/* ========================================
   DKM Reisekosten – Stylesheet
   ======================================== */
:root {
  --primary: #17395C;
  --primary-light: #2E6DA4;
  --primary-dark: #0F2B47;
  --accent: #E8950A;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --bg: #F1F5FB;
  --card-bg: #ffffff;
  --text: #26303D;
  --muted: #71809A;
  --border: #E3E9F2;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(23,57,92,0.06), 0 8px 20px -8px rgba(23,57,92,0.12);
  --shadow-lg: 0 4px 8px rgba(23,57,92,0.06), 0 20px 40px -12px rgba(23,57,92,0.2);

  /* Navbar-Hintergrund (hell: navy-Gradient) */
  --navbar-bg: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);

  /* Sekundaerflaechen / Eingaben / Tabellen */
  --btn-secondary-bg: #EAEFF6;
  --input-bg: #ffffff;
  --table-hover: #F6F9FD;
  --table-total: #EEF4FB;

  /* Alerts */
  --alert-success-bg: #e5f6ea; --alert-success-text: #155724; --alert-success-border: #bfe6c9;
  --alert-danger-bg:  #fceaeb; --alert-danger-text:  #721c24; --alert-danger-border:  #f3c2c6;
  --alert-info-bg:    #e4f3f8; --alert-info-text:    #0c5460; --alert-info-border:    #bfe2ea;
  --alert-warning-bg: #fef6dd; --alert-warning-text: #856404; --alert-warning-border: #f5e2a8;

  /* Badges */
  --badge-offen-bg: #fef2cd;        --badge-offen-text: #8a6600;
  --badge-eingereicht-bg: #d4e6ff;  --badge-eingereicht-text: #0a4a99;
  --badge-abgeschlossen-bg: #d7f0de;--badge-abgeschlossen-text: #196630;
  --badge-abgelehnt-bg: #fcdfe1;    --badge-abgelehnt-text: #8c2530;

  /* Sonstige Hinweise */
  --warn-bg: #fef6dd; --warn-border: #f5e2a8; --warn-text: #7a5b00; --warn-text-strong: #6a4f00;
  --info-pill-bg: #eef4fb;
  --danger-zone-border: #f3c2c6;
  --danger-sm-hover: #fceaeb;
}

/* ========================================
   Dunkles Theme (NPM-Optik: Slate/Navy)
   ======================================== */
:root[data-theme="dark"] {
  --primary: #4a90d9;
  --primary-light: #6ba7e5;
  --primary-dark: #0d1424;
  --accent: #E8950A;
  --success: #37c26b;
  --warning: #f0b429;
  --danger: #ec5b68;
  --bg: #0f1626;
  --card-bg: #1a2438;
  --text: #e6ebf5;
  --muted: #8a97b1;
  --border: #2a3450;
  --shadow: 0 1px 3px rgba(0,0,0,0.45), 0 8px 20px -8px rgba(0,0,0,0.6);
  --shadow-lg: 0 4px 8px rgba(0,0,0,0.45), 0 20px 40px -12px rgba(0,0,0,0.7);

  --navbar-bg: #1a2434;

  --btn-secondary-bg: #2a3450;
  --input-bg: #131b2e;
  --table-hover: #222d45;
  --table-total: #202a40;

  --alert-success-bg: rgba(55,194,107,0.14); --alert-success-text: #86e3a8; --alert-success-border: rgba(55,194,107,0.35);
  --alert-danger-bg:  rgba(236,91,104,0.14); --alert-danger-text:  #f3a3ab; --alert-danger-border:  rgba(236,91,104,0.35);
  --alert-info-bg:    rgba(74,144,217,0.16); --alert-info-text:    #a9d4ec; --alert-info-border:    rgba(74,144,217,0.4);
  --alert-warning-bg: rgba(240,180,41,0.14); --alert-warning-text: #f0c479; --alert-warning-border: rgba(240,180,41,0.35);

  --badge-offen-bg: rgba(240,180,41,0.2);        --badge-offen-text: #f0c479;
  --badge-eingereicht-bg: rgba(74,144,217,0.22); --badge-eingereicht-text: #9cc6ec;
  --badge-abgeschlossen-bg: rgba(55,194,107,0.2);--badge-abgeschlossen-text: #86e3a8;
  --badge-abgelehnt-bg: rgba(236,91,104,0.2);    --badge-abgelehnt-text: #f3a3ab;

  --warn-bg: rgba(240,180,41,0.12); --warn-border: rgba(240,180,41,0.3); --warn-text: #f0c479; --warn-text-strong: #f5d9a0;
  --info-pill-bg: rgba(74,144,217,0.18);
  --danger-zone-border: rgba(236,91,104,0.4);
  --danger-sm-hover: rgba(236,91,104,0.16);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6; }
a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Navbar */
.navbar { background: var(--navbar-bg);
  padding: 0 2rem; display: flex;
  align-items: center; gap: 2rem; height: 62px; position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(15,43,71,0.25); }
.nav-brand { color: white; font-size: 1.1rem; font-weight: 700;
  display: flex; align-items: center; gap: 0.5rem; white-space: nowrap; letter-spacing: -0.01em; }
.nav-logo { font-size: 1.4rem; }
.nav-links { display: flex; gap: 0.5rem; align-items: center; flex: 1; }
.nav-link { color: rgba(255,255,255,0.82); padding: 0.45rem 0.95rem; border-radius: var(--radius-sm);
  font-size: 0.9rem; transition: background 0.15s, color 0.15s; }
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,0.14); color: white; text-decoration: none; }
.nav-btn { background: var(--accent); color: white !important; font-weight: 600;
  box-shadow: 0 2px 8px rgba(232,149,10,0.35); }
.nav-btn:hover { background: #d4850a; }
.nav-user { display: flex; align-items: center; gap: 0.8rem; margin-left: auto; }
.user-name { color: rgba(255,255,255,0.9); font-size: 0.85rem; }
.nav-link-small { color: rgba(255,255,255,0.6); font-size: 0.8rem; padding: 0.35rem 0.6rem;
  border-radius: var(--radius-sm); transition: background 0.15s, color 0.15s; }
.nav-link-small:hover { color: white; background: rgba(255,255,255,0.12); text-decoration: none; }

/* Main */
.main-content { max-width: 1100px; margin: 0 auto; padding: 2.25rem 1.5rem; }

/* Flash */
.flash-container { margin-bottom: 1.5rem; }
.alert { padding: 0.85rem 1.2rem; border-radius: var(--radius-sm); margin-bottom: 0.5rem; font-size: 0.92rem;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04); }
.alert-success { background: var(--alert-success-bg); color: var(--alert-success-text); border: 1px solid var(--alert-success-border); }
.alert-danger  { background: var(--alert-danger-bg);  color: var(--alert-danger-text);  border: 1px solid var(--alert-danger-border); }
.alert-info    { background: var(--alert-info-bg);    color: var(--alert-info-text);    border: 1px solid var(--alert-info-border); }
.alert-warning { background: var(--alert-warning-bg); color: var(--alert-warning-text); border: 1px solid var(--alert-warning-border); }

/* Page header */
.page-header { display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.75rem; flex-wrap: wrap; gap: 1rem; }
.page-header h1 { font-size: 1.6rem; color: var(--primary); letter-spacing: -0.01em; }
.header-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

/* Cards */
.card { background: var(--card-bg); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.6rem; margin-bottom: 1.5rem;
  border: 1px solid rgba(23,57,92,0.04); transition: box-shadow 0.2s; }
.card-header { display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem; }
.card h3 { font-size: 1rem; font-weight: 600; color: var(--primary); margin-bottom: 1rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm); border: none; cursor: pointer; font-size: 0.9rem; font-weight: 500;
  transition: opacity 0.15s, transform 0.12s, box-shadow 0.15s; text-decoration: none !important; }
.btn:hover { opacity: 0.92; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: white; box-shadow: 0 2px 6px rgba(23,57,92,0.25); }
.btn-secondary { background: var(--btn-secondary-bg); color: var(--text); }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-danger { background: var(--danger); color: white; }
.btn-block { width: 100%; justify-content: center; }
.btn-sm { padding: 0.32rem 0.75rem; font-size: 0.82rem; border-radius: var(--radius-sm);
  background: var(--btn-secondary-bg); color: var(--text); cursor: pointer; text-decoration: none; border: none; }
.btn-sm.btn-outline { background: transparent; border: 1px solid var(--primary-light); color: var(--primary-light); }
.btn-danger-sm { background: none; border: none; color: var(--danger); cursor: pointer;
  font-size: 1rem; padding: 0.1rem 0.4rem; border-radius: var(--radius-sm); transition: background 0.15s; }
.btn-danger-sm:hover { background: var(--danger-sm-hover); }

/* Forms */
.form-card { max-width: 820px; }
.form-section { margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.form-section:last-of-type { border-bottom: none; }
.form-section h3 { font-size: 0.95rem; font-weight: 600; color: var(--primary-light);
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1rem; }
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; min-width: 160px; }
.form-group.flex-2 { flex: 2; }
.form-group label { font-size: 0.85rem; font-weight: 500; color: var(--muted); }
.form-control { padding: 0.6rem 0.85rem; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-size: 0.92rem; color: var(--text); transition: border-color 0.15s, box-shadow 0.15s; background: var(--input-bg); }
.form-control:focus { outline: none; border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(46,109,164,0.12); }
.form-hint { font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }
.form-check { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 1rem; font-size: 0.9rem; }
.form-inline { align-items: flex-end; }
.form-group-btn { align-self: flex-end; flex: 0; min-width: auto; }
.form-actions { display: flex; gap: 0.8rem; margin-top: 1.5rem; flex-wrap: wrap; }

/* Tables */
.table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.table th { text-align: left; padding: 0.65rem 0.8rem; font-size: 0.78rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; border-bottom: 2px solid var(--border);
  white-space: nowrap; }
.table td { padding: 0.8rem 0.8rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: var(--table-hover); }
.table-sm td, .table-sm th { padding: 0.5rem 0.7rem; }
.table-total td { background: var(--table-total); font-weight: 600; }
.amount { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.actions { white-space: nowrap; display: flex; gap: 0.4rem; align-items: center; }

/* Badges */
.badge { display: inline-block; padding: 0.28em 0.7em; border-radius: 20px;
  font-size: 0.78rem; font-weight: 600; }
.badge-lg { font-size: 0.88rem; padding: 0.38em 0.95em; }
.badge-offen { background: var(--badge-offen-bg); color: var(--badge-offen-text); }
.badge-eingereicht { background: var(--badge-eingereicht-bg); color: var(--badge-eingereicht-text); }
.badge-abgeschlossen { background: var(--badge-abgeschlossen-bg); color: var(--badge-abgeschlossen-text); }
.badge-abgelehnt { background: var(--badge-abgelehnt-bg); color: var(--badge-abgelehnt-text); }
.badge-success { background: var(--badge-abgeschlossen-bg); color: var(--badge-abgeschlossen-text); }
.badge-warning { background: var(--badge-offen-bg); color: var(--badge-offen-text); }
.badge-danger  { background: var(--badge-abgelehnt-bg); color: var(--badge-abgelehnt-text); }

/* Warn-/Hinweisbanner */
.warn-banner { background: var(--warn-bg); border: 1px solid var(--warn-border); border-left: 4px solid var(--warning);
  color: var(--warn-text); border-radius: var(--radius-sm); padding: 0.9rem 1.1rem; margin-bottom: 1.5rem;
  font-size: 0.9rem; }
.warn-banner strong { color: var(--warn-text-strong); }
.info-pill { display: inline-block; background: var(--info-pill-bg); color: var(--primary);
  border-radius: 20px; padding: 0.25em 0.8em; font-size: 0.82rem; font-weight: 600; }
.bezahlt-firma { color: var(--muted); font-size: 0.8rem; }
.subgrid-3 { display: grid; grid-template-columns: repeat(3, auto); gap: 0.3rem 1.2rem; align-items: center; }

/* Stats Grid (NPM-Kacheln: farbiges Icon-Quadrat + Zahl/Label) */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.1rem; margin-bottom: 1.75rem; }
.stat-card { background: var(--card-bg); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 1.15rem 1.25rem; border: 1px solid var(--border);
  display: flex; align-items: center; gap: 1rem;
  transition: transform 0.15s, box-shadow 0.15s; }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.stat-icon { width: 52px; height: 52px; border-radius: var(--radius-sm); flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: #fff;
  box-shadow: 0 3px 8px -2px rgba(0,0,0,0.25); }
.stat-icon-offen { background: var(--warning); }
.stat-icon-eingereicht { background: var(--primary-light); }
.stat-icon-abgeschlossen { background: var(--success); }
.stat-icon-gesamt { background: var(--accent); }
.stat-body { min-width: 0; }
.stat-number { font-size: 1.85rem; font-weight: 700; color: var(--text); letter-spacing: -0.02em; line-height: 1.1; }
.stat-label { font-size: 0.78rem; color: var(--muted); margin-top: 0.15rem; text-transform: uppercase; letter-spacing: 0.04em; }
.stat-gesamt .stat-number { font-size: 1.3rem; }

/* Detail */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.detail-list { display: grid; grid-template-columns: auto 1fr; gap: 0.45rem 1rem; align-items: start; }
.detail-list dt { font-size: 0.85rem; color: var(--muted); font-weight: 500; padding-top: 0.1rem; white-space: nowrap; }
.detail-list dd { font-size: 0.95rem; color: var(--text); }
.total-label { font-weight: 700; color: var(--primary); font-size: 1rem !important; }
.total-amount { font-weight: 700; font-size: 1.15rem; color: var(--primary); }

/* Danger zone */
.danger-zone { border: 1px solid var(--danger-zone-border); }
.danger-zone h3 { color: var(--danger); }

/* News */
.news-banner { margin-bottom: 1.5rem; }
.news-card { border-left: 4px solid var(--border); }
.news-card-highlight { border-left-color: var(--warning); }
.news-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.news-body { color: var(--text); line-height: 1.7; margin: 0.5rem 0; }
.news-sources { font-size: 0.82rem; color: var(--muted); margin-top: 0.5rem; }

/* Login */
.login-wrapper { display: flex; justify-content: center; align-items: center; min-height: 90vh; }
.login-card { background: var(--card-bg); border-radius: 18px; box-shadow: var(--shadow-lg);
  padding: 2.75rem 2.5rem; width: 100%; max-width: 400px;
  border-top: 4px solid var(--primary-light); }
.login-logo { font-size: 3rem; text-align: center; margin-bottom: 0.6rem;
  filter: drop-shadow(0 2px 6px rgba(23,57,92,0.15)); }
.login-logo-img { display: block; height: 60px; width: auto; margin: 0 auto 0.9rem; }
:root[data-theme="dark"] .login-logo-img { filter: brightness(0) invert(1); }
.login-title { text-align: center; color: var(--primary); font-size: 1.55rem; font-weight: 700;
  letter-spacing: -0.01em; margin-bottom: 0.3rem; }
.login-sub { text-align: center; color: var(--muted); margin-bottom: 1.75rem; font-size: 0.9rem; }
.login-card .form-group { margin-bottom: 1rem; }
.login-card .btn { margin-top: 0.4rem; }

/* Empty state */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--muted); }
.empty-icon { font-size: 3rem; margin-bottom: 1rem; }

/* Helpers */
.muted { color: var(--muted); }
.link { color: var(--primary-light); font-weight: 500; }
.link-sm { font-size: 0.82rem; }

/* Uhrzeit-Auswahl (Stunde/Minute als zwei Selects, 10-Minuten-Raster) */
.uhrzeit-picker { display: flex; align-items: center; gap: 0.3rem; }
.uhrzeit-picker select { flex: 1; min-width: 0; padding-left: 0.5rem; padding-right: 0.5rem; }
.uhrzeit-picker span { color: var(--muted); font-weight: 600; }

/* Logo in der Navbar (Navbar ist in beiden Themes dunkel -> Logo weiss) */
.nav-logo-img { display: block; height: 30px; width: auto; filter: brightness(0) invert(1); }

/* Admin-Band (Sicherheitshinweis, bleibt rot in beiden Themes) */
.admin-banner { background: #7a1f2b; color: #fff; text-align: center; padding: 0.4rem;
  font-weight: bold; letter-spacing: 0.05em; }
:root[data-theme="dark"] .admin-banner { background: #8f2634; }

/* Hell-/Dunkel-Umschalter in der Navbar */
.theme-toggle { background: rgba(255,255,255,0.12); border: none; color: #fff;
  width: 34px; height: 34px; border-radius: var(--radius-sm); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; font-size: 1rem;
  line-height: 1; transition: background 0.15s; }
.theme-toggle:hover { background: rgba(255,255,255,0.22); }

/* Umschalter auf Seiten ohne Navbar (Login) */
.theme-toggle-float { position: fixed; top: 1rem; right: 1rem; z-index: 200;
  background: var(--card-bg); color: var(--text); border: 1px solid var(--border);
  box-shadow: var(--shadow); width: 38px; height: 38px; border-radius: var(--radius-sm);
  cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.05rem; line-height: 1; transition: background 0.15s, transform 0.12s; }
.theme-toggle-float:hover { transform: translateY(-1px); }

/* Responsive */
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .navbar { padding: 0 1rem; gap: 1rem; }
  .form-row { flex-direction: column; }
}