/* DPV – Digitale Planverwaltung – Main Stylesheet */

/* ── Design tokens ─────────────────────────────────────── */
:root {
  --blue-900: #0f2744;
  --blue-800: #1a3a5c;
  --blue-700: #1a4a7a;
  --blue-600: #2260a8;
  --blue-400: #4d8fd4;
  --blue-100: #e8f0fb;
  --blue-050: #f4f7fd;

  --steel-800: #1e2530;
  --steel-700: #2c3444;
  --steel-500: #5a6478;
  --steel-300: #a8b4c4;
  --steel-100: #e4e9f0;
  --steel-050: #f2f5f9;

  --green-600: #1d8a5a;
  --green-100: #d4f0e4;
  --amber-600: #c47a00;
  --amber-100: #fdf0d0;
  --red-600:   #c0392b;
  --red-100:   #fde8e6;

  --white: #ffffff;
  --text-primary: #1a2030;
  --text-secondary: #4a5568;
  --text-muted: #8896a8;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 3px rgba(15,39,68,.08), 0 1px 2px rgba(15,39,68,.06);
  --shadow-md: 0 4px 12px rgba(15,39,68,.10), 0 2px 6px rgba(15,39,68,.07);
  --shadow-lg: 0 10px 30px rgba(15,39,68,.13), 0 4px 12px rgba(15,39,68,.08);

  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'DM Mono', 'Courier New', monospace;
}

/* ── Reset ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--steel-050);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Nav ───────────────────────────────────────────────── */
.topnav {
  background: var(--blue-900);
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0 28px;
  height: 58px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(15,39,68,.25);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: 36px;
}
.nav-brand-abbr {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--white);
  background: var(--blue-700);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: .08em;
}
.nav-brand-full {
  font-size: .78rem;
  font-weight: 400;
  color: var(--steel-300);
  letter-spacing: .02em;
}

.nav-links {
  display: flex;
  gap: 4px;
  flex: 1;
}
.nav-links a {
  color: var(--steel-300);
  text-decoration: none;
  font-size: .88rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--blue-800);
  color: var(--white);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.nav-user-name {
  font-size: .88rem;
  font-weight: 500;
  color: var(--white);
}
.nav-user-role {
  font-size: .75rem;
  color: var(--steel-300);
  background: var(--blue-800);
  padding: 2px 8px;
  border-radius: 20px;
}
.btn-icon {
  color: var(--steel-300);
  text-decoration: none;
  font-size: 1rem;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  transition: background .15s, color .15s;
}
.btn-icon:hover { background: var(--blue-800); color: var(--white); }

/* ── Layout ────────────────────────────────────────────── */
.main-content {
  flex: 1;
  padding: 32px 28px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

.site-footer {
  background: var(--white);
  border-top: 1px solid var(--steel-100);
  text-align: center;
  padding: 14px;
  font-size: .78rem;
  color: var(--text-muted);
}

/* ── Page header ───────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}
.page-title {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--blue-900);
  letter-spacing: -.02em;
}
.page-subtitle {
  font-size: .88rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ── Cards ─────────────────────────────────────────────── */
.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--steel-100);
}
.card-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--steel-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--blue-900);
}
.card-body { padding: 24px; }
.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--steel-100);
  background: var(--steel-050);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all .15s;
  white-space: nowrap;
}
.btn-primary { background: var(--blue-700); color: var(--white); }
.btn-primary:hover { background: var(--blue-800); }
.btn-secondary { background: var(--steel-100); color: var(--text-primary); }
.btn-secondary:hover { background: var(--steel-300); }
.btn-danger { background: var(--red-600); color: var(--white); }
.btn-danger:hover { background: #a93226; }
.btn-success { background: var(--green-600); color: var(--white); }
.btn-sm { padding: 5px 12px; font-size: .81rem; }

/* ── Forms ─────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: .83rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--text-primary);
  background: var(--white);
  border: 1.5px solid var(--steel-100);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
  border-color: var(--blue-400);
  box-shadow: 0 0 0 3px rgba(77,143,212,.15);
}
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6478' stroke-width='1.5' fill='none'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--blue-700); }
.form-text { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ── Alerts ─────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: .88rem;
  font-weight: 500;
  margin-bottom: 20px;
  border-left: 4px solid;
}
.alert-success { background: var(--green-100); color: var(--green-600); border-color: var(--green-600); }
.alert-error   { background: var(--red-100);   color: var(--red-600);   border-color: var(--red-600); }
.alert-warning { background: var(--amber-100); color: var(--amber-600); border-color: var(--amber-600); }
.alert-info    { background: var(--blue-100);  color: var(--blue-700);  border-color: var(--blue-700); }

/* ── Table ─────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}
.data-table th {
  background: var(--steel-050);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 10px 16px;
  text-align: left;
  border-bottom: 2px solid var(--steel-100);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}
.data-table th:hover { background: var(--steel-100); }
.data-table th.sort-asc::after  { content: ' ↑'; color: var(--blue-600); }
.data-table th.sort-desc::after { content: ' ↓'; color: var(--blue-600); }
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--steel-100);
  vertical-align: middle;
}
.data-table tbody tr:hover { background: var(--blue-050); }
.data-table tbody tr:last-child td { border-bottom: none; }

/* ── Badges / Pills ─────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: .75rem;
  font-weight: 600;
  border-radius: 20px;
  letter-spacing: .02em;
}
.badge-blue    { background: var(--blue-100);  color: var(--blue-700); }
.badge-green   { background: var(--green-100); color: var(--green-600); }
.badge-amber   { background: var(--amber-100); color: var(--amber-600); }
.badge-red     { background: var(--red-100);   color: var(--red-600); }
.badge-gray    { background: var(--steel-100); color: var(--steel-500); }

/* ── Plan Index pill ────────────────────────────────────── */
.plan-index {
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 500;
  background: var(--blue-050);
  color: var(--blue-700);
  border: 1px solid var(--blue-100);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* ── File type icons ────────────────────────────────────── */
.file-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--steel-050);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-sm);
  padding: 3px 8px;
  font-size: .78rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background .12s;
  margin: 2px;
}
.file-chip:hover { background: var(--blue-050); color: var(--blue-700); border-color: var(--blue-100); }
.file-chip .ext {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: .72rem;
  text-transform: uppercase;
  background: var(--steel-300);
  color: var(--white);
  padding: 1px 5px;
  border-radius: 3px;
}
.ext-pdf { background: #e04040; }
.ext-dwg, .ext-dxf { background: #d47a00; }
.ext-zip, .ext-rar { background: #7a4ab0; }
.ext-xlsx, .ext-xls, .ext-csv { background: #217945; }
.ext-docx, .ext-doc { background: #2060b0; }

/* ── Drop zone ──────────────────────────────────────────── */
.dropzone {
  border: 2px dashed var(--steel-300);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  background: var(--steel-050);
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.dropzone.drag-over {
  border-color: var(--blue-600);
  background: var(--blue-050);
}
.dropzone-icon { font-size: 2.5rem; color: var(--steel-300); margin-bottom: 12px; }
.dropzone-title { font-weight: 600; color: var(--text-secondary); font-size: .95rem; }
.dropzone-sub { font-size: .82rem; color: var(--text-muted); margin-top: 4px; }

.file-list { margin-top: 16px; }
.file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--white);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-md);
  margin-bottom: 6px;
  font-size: .88rem;
}
.file-item-name { flex: 1; font-weight: 500; }
.file-item-size { color: var(--text-muted); font-size: .8rem; }
.file-item-remove {
  background: none;
  border: none;
  color: var(--red-600);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 2px 4px;
  border-radius: 3px;
}
.file-item-remove:hover { background: var(--red-100); }

/* ── Filters bar ────────────────────────────────────────── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
  align-items: center;
}
.filter-bar .form-control { width: auto; min-width: 160px; }
.filter-bar input[type=text] { min-width: 220px; }

/* ── Auth pages ─────────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--steel-800) 100%);
}
.auth-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
  padding: 40px;
}
.auth-brand {
  text-align: center;
  margin-bottom: 32px;
}
.auth-brand-abbr {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 500;
  color: var(--blue-700);
  letter-spacing: .05em;
}
.auth-brand-full {
  display: block;
  font-size: .82rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: .04em;
}
.auth-title { font-size: 1.2rem; font-weight: 700; color: var(--blue-900); margin-bottom: 24px; }

/* ── Dashboard stats ────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(200px,1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
  background: var(--white);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-lg);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
}
.stat-value { font-size: 2rem; font-weight: 700; color: var(--blue-900); font-family: var(--font-mono); letter-spacing: -.03em; }
.stat-label { font-size: .8rem; color: var(--text-secondary); font-weight: 500; margin-top: 4px; text-transform: uppercase; letter-spacing: .04em; }
.stat-accent { width: 40px; height: 4px; border-radius: 2px; background: var(--blue-600); margin-bottom: 12px; }

/* ── Misc ───────────────────────────────────────────────── */
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }

/* ── Approval detail ────────────────────────────────────── */
.approval-box {
  border: 1.5px solid var(--amber-100);
  background: #fffdf5;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-top: 16px;
}

/* ── Version history ────────────────────────────────────── */
.version-row td:first-child { padding-left: 32px; color: var(--text-muted); font-size: .85rem; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 768px) {
  .main-content { padding: 20px 16px; }
  .topnav { padding: 0 16px; }
  .nav-brand-full { display: none; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar .form-control, .filter-bar input[type=text] { width: 100%; }
}

/* ── Category chips ─────────────────────────────────────── */
.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--white);
  border: 1.5px solid var(--steel-100);
  border-radius: 20px;
  font-size: .85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all .15s;
  cursor: pointer;
}
.cat-chip:hover {
  border-color: var(--blue-400);
  color: var(--blue-700);
  background: var(--blue-050);
}
.cat-chip-active {
  background: var(--blue-700);
  border-color: var(--blue-700);
  color: var(--white);
}
.cat-chip-active:hover {
  background: var(--blue-800);
  color: var(--white);
}
.cat-count {
  background: rgba(255,255,255,.25);
  padding: 1px 6px;
  border-radius: 10px;
  font-size: .75rem;
  font-weight: 600;
}
.cat-chip:not(.cat-chip-active) .cat-count {
  background: var(--steel-100);
  color: var(--text-secondary);
}

/* ── No underline on clickable plan elements ────────────── */
a.plan-index {
  text-decoration: none;
}
a.plan-index:hover {
  background: var(--blue-100);
  color: var(--blue-800);
}
.data-table td a {
  text-decoration: none;
  color: inherit;
}
.data-table td a:hover {
  color: var(--blue-700);
}

/* ── Albums grid ────────────────────────────────────────── */
.albums-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.album-card {
  background: var(--white);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow .15s;
}
.album-card:hover { box-shadow: var(--shadow-md); }
.album-cover {
  display: block;
  position: relative;
  height: 180px;
  overflow: hidden;
  background: var(--steel-050);
  text-decoration: none;
}
.album-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .2s;
}
.album-card:hover .album-cover img { transform: scale(1.04); }
.album-cover-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 3rem;
  color: var(--steel-300);
}
.album-count-badge {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(15,39,68,.75);
  color: var(--white);
  font-size: .75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
}
.album-info { padding: 14px 16px; }
.album-name {
  font-weight: 600;
  font-size: .95rem;
  color: var(--blue-900);
  text-decoration: none;
  display: block;
  margin-bottom: 4px;
}
.album-name:hover { color: var(--blue-600); }
.album-meta { font-size: .78rem; color: var(--text-muted); margin-bottom: 2px; }
.album-desc { font-size: .82rem; color: var(--text-secondary); margin: 4px 0; }

/* ── Photo grid ─────────────────────────────────────────── */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.photo-item {
  background: var(--white);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .15s;
}
.photo-item:hover { box-shadow: var(--shadow-md); }
.photo-thumb-link { display: block; height: 160px; overflow: hidden; background: var(--steel-050); }
.photo-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .2s;
}
.photo-item:hover .photo-thumb { transform: scale(1.05); }
.photo-caption {
  padding: 8px 10px 4px;
  font-size: .78rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.photo-actions {
  padding: 6px 10px 10px;
  display: flex;
  gap: 6px;
}

@media (max-width: 768px) {
  .albums-grid { grid-template-columns: 1fr 1fr; }
  .photo-grid  { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .albums-grid { grid-template-columns: 1fr; }
  .photo-grid  { grid-template-columns: 1fr 1fr; }
}

/* ── Project badge in nav ───────────────────────────────── */
.nav-project-badge {
  font-size: .78rem;
  font-weight: 500;
  color: var(--steel-300);
  background: var(--blue-800);
  border: 1px solid var(--blue-700);
  padding: 3px 10px;
  border-radius: 20px;
  text-decoration: none;
  margin-right: 4px;
  max-width: 200px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: inline-block;
  transition: background .15s;
}
.nav-project-badge:hover {
  background: var(--blue-700);
  color: var(--white);
}