.hp-rulebook-bg {
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;
    background:
        linear-gradient(180deg, rgba(4, 13, 9, .78), rgba(2, 7, 5, .96) 72%, rgba(1, 4, 3, .98)),
        radial-gradient(circle at 16% 8%, rgba(142, 219, 50, .18), transparent 34%),
        radial-gradient(circle at 82% 12%, rgba(42, 121, 70, .18), transparent 36%),
        url('/assets/images/dusk/background_image.png') center top / cover fixed no-repeat;
}

.hp-rulebook-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        linear-gradient(90deg, rgba(0,0,0,.40), rgba(0,0,0,.08) 42%, rgba(0,0,0,.50)),
        radial-gradient(circle at 50% 0%, rgba(142, 219, 50, .08), transparent 38%);
    opacity: .96;
}

.hp-rulebook {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 24px;
    width: min(1320px, calc(100% - 56px));
    min-height: 100vh;
    margin: 0 auto;
    padding: 128px 0 74px;
    color: #edfdf6;
}

.hp-rulebook-hero {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 24px;
    padding: 34px;
    border: 1px solid rgba(109, 255, 190, .18);
    border-radius: 30px;
    background:
        radial-gradient(circle at 16% 14%, rgba(84, 255, 181, .22), transparent 36%),
        linear-gradient(135deg, rgba(8, 36, 28, .96), rgba(6, 21, 18, .98));
    box-shadow: 0 26px 70px rgba(0, 0, 0, .34);
}

.hp-rulebook-hero::after {
    content: "";
    position: absolute;
    inset: auto -120px -180px auto;
    width: 360px;
    height: 360px;
    border-radius: 999px;
    background: rgba(64, 255, 168, .11);
    filter: blur(20px);
}

.hp-rulebook-hero__content,
.hp-rulebook-hero__panel {
    position: relative;
    z-index: 1;
}

.hp-rulebook-kicker {
    display: inline-flex;
    width: fit-content;
    padding: 8px 12px;
    border: 1px solid rgba(118, 255, 190, .28);
    border-radius: 999px;
    background: rgba(118, 255, 190, .10);
    color: #9bffd4;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hp-rulebook-hero h1 {
    margin: 16px 0 10px;
    font-size: clamp(34px, 5vw, 58px);
    line-height: .96;
    letter-spacing: -.05em;
}

.hp-rulebook-hero p {
    max-width: 680px;
    margin: 0;
    color: rgba(237, 253, 246, .76);
    font-size: 17px;
    line-height: 1.7;
}

.hp-rulebook-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
}

.hp-rulebook-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 16px;
    font-weight: 900;
    text-decoration: none;
    transition: transform .16s ease, border-color .16s ease, background .16s ease;
}

.hp-rulebook-btn:hover {
    transform: translateY(-1px);
}

.hp-rulebook-btn--primary {
    border: 1px solid rgba(98, 255, 180, .45);
    background: linear-gradient(135deg, #35d88d, #19a96c);
    color: #052016;
    box-shadow: 0 16px 36px rgba(25, 169, 108, .28);
}

.hp-rulebook-btn--ghost {
    border: 1px solid rgba(237, 253, 246, .14);
    background: rgba(255, 255, 255, .06);
    color: #edfdf6;
}

.hp-rulebook-hero__panel {
    display: grid;
    gap: 12px;
    align-self: stretch;
}

.hp-rulebook-hero__panel div {
    padding: 18px;
    border: 1px solid rgba(237, 253, 246, .10);
    border-radius: 22px;
    background: rgba(2, 12, 10, .40);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
}

.hp-rulebook-hero__panel strong {
    display: block;
    font-size: 30px;
    letter-spacing: -.04em;
}

.hp-rulebook-hero__panel span {
    display: block;
    margin-top: 3px;
    color: rgba(237, 253, 246, .62);
    font-size: 13px;
    font-weight: 800;
}

.hp-rulebook-toolbar {
    display: grid;
    grid-template-columns: minmax(260px, 420px) minmax(0, 1fr);
    gap: 16px;
    align-items: end;
}

.hp-rulebook-search {
    display: grid;
    gap: 8px;
}

.hp-rulebook-search span {
    color: rgba(237, 253, 246, .58);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.hp-rulebook-search input {
    width: 100%;
    min-height: 50px;
    padding: 0 18px;
    border: 1px solid rgba(109, 255, 190, .18);
    border-radius: 18px;
    outline: none;
    background: rgba(5, 23, 18, .88);
    color: #edfdf6;
    font-weight: 800;
}

.hp-rulebook-search input:focus {
    border-color: rgba(109, 255, 190, .52);
    box-shadow: 0 0 0 4px rgba(70, 255, 170, .08);
}

.hp-rulebook-jump {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
}

.hp-rulebook-jump a,
.hp-rulebook-jump span {
    flex: 0 0 auto;
    padding: 12px 14px;
    border: 1px solid rgba(237, 253, 246, .10);
    border-radius: 999px;
    background: rgba(255, 255, 255, .05);
    color: rgba(237, 253, 246, .78);
    font-size: 13px;
    font-weight: 900;
    text-decoration: none;
}

.hp-rulebook-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
}

.hp-rulebook-sidebar,
.hp-rulebook-category {
    border: 1px solid rgba(109, 255, 190, .14);
    border-radius: 26px;
    background: linear-gradient(180deg, rgba(8, 31, 25, .92), rgba(4, 16, 14, .96));
    box-shadow: 0 22px 48px rgba(0, 0, 0, .24);
}

.hp-rulebook-sidebar {
    position: sticky;
    top: 118px;
    padding: 22px;
}

.hp-rulebook-sidebar strong {
    display: block;
    font-size: 18px;
    letter-spacing: -.02em;
}

.hp-rulebook-sidebar p {
    margin: 10px 0 18px;
    color: rgba(237, 253, 246, .62);
    line-height: 1.6;
}

.hp-rulebook-principles {
    display: grid;
    gap: 8px;
}

.hp-rulebook-principles span {
    padding: 12px;
    border: 1px solid rgba(237, 253, 246, .08);
    border-radius: 16px;
    background: rgba(255, 255, 255, .045);
    color: rgba(237, 253, 246, .82);
    font-size: 13px;
    font-weight: 850;
}

.hp-rulebook-categories {
    display: grid;
    gap: 18px;
}

.hp-rulebook-category {
    overflow: hidden;
}

.hp-rulebook-category header {
    display: flex;
    gap: 16px;
    align-items: center;
    padding: 24px;
    border-bottom: 1px solid rgba(237, 253, 246, .08);
    background: radial-gradient(circle at 4% 0%, rgba(98, 255, 180, .13), transparent 34%);
}

.hp-rulebook-category__icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border: 1px solid rgba(98, 255, 180, .24);
    border-radius: 18px;
    background: rgba(98, 255, 180, .10);
    color: #9bffd4;
    font-size: 25px;
    font-weight: 1000;
}

.hp-rulebook-category header span {
    color: #8dffc9;
    font-size: 11px;
    font-weight: 950;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.hp-rulebook-category h2 {
    margin: 4px 0 5px;
    font-size: 25px;
    letter-spacing: -.03em;
}

.hp-rulebook-category header p {
    margin: 0;
    color: rgba(237, 253, 246, .62);
}

.hp-rulebook-rules {
    display: grid;
    gap: 9px;
    padding: 16px;
}

.hp-rulebook-rule {
    display: grid;
    grid-template-columns: 58px minmax(0, 1fr);
    gap: 14px;
    padding: 15px 16px;
    border: 1px solid rgba(237, 253, 246, .075);
    border-radius: 18px;
    background: rgba(255, 255, 255, .036);
}

.hp-rulebook-rule--important {
    border-color: rgba(255, 210, 112, .20);
    background: linear-gradient(135deg, rgba(255, 210, 112, .065), rgba(255, 255, 255, .035));
}

.hp-rulebook-rule--critical {
    border-color: rgba(255, 112, 112, .24);
    background: linear-gradient(135deg, rgba(255, 112, 112, .075), rgba(255, 255, 255, .035));
}

.hp-rulebook-rule__number {
    display: grid;
    place-items: center;
    min-height: 52px;
    border-radius: 15px;
    background: rgba(5, 23, 18, .72);
    color: #a9ffd8;
    font-size: 16px;
    font-weight: 1000;
}

.hp-rulebook-rule__meta {
    display: flex;
    gap: 9px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 6px;
}

.hp-rulebook-rule__meta span {
    padding: 5px 8px;
    border-radius: 999px;
    background: rgba(98, 255, 180, .10);
    color: #9bffd4;
    font-size: 11px;
    font-weight: 950;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.hp-rulebook-rule p {
    margin: 0;
    color: rgba(237, 253, 246, .88);
    font-size: 15px;
    line-height: 1.62;
}

.hp-rulebook-empty {
    padding: 18px;
    border: 1px dashed rgba(237, 253, 246, .18);
    border-radius: 18px;
    color: rgba(237, 253, 246, .62);
    text-align: center;
}

.hp-rulebook-empty--large {
    padding: 34px;
    background: rgba(255, 255, 255, .045);
}

.hp-rulebook-empty--large strong {
    display: block;
    color: #edfdf6;
    font-size: 20px;
}

.hp-rulebook-empty--large p {
    margin: 8px 0 0;
}

@media (max-width: 980px) {
    .hp-rulebook-hero,
    .hp-rulebook-toolbar,
    .hp-rulebook-layout {
        grid-template-columns: 1fr;
    }

    .hp-rulebook-sidebar {
        position: static;
    }
}

@media (max-width: 640px) {
    .hp-rulebook {
        width: min(100% - 24px, 1320px);
        padding-top: 104px;
        padding-bottom: 54px;
    }

    .hp-rulebook-hero {
        padding: 24px;
        border-radius: 24px;
    }

    .hp-rulebook-rule {
        grid-template-columns: 1fr;
    }

    .hp-rulebook-rule__number {
        width: fit-content;
        min-width: 64px;
        padding: 0 14px;
    }
}