/* =====================================================================
   v1.4.20 — Landing depth refinement
   Scope: index.php only (.guardrail-landing)
   Tujuan: menambah kedalaman visual tanpa mengubah flow/role/login.
   ===================================================================== */

.guardrail-landing {
    --landing-blue: #6ea8ff;
    --landing-blue-soft: rgba(96,165,250,.12);
    --landing-line: rgba(148,163,184,.26);
    --landing-shadow: 0 18px 44px rgba(2,8,23,.22);
    --landing-shadow-hover: 0 20px 48px rgba(2,8,23,.30);
}

.guardrail-landing .landing-modern {
    position: relative;
    background:
        radial-gradient(circle at 16% 22%, rgba(59,130,246,.10), transparent 28%),
        radial-gradient(circle at 84% 78%, rgba(37,99,235,.08), transparent 30%),
        linear-gradient(145deg, #0d172a 0%, var(--op-bg) 48%, #0b1425 100%);
}

.guardrail-landing .landing-modern::before,
.guardrail-landing .landing-modern::after {
    display: block;
    content: "";
    position: absolute;
    pointer-events: none;
    z-index: 0;
    border-radius: 0;
    filter: none;
}

.guardrail-landing .landing-modern::before {
    width: 360px;
    height: 360px;
    left: -150px;
    bottom: -110px;
    background-image: radial-gradient(circle, rgba(96,165,250,.18) 1.2px, transparent 1.3px);
    background-size: 18px 18px;
    opacity: .42;
    mask-image: linear-gradient(135deg, #000, transparent 72%);
}

.guardrail-landing .landing-modern::after {
    width: 330px;
    height: 330px;
    right: -120px;
    top: 70px;
    border: 1px solid rgba(96,165,250,.08);
    background:
        linear-gradient(135deg, rgba(96,165,250,.055), transparent 58%),
        radial-gradient(circle, rgba(96,165,250,.15) 1.2px, transparent 1.3px);
    background-size: auto, 18px 18px;
    transform: rotate(24deg);
    opacity: .46;
}

.guardrail-landing .landing-modern-shell {
    position: relative;
    z-index: 1;
}

.guardrail-landing .landing-brand-panel {
    overflow: hidden;
    border-color: var(--landing-line);
    background:
        linear-gradient(150deg, rgba(30,45,70,.94), rgba(19,31,51,.98));
    border-radius: 12px;
    box-shadow: var(--landing-shadow), inset 0 1px 0 rgba(255,255,255,.045);
}

.guardrail-landing .landing-brand-panel::before {
    display: block;
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    border-radius: inherit;
    background:
        radial-gradient(circle at 50% 42%, rgba(96,165,250,.10), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.025), transparent 38%);
}

.guardrail-landing .landing-brand-panel::after {
    content: "";
    position: absolute;
    width: 210px;
    height: 210px;
    right: -92px;
    bottom: -92px;
    border-radius: 50%;
    border: 1px solid rgba(96,165,250,.08);
    box-shadow: 0 0 0 28px rgba(96,165,250,.025), 0 0 0 58px rgba(96,165,250,.015);
    pointer-events: none;
}

.guardrail-landing .school-logo-stage {
    width: min(250px, 68%);
    margin-top: 28px;
    margin-bottom: 18px;
}

.guardrail-landing .school-logo-halo {
    display: block;
    inset: 5%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(96,165,250,.20), rgba(96,165,250,.05) 48%, transparent 72%);
    filter: blur(14px);
    opacity: .9;
}

.guardrail-landing .school-logo-frame {
    border: 1px solid rgba(148,163,184,.28);
    border-radius: 12px;
    background: linear-gradient(145deg, rgba(255,255,255,.045), rgba(255,255,255,.015));
    box-shadow:
        0 16px 30px rgba(2,8,23,.22),
        inset 0 1px 0 rgba(255,255,255,.05);
}

.guardrail-landing .school-logo {
    filter: drop-shadow(0 15px 24px rgba(2,8,23,.32));
}

.guardrail-landing .landing-brand-copy-top {
    margin-bottom: 2px;
}

.guardrail-landing .landing-school-name {
    font-size: clamp(28px, 2.5vw, 38px) !important;
    line-height: 1.15;
    font-weight: 700 !important;
    letter-spacing: .015em;
    color: var(--op-text) !important;
    margin-bottom: 6px;
}

.guardrail-landing .landing-brand-copy-bottom {
    padding-top: 22px;
}

.guardrail-landing .landing-brand-copy-bottom::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: min(310px, 78%);
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, rgba(96,165,250,.48), transparent);
}

.guardrail-landing .landing-brand-copy-bottom::after {
    content: "";
    position: absolute;
    top: -4px;
    left: 50%;
    width: 8px;
    height: 8px;
    transform: translateX(-50%) rotate(45deg);
    border: 1px solid rgba(245,185,76,.58);
    background: #18253a;
}

.guardrail-landing .landing-brand-copy h1 {
    font-size: clamp(30px, 2.8vw, 40px) !important;
    line-height: 1.12;
    font-weight: 700 !important;
    letter-spacing: -.018em;
}

.guardrail-landing .landing-access-panel {
    min-height: unset;
}

.guardrail-landing .modern-role-grid {
    gap: 11px;
}

.guardrail-landing .modern-role-card,
.guardrail-landing .modern-role-card-admin,
.guardrail-landing .role-siswa,
.guardrail-landing .role-petugas,
.guardrail-landing .role-sekretaris,
.guardrail-landing .role-staff,
.guardrail-landing .role-admin {
    position: relative;
    min-height: 84px;
    grid-template-columns: 54px minmax(0,1fr) 32px;
    gap: 18px;
    padding: 14px 18px;
    border-radius: 10px;
    border: 1px solid rgba(148,163,184,.27);
    background:
        linear-gradient(145deg, rgba(30,45,70,.96), rgba(20,32,52,.98));
    box-shadow:
        0 12px 26px rgba(2,8,23,.16),
        inset 0 1px 0 rgba(255,255,255,.035);
    overflow: hidden;
    transform: translateY(0);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.guardrail-landing .modern-role-card::before {
    display: block;
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: linear-gradient(180deg, transparent, rgba(96,165,250,.72), transparent);
    opacity: .48;
    transition: opacity .18s ease, width .18s ease;
}

.guardrail-landing .modern-role-card::after {
    display: block;
    content: "";
    position: absolute;
    width: 150px;
    height: 150px;
    right: -92px;
    top: -92px;
    border-radius: 50%;
    background: rgba(96,165,250,.07);
    opacity: .65;
    transition: transform .22s ease, opacity .22s ease;
}

.guardrail-landing .modern-role-card:hover,
.guardrail-landing .modern-role-card:focus-visible {
    transform: translateY(-2px);
    border-color: rgba(96,165,250,.55);
    background:
        linear-gradient(145deg, rgba(34,52,82,.98), rgba(21,35,58,.99));
    box-shadow: var(--landing-shadow-hover), inset 0 1px 0 rgba(255,255,255,.055);
}

.guardrail-landing .modern-role-card:hover::before,
.guardrail-landing .modern-role-card:focus-visible::before {
    opacity: 1;
    width: 4px;
}

.guardrail-landing .modern-role-card:hover::after,
.guardrail-landing .modern-role-card:focus-visible::after {
    transform: scale(1.12);
    opacity: 1;
}

.guardrail-landing .modern-role-card:active {
    transform: translateY(0) scale(.995);
}

.guardrail-landing .modern-role-icon {
    position: relative;
    z-index: 1;
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 12px;
    color: #83b4ff;
    background: linear-gradient(145deg, rgba(59,130,246,.18), rgba(59,130,246,.07));
    border: 1px solid rgba(96,165,250,.14);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.035);
}

.guardrail-landing .modern-role-icon svg {
    width: 28px;
    height: 28px;
    stroke-width: 1.8;
}

.guardrail-landing .modern-role-label {
    font-size: clamp(22px, 1.65vw, 26px) !important;
    line-height: 1.2;
    font-weight: 700 !important;
    letter-spacing: -.012em;
}

.guardrail-landing .modern-role-arrow {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    color: #9fb4d0;
    background: rgba(148,163,184,.06);
    font-size: 0;
    transition: transform .18s ease, color .18s ease, background .18s ease;
}

.guardrail-landing .modern-role-arrow::before {
    content: "›";
    font-size: 34px;
    line-height: 1;
    font-weight: 500;
    transform: translateY(-1px);
}

.guardrail-landing .modern-role-card:hover .modern-role-arrow,
.guardrail-landing .modern-role-card:focus-visible .modern-role-arrow {
    transform: translateX(3px);
    color: #dce9ff;
    background: rgba(96,165,250,.13);
}

.guardrail-landing .role-admin .modern-role-icon {
    color: #a7b7ff;
    background: linear-gradient(145deg, rgba(99,102,241,.17), rgba(99,102,241,.07));
    border-color: rgba(129,140,248,.15);
}

/* Tombol tema: sedikit elevation agar tidak tampak menempel pada background. */
.guardrail-landing .theme-toggle,
.guardrail-landing [data-theme-toggle] {
    box-shadow: 0 10px 24px rgba(2,8,23,.20);
}

/* ---------------- Light theme ---------------- */
html[data-theme="light"] .guardrail-landing .landing-modern {
    background:
        radial-gradient(circle at 16% 22%, rgba(37,99,235,.07), transparent 28%),
        radial-gradient(circle at 84% 78%, rgba(59,130,246,.055), transparent 30%),
        linear-gradient(145deg, #f4f7fb 0%, var(--op-bg) 52%, #edf2f8 100%);
}

html[data-theme="light"] .guardrail-landing .landing-brand-panel {
    border-color: #c8d3e0;
    background: linear-gradient(150deg, #ffffff, #f6f9fc);
    box-shadow: 0 18px 42px rgba(51,65,85,.11), inset 0 1px 0 #fff;
}

html[data-theme="light"] .guardrail-landing .landing-brand-panel::before {
    background:
        radial-gradient(circle at 50% 42%, rgba(37,99,235,.065), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.8), transparent 38%);
}

html[data-theme="light"] .guardrail-landing .landing-brand-copy-bottom::after {
    background: #f7f9fc;
}

html[data-theme="light"] .guardrail-landing .school-logo-frame {
    border-color: #cbd5e1;
    background: linear-gradient(145deg, #fbfdff, #eef3f8);
    box-shadow: 0 14px 28px rgba(51,65,85,.10), inset 0 1px 0 #fff;
}

html[data-theme="light"] .guardrail-landing .modern-role-card,
html[data-theme="light"] .guardrail-landing .modern-role-card-admin,
html[data-theme="light"] .guardrail-landing .role-siswa,
html[data-theme="light"] .guardrail-landing .role-petugas,
html[data-theme="light"] .guardrail-landing .role-sekretaris,
html[data-theme="light"] .guardrail-landing .role-staff,
html[data-theme="light"] .guardrail-landing .role-admin {
    border-color: #ccd6e3;
    background: linear-gradient(145deg, #ffffff, #f4f7fb);
    box-shadow: 0 10px 24px rgba(51,65,85,.08), inset 0 1px 0 #fff;
    color: var(--op-text);
}

html[data-theme="light"] .guardrail-landing .modern-role-card:hover,
html[data-theme="light"] .guardrail-landing .modern-role-card:focus-visible {
    border-color: rgba(37,99,235,.42);
    background: linear-gradient(145deg, #ffffff, #eef5ff);
    box-shadow: 0 16px 32px rgba(51,65,85,.12), inset 0 1px 0 #fff;
}

html[data-theme="light"] .guardrail-landing .modern-role-icon {
    color: #2563b8;
    background: linear-gradient(145deg, #edf4ff, #e5effd);
    border-color: #d7e5fb;
}

html[data-theme="light"] .guardrail-landing .modern-role-arrow {
    color: #60728b;
    background: #edf2f7;
}

/* ---------------- Responsive ---------------- */
@media (min-width: 981px) {
    .guardrail-landing .landing-modern-shell {
        width: min(1020px, 100%);
        grid-template-columns: minmax(390px, .98fr) minmax(430px, 1.02fr);
        gap: 20px;
    }

    .guardrail-landing .landing-brand-panel,
    .guardrail-landing .landing-access-panel {
        height: 550px;
        min-height: 550px;
        max-height: 550px;
    }
}

@media (max-width: 980px) {
    .guardrail-landing .landing-modern-shell {
        max-width: 720px;
    }

    .guardrail-landing .landing-brand-panel {
        min-height: 440px;
    }

    .guardrail-landing .landing-access-panel {
        min-height: auto;
    }

    .guardrail-landing .modern-role-grid {
        grid-template-columns: 1fr;
    }

    .guardrail-landing .modern-role-card,
    .guardrail-landing .modern-role-card-admin {
        grid-column: 1;
    }
}

@media (max-width: 720px) {
    .guardrail-landing .landing-modern {
        padding: 14px;
    }

    .guardrail-landing .landing-brand-panel {
        min-height: auto;
        padding: 22px 18px 24px;
    }

    .guardrail-landing .school-logo-stage {
        width: min(185px, 55vw);
        margin-top: 14px;
        margin-bottom: 14px;
    }

    .guardrail-landing .landing-school-name {
        font-size: clamp(24px, 7vw, 31px) !important;
    }

    .guardrail-landing .landing-brand-copy h1 {
        font-size: clamp(27px, 7.4vw, 34px) !important;
    }

    .guardrail-landing .landing-brand-copy-bottom {
        padding-top: 18px;
    }

    .guardrail-landing .modern-role-card,
    .guardrail-landing .modern-role-card-admin {
        min-height: 74px;
        padding: 10px 13px;
        grid-template-columns: 48px minmax(0,1fr) 28px;
        gap: 13px;
    }

    .guardrail-landing .modern-role-icon {
        width: 46px;
        height: 46px;
        min-width: 46px;
        border-radius: 10px;
    }

    .guardrail-landing .modern-role-icon svg {
        width: 25px;
        height: 25px;
    }

    .guardrail-landing .modern-role-label {
        font-size: 20px !important;
    }

    .guardrail-landing .modern-role-arrow {
        width: 28px;
        height: 28px;
    }

    .guardrail-landing .modern-role-arrow::before {
        font-size: 30px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .guardrail-landing .modern-role-card,
    .guardrail-landing .modern-role-card::before,
    .guardrail-landing .modern-role-card::after,
    .guardrail-landing .modern-role-arrow {
        transition: none !important;
    }
}

/* =====================================================================
   v1.4.22 — Landing fixed 550px symmetric panels
   Scope: desktop landing only.
   Panel identitas kiri dan stack role kanan memakai tinggi tetap 550px yang sama.
   ===================================================================== */
@media (min-width: 981px) {
    .guardrail-landing .landing-modern-shell {
        align-items: stretch;
    }

    .guardrail-landing .landing-brand-panel,
    .guardrail-landing .landing-access-panel {
        height: 550px;
        min-height: 550px;
        max-height: 550px;
    }

    .guardrail-landing .landing-access-panel {
        display: flex;
        flex-direction: column;
        justify-content: stretch;
        padding: 0;
    }

    .guardrail-landing .modern-role-grid {
        flex: 1 1 auto;
        height: 100%;
        min-height: 0;
        display: grid;
        grid-template-columns: 1fr;
        grid-template-rows: repeat(5, minmax(0, 1fr));
        gap: 11px;
    }

    .guardrail-landing .modern-role-card,
    .guardrail-landing .modern-role-card-admin,
    .guardrail-landing .role-siswa,
    .guardrail-landing .role-petugas,
    .guardrail-landing .role-sekretaris,
    .guardrail-landing .role-staff,
    .guardrail-landing .role-admin {
        height: 100%;
        min-height: 0;
    }
}