/* StudyBuddy Phase 3: Quest Vault + Server Theme Polish */

:root {
    --sb-phase3-bg: radial-gradient(circle at 15% 10%, rgba(103, 232, 249, .18), transparent 32%),
        radial-gradient(circle at 82% 0%, rgba(216, 180, 254, .16), transparent 32%),
        linear-gradient(135deg, #070b2d 0%, #11103f 48%, #2e1065 100%);
    --sb-phase3-card: rgba(16, 24, 58, .72);
    --sb-phase3-border: rgba(186, 230, 253, .22);
    --sb-phase3-text: #f8fafc;
    --sb-phase3-muted: rgba(226, 232, 240, .76);
    --sb-phase3-accent: #67e8f9;
    --sb-phase3-purple: #c084fc;
    --sb-phase3-gold: #fde68a;
}

.sb-quest-page {
    width: min(1160px, calc(100% - 32px));
    margin: 0 auto;
    padding: 44px 0 72px;
    color: var(--sb-phase3-text);
}

.sb-quest-hero {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 34px;
    border: 1px solid var(--sb-phase3-border);
    border-radius: 34px;
    background: var(--sb-phase3-bg);
    box-shadow: 0 28px 90px rgba(103, 232, 249, .15);
    overflow: hidden;
    position: relative;
}

.sb-quest-hero::after {
    content: "";
    position: absolute;
    inset: auto -80px -120px auto;
    width: 260px;
    height: 260px;
    border-radius: 999px;
    background: rgba(192, 132, 252, .18);
    filter: blur(12px);
}

.sb-eyebrow {
    margin: 0 0 10px;
    color: var(--sb-phase3-accent);
    font-weight: 800;
    letter-spacing: .16em;
    text-transform: uppercase;
    font-size: .78rem;
}

.sb-quest-hero h1 {
    margin: 0;
    font-size: clamp(2.2rem, 5vw, 4.6rem);
    line-height: .95;
}

.sb-quest-hero p {
    max-width: 680px;
    margin: 16px 0 0;
    color: var(--sb-phase3-muted);
    font-size: 1.06rem;
}

.sb-quest-orb {
    width: 118px;
    height: 118px;
    display: grid;
    place-items: center;
    border-radius: 34px;
    background: linear-gradient(135deg, rgba(103, 232, 249, .22), rgba(192, 132, 252, .28));
    border: 1px solid rgba(255, 255, 255, .18);
    box-shadow: 0 24px 60px rgba(192, 132, 252, .24);
    font-size: 3.2rem;
}

.sb-quest-alert {
    margin: 18px 0;
    padding: 14px 18px;
    border: 1px solid rgba(134, 239, 172, .28);
    border-radius: 18px;
    background: rgba(20, 83, 45, .35);
    color: #bbf7d0;
    font-weight: 800;
}

.sb-quest-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin: 20px 0;
}

.sb-quest-stats article,
.sb-quest-card,
.sb-empty-quest {
    border: 1px solid var(--sb-phase3-border);
    background: var(--sb-phase3-card);
    box-shadow: 0 20px 70px rgba(15, 23, 42, .22);
    backdrop-filter: blur(16px);
}

.sb-quest-stats article {
    border-radius: 22px;
    padding: 18px;
}

.sb-quest-stats strong {
    display: block;
    font-size: 2rem;
    color: var(--sb-phase3-accent);
}

.sb-quest-stats span {
    color: var(--sb-phase3-muted);
    font-weight: 700;
}

.sb-quest-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin-top: 22px;
}

.sb-quest-card {
    border-radius: 28px;
    padding: 22px;
    position: relative;
    overflow: hidden;
}

.sb-quest-card::before {
    content: "";
    position: absolute;
    inset: -80px -80px auto auto;
    width: 160px;
    height: 160px;
    border-radius: 999px;
    background: rgba(103, 232, 249, .12);
}

.sb-quest-card-top,
.sb-quest-meta,
.sb-quest-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.sb-quest-card-top {
    justify-content: space-between;
}

.sb-quest-pill,
.sb-quest-status,
.sb-quest-meta span {
    border-radius: 999px;
    padding: 7px 10px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .1);
    color: var(--sb-phase3-muted);
    font-size: .78rem;
    font-weight: 800;
}

.sb-quest-status {
    color: var(--sb-phase3-gold);
}

.sb-status-completed {
    color: #86efac;
}

.sb-status-in-progress {
    color: #67e8f9;
}

.sb-quest-card h2 {
    margin: 18px 0 10px;
    font-size: 1.35rem;
}

.sb-quest-card p {
    color: var(--sb-phase3-muted);
    line-height: 1.65;
}

.sb-progress-track {
    height: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .1);
    overflow: hidden;
    margin: 18px 0;
}

.sb-progress-track span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--sb-phase3-accent), var(--sb-phase3-purple));
}

.sb-quest-actions button,
.sb-quest-remove button,
.sb-empty-quest a {
    border: 0;
    border-radius: 999px;
    padding: 10px 14px;
    background: linear-gradient(135deg, #67e8f9, #c084fc);
    color: #08111f;
    font-weight: 900;
    cursor: pointer;
    text-decoration: none;
}

.sb-quest-remove {
    margin-top: 10px;
}

.sb-quest-remove button {
    background: rgba(255, 255, 255, .08);
    color: var(--sb-phase3-muted);
    border: 1px solid rgba(255, 255, 255, .12);
}

.sb-empty-quest {
    text-align: center;
    border-radius: 32px;
    padding: 48px 24px;
    margin-top: 22px;
}

.sb-empty-icon {
    font-size: 3rem;
}

.sb-empty-quest p {
    color: var(--sb-phase3-muted);
}

.sb-empty-quest a {
    display: inline-flex;
    margin-top: 12px;
}

.sb-quest-pagination {
    margin-top: 24px;
}

.sb-quest-floating-link {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 60;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 12px 16px;
    background: linear-gradient(135deg, #67e8f9, #c084fc);
    color: #08111f;
    font-weight: 950;
    text-decoration: none;
    box-shadow: 0 18px 50px rgba(103, 232, 249, .28);
}

.sb-phase3-toast {
    position: fixed;
    left: 50%;
    bottom: 26px;
    z-index: 9999;
    transform: translateX(-50%) translateY(18px);
    opacity: 0;
    max-width: min(460px, calc(100% - 32px));
    padding: 13px 18px;
    border-radius: 999px;
    background: rgba(15, 23, 42, .94);
    color: #f8fafc;
    border: 1px solid rgba(103, 232, 249, .3);
    box-shadow: 0 24px 80px rgba(0, 0, 0, .35);
    font-weight: 850;
    pointer-events: none;
    transition: .24s ease;
}

.sb-phase3-toast.is-visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

@media (max-width: 900px) {
    .sb-quest-hero {
        grid-template-columns: 1fr;
    }

    .sb-quest-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .sb-quest-grid {
        grid-template-columns: 1fr;
    }

    .sb-quest-orb {
        width: 86px;
        height: 86px;
        font-size: 2.2rem;
    }
}

@media (max-width: 560px) {
    .sb-quest-page {
        width: min(100% - 20px, 1160px);
        padding-top: 22px;
    }

    .sb-quest-hero {
        padding: 24px;
        border-radius: 24px;
    }

    .sb-quest-stats {
        grid-template-columns: 1fr;
    }

    .sb-quest-floating-link {
        right: 12px;
        bottom: 12px;
        padding: 10px 13px;
    }
}