/* ─── CSS Variables ─── */
:root {
  --bg: #f0f2f5;
  --surface: #ffffff;
  --surface-alt: #f7f8fa;
  --surface-alt2: #eef1f6;
  --border: #dce1ea;
  --border-light: #e8ecf2;
  --text: #1a2130;
  --text-muted: #6b7a90;
  --accent: #1a3a5c;
  --accent-hover: #142f4a;
  --accent-blue: #2563eb;
  --accent-blue-bg: #eff6ff;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --danger-hover: #b91c1c;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --warning-border: #fde68a;
  --warning-text: #92400e;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --hover: #f1f5fb;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-lg: 0 4px 16px rgba(0,0,0,.1);
  --radius: 8px;
  --radius-sm: 5px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.5; min-height: 100vh; }
a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

/* ─── Header ─── */
.app-header { background: var(--accent); color: #fff; box-shadow: 0 2px 8px rgba(0,0,0,.15); position: sticky; top: 0; z-index: 100; }
.header-inner { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; height: 56px; display: flex; align-items: center; justify-content: space-between; }
.header-brand { display: flex; align-items: center; gap: .6rem; }
.header-icon { width: 26px; height: 26px; color: #f97316; }
.header-title { font-size: 1.05rem; font-weight: 600; letter-spacing: .02em; color: #fff; }
.header-nav { display: flex; align-items: center; gap: .25rem; }
.nav-link { color: rgba(255,255,255,.82); padding: .3rem .65rem; border-radius: var(--radius-sm); font-size: .9rem; transition: background .15s, color .15s; }
.nav-link:hover, .nav-link.active { color: #fff; background: rgba(255,255,255,.12); text-decoration: none; }
.nav-subtle { color: rgba(255,255,255,.5); }
.nav-logout { color: rgba(255,255,255,.6); }

/* ─── Main ─── */
.app-main { max-width: 1280px; margin: 0 auto; padding: 2rem 1.5rem; }

/* ─── Page Header ─── */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 1.75rem; gap: 1rem; flex-wrap: wrap; }
.page-title { font-size: 1.6rem; font-weight: 700; color: var(--text); line-height: 1.2; }
.back-link { font-size: .875rem; color: var(--text-muted); display: inline-block; margin-bottom: .25rem; }
.back-link:hover { color: var(--text); text-decoration: none; }

/* ─── Cards ─── */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.25rem; border-bottom: 1px solid var(--border); gap: 1rem; }
.card-title { font-size: 1rem; font-weight: 600; color: var(--text); }
.card-meta { font-size: .85rem; color: var(--text-muted); }
.card-body { padding: 1.25rem; }
.card-footer { padding: .875rem 1.25rem; border-top: 1px solid var(--border); background: var(--surface-alt); border-radius: 0 0 var(--radius) var(--radius); }
.mb-4 { margin-bottom: 1.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: .5rem; }
.mt-1 { margin-top: .35rem; }
.mt-2 { margin-top: .75rem; }
.mt-3 { margin-top: 1rem; }
.p-0 { padding: 0 !important; }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem; border-radius: var(--radius-sm); font-size: .9rem; font-weight: 500;
  border: 1px solid transparent; cursor: pointer; transition: background .15s, border-color .15s, color .15s;
  white-space: nowrap; text-decoration: none; line-height: 1.4;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--surface-alt); }
.btn-outline { background: transparent; color: var(--accent); border-color: var(--accent); }
.btn-outline:hover { background: var(--accent-blue-bg); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }
.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-warning:hover { background: #b45309; }
.btn-sm { padding: .35rem .8rem; font-size: .85rem; }
.btn-xs { padding: .2rem .55rem; font-size: .78rem; }
.btn-block { width: 100%; justify-content: center; }
.btn-icon { width: 16px; height: 16px; }

/* ─── Forms ─── */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: .875rem; font-weight: 500; color: var(--text-muted); margin-bottom: .35rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: .55rem .75rem; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font-size: .9rem; transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-input[readonly], .form-textarea[readonly] { background: var(--surface-alt); color: var(--text-muted); cursor: default; }
.form-textarea { resize: vertical; min-height: 80px; }
.form-input-display { padding: .55rem .75rem; background: var(--surface-alt); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: .9rem; color: var(--text-muted); min-height: 2.3rem; }
.form-input-file { font-size: .875rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.25rem; }
@media (max-width: 640px) { .form-grid, .form-grid-2 { grid-template-columns: 1fr; } }

/* ─── Tabs ─── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 1.5rem; }
.tab-btn {
  padding: .6rem 1.25rem; font-size: .9rem; font-weight: 500; color: var(--text-muted);
  background: none; border: none; cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -2px; transition: color .15s, border-color .15s;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.badge { background: var(--accent-blue); color: #fff; font-size: .72rem; padding: .1rem .45rem; border-radius: 10px; margin-left: .3rem; }
.badge-muted { background: var(--text-muted); }

/* ─── Protocol list cards ─── */
.proto-list { display: flex; flex-direction: column; gap: .75rem; }
.proto-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; box-shadow: var(--shadow); transition: border-color .15s; }
.proto-card:hover { border-color: #b0bbcc; }
.proto-card-date { font-size: .8rem; color: var(--text-muted); margin-bottom: .15rem; }
.proto-card-title { font-weight: 600; font-size: 1rem; }
.proto-card-meta { font-size: .85rem; color: var(--text-muted); margin-top: .15rem; }
.proto-card-actions { display: flex; align-items: center; gap: .5rem; flex-shrink: 0; }

/* ─── Status badges ─── */
.status-badge { display: inline-block; padding: .2rem .6rem; border-radius: 12px; font-size: .78rem; font-weight: 600; }
.status-entwurf { background: #fff7ed; color: #c2410c; border: 1px solid #fed7aa; }
.status-final { background: var(--success-bg); color: var(--success); border: 1px solid #bbf7d0; }

/* ─── Alerts ─── */
.alert { padding: .75rem 1rem; border-radius: var(--radius-sm); font-size: .9rem; }
.alert-error { background: var(--danger-bg); color: var(--danger); border: 1px solid #fecaca; }
.alert-warning { background: var(--warning-bg); color: var(--warning-text); border: 1px solid var(--warning-border); }
.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid #bbf7d0; }
.flash-messages { margin-bottom: 1rem; display: flex; flex-direction: column; gap: .5rem; }
.flash { padding: .7rem 1rem; border-radius: var(--radius-sm); background: var(--accent-blue-bg); color: var(--accent-blue); border: 1px solid #bfdbfe; font-size: .9rem; }

/* ─── Tables ─── */
.data-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.data-table th { text-align: left; padding: .6rem 1rem; font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); border-bottom: 1px solid var(--border); background: var(--surface-alt); }
.data-table td { padding: .65rem 1rem; border-bottom: 1px solid var(--border-light); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--hover); }
.table-actions { text-align: right; white-space: nowrap; display: flex; gap: .35rem; justify-content: flex-end; }

/* ─── Modal ─── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 500; display: flex; align-items: center; justify-content: center; }
.modal { background: var(--surface); border-radius: var(--radius); padding: 1.75rem; max-width: 480px; width: 90%; box-shadow: var(--shadow-lg); }
.modal-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 1rem; }
.modal-actions { display: flex; gap: .75rem; justify-content: flex-end; margin-top: 1.5rem; }
.dropdown-item { display: block; padding: .5rem .9rem; color: var(--text); font-size: .9rem; cursor: pointer; background: none; border: none; width: 100%; text-align: left; transition: background .1s; }
.dropdown-item:hover { background: var(--hover); text-decoration: none; }
.dropdown-item-danger { color: var(--danger); }
.dropdown-divider { border-top: 1px solid var(--border); margin: .25rem 0; }

/* ─── Empty state ─── */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state p { margin-bottom: 1rem; }

/* ─── Misc ─── */
.text-muted { color: var(--text-muted); }
.checkbox-scroll-list { border: 1px solid var(--border); border-radius: var(--radius-sm); max-height: 180px; overflow-y: auto; padding: .35rem 0; }
.checkbox-item { display: flex; align-items: center; gap: .5rem; padding: .3rem .75rem; font-size: .875rem; cursor: pointer; }
.checkbox-item:hover { background: var(--hover); }
code { background: var(--surface-alt); border: 1px solid var(--border-light); border-radius: 3px; padding: .1rem .3rem; font-size: .875em; font-family: 'Consolas', 'Courier New', monospace; }

/* ─── Login ─── */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
.login-wrap { width: 100%; max-width: 420px; padding: 1rem; }
.login-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem 2rem; box-shadow: var(--shadow-lg); text-align: center; }
.login-logo { margin-bottom: 1rem; }
.login-flame { width: 52px; height: 52px; color: #f97316; }
.login-title { font-size: 1.4rem; font-weight: 700; margin-bottom: .25rem; color: var(--text); }
.login-sub { color: var(--text-muted); font-size: .95rem; margin-bottom: 1.75rem; }
.login-alt { margin-top: 1.25rem; font-size: .875rem; color: var(--text-muted); }
.login-card .form-label { text-align: left; }
.login-card .form-input { text-align: left; }

/* ─── Editor specifics ─── */
.readonly-banner { background: var(--warning-bg); border: 1px solid var(--warning-border); color: var(--warning-text); padding: .75rem 1rem; border-radius: var(--radius-sm); margin-bottom: 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ─── Aktionen-Dropdown (Editor) ─── */
.aktionen-menu { display:none; position:absolute; right:0; top:calc(100% + 4px); background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-sm); min-width:230px; z-index:200; box-shadow:var(--shadow-lg); }

/* ─── Formular-Hilfklassen ─── */
.form-input-display { padding:.55rem .75rem; background:var(--surface-alt); border:1px solid var(--border); border-radius:var(--radius-sm); font-size:.9rem; color:var(--text); min-height:2.4rem; line-height:1.5; }

/* ─── Textarea auto-resize ─── */
textarea.form-textarea { overflow:hidden; }

/* ─── Tabellen in Karten ohne Padding ─── */
.card-body.p-0 { padding:0 !important; }

/* ─── Druck: Kein Header/Nav ─── */
@media print {
  .app-header, .app-main > .page-header, .btn, .tabs, .no-print { display:none !important; }
}