font-size: 1.05rem;
}

.oj-rain-start-card span {
    color: var(--rain-muted);
    font-weight: 800;
}

.oj-rain-input-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
    padding: 14px;
}

.oj-rain-input {
    width: 100%;
    padding: 0 13px;
    font-family: Consolas, "SFMono-Regular", monospace;
    font-size: 1rem;
}

.oj-rain-input:focus {
    border-color: var(--rain-primary);
    outline: 3px solid rgba(29, 111, 216, 0.18);
}

.oj-rain-input.is-flash {
    border-color: var(--rain-coral);
    background: #fff0ee;
}

.oj-rain-feedback {
    min-height: 24px;
    margin: 0;
    padding: 0 14px 14px;
    color: var(--rain-green);
    font-weight: 900;
    line-height: 1.4;
}

.oj-rain-side {
    display: grid;
    gap: 12px;
    position: sticky;
    top: 24px;
}

.oj-rain-rules {
    display: grid;
    gap: 10px;
    padding: 12px;
}

.oj-rain-rules div {
    display: grid;
    gap: 4px;
    padding: 10px;
    border: 1px solid #e6ebf2;
    border-radius: 8px;
    background: #fbfcff;
}

.oj-rain-rules strong {
    font-weight: 900;
}

.oj-rain-rules span {
    color: var(--rain-muted);
    font-size: 0.85rem;
    font-weight: 800;
    line-height: 1.45;
}

.oj-rain-leaderboard {
    display: grid;
    gap: 6px;
    padding: 10px;
}

.oj-rain-rank-head,
.oj-rain-rank-row {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr) 66px;
    gap: 8px;
    align-items: center;
}

.oj-rain-rank-head {
    padding: 0 8px 4px;
    color: var(--rain-muted);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
}

.oj-rain-rank-row {
    min-height: 40px;
    padding: 8px;
    border: 1px solid var(--rain-line);
    border-radius: 8px;
    background: #ffffff;
}

.oj-rain-rank-row.is-me {
    border-color: var(--rain-primary);
    background: #edf5ff;
}

.oj-rain-rank-row span {
    min-width: 0;
    overflow: hidden;
    font-weight: 800;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.oj-rain-rank-row b {
    color: var(--rain-primary-dark);
    text-align: right;
}

.oj-rain-rank-empty {
    min-height: 84px;
    display: grid;
    place-items: center;
    color: var(--rain-muted);
    font-weight: 800;
    text-align: center;
}

@media (max-width: 980px) {
    .oj-rain-topbar {
        align-items: flex-start;
        flex-direction: column;
    }

    .oj-rain-actions {
        justify-content: flex-start;
    }

    .oj-rain-stats {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .oj-rain-layout {
        grid-template-columns: 1fr;
    }

    .oj-rain-side {
        position: static;
    }
}

@media (max-width: 680px) {
    .wp-block-hustoj-edu-games-keyword-rain,
    .hustoj-keyword-rain-block {
        width: calc(100% - 12px);
    }

    .oj-rain-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .oj-rain-input-row {
        grid-template-columns: 1fr;
    }

    .oj-rain-actions .oj-rain-select,
    .oj-rain-actions .oj-rain-button {
        width: 100%;
    }

    .oj-rain-arena {
        height: 360px;
    }
}