:root {
    --navy: #0a3044;
    --teal: #0f766e;
    --teal-soft: #e7f5f2;
    --ink: #14232e;
    --muted: #5c6b76;
    --line: #e3ebe8;
    --bg: #f3f6f5;
    --card: #ffffff;
    --pink: #f8d6de;
    --pink-text: #7a2438;
    --warn: #b45309;
    --ok: #157a45;
    --danger: #be123c;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(10, 48, 68, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body.app-body {
    font-family: Inter, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
    min-height: 100vh;
}
a { color: var(--teal); text-decoration: none; }
button, input, select, textarea { font: inherit; }

.topbar {
    background: var(--navy);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; min-width: 0; }
.brand-mark {
    width: 36px; height: 36px; border-radius: 10px;
    background: var(--teal); display: grid; place-items: center; flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand-title { font-size: 12px; opacity: .8; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand-sub { font-weight: 700; font-size: 15px; }
.nav-main { display: flex; flex-wrap: wrap; gap: 4px; margin-left: auto; }
.nav-main a {
    color: #d7e4ea; padding: 7px 10px; border-radius: 999px; font-size: 13px; font-weight: 600;
    display: inline-flex; align-items: center; gap: 6px;
}
.nav-main a.is-active, .nav-main a:hover { background: rgba(255,255,255,.12); color: #fff; }
.nav-toggle {
    display: none; margin-left: auto; background: transparent; color: #fff;
    border: 1px solid rgba(255,255,255,.25); border-radius: 10px; padding: 6px 10px;
}
.main-wrap { max-width: 1180px; margin: 0 auto; padding: 22px 16px 48px; }
.page-head { margin: 0 0 16px; }
.page-head h1 { margin: 0; font-size: 1.45rem; letter-spacing: -0.02em; }

.alert { padding: 12px 14px; border-radius: 12px; margin-bottom: 14px; background: #fff; border: 1px solid var(--line); }
.alert-ok { background: #ecfdf3; color: #166534; border-color: #bbf7d0; }
.alert-error { background: #fff1f2; color: #9f1239; border-color: #fecdd3; }
.alert-warn { background: #fffbeb; color: #92400e; border-color: #fde68a; }

.card {
    background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 16px 18px;
}
.grid-2 { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stack { display: flex; flex-direction: column; gap: 14px; }
.mt { margin-top: 14px; }

.hero-card {
    background: linear-gradient(135deg, #0a3044 0%, #14586a 60%, #0f766e 100%);
    color: #fff; border: 0;
}
.hero-card .muted, .hero-kicker { color: rgba(255,255,255,.78); }
.hero-card h2 { margin: 6px 0 4px; font-size: 1.6rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
    background: rgba(255,255,255,.14); border-radius: 999px; padding: 6px 10px; font-size: 13px; font-weight: 600;
}
.kicker { font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--teal); margin: 0 0 6px; }
.muted { color: var(--muted); }
h2.section { margin: 0 0 10px; font-size: 1.05rem; }
dl.info { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; margin: 0; }
dl.info dt { color: var(--muted); font-size: 13px; }
dl.info dd { margin: 0; font-weight: 600; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li {
    position: relative; padding: 0 0 14px 16px; border-left: 2px solid var(--line); margin-left: 6px;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
    content: ""; position: absolute; left: -6px; top: 4px; width: 10px; height: 10px;
    border-radius: 50%; background: var(--teal);
}
.timeline .when { color: var(--muted); font-size: 12px; }

.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 2px 8px; font-size: 12px; font-weight: 700; }
.badge-ok { background: #dcfce7; color: var(--ok); }
.badge-warn { background: #fef3c7; color: var(--warn); }
.badge-danger { background: #ffe4e6; color: var(--danger); }
.badge-muted { background: #eef2f4; color: var(--muted); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    border-radius: 10px; border: 1px solid transparent; padding: 9px 14px;
    font-weight: 650; cursor: pointer; background: var(--teal); color: #fff;
}
.btn:hover { filter: brightness(1.05); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.3); }
.btn-line { background: #fff; color: var(--navy); border-color: var(--line); }
.btn-danger { background: #fff; color: var(--danger); border-color: #fecdd3; }
.btn-sm { padding: 6px 10px; font-size: 13px; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.form-row { display: flex; flex-direction: column; gap: 6px; }
.form-row.span-2 { grid-column: 1 / -1; }
label { font-size: 13px; font-weight: 600; color: #314651; }
input, select, textarea {
    width: 100%; border: 1px solid #d5e0dc; border-radius: 10px; padding: 10px 12px; background: #fff; color: var(--ink);
}
textarea { min-height: 80px; resize: vertical; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.login-wrap { max-width: 440px; margin: 28px auto; }
.login-wrap h1 { margin-top: 0; }

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; min-width: 640px; background: #fff; }
table.data th, table.data td { border: 1px solid #d9e3df; padding: 8px 10px; text-align: left; font-size: 14px; vertical-align: top; }
table.data th { background: #e7f0ea; color: var(--navy); font-size: 12px; letter-spacing: .03em; }
table.data tr.is-izin td, table.data tr.is-rapor td { background: var(--pink); color: var(--pink-text); }
table.data tr.group td { background: #f7fbfa; font-weight: 700; color: var(--navy); }
.note { font-size: 13px; color: var(--muted); margin: 8px 0 0; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 12px; }
.stat {
    background: var(--teal-soft); border-radius: 12px; padding: 10px 12px;
}
.stat b { display: block; font-size: 1.15rem; }
.empty { padding: 18px; color: var(--muted); }

@media (max-width: 860px) {
    .grid-2, .grid-3, .form-grid { grid-template-columns: 1fr; }
    .form-row.span-2 { grid-column: auto; }
    dl.info { grid-template-columns: 1fr; }
    .nav-toggle { display: inline-flex; }
    .nav-main { display: none; width: 100%; flex-direction: column; margin-left: 0; }
    .nav-main.is-open { display: flex; }
    .topbar-inner { flex-wrap: wrap; }
    .btn-ghost { margin-left: auto; }
    .main-wrap { padding: 14px 12px 32px; }
    table.data { min-width: 520px; }
}