:root {
    --portal-bg: #0b1220;
    --portal-bg-soft: #0f182b;
    --portal-card: #111b31;
    --portal-card-hover: #152038;
    --portal-ink: #e9eff8;
    --portal-muted: #90a1b9;
    --portal-line: rgba(148, 163, 184, 0.18);
    --portal-accent: #4f9cff;
    --portal-accent-2: #22d3ee;
    --portal-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

body.portal-page {
    min-height: 100vh;
    margin: 0;
    font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--portal-ink);
    background: var(--portal-bg);
    -webkit-font-smoothing: antialiased;
}

.portal-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
    background:
        radial-gradient(ellipse 70% 50% at 8% -5%, rgba(79, 156, 255, 0.16), transparent 55%),
        radial-gradient(ellipse 55% 45% at 92% 0%, rgba(34, 211, 238, 0.1), transparent 50%),
        radial-gradient(ellipse 40% 35% at 50% 100%, rgba(124, 58, 237, 0.08), transparent 55%),
        linear-gradient(180deg, #0b1220 0%, #0a101c 100%);
}

.portal-bg__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 15%, transparent 80%);
}

.portal-shell {
    position: relative;
    z-index: 1;
    width: min(1480px, calc(100% - 2rem));
    margin: 0 auto;
    padding: clamp(1rem, 2.5vw, 1.75rem) 0 3rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.portal-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
    padding: 0.85rem 1.15rem;
    border: 1px solid var(--portal-line);
    border-radius: 16px;
    background: rgba(11, 18, 32, 0.88);
    backdrop-filter: blur(14px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
    animation: portal-fade-down 0.5s ease-out;
}

.portal-brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.portal-brand__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--portal-accent);
    font-size: 1.2rem;
    background: linear-gradient(135deg, rgba(79, 156, 255, 0.22), rgba(34, 211, 238, 0.12));
    border: 1px solid rgba(79, 156, 255, 0.35);
}

.portal-brand strong {
    display: block;
    font-family: "Orbitron", "Inter", sans-serif;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.2;
    color: #f1f5f9;
}

.portal-brand span {
    color: var(--portal-muted);
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.portal-topbar__meta {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.portal-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border: 1px solid var(--portal-line);
    border-radius: 999px;
    padding: 0.38rem 0.75rem;
    background: rgba(17, 27, 49, 0.85);
    color: var(--portal-muted);
    font-size: 0.72rem;
    font-weight: 700;
}

.portal-pill--live {
    color: #6ee7b7;
    border-color: rgba(52, 211, 153, 0.35);
    background: rgba(6, 78, 59, 0.35);
}

.portal-pill--live::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #34d399;
    box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.2);
    animation: portal-pulse 2s ease infinite;
}

.portal-pill--time {
    color: #c6d4e8;
    font-variant-numeric: tabular-nums;
}

@keyframes portal-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.portal-hero {
    margin-bottom: 1.5rem;
    max-width: 760px;
    animation: portal-fade-up 0.5s ease-out 0.05s both;
}

.portal-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
    padding: 0.32rem 0.7rem;
    border-radius: 999px;
    border: 1px solid rgba(79, 156, 255, 0.3);
    background: rgba(79, 156, 255, 0.1);
    color: var(--portal-accent);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.portal-hero h1 {
    margin: 0 0 0.55rem;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
    font-weight: 800;
    color: #f8fafc;
}

.portal-hero p {
    margin: 0;
    color: var(--portal-muted);
    font-size: 0.98rem;
    line-height: 1.6;
    max-width: 52ch;
}

.portal-search {
    margin-bottom: 1.75rem;
    animation: portal-fade-up 0.5s ease-out 0.1s both;
}

.portal-search__inner {
    position: relative;
    max-width: 480px;
}

.portal-search__inner > i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--portal-muted);
    pointer-events: none;
}

.portal-search__input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.65rem;
    border-radius: 12px;
    border: 1px solid var(--portal-line);
    background: var(--portal-card);
    color: var(--portal-ink);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.portal-search__input::placeholder { color: #64748b; }

.portal-search__input:focus {
    outline: none;
    border-color: rgba(79, 156, 255, 0.5);
    box-shadow: 0 0 0 3px rgba(79, 156, 255, 0.12);
}

.portal-search__hint {
    margin-top: 0.4rem;
    font-size: 0.72rem;
    color: #64748b;
}

.portal-empty {
    display: none;
    text-align: center;
    padding: 3rem 1rem;
    color: var(--portal-muted);
    animation: portal-fade-up 0.35s ease-out;
}

.portal-empty i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.45;
}

.portal-section-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem;
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--portal-muted);
}

.portal-section-label::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(120deg, var(--portal-accent), var(--portal-accent-2));
}

.portal-systems {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
    animation: portal-fade-up 0.5s ease-out 0.14s both;
}

.portal-card {
    --card-accent: #4f9cff;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 280px;
    padding: 1.25rem;
    border-radius: 18px;
    border: 1px solid var(--portal-line);
    background: linear-gradient(165deg, var(--portal-card), var(--portal-bg-soft));
    color: var(--portal-ink);
    text-decoration: none;
    box-shadow: 0 14px 36px -18px rgba(0, 0, 0, 0.75);
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.portal-card::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--card-accent), transparent 80%);
}

.portal-card::after {
    content: "";
    position: absolute;
    right: -3.5rem;
    top: -3.5rem;
    width: 9rem;
    height: 9rem;
    border-radius: 50%;
    background: color-mix(in srgb, var(--card-accent) 10%, transparent);
    transition: transform 0.3s ease;
}

.portal-card:hover {
    transform: translateY(-5px);
    border-color: color-mix(in srgb, var(--card-accent) 40%, transparent);
    box-shadow: 0 22px 48px -16px color-mix(in srgb, var(--card-accent) 25%, transparent);
    color: var(--portal-ink);
}

.portal-card:hover::after {
    transform: scale(1.12);
}

.portal-card > * {
    position: relative;
    z-index: 1;
}

.portal-card__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.portal-card__icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    color: var(--card-accent);
    background: color-mix(in srgb, var(--card-accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--card-accent) 28%, transparent);
    transition: transform 0.25s ease;
}

.portal-card:hover .portal-card__icon {
    transform: scale(1.06);
}

.portal-card__badges {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.35rem;
}

.portal-card__num {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #64748b;
}

.portal-card__external {
    font-size: 0.62rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    background: rgba(45, 212, 191, 0.12);
    color: #5eead4;
    border: 1px solid rgba(45, 212, 191, 0.25);
}

.portal-card__body {
    flex: 1;
}

.portal-card__body h2 {
    margin: 0 0 0.45rem;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 800;
    color: #dbe7f7;
}

.portal-card__body p {
    margin: 0;
    color: var(--portal-muted);
    font-size: 0.84rem;
    line-height: 1.5;
}

.portal-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.85rem;
}

.portal-card__tags span {
    padding: 0.22rem 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--portal-line);
    background: rgba(15, 23, 42, 0.65);
    color: #94a3b8;
    font-size: 0.66rem;
    font-weight: 700;
}

.portal-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 1.1rem;
    padding: 0.72rem 0.9rem;
    border-radius: 12px;
    color: #fff;
    font-size: 0.82rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--card-accent), color-mix(in srgb, var(--card-accent) 70%, #0b1220));
    box-shadow: 0 10px 24px color-mix(in srgb, var(--card-accent) 22%, transparent);
}

.portal-card:hover .portal-card__cta i {
    transform: translateX(3px);
}

.portal-card__cta i {
    transition: transform 0.2s ease;
}

.portal-quick {
    margin-bottom: 1.5rem;
    padding: 1.15rem;
    border-radius: 18px;
    border: 1px solid var(--portal-line);
    background: rgba(15, 23, 42, 0.55);
    animation: portal-fade-up 0.5s ease-out 0.18s both;
}

.portal-quick__label {
    margin: 0 0 0.85rem;
    color: var(--portal-muted);
    font-size: 0.7rem;
    font-weight: 900;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.portal-quick__label::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: linear-gradient(120deg, var(--portal-accent), var(--portal-accent-2));
}

.portal-quick__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.65rem;
}

.portal-quick__link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.75rem 0.9rem;
    border-radius: 14px;
    border: 1px solid var(--portal-line);
    background: var(--portal-card);
    color: var(--portal-ink);
    text-decoration: none;
    transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.portal-quick__link:hover {
    background: var(--portal-card-hover);
    border-color: rgba(79, 156, 255, 0.35);
    transform: translateY(-2px);
    color: var(--portal-ink);
}

.portal-quick__icon {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.portal-quick__icon.tool-blue { color: #60a5fa; background: rgba(96, 165, 250, 0.12); }
.portal-quick__icon.tool-dark { color: #cbd5e1; background: rgba(148, 163, 184, 0.12); }
.portal-quick__icon.tool-orange { color: #fb923c; background: rgba(251, 146, 60, 0.12); }
.portal-quick__icon.tool-green { color: #34d399; background: rgba(52, 211, 153, 0.12); }
.portal-quick__icon.tool-navy { color: #7dd3fc; background: rgba(27, 58, 92, 0.35); }
.portal-quick__icon.tool-teal { color: #2dd4bf; background: rgba(45, 212, 191, 0.12); }
.portal-quick__icon.tool-red { color: #f87171; background: rgba(248, 113, 113, 0.12); }

.portal-quick__text strong {
    display: block;
    font-size: 0.84rem;
    font-weight: 800;
    line-height: 1.2;
    color: #dbe7f7;
}

.portal-quick__text span {
    display: block;
    margin-top: 0.08rem;
    color: var(--portal-muted);
    font-size: 0.72rem;
    font-weight: 600;
}

.portal-footer {
    margin-top: auto;
    padding-top: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    color: #64748b;
    font-size: 0.76rem;
    font-weight: 600;
    border-top: 1px solid var(--portal-line);
}

@keyframes portal-fade-down {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes portal-fade-up {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .portal-shell {
        width: min(100% - 1rem, 1480px);
    }

    .portal-topbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .portal-topbar__meta {
        justify-content: flex-start;
    }

    .portal-card {
        min-height: auto;
    }

    .portal-footer {
        flex-direction: column;
        text-align: center;
    }
}