@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --ink: #0b1324;
    --muted: #64748b;
    --line: #d7e1ef;
    --line-strong: #c2d0e4;
    --nav: rgba(9, 16, 29, 0.88);
    --primary: #2459e0;
    --primary-deep: #143a9f;
    --primary-soft: #dbe7ff;
    --accent: #0f8a7c;
    --accent-soft: #d4f8f0;
    --violet: #4f46e5;
    --violet-soft: #ecebff;
    --danger: #b42318;
    --danger-soft: #fee4e2;
    --shadow: 0 24px 60px rgba(11, 19, 36, 0.08);
    --shadow-strong: 0 36px 110px rgba(11, 19, 36, 0.12);
    --hero-shadow: 0 42px 120px rgba(11, 19, 36, 0.15);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Plus Jakarta Sans", "Segoe UI", Arial, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at 8% 8%, rgba(36, 89, 224, 0.16), transparent 20%),
        radial-gradient(circle at 88% 10%, rgba(15, 138, 124, 0.12), transparent 18%),
        radial-gradient(circle at 50% 100%, rgba(79, 70, 229, 0.08), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #edf3fb 100%);
}

a { color: inherit; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 40;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 18px 30px;
    background: var(--nav);
    backdrop-filter: blur(22px) saturate(140%);
    border-bottom: 1px solid rgba(191, 208, 226, 0.16);
    box-shadow: 0 12px 32px rgba(8, 17, 32, 0.12);
    color: #f8fafc;
}

.topbar-brand, .toolbar, .toolbar-group, .role-card-head, .role-card-meta, .role-card-actions, .log-row, .user-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.badge-mark {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background:
        linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.04)),
        linear-gradient(135deg, #2f6df6, #11a58f);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.24), 0 14px 30px rgba(37,99,235,.24);
    font-weight: 900;
    letter-spacing: .08em;
}

.brand-meta strong {
    display: block;
    font-size: 15px;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.brand-meta span {
    display: block;
    margin-top: 4px;
    color: #c8d5e6;
    font-size: 13px;
}

.topbar-links {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.topbar-links a {
    text-decoration: none;
    color: #e2e8f0;
    padding: 11px 16px;
    border-radius: 999px;
    border: 1px solid rgba(191, 208, 226, 0.16);
    background: rgba(255,255,255,.06);
    font-weight: 700;
    transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.topbar-links a:first-child {
    background: linear-gradient(135deg, rgba(36,89,224,.18), rgba(36,89,224,.08));
    border-color: rgba(96,165,250,.24);
}

.topbar-links a:hover,
.hero-actions a:hover,
.hero-actions button:hover,
.primary-button:hover,
.secondary-button:hover,
.danger-button:hover,
.workspace-card:hover,
.user-card:hover,
.role-card:hover {
    transform: translateY(-1px);
}

.page-wrap {
    max-width: 1540px;
    margin: 0 auto;
    padding: 28px 26px 64px;
}

.hero {
    position: relative;
    overflow: hidden;
    border-radius: 38px;
    padding: 34px 36px;
    background:
        linear-gradient(145deg, rgba(255,255,255,.98), rgba(255,255,255,.76)),
        linear-gradient(135deg, #dbe8ff, #d8faf4 52%, #e8f4ff);
    border: 1px solid rgba(191,208,226,.48);
    box-shadow: var(--hero-shadow);
    margin-bottom: 28px;
}

.hero::before {
    content: "";
    position: absolute;
    inset: auto -120px -120px auto;
    width: 340px;
    height: 340px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(255,255,255,.52), rgba(255,255,255,0));
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, .95fr);
    gap: 22px;
}

.hero-grid-wide { grid-template-columns: minmax(0, 1.4fr) minmax(320px, .9fr); }

.eyebrow, .section-tag, .auth-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(8,17,32,.06);
    color: #1e293b;
    font-size: 11px;
    letter-spacing: .14em;
    font-weight: 800;
    text-transform: uppercase;
}

.hero h1, .section-header h2, .surface-card h2 {
    margin: 14px 0 12px;
    font-size: 48px;
    line-height: 1.01;
    letter-spacing: -.04em;
}

.admin-rail .surface-card h2,
.admin-info-card h2 {
    font-size: 30px;
    line-height: 1.08;
}

.hero p, .section-header p, .surface-card p, .workspace-copy p, .signal-card p, .auth-brand p, .auth-point span {
    margin: 0;
    color: var(--muted);
    line-height: 1.72;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 18px;
}

.hero-actions a, .hero-actions button, .primary-button, .secondary-button, .danger-button {
    border-radius: 18px;
    padding: 13px 18px;
    font-weight: 800;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.primary-link, .primary-button {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    box-shadow: 0 18px 36px rgba(29,78,216,.24);
}

.secondary-link, .secondary-button, .admin-tab-shortcut {
    color: var(--ink);
    background: #e8eef7;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.6);
}

.danger-button {
    color: #fff;
    background: linear-gradient(135deg, #ef4444, #b91c1c);
}

.signal-card, .stat-card, .surface-card, .workspace-card, .user-card, .role-card, .log-card, .auth-card {
    background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,252,.90));
    border: 1px solid rgba(191,208,226,.58);
    box-shadow: var(--shadow);
}

.signal-card, .surface-card, .workspace-card, .role-card, .user-card, .log-card, .auth-card { border-radius: 28px; }

.signal-card, .stat-card, .surface-card, .auth-card { padding: 26px; }

.signal-chip {
    display: inline-flex;
    margin-top: 16px;
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.stat-card { border-radius: 24px; padding: 20px; }
.stat-label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; }
.stat-value { margin-top: 10px; font-size: 30px; font-weight: 900; letter-spacing: -.05em; }
.stat-foot { margin-top: 8px; color: #475569; font-size: 12px; }

.workspace-section, .surface-card { padding: 26px; }
.workspace-grid, .role-card-grid, .user-card-list, .flash-stack, .log-list { display: grid; gap: 16px; }
.workspace-grid { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.role-card-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.workspace-card {
    display: flex;
    gap: 14px;
    padding: 20px;
    text-decoration: none;
}

.workspace-icon {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(37,99,235,.12), rgba(15,118,110,.12));
    color: var(--primary-deep);
    font-weight: 900;
}

.workspace-copy h3, .role-card-head h3 { margin: 0 0 6px; font-size: 24px; letter-spacing: -.03em; }

.admin-panels {
    margin-top: 18px;
}

.admin-tabbar {
    position: sticky;
    top: 92px;
    z-index: 25;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding: 14px;
    margin-bottom: 8px;
    border-radius: 24px;
    background: rgba(248, 250, 252, 0.82);
    border: 1px solid rgba(191, 208, 226, 0.58);
    backdrop-filter: blur(18px);
    box-shadow: 0 16px 36px rgba(11, 19, 36, 0.08);
}

.admin-tab,
.admin-tab-shortcut {
    border: 1px solid rgba(191, 208, 226, 0.72);
    background: rgba(255,255,255,.92);
    color: #1e293b;
    font: inherit;
    cursor: pointer;
}

.admin-tab {
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 800;
    letter-spacing: .08em;
    text-transform: uppercase;
    transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.admin-tab:hover,
.admin-tab-shortcut:hover {
    transform: translateY(-1px);
}

.admin-tab.is-active {
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 16px 30px rgba(29,78,216,.24);
}

.admin-panel {
    display: block;
}

.admin-panel[hidden] {
    display: none !important;
}

.admin-panel-grid {
    display: grid;
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
}

.admin-rail,
.admin-main,
.user-actions,
.auth-points,
.auth-form,
.user-meta,
.mini-stat-list {
    display: grid;
    gap: 16px;
}

.admin-rail {
    position: sticky;
    top: 180px;
}

.split-surface-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.audit-stack {
    display: grid;
    gap: 20px;
}

.split-surface-grid-audit .surface-card {
    min-height: 100%;
}

.mini-stat {
    display: grid;
    gap: 6px;
    padding: 14px 16px;
    border-radius: 20px;
    background: rgba(246,249,253,.96);
    border: 1px solid rgba(191,208,226,.72);
}

.mini-stat span {
    color: var(--muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.mini-stat strong {
    color: #142033;
    font-size: 16px;
}

.admin-form label, .auth-form label {
    display: block;
    margin: 0 0 8px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: #314158;
}

input, select {
    width: 100%;
    box-sizing: border-box;
    border-radius: 20px;
    border: 1px solid var(--line-strong);
    background: rgba(255,255,255,.98);
    padding: 15px 16px;
    font-size: 14px;
    color: var(--ink);
}

.page-wrap-narrow {
    max-width: 880px;
}

.password-surface {
    max-width: 760px;
    margin: 0 auto;
}

.password-form {
    margin-top: 10px;
}

.password-input-wrap {
    position: relative;
}

.password-input-wrap input {
    padding-right: 96px;
}

.password-visibility {
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translateY(-50%);
    border: 1px solid rgba(191,208,226,.86);
    background: rgba(248,250,252,.96);
    color: #24334a;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 800;
    cursor: pointer;
    transition: background .18s ease, border-color .18s ease, transform .18s ease;
}

.password-visibility:hover {
    background: #eef4ff;
    border-color: rgba(36, 89, 224, 0.28);
    transform: translateY(calc(-50% - 1px));
}

.password-hint {
    margin-top: -4px;
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

input:focus, select:focus {
    outline: none;
    border-color: #7aa2ff;
    box-shadow: 0 0 0 4px rgba(59,130,246,.14);
}

.permission-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 6px;
}

.permission-chip {
    display: block;
    position: relative;
    cursor: pointer;
}

.permission-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.permission-chip-ui {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-height: 92px;
    padding: 14px 14px 14px 16px;
    border-radius: 22px;
    border: 1px solid rgba(191,208,226,.76);
    background:
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(247,250,253,.96));
    box-shadow: 0 10px 24px rgba(11, 19, 36, 0.05);
    transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.permission-chip-create .permission-chip-ui {
    min-height: 106px;
}

.permission-chip-map .permission-chip-ui {
    min-height: 84px;
    padding: 12px 13px 12px 14px;
}

.permission-chip:hover .permission-chip-ui {
    transform: translateY(-1px);
    border-color: rgba(36, 89, 224, 0.28);
    box-shadow: 0 14px 28px rgba(11, 19, 36, 0.08);
}

.permission-chip-mark {
    width: 20px;
    height: 20px;
    border-radius: 7px;
    border: 1.5px solid #b9c8da;
    background: #fff;
    flex: 0 0 20px;
    margin-top: 2px;
    position: relative;
    transition: all .18s ease;
}

.permission-chip-copy {
    display: grid;
    gap: 6px;
    min-width: 0;
    flex: 1;
}

.permission-chip-copy strong {
    font-size: 13px;
    line-height: 1.18;
    color: #172033;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.permission-chip-copy small {
    font-size: 11px;
    line-height: 1.45;
    color: #6b7b91;
}

.permission-chip-map .permission-chip-copy {
    gap: 4px;
}

.permission-chip-map .permission-chip-copy strong {
    font-size: 12px;
    letter-spacing: .03em;
}

.permission-chip-map .permission-chip-copy small {
    font-size: 10px;
    line-height: 1.35;
}

.permission-chip input:checked + .permission-chip-ui {
    border-color: rgba(36, 89, 224, 0.38);
    background:
        linear-gradient(180deg, rgba(236,243,255,.98), rgba(248,251,255,.98));
    box-shadow: 0 16px 34px rgba(36, 89, 224, 0.12);
}

.permission-chip input:checked + .permission-chip-ui .permission-chip-mark {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--primary-deep));
    box-shadow: 0 8px 16px rgba(36,89,224,.22);
}

.permission-chip input:checked + .permission-chip-ui .permission-chip-mark::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 5px;
    height: 10px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.permission-grid-compact .permission-chip-ui {
    min-height: 82px;
    padding: 13px 13px 13px 14px;
}

.role-card { padding: 20px; }
.role-card-meta, .toolbar-meta, .row-muted, .log-details, .log-time { color: var(--muted); font-size: 12px; }
.role-card-admin { border-color: rgba(96,165,250,.38); }
.role-card-manager { border-color: rgba(45,212,191,.34); }
.role-card-research { border-color: rgba(139,92,246,.28); }

.role-card-admin .permission-chip input:checked + .permission-chip-ui {
    border-color: rgba(59,130,246,.38);
    background: linear-gradient(180deg, rgba(238,245,255,.98), rgba(248,251,255,.98));
}

.role-card-manager .permission-chip input:checked + .permission-chip-ui {
    border-color: rgba(20,184,166,.34);
    background: linear-gradient(180deg, rgba(236,253,250,.98), rgba(248,252,251,.98));
}

.role-card-research .permission-chip input:checked + .permission-chip-ui {
    border-color: rgba(99,102,241,.30);
    background: linear-gradient(180deg, rgba(241,240,255,.98), rgba(249,248,255,.98));
}

.role-pill, .signal-chip, .log-badge, .id-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 11px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.admin-pill { background: rgba(29,78,216,.12); color: #1d4ed8; }
.manager-pill { background: rgba(20,184,166,.12); color: #0f766e; }
.research-pill { background: rgba(99,102,241,.12); color: var(--violet); }

.toolbar { margin-bottom: 8px; flex-wrap: wrap; }
.toolbar-group { flex-wrap: wrap; }
.toolbar input, .toolbar select { min-width: 220px; width: auto; }

.user-card {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(120px, .28fr) minmax(420px, .95fr);
    gap: 14px;
    align-items: start;
    padding: 18px;
}

.user-main,
.user-meta,
.user-actions,
.user-role-wrap {
    min-width: 0;
}

.user-email, .log-admin, .log-target {
    font-weight: 700;
    overflow-wrap: anywhere;
}

.user-role-wrap { padding-top: 2px; }

.compact-record-list .user-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
}

.compact-record-list .user-actions {
    display: flex;
    justify-content: flex-start;
}

.compact-record-list .action-form-delete {
    justify-content: flex-start;
}

.compact-record-list .role-pill {
    letter-spacing: .04em;
    text-transform: none;
}

.id-pill {
    justify-content: center;
    min-width: 36px;
    background: #eef3f9;
    color: #1e293b;
}

.action-form, .session-note {
    display: flex;
    gap: 8px;
    align-items: center;
    padding: 10px;
    border-radius: 18px;
    background: rgba(246,249,253,.96);
    border: 1px solid rgba(191,208,226,.72);
}

.action-form-delete { justify-content: flex-end; }
.session-note { display: block; }
.log-card { padding: 18px; }

.workspace-card-admin {
    background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(251,247,238,.94));
    border-color: rgba(245, 158, 11, 0.28);
}

.workspace-card-admin .workspace-icon {
    background: linear-gradient(135deg, rgba(245,158,11,.18), rgba(180,83,9,.18));
    color: #b45309;
}

.log-badge { background: var(--primary-soft); color: var(--primary-deep); }
.action-create { background: var(--accent-soft); color: var(--accent); }
.action-delete { background: var(--danger-soft); color: var(--danger); }
.action-password { background: var(--violet-soft); color: var(--violet); }

.flash-card {
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(236,253,245,.92);
    border: 1px solid rgba(110,231,183,.9);
    color: #166534;
}

.flash-error { background: rgba(254,242,242,.95); border-color: rgba(252,165,165,.9); color: #b91c1c; }

.auth-shell {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 32px 18px;
}

.auth-brand {
    padding: 54px 48px;
    background: linear-gradient(160deg, #0a1220 0%, #10213c 52%, #0f2a4a 100%);
    color: #f8fafc;
}

.auth-brand h1 { margin: 18px 0 12px; font-size: 54px; line-height: .98; }
.auth-point { padding: 16px; border-radius: 20px; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); }
.auth-point strong { display: block; margin-bottom: 6px; }
.auth-panel {
    width: 100%;
    max-width: 460px;
    display: grid;
    place-items: center;
    padding: 0;
}
.auth-card { width: 100%; box-shadow: var(--hero-shadow); padding: 30px; }
.auth-brand-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
}
.auth-mark {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background:
        linear-gradient(135deg, rgba(255,255,255,.18), rgba(255,255,255,.04)),
        linear-gradient(135deg, #3b82f6, #0f766e);
    color: #fff;
    font-weight: 900;
}
.auth-brand-copy {
    display: grid;
    gap: 6px;
}
.auth-brand-subline {
    color: #64748b;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.auth-card h2 { margin: 14px 0 8px; font-size: 36px; letter-spacing: -.03em; }
.auth-subtitle { margin-bottom: 4px !important; }
.auth-submit { width: 100%; }
.flash-stack-auth { gap: 8px; margin-top: -2px; }
.flash-error-auth {
    padding: 0;
    border: none;
    background: transparent;
    color: #ef4444;
    border-radius: 0;
    font-size: 16px;
    line-height: 1.45;
    box-shadow: none;
}
.auth-form { margin-top: 14px; }

@media (max-width: 1100px) {
    .hero h1, .section-header h2, .surface-card h2 { font-size: 38px; }
}

@media (max-width: 1200px) {
    .hero-grid, .admin-panel-grid, .split-surface-grid, .user-card { grid-template-columns: 1fr; }
    .admin-rail { position: static; }
}

@media (max-width: 900px) {
    .auth-shell { padding: 18px 12px; }
    .auth-brand { padding: 40px 24px 20px; }
    .auth-panel { padding: 0; }
    .auth-card { padding: 24px; border-radius: 24px; }
    .auth-brand-row { gap: 12px; }
}

@media (max-width: 820px) {
    .topbar { padding: 16px 18px; flex-direction: column; align-items: stretch; }
    .page-wrap { padding: 18px 14px 40px; }
    .hero { padding: 24px 20px; border-radius: 28px; }
    .hero h1, .section-header h2, .surface-card h2 { font-size: 34px; }
    .stats, .permission-grid { grid-template-columns: 1fr; }
    .admin-tabbar { top: 122px; padding: 12px; }
    .admin-tab { width: 100%; justify-content: center; }
    .toolbar input, .toolbar select { width: 100%; min-width: 0; }
    .action-form { flex-direction: column; align-items: stretch; }
    .permission-chip-ui { min-height: 76px; }
    .permission-chip-create .permission-chip-ui,
    .permission-chip-map .permission-chip-ui { min-height: auto; }
}