/* Projektverwaltung – gemeinsames Stylesheet.
   Touch-optimiert (Bedienelemente >=48px, 16px-Basisschrift gegen iOS-Zoom),
   responsive für iPhone/iPad/Desktop, Light/Dark über prefers-color-scheme. */

:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #eef1f4;
  --border: #d7dde3;
  --text: #1b2733;
  --text-muted: #5c6b7a;
  --primary: #0f766e;
  --primary-hover: #0c5f58;
  --primary-contrast: #ffffff;
  --danger: #b42318;
  --danger-hover: #911a12;
  --shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .06);
  --radius: 14px;
  --radius-sm: 10px;

  /* Statusfarben */
  --st-anfrage-bg: #eef4ff;      --st-anfrage-fg: #1d4ed8;
  --st-termin-bg: #fff4e5;       --st-termin-fg: #b45309;
  --st-bearbeitung-bg: #ecfdf5;  --st-bearbeitung-fg: #047857;
  --st-abgeschlossen-bg: #eceff2; --st-abgeschlossen-fg: #52606d;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1418;
    --surface: #172026;
    --surface-2: #1e2a31;
    --border: #2b3942;
    --text: #e7edf1;
    --text-muted: #9db0bd;
    --primary: #2dd4bf;
    --primary-hover: #5eead4;
    --primary-contrast: #06231f;
    --danger: #f97066;
    --danger-hover: #fda29b;
    --shadow: 0 1px 3px rgba(0, 0, 0, .4);
    --st-anfrage-bg: #1c2a4a;      --st-anfrage-fg: #93b4ff;
    --st-termin-bg: #3a2a12;       --st-termin-fg: #fcd39a;
    --st-bearbeitung-bg: #10312a;  --st-bearbeitung-fg: #6ee7b7;
    --st-abgeschlossen-bg: #232f37; --st-abgeschlossen-fg: #aebcc7;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  /* iOS Safe-Areas berücksichtigen (Home-Bildschirm-App) */
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

a { color: var(--primary); }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.topbar .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; }
.topbar .brand img { width: 30px; height: 30px; border-radius: 8px; }
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--text-muted); font-size: 14px; }

.layout { display: flex; min-height: calc(100dvh - 58px); }

/* ---------- Sidebar-Navigation (Desktop) / untere Leiste (mobil) ---------- */
.sidenav {
  flex: 0 0 220px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 16px 12px;
}
.sidenav a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; margin-bottom: 4px;
  border-radius: var(--radius-sm);
  color: var(--text); text-decoration: none; font-weight: 500;
  min-height: 48px;
}
.sidenav a .ico { width: 22px; text-align: center; font-size: 18px; }
.sidenav a.active { background: var(--surface-2); color: var(--primary); }
.sidenav a.disabled { color: var(--text-muted); opacity: .55; pointer-events: none; }
.sidenav a.disabled .soon { margin-left: auto; font-size: 11px; background: var(--surface-2); padding: 2px 7px; border-radius: 999px; }
.sidenav .group-label { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin: 18px 8px 6px; }

.content { flex: 1; padding: 20px; max-width: 1100px; width: 100%; margin: 0 auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 20px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  font-size: 16px; font-weight: 600; cursor: pointer;
  background: var(--surface-2); color: var(--text);
  text-decoration: none; -webkit-tap-highlight-color: transparent;
  transition: background .15s, border-color .15s;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--primary); color: var(--primary-contrast); }
.btn.primary:hover { background: var(--primary-hover); }
.btn.ghost { background: transparent; border-color: var(--border); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.small { min-height: 40px; padding: 0 14px; font-size: 14px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Formfelder ---------- */
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); }
input, select, textarea {
  width: 100%; min-height: 50px; padding: 12px 14px;
  font-size: 16px; font-family: inherit; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
}
textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: 1px; border-color: var(--primary); }
.field { margin-bottom: 16px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Cards / Panels ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 20px; }
.panel h2 { margin: 0 0 16px; font-size: 18px; }

.page-head { display: flex; align-items: center; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 24px; flex: 1; }

/* ---------- Toolbar (Suche + Filter) ---------- */
.toolbar { display: flex; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.toolbar .search { flex: 1; min-width: 200px; position: relative; }
.toolbar .search input { padding-left: 42px; }
.toolbar .search .ico { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }
.toolbar select { max-width: 200px; }

/* ---------- Projektliste ---------- */
.project-list { display: grid; gap: 12px; }
.project-card {
  display: block; text-decoration: none; color: inherit;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px 18px;
  transition: border-color .15s, transform .05s;
}
.project-card:hover { border-color: var(--primary); }
.project-card:active { transform: scale(.997); }
.project-card .row1 { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.project-card .pname { font-size: 18px; font-weight: 700; flex: 1; }
.project-card .meta { color: var(--text-muted); font-size: 14px; display: flex; flex-wrap: wrap; gap: 6px 16px; }
.project-card .meta .item { display: inline-flex; align-items: center; gap: 6px; }
.project-card .counts { color: var(--text-muted); font-size: 13px; margin-top: 8px; display: flex; gap: 14px; }

/* ---------- Status-Badge ---------- */
.badge { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; white-space: nowrap; }
.badge[data-status="Anfrage"] { background: var(--st-anfrage-bg); color: var(--st-anfrage-fg); }
.badge[data-status="Termin vereinbart"] { background: var(--st-termin-bg); color: var(--st-termin-fg); }
.badge[data-status="In Bearbeitung"] { background: var(--st-bearbeitung-bg); color: var(--st-bearbeitung-fg); }
.badge[data-status="Abgeschlossen"] { background: var(--st-abgeschlossen-bg); color: var(--st-abgeschlossen-fg); }

/* ---------- Modal ---------- */
.modal-backdrop { position: fixed; inset: 0; background: rgba(9, 14, 18, .5); display: none; align-items: flex-start; justify-content: center; padding: 24px 16px; z-index: 50; overflow-y: auto; }
.modal-backdrop.open { display: flex; }
.modal { background: var(--surface); border-radius: var(--radius); box-shadow: 0 20px 50px rgba(0,0,0,.3); width: 100%; max-width: 560px; padding: 24px; margin: auto 0; }
.modal h2 { margin: 0 0 18px; font-size: 20px; }
.modal .actions { display: flex; gap: 12px; margin-top: 8px; }
.modal .actions .btn { flex: 1; }

/* ---------- Detail: Info-Zeilen ---------- */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
@media (max-width: 640px) { .info-grid { grid-template-columns: 1fr; } }
.info-item .k { font-size: 13px; color: var(--text-muted); margin-bottom: 2px; }
.info-item .v { font-size: 16px; word-break: break-word; }
.info-item .v a { text-decoration: none; }

/* ---------- Notizen ---------- */
.note { background: var(--surface-2); border-radius: var(--radius-sm); padding: 12px 14px; margin-bottom: 10px; }
.note .body { white-space: pre-wrap; word-break: break-word; }
.note .foot { display: flex; justify-content: space-between; gap: 10px; color: var(--text-muted); font-size: 12px; margin-top: 8px; }

/* ---------- Dokumente ---------- */
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.doc { position: relative; background: var(--surface-2); border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--border); }
.doc a.open { display: block; text-decoration: none; color: inherit; }
.doc .thumb { height: 110px; display: flex; align-items: center; justify-content: center; background: var(--surface); font-size: 40px; }
.doc .thumb img { width: 100%; height: 100%; object-fit: cover; }
.doc .cap { padding: 8px 10px; font-size: 13px; }
.doc .cap .fn { font-weight: 600; word-break: break-word; }
.doc .cap .sz { color: var(--text-muted); font-size: 12px; }
.doc .del { position: absolute; top: 6px; right: 6px; width: 32px; height: 32px; border-radius: 8px; border: none; background: rgba(9,14,18,.6); color: #fff; font-size: 16px; cursor: pointer; display: flex; align-items: center; justify-content: center; }

/* ---------- Diverses ---------- */
.muted { color: var(--text-muted); }
.empty { text-align: center; color: var(--text-muted); padding: 48px 16px; }
.empty .big { font-size: 44px; margin-bottom: 8px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #1b2733; color: #fff; padding: 12px 20px; border-radius: var(--radius-sm); box-shadow: 0 8px 24px rgba(0,0,0,.3); z-index: 100; opacity: 0; pointer-events: none; transition: opacity .2s; font-size: 15px; }
.toast.show { opacity: 1; }
.toast.err { background: var(--danger); }
.spinner { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Mobile: Sidebar wird zur unteren Tableiste ---------- */
@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .content { padding: 16px; padding-bottom: 88px; }
  .sidenav {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 30;
    flex: none; display: flex; gap: 4px; padding: 6px;
    border-right: none; border-top: 1px solid var(--border);
    overflow-x: auto;
  }
  .sidenav .group-label { display: none; }
  .sidenav a { flex-direction: column; gap: 2px; min-width: 68px; font-size: 11px; padding: 8px 6px; text-align: center; min-height: 56px; }
  .sidenav a .ico { font-size: 20px; }
  .sidenav a.disabled { display: none; }
  .sidenav a .soon { display: none; }
}

/* ---------- Wärmepumpen-Modul ---------- */
.section-hint { background: var(--surface-2); border-left: 3px solid var(--primary); padding: 10px 14px; border-radius: 8px; font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.subhead { font-size: 13px; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin: 18px 0 10px; font-weight: 700; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 760px) { .grid-3 { grid-template-columns: 1fr; } }
.inline-check { display: flex; align-items: center; gap: 10px; min-height: 50px; }
.inline-check input[type=checkbox] { width: 22px; height: 22px; min-height: 22px; }
.inline-check label { margin: 0; }

.result-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 760px) { .result-cards { grid-template-columns: 1fr; } }
.rcard { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.rcard.span2 { grid-column: 1 / -1; }
.rcard h3 { margin: 0 0 10px; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.rcard .big-num { font-size: 30px; font-weight: 800; line-height: 1.1; }
.rcard .big-num small { font-size: 15px; font-weight: 600; color: var(--text-muted); }
.rcard .kv { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.rcard .kv:last-child { border-bottom: none; }
.rcard .kv .k { color: var(--text-muted); }
.rcard .kv .v { font-weight: 600; text-align: right; }
.rcard p { font-size: 14px; margin: 8px 0 0; color: var(--text); }
.rcard ul { margin: 8px 0 0; padding-left: 18px; font-size: 14px; }
.rcard li { margin-bottom: 4px; }

.pill { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pill.ok { background: var(--st-bearbeitung-bg); color: var(--st-bearbeitung-fg); }
.pill.warn { background: var(--st-termin-bg); color: var(--st-termin-fg); }
.pill.bad { background: #fde8e6; color: var(--danger); }
@media (prefers-color-scheme: dark) { .pill.bad { background: #3a1e1b; color: var(--danger); } }

.src-row { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.src-row:last-child { border-bottom: none; }
.src-row.rec { background: var(--st-bearbeitung-bg); border-radius: 8px; padding: 10px; margin: 0 -6px; }
.src-row .src-main { flex: 1; }
.src-row .src-name { font-weight: 700; font-size: 14px; }
.src-row .src-jaz { font-size: 13px; color: var(--text-muted); }
.src-row .src-reasons { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

.reco-box { background: linear-gradient(135deg, var(--primary), var(--primary-hover)); color: var(--primary-contrast); border-radius: var(--radius); padding: 20px; }
.reco-box h3 { margin: 0 0 12px; font-size: 17px; color: var(--primary-contrast); }
.reco-box ul { margin: 0; padding-left: 20px; }
.reco-box li { margin-bottom: 6px; font-size: 15px; }

.coverage { display: flex; align-items: flex-end; gap: 3px; height: 90px; margin-top: 10px; }
.coverage .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; position: relative; }
.coverage .bar .demand { background: var(--border); border-radius: 3px 3px 0 0; }
.coverage .bar .wp { background: var(--primary); border-radius: 3px 3px 0 0; position: absolute; bottom: 0; left: 0; right: 0; }
.coverage .bar .lbl { font-size: 9px; color: var(--text-muted); text-align: center; margin-top: 3px; }
.coverage-legend { display: flex; gap: 16px; font-size: 12px; color: var(--text-muted); margin-top: 6px; }
.coverage-legend span::before { content: "■ "; }
.coverage-legend .l-wp::before { color: var(--primary); }
.coverage-legend .l-dem::before { color: var(--border); }

.assess-list { display: grid; gap: 8px; }
.assess-item { display: flex; align-items: center; gap: 12px; padding: 12px 14px; background: var(--surface-2); border-radius: var(--radius-sm); }
.assess-item .ai-main { flex: 1; }
.assess-item .ai-title { font-weight: 600; }
.assess-item .ai-sub { font-size: 13px; color: var(--text-muted); }

/* Login */
.login-wrap { min-height: 100dvh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { width: 100%; max-width: 400px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 32px 28px; border: 1px solid var(--border); }
.login-card .logo { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 24px; text-align: center; }
.login-card .logo img { width: 64px; height: 64px; border-radius: 16px; }
.login-card .logo h1 { margin: 0; font-size: 22px; }
.login-card .logo p { margin: 0; color: var(--text-muted); font-size: 14px; }
.login-card .btn { width: 100%; margin-top: 8px; }
.login-error { background: var(--st-anfrage-bg); color: var(--danger); border: 1px solid var(--danger); padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 14px; }