/* Plattform-Cockpit: ruhiges B2B-Admin-Design, Token-basiert, hell + dunkel.
   Tap-Ziele >= 44px, Basis 16px, kein horizontales Scrollen 375-1440px. */

:root {
  /* ---- Design-Tokens (DESIGN.md) ---- */
  --color-primary: #2563EB;
  --color-on-primary: #ffffff;
  /* Akzent (nur primäre CTAs, z. B. «Freigeben»): #EA580C erreicht mit Weiss
     nur ~3.2:1, darum die dunklere Stufe #C2410C (>= 4.5:1). */
  --color-accent: #C2410C;
  --color-on-accent: #ffffff;
  --color-bg: #F8FAFC;
  --color-fg: #1E293B;
  --color-card: #FFFFFF;
  --color-card-fg: #1E293B;
  --color-muted: #E9EFF8;
  --color-muted-fg: #475569;
  --color-border: #E2E8F0;
  --color-destructive: #DC2626;
  --color-on-destructive: #ffffff;
  --color-ring: #2563EB;

  /* Status-Tinten mit lesbarer Schriftfarbe */
  --color-ok: #15803D;
  --color-ok-bg: #DCFCE7;
  --color-warn: #854D0E;
  --color-warn-bg: #FEF3C7;
  --color-bad: #B91C1C;
  --color-bad-bg: #FEE2E2;
  --color-info: #1D4ED8;
  --color-info-bg: #DBEAFE;
  --color-neutral: #475569;
  --color-neutral-bg: #E9EFF8;

  /* Toast-Streifen: die Toastfläche ist invertiert (Hintergrund --color-fg),
     darum hier die Status-Tinten des dunklen Themes (>= 3:1 auf #1E293B). */
  --toast-ok: #86EFAC;
  --toast-warn: #FCD34D;
  --toast-bad: #FCA5A5;
  --toast-info: #93C5FD;

  /* Primär als Text/Fläche (aktive Navigation, Links) */
  --color-primary-ink: #1D4ED8;
  --color-primary-tint: #DBEAFE;
  --color-faint-fg: #64748B;

  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.06);
  --radius: 12px;
  --tap: 44px;
  --topbar-h: 68px;
  --sidebar-w: 240px;
  --sidebar-w-min: 64px;

  /* ---- Legacy-Aliase (bestehende Bereiche bauen darauf) ---- */
  --bg: var(--color-bg);
  --card: var(--color-card);
  --ink: var(--color-fg);
  --ink2: var(--color-muted-fg);
  --ink3: var(--color-faint-fg);
  --line: var(--color-border);
  --accent: var(--color-primary);
  --accent-ink: var(--color-on-primary);
  --accent-bg: var(--color-primary-tint);
  --ok: var(--color-ok);
  --ok-bg: var(--color-ok-bg);
  --warn: var(--color-warn);
  --warn-bg: var(--color-warn-bg);
  --bad: var(--color-bad);
  --bad-bg: var(--color-bad-bg);
  --info: var(--color-info);
  --info-bg: var(--color-info-bg);
  --neutral: var(--color-neutral);
  --neutral-bg: var(--color-neutral-bg);
  --shadow: var(--shadow-card);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #2563EB;
    --color-on-primary: #ffffff;
    --color-accent: #C2410C;
    --color-on-accent: #ffffff;
    --color-bg: #0F172A;
    --color-fg: #E6EBF2;
    --color-card: #1E293B;
    --color-card-fg: #E6EBF2;
    --color-muted: #283548;
    --color-muted-fg: #A9B6C8;
    --color-border: #334155;
    --color-destructive: #DC2626;
    --color-on-destructive: #ffffff;
    --color-ring: #60A5FA;

    --color-ok: #86EFAC;
    --color-ok-bg: #16301F;
    --color-warn: #FCD34D;
    --color-warn-bg: #33290F;
    --color-bad: #FCA5A5;
    --color-bad-bg: #3B1B1B;
    --color-info: #93C5FD;
    --color-info-bg: #1E3151;
    --color-neutral: #A9B6C8;
    --color-neutral-bg: #2A3648;

    /* Toastfläche ist hier hell (#E6EBF2), darum die hellen Status-Tinten. */
    --toast-ok: #15803D;
    --toast-warn: #854D0E;
    --toast-bad: #B91C1C;
    --toast-info: #1D4ED8;

    --color-primary-ink: #93C5FD;
    --color-primary-tint: #24344F;
    --color-faint-fg: #94A3B8;

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font: 16px/1.5 "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--color-fg);
  background: var(--color-bg);
  min-height: 100vh;
}

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
    scroll-behavior: auto !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 12px; top: -64px;
  z-index: 100;
  padding: 10px 16px;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: 8px;
  text-decoration: none;
  transition: top 150ms ease;
}
.skip-link:focus-visible { top: 12px; }

svg { flex: 0 0 auto; }

/* ==================== Seitenleiste ==================== */

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  display: none;
  flex-direction: column;
  gap: 8px;
  background: var(--color-card);
  border-right: 1px solid var(--color-border);
  padding: 16px 12px calc(12px + env(safe-area-inset-bottom));
  z-index: 30;
  overflow-y: auto;
}

.side-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 14px;
}

.side-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.side-brand-text { display: grid; line-height: 1.25; }
.side-brand-text strong { font-size: 14px; font-weight: 700; }
.side-brand-text span { font-size: 12px; color: var(--color-muted-fg); }

.side-nav { display: grid; gap: 2px; flex: 1 1 auto; align-content: start; }

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: var(--tap);
  padding: 0 12px;
  border-radius: 8px;
  color: var(--color-muted-fg);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 600;
  transition: background-color 150ms ease, color 150ms ease;
  -webkit-tap-highlight-color: transparent;
}

.nav-item:hover { background: var(--color-muted); color: var(--color-fg); }

.nav-item[aria-current="page"] {
  background: var(--color-primary-tint);
  color: var(--color-primary-ink);
}

.nav-item[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0; top: 10px; bottom: 10px;
  width: 3px;
  border-radius: 3px;
  background: var(--color-primary);
}

.nav-icon { display: inline-flex; }
.nav-icon svg { width: 20px; height: 20px; }

.side-user {
  border-top: 1px solid var(--color-border);
  padding: 12px 8px 0;
  display: grid;
  gap: 6px;
}
.side-user:empty { display: none; }
.side-user-label { font-size: 13px; font-weight: 600; color: var(--color-muted-fg); }
.side-user-roles { display: flex; flex-wrap: wrap; gap: 6px; }
.side-user-id {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--color-faint-fg);
  word-break: break-all;
}

/* ==================== Kopfzeile ==================== */

.shell { min-height: 100vh; display: flex; flex-direction: column; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  padding-top: env(safe-area-inset-top);
}

@supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)) {
  .top {
    background: color-mix(in srgb, var(--color-card) 78%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

.top-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  flex-wrap: wrap;
}

.brand {
  flex: 1 1 100%;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-muted-fg);
}

.top-row .select { flex: 1 1 200px; max-width: 420px; }

.user {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  flex: 1 1 100%;
  order: 5;
}
.user::-webkit-scrollbar { display: none; }
.user:empty { display: none; }

.login { display: flex; gap: 8px; margin-left: auto; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--color-neutral-bg);
  color: var(--color-neutral);
  font-size: 13px;
  white-space: nowrap;
}
.chip-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* Mobile Tab-Leiste (unter 768px) */
.tabs {
  display: flex;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 0 8px;
  gap: 2px;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: var(--tap);
  padding: 0 12px;
  white-space: nowrap;
  color: var(--color-muted-fg);
  text-decoration: none;
  border-bottom: 3px solid transparent;
  font-size: 14.5px;
  font-weight: 600;
  transition: color 150ms ease, border-color 150ms ease;
  -webkit-tap-highlight-color: transparent;
}
.tab svg { width: 18px; height: 18px; }
.tab[aria-current="page"] {
  color: var(--color-primary-ink);
  border-bottom-color: var(--color-primary);
}
.tab-icon { font-size: 16px; display: inline-flex; }

/* ==================== Inhalt ==================== */

.view {
  flex: 1 1 auto;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

.loading { color: var(--color-faint-fg); padding: 12px 0; }

.foot {
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
  font-size: 13px;
  color: var(--color-faint-fg);
  text-align: center;
  border-top: 1px solid var(--color-border);
}

/* ---------- Seitenkopf ---------- */

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin: 4px 0 20px;
}

.page-title { margin: 0; font-size: 24px; font-weight: 700; line-height: 1.25; }
.page-subtitle { margin: 4px 0 0; font-size: 14.5px; color: var(--color-muted-fg); }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }

/* ---------- Raster und Kennzahlen ---------- */

.grid { display: grid; gap: 16px; }
.grid-1 { grid-template-columns: 1fr; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.kpi-row { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); margin: 0 0 16px; }

@media (max-width: 1023.98px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 599.98px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .kpi-row { grid-template-columns: 1fr; }
}

.stat {
  min-height: var(--tap);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 14px 16px;
  display: grid;
  gap: 2px;
  align-content: start;
}

.stat-label { font-size: 13px; font-weight: 600; color: var(--color-muted-fg); }
.stat-value { font-size: 24px; font-weight: 800; line-height: 1.2; color: var(--color-card-fg); }
.stat-hint { font-size: 13px; color: var(--color-faint-fg); }

.stat-ok .stat-value { color: var(--color-ok); }
.stat-warn .stat-value { color: var(--color-warn); }
.stat-bad .stat-value { color: var(--color-bad); }
.stat-info .stat-value { color: var(--color-info); }

/* ---------- Karten / Abschnitte ---------- */

.card {
  background: var(--color-card);
  color: var(--color-card-fg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 16px;
  margin: 0 0 16px;
}

.card > h2 { margin: 0 0 10px; font-size: 17px; font-weight: 700; }
.card > * + * { margin-top: 10px; }

.note { margin: 0; color: var(--color-muted-fg); font-size: 14.5px; }

.empty {
  padding: 20px 12px;
  color: var(--color-faint-fg);
  text-align: center;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius);
}

.error-card { border-color: var(--color-destructive); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: var(--tap);
  min-width: var(--tap);
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  color: var(--color-fg);
  background: var(--color-muted);
  transition: background-color 150ms ease, filter 150ms ease;
}

.btn svg { width: 20px; height: 20px; }

.btn-primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn-accent { background: var(--color-accent); color: var(--color-on-accent); }
.btn-ghost { background: transparent; border-color: var(--color-border); color: var(--color-fg); }
.btn-danger { background: var(--color-destructive); color: var(--color-on-destructive); }

.btn:hover { filter: brightness(0.97); }
.btn:active { filter: brightness(0.9); }
.btn[disabled], .btn[aria-busy="true"] { opacity: 0.6; cursor: progress; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ---------- Badges und Pills ---------- */

.badge, .pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 26px;
  padding: 1px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  line-height: 1.2;
}

.badge-ok, .pill-ok, .pill-approved, .pill-placed { background: var(--color-ok-bg); color: var(--color-ok); }
.badge-warn, .pill-warn, .pill-pending { background: var(--color-warn-bg); color: var(--color-warn); }
.badge-bad, .pill-bad, .pill-rejected { background: var(--color-bad-bg); color: var(--color-bad); }
.badge-info, .pill-info, .pill-proposed { background: var(--color-info-bg); color: var(--color-info); }
.badge-neutral, .pill-neutral, .pill-none { background: var(--color-neutral-bg); color: var(--color-neutral); }

.pill::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
}

/* ---------- Formulare ---------- */

.form { display: grid; gap: 12px; }

.field { display: grid; gap: 4px; }

.field > label { font-size: 13px; color: var(--color-muted-fg); font-weight: 600; }

.input, .select, .textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-card);
  color: var(--color-card-fg);
  font: inherit;
  font-size: 16px; /* verhindert Zoom auf iOS */
}

.select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 36px;
  background-image: linear-gradient(45deg, transparent 50%, var(--color-faint-fg) 50%),
                    linear-gradient(135deg, var(--color-faint-fg) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.textarea { min-height: 96px; resize: vertical; }

.form-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Tabellen: breit als Tabelle, schmal als Karten ---------- */

.tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.tbl th, .tbl td {
  text-align: left;
  vertical-align: top;
  padding: 10px 10px;
  border-bottom: 1px solid var(--color-border);
}

.tbl th {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-faint-fg);
  white-space: nowrap;
}

.tbl .ta-r { text-align: right; }
.tbl .ta-c { text-align: center; }

.tbl .cell { display: inline-flex; flex-wrap: wrap; gap: 6px; align-items: center; }

.tbl .row-click { cursor: pointer; transition: background-color 150ms ease; }
.tbl .row-click:hover, .tbl .row-click:focus-visible { background: var(--color-muted); }

/* Auch ab 1024px bleibt .tbl-wrap ein Scroll-Container (overflow-x: auto oben):
   overflow-x: clip wuerde breite Tabellen (z. B. Bauprogramm mit Kalender-Spalte
   und Freigabe-Aktionen) rechts unerreichbar abschneiden. Dafuer klebt der
   Tabellenkopf nicht mehr am Seitenkopf. */

@media (max-width: 719.98px) {
  .tbl, .tbl tbody, .tbl tr, .tbl td { display: block; width: 100%; }
  .tbl thead { display: none; }

  .tbl tr {
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 6px 12px;
    margin: 0 0 10px;
    background: var(--color-card);
  }

  .tbl td {
    display: grid;
    grid-template-columns: minmax(88px, 36%) 1fr;
    gap: 8px;
    padding: 7px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .tbl td:last-child { border-bottom: 0; }

  .tbl td::before {
    content: attr(data-label);
    color: var(--color-faint-fg);
    font-size: 13px;
    padding-top: 2px;
  }

  .tbl td.ta-r, .tbl td.ta-c { text-align: left; }
  .tbl td.cell-actions { grid-template-columns: 1fr; }
  .tbl td.cell-actions::before { display: none; }
}

/* ---------- Toast ---------- */

.toasts {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-height: var(--tap);
  max-width: 560px;
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius);
  background: var(--color-fg);
  color: var(--color-bg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  font-size: 15px;
  cursor: pointer;
  border-left: 5px solid var(--color-neutral);
}

.toast-ok { border-left-color: var(--toast-ok); }
.toast-warn { border-left-color: var(--toast-warn); }
.toast-bad { border-left-color: var(--toast-bad); }
.toast-info { border-left-color: var(--toast-info); }

/* ---------- Dialoge ---------- */

.dlg {
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 18px;
  width: min(92vw, 420px);
  background: var(--color-card);
  color: var(--color-card-fg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.dlg::backdrop { background: rgba(15, 23, 42, 0.5); }

.dlg p { margin: 0 0 16px; font-size: 16px; }

.dlg .dlg-actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.dlg .dlg-actions .btn { flex: 1 1 120px; }

.dlg-modal { width: min(94vw, 520px); }
.dlg-modal .dlg-title { margin: 0 0 12px; font-size: 17px; font-weight: 700; }
.dlg-modal .dlg-body { margin: 0 0 16px; }
.dlg-modal .dlg-actions .btn { flex: 0 1 auto; min-width: 120px; }

/* ---------- Kleinigkeiten ---------- */

.muted { color: var(--color-faint-fg); }
.small { font-size: 13px; }
.stack { display: grid; gap: 10px; }

/* ---------- Bereich Offerten: Status-Chip im Seitenkopf ---------- */

.offerten-status { display: inline-flex; align-items: center; }

/* ==================== Breakpoints der Schale ==================== */

/* 768-1023px: schmale Icon-Seitenleiste, Labels als sichtbare Tooltips */
@media (min-width: 768px) {
  .sidebar { display: flex; }
  .shell { margin-left: var(--sidebar-w-min); }
  .brand { display: none; }
  .tabs { display: none; }
  .user { flex: 0 1 auto; order: 0; overflow: visible; flex-wrap: wrap; }
  .top-row { min-height: var(--topbar-h); padding: 8px 24px; }
  .view { padding: 24px 24px 56px; }
}

@media (min-width: 768px) and (max-width: 1023.98px) {
  .sidebar { width: var(--sidebar-w-min); padding-left: 8px; padding-right: 8px; align-items: center; overflow: visible; }
  .side-brand { padding: 4px 0 14px; }
  .side-brand-text { display: none; }
  .side-nav { justify-items: center; width: 100%; }
  .nav-item { justify-content: center; width: 48px; padding: 0; }
  .nav-item[aria-current="page"]::before { top: auto; bottom: 4px; left: 12px; right: 12px; width: auto; height: 3px; }
  .nav-label {
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-fg);
    color: var(--color-bg);
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 13px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 150ms ease;
    z-index: 40;
  }
  .nav-item:hover .nav-label,
  .nav-item:focus .nav-label,
  .nav-item:focus-visible .nav-label { opacity: 1; }
  .side-user { display: none; }
}

/* >= 1024px: volle Seitenleiste, Benutzerkarte unten */
@media (min-width: 1024px) {
  .shell { margin-left: var(--sidebar-w); }
  .user { display: none; }
}

/* ---------- Druck ---------- */

@media print {
  .sidebar, .top, .foot, .skip-link, .toasts { display: none !important; }
  .shell { margin: 0; }
  body { background: #fff; color: #000; }
  .card, .stat { box-shadow: none; break-inside: avoid; }
}