:root {
    --navy-950: #0b1628;
    --navy-900: #10213a;
    --navy-800: #173454;
    --blue-600: #1c6fd1;
    --blue-500: #2f86e6;
    --blue-100: #e9f2ff;
    --slate-700: #334155;
    --slate-500: #64748b;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --surface: #ffffff;
    --green-600: #15803d;
    --green-100: #dcfce7;
    --amber-600: #b45309;
    --amber-100: #fef3c7;
    --shadow: 0 10px 30px rgba(15, 23, 42, .08);
    --radius: 16px;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--slate-100); }

body {
    margin: 0;
    min-height: 100vh;
    color: var(--navy-950);
    background: var(--slate-100);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.45;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px minmax(0, 1fr); }

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 24px 18px;
    color: #fff;
    background: linear-gradient(160deg, var(--navy-950), var(--navy-800));
}

.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 26px; }
.brand-mark {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 13px;
    color: #fff;
    background: linear-gradient(135deg, var(--blue-500), #48b7c8);
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 8px 22px rgba(47, 134, 230, .32);
}
.brand strong { display: block; font-size: 18px; letter-spacing: .12em; }
.brand small { display: block; margin-top: 1px; color: #bcd0e5; font-size: 11px; }

.main-nav { display: grid; gap: 8px; }
.main-nav a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 12px 14px;
    border-radius: 11px;
    color: #c8d7e7;
    font-weight: 650;
}
.main-nav a:hover, .main-nav a.active { color: #fff; background: rgba(255, 255, 255, .1); }
.main-nav a.active { box-shadow: inset 3px 0 var(--blue-500); }

.sidebar-footer { margin-top: auto; padding: 18px 10px 0; border-top: 1px solid rgba(255, 255, 255, .12); }
.sidebar-footer > span { display: block; margin-bottom: 5px; font-size: 13px; color: #d8e4ef; }
.link-button { border: 0; padding: 0; color: #9fc1e0; background: none; cursor: pointer; }
.link-button:hover { color: #fff; }

.main-content { min-width: 0; padding: 28px clamp(18px, 3vw, 44px) 52px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.topbar h1 { margin: 2px 0 0; font-size: clamp(25px, 3vw, 34px); letter-spacing: -.035em; }
.eyebrow { margin: 0; color: var(--blue-600); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.profile-chip { display: flex; align-items: center; gap: 9px; padding: 6px 10px 6px 6px; border: 1px solid var(--slate-200); border-radius: 999px; background: #fff; font-size: 13px; box-shadow: 0 4px 16px rgba(15, 23, 42, .04); }
.avatar { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--navy-800); font-weight: 800; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 22px; }
.metric-card { position: relative; overflow: hidden; min-height: 155px; padding: 22px; border: 1px solid var(--slate-200); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.metric-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--blue-600); }
.metric-card.accent-amber::before { background: #d98b1e; }
.metric-card.accent-green::before { background: #22a25a; }
.metric-card.accent-slate::before { background: var(--slate-500); }
.metric-label { display: block; color: var(--slate-500); font-size: 13px; font-weight: 700; }
.metric-card strong { display: block; margin: 10px 0 12px; font-size: 38px; line-height: 1; letter-spacing: -.04em; }
.metric-card a { color: var(--blue-600); font-size: 12px; font-weight: 750; }
.metric-hint { color: var(--slate-500); font-size: 12px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(300px, .8fr); gap: 22px; align-items: start; }
.panel { border: 1px solid var(--slate-200); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 20px 22px; border-bottom: 1px solid var(--slate-200); }
.panel-heading h2 { margin: 0; font-size: 18px; letter-spacing: -.015em; }
.panel-heading .eyebrow { margin-bottom: 4px; }

.position-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--slate-200); }
.position-item { display: flex; justify-content: space-between; gap: 14px; padding: 18px 22px; background: #fff; }
.position-item:hover { background: #f8fbff; }
.position-item span { color: var(--slate-700); font-weight: 650; }
.position-item strong { color: var(--blue-600); font-size: 18px; }

.simple-list > div { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 15px 20px; border-bottom: 1px solid var(--slate-200); }
.simple-list > div:last-child { border-bottom: 0; }
.simple-list strong, .simple-list small { display: block; }
.simple-list small { margin-top: 3px; color: var(--slate-500); }

.status-pill { display: inline-flex; align-items: center; min-height: 25px; padding: 3px 9px; border-radius: 999px; color: var(--slate-700); background: var(--slate-100); font-size: 11px; font-weight: 750; white-space: nowrap; }
.status-pill.success { color: var(--green-600); background: var(--green-100); }
.status-pill.warning { color: var(--amber-600); background: var(--amber-100); }
.status-pill.location { color: #075985; background: #e0f2fe; }

.filters { display: grid; grid-template-columns: minmax(260px, 2fr) minmax(150px, 1fr) minmax(130px, .8fr) auto auto; gap: 12px; align-items: end; padding: 20px 22px; border-bottom: 1px solid var(--slate-200); }
.filters label { display: grid; gap: 6px; color: var(--slate-700); font-size: 12px; font-weight: 750; }
input, select { min-height: 42px; width: 100%; border: 1px solid var(--slate-300); border-radius: 9px; padding: 9px 11px; color: var(--navy-950); background: #fff; outline: none; }
input:focus, select:focus { border-color: var(--blue-500); box-shadow: 0 0 0 3px rgba(47, 134, 230, .15); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 9px 14px; border: 1px solid transparent; border-radius: 9px; font-weight: 750; font-size: 13px; cursor: pointer; }
.button.primary { color: #fff; background: var(--blue-600); }
.button.primary:hover { background: #155ead; }
.button.secondary { color: var(--slate-700); border-color: var(--slate-300); background: #fff; }
.button.secondary:hover { background: var(--slate-100); }
.button.wide { width: 100%; }

.table-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; padding: 16px 22px; }
.table-heading p { margin: 0; color: var(--slate-500); }
.table-wrap { overflow-x: auto; border-top: 1px solid var(--slate-200); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--slate-200); font-size: 13px; vertical-align: middle; }
th { color: var(--slate-500); background: #f8fafc; font-size: 11px; text-transform: uppercase; letter-spacing: .055em; }
td strong, td small { display: block; }
td small { margin-top: 3px; max-width: 250px; color: var(--slate-500); overflow: hidden; text-overflow: ellipsis; }
tbody tr:hover { background: #fbfdff; }
.code { display: inline-block; padding: 4px 7px; border-radius: 6px; color: var(--navy-800); background: var(--slate-100); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; }
.table-link, .back-link { color: var(--blue-600); font-weight: 750; white-space: nowrap; }
.empty-state { padding: 24px; color: var(--slate-500); text-align: center; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 18px; }
.pagination a { color: var(--blue-600); font-weight: 750; }
.pagination span { color: var(--slate-500); font-size: 13px; }

.detail-header { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 18px; padding: 22px; margin-bottom: 22px; }
.employee-avatar { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 18px; color: #fff; background: linear-gradient(135deg, var(--navy-800), var(--blue-500)); font-size: 20px; font-weight: 800; }
.detail-header h2 { margin: 3px 0 8px; font-size: 24px; }
.detail-badges { display: flex; flex-wrap: wrap; gap: 7px; }
.detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-bottom: 20px; }
.data-list { margin: 0; }
.data-list > div { display: grid; grid-template-columns: minmax(130px, .7fr) minmax(0, 1.3fr); gap: 14px; padding: 14px 22px; border-bottom: 1px solid var(--slate-200); }
.data-list > div:last-child { border-bottom: 0; }
.data-list dt { color: var(--slate-500); font-size: 12px; font-weight: 750; }
.data-list dd { margin: 0; overflow-wrap: anywhere; }
.back-link { display: inline-block; padding: 8px 2px; }

.login-page { display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 15% 15%, #1d4e7a 0, var(--navy-950) 44%, #070d17 100%); }
.login-card { width: min(100%, 420px); padding: 34px; border: 1px solid rgba(255, 255, 255, .18); border-radius: 22px; background: rgba(255, 255, 255, .98); box-shadow: 0 24px 70px rgba(0, 0, 0, .3); }
.login-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 30px; }
.login-brand strong, .login-brand span { display: block; }
.login-brand strong { letter-spacing: .13em; }
.login-brand span { color: var(--slate-500); font-size: 12px; }
.login-card h1 { margin: 0 0 6px; font-size: 30px; letter-spacing: -.035em; }
.login-card > p { margin: 0 0 23px; color: var(--slate-500); }
.login-form { display: grid; gap: 9px; }
.login-form label { margin-top: 5px; color: var(--slate-700); font-size: 12px; font-weight: 750; }
.login-form .button { margin-top: 12px; }
.form-error { margin-bottom: 15px; padding: 10px 12px; border-radius: 9px; color: #991b1b; background: #fee2e2; font-size: 13px; }
.login-note { display: block; margin-top: 20px; color: var(--slate-500); text-align: center; }
.messages { margin-bottom: 16px; }
.message { padding: 12px 15px; border: 1px solid #bfdbfe; border-radius: 10px; color: #1e3a8a; background: var(--blue-100); }

@media (max-width: 1100px) {
    .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .content-grid { grid-template-columns: 1fr; }
    .filters { grid-template-columns: 1fr 1fr 1fr; }
    .filters .search-field { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    .app-shell { display: block; }
    .sidebar { position: static; height: auto; padding: 14px; }
    .brand { padding-bottom: 14px; }
    .main-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .main-nav a { justify-content: center; padding: 10px 8px; font-size: 12px; }
    .sidebar-footer { display: none; }
    .main-content { padding: 20px 14px 36px; }
    .profile-chip span:last-child { display: none; }
    .metric-grid, .detail-grid { grid-template-columns: 1fr; }
    .filters { grid-template-columns: 1fr 1fr; }
    .filters label, .filters .search-field { grid-column: 1 / -1; }
    .detail-header { grid-template-columns: auto 1fr; }
    .detail-action { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
    .metric-grid, .position-grid { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; }
    .topbar .eyebrow { display: none; }
    .filters { grid-template-columns: 1fr; }
    .filters > * { grid-column: 1 !important; }
    .data-list > div { grid-template-columns: 1fr; gap: 4px; }
}