:root {
  --navy: #0f2942;
  --navy-dark: #0a1c30;
  --navy-light: #1c4066;
  --accent: #2f7dd1;
  --accent-light: #eaf2fb;
  --green: #1f9d55;
  --red: #d64545;
  --orange: #e0973b;
  --gray-bg: #f4f6f9;
  --border: #dbe2ea;
  --text: #1d2733;
  --text-muted: #64748b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, Calibri, sans-serif;
  background: var(--gray-bg);
  color: var(--text);
  font-size: 14px;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  background: linear-gradient(90deg, var(--navy-dark), var(--navy));
  color: #fff;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.topbar .brand {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: .3px;
}

.topbar nav a {
  color: #cfe0f4;
  margin-left: 16px;
  font-size: 13.5px;
  font-weight: 500;
}

.topbar nav a.active, .topbar nav a:hover { color: #fff; text-decoration: none; }

.topbar .user {
  font-size: 13px;
  color: #b8cade;
}

.container {
  max-width: 1180px;
  margin: 20px auto;
  padding: 0 16px 40px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(15, 41, 66, .04);
}

h1, h2, h3 { color: var(--navy); margin-top: 0; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.nav-week {
  display: flex;
  align-items: center;
  gap: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

th {
  background: var(--accent-light);
  color: var(--navy);
  font-weight: 600;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .3px;
}

tr.weekend { background: #fbf7ee; }
tr.today { background: #eaf5ee; }
tr.absent td { color: var(--text-muted); }

input, select, textarea {
  font-family: inherit;
  font-size: 13px;
  padding: 5px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  width: 100%;
  background: #fff;
  color: var(--text);
}

input:disabled, select:disabled { background: #f1f3f6; color: var(--text-muted); }

input[type=time], input[type=number] { min-width: 68px; }

.btn {
  display: inline-block;
  padding: 7px 14px;
  border-radius: 5px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 500;
}
.btn:hover { background: var(--navy-light); }
.btn.secondary { background: #fff; color: var(--navy); }
.btn.secondary:hover { background: var(--accent-light); }
.btn.small { padding: 4px 10px; font-size: 12.5px; }
.btn.danger { background: #fff; color: var(--red); border-color: var(--red); }
.btn.danger:hover { background: #fdecec; }
.btn.success { background: var(--green); border-color: var(--green); }
.btn.success:hover { opacity: .9; }

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 600;
}
.badge.offen { background: #e9edf2; color: var(--text-muted); }
.badge.eingereicht { background: #fdf1de; color: var(--orange); }
.badge.genehmigt { background: #e3f6ea; color: var(--green); }
.badge.abgelehnt { background: #fbe6e6; color: var(--red); }

.summary-bar {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
}
.summary-bar .item { font-size: 13px; }
.summary-bar .item b { display: block; font-size: 17px; color: var(--navy); }

.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 14px;
  font-size: 13.5px;
}
.flash.success { background: #e3f6ea; color: #1a7a43; }
.flash.error { background: #fbe6e6; color: #b93030; }
.flash.info { background: var(--accent-light); color: var(--navy); }

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy-dark), var(--navy));
}
.login-box {
  background: #fff;
  padding: 34px 36px;
  border-radius: 10px;
  width: 320px;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.login-box h1 { text-align: center; margin-bottom: 4px; }
.login-box .subtitle { text-align: center; color: var(--text-muted); font-size: 12.5px; margin-bottom: 20px; }
.login-box label { display: block; margin: 12px 0 4px; font-size: 12.5px; color: var(--text-muted); }
.login-box .btn { width: 100%; margin-top: 18px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-grid label { display: block; margin-bottom: 4px; font-size: 12.5px; color: var(--text-muted); }

.saved-flag {
  font-size: 11px;
  color: var(--green);
  opacity: 0;
  transition: opacity .3s;
  margin-left: 6px;
}
.saved-flag.show { opacity: 1; }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs a {
  padding: 7px 14px;
  border-radius: 6px 6px 0 0;
  background: #e9edf2;
  color: var(--navy);
  font-size: 13px;
  font-weight: 500;
}
.tabs a.active { background: #fff; border: 1px solid var(--border); border-bottom: 1px solid #fff; }

.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.small { font-size: 12px; }
.mt0 { margin-top: 0; }