/* =========================================================================
   Projekt-Hub — Dark-Theme-Basis
   Palette & Komponenten aus dem Prototyp (reference/projekte.html) übernommen
   und als gemeinsames Theme für den ganzen Hub aufbereitet. Module nutzen
   diese Variablen und Komponentenklassen.
   ========================================================================= */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #1a1a2e;
  --surface: #16213e;
  --card: #0f3460;
  --accent: #e94560;
  --accent2: #f5a623;
  --text: #eaeaea;
  --muted: #8892a4;
  --done: #3a4a5c;
  --done-text: #566272;
  --overdue: #ff6b6b;
  --soon: #f5a623;
  --ok: #4ecca3;
  --border: rgba(255, 255, 255, 0.07);
  --font: 'Segoe UI', system-ui, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  min-height: 100vh;
}

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

/* =========================================================================
   Hub-Navigation (gemeinsame Leiste über allen Modulen)
   ========================================================================= */
.hub-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.hub-brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}
.hub-brand span { color: var(--accent); }

.hub-nav-list {
  display: flex;
  gap: 0.4rem;
  list-style: none;
}
.hub-nav-list a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.35rem 0.7rem;
  border-radius: 20px;
  transition: background 0.15s, color 0.15s;
}
.hub-nav-list a:hover { color: var(--text); background: var(--card); }

.hub-nav-auth { margin-left: auto; display: flex; align-items: center; gap: 0.75rem; }
.hub-user { color: var(--muted); font-size: 0.82rem; }
.hub-nav-auth a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.82rem;
  transition: color 0.15s;
}
.hub-nav-auth a:hover { color: var(--accent); }

.hub-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.muted { color: var(--muted); }
.hidden { display: none; }

/* Lösch-Formulare in Aufgaben/Projekten sollen das Flex-Layout nicht stören. */
.task form, .project-card-header form { display: inline-flex; }

/* =========================================================================
   Flash-Meldungen
   ========================================================================= */
.flashes { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.flash {
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}
.flash-info    { background: var(--surface); color: var(--text); }
.flash-success { background: rgba(78, 204, 163, 0.12); border-color: var(--ok); color: var(--ok); }
.flash-error   { background: rgba(255, 107, 107, 0.14); border-color: var(--overdue); color: var(--overdue); }

/* =========================================================================
   Auth-Karten / Formulare
   ========================================================================= */
.auth-card {
  max-width: 380px;
  margin: 3rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem;
}
.auth-card h1 { margin-top: 0; margin-bottom: 0.4rem; font-size: 1.4rem; }
.auth-card .muted { margin-bottom: 1.2rem; font-size: 0.88rem; line-height: 1.5; }

.stack { display: flex; flex-direction: column; gap: 0.5rem; }
.stack label { font-size: 0.85rem; color: var(--muted); }
.stack input[type="text"],
.stack input[type="email"] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}
.stack input:focus { border-color: var(--accent); }

.field-error { color: var(--overdue); font-size: 0.83rem; }

.btn {
  margin-top: 0.5rem;
  padding: 0.6rem 0.9rem;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.85; }

/* =========================================================================
   Modul "Projekte" — Komponenten (aus dem Prototyp)
   ========================================================================= */

/* ── Seitenkopf ── */
.page-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.page-head h1 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.page-head h1 span { color: var(--accent); }
.today { font-size: 0.8rem; color: var(--muted); }

/* ── Stats-Leiste ── */
.stats { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2rem; }
.stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.stat strong { color: var(--text); font-size: 1.1rem; display: block; }

/* ── Aufgaben-Formular ── */
.add-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}
.add-form .row { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.add-form input[type="text"],
.add-form input[type="date"],
.add-form select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.55rem 0.8rem;
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}
.add-form input[type="text"] { flex: 1; min-width: 180px; }
.add-form input[type="date"] { width: 145px; color-scheme: dark; }
.add-form select { width: 150px; }
.add-form input:focus, .add-form select:focus { border-color: var(--accent); }

.btn-add {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s;
}
.btn-add:hover { opacity: 0.85; }

/* ── Projektverwaltung ── */
.project-mgmt {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 1rem;
}
.project-mgmt input[type="text"] {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  font-family: var(--font);
  outline: none;
  width: 160px;
}
.project-mgmt input:focus { border-color: var(--accent); }

.btn-small {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-small:hover { background: var(--card); }

/* ── Abschnitte ── */
.section { margin-bottom: 2rem; }
.section-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
  user-select: none;
}
.section-header.clickable { cursor: pointer; }
.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.section-count {
  font-size: 0.7rem;
  background: var(--card);
  color: var(--muted);
  border-radius: 20px;
  padding: 0.1rem 0.5rem;
}
.collapse-btn {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0;
}

/* ── Projektkarte ── */
.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 1rem;
  overflow: hidden;
}
.project-card-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}
.project-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.project-name { font-weight: 600; font-size: 0.95rem; flex: 1; }
.project-meta { font-size: 0.75rem; color: var(--muted); }
.project-delete {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  transition: color 0.15s;
}
.project-delete:hover { color: var(--accent); }

/* ── Aufgaben-Eintrag ── */
.task-list { padding: 0.4rem 0; }
.task {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.task:last-child { border-bottom: none; }
.task:hover { background: rgba(255, 255, 255, 0.03); }
.task.done { opacity: 0.5; }
.task input[type="checkbox"] {
  margin-top: 0.15rem;
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.task-body { flex: 1; min-width: 0; }
.task-text { font-size: 0.9rem; line-height: 1.4; word-break: break-word; }
.task.done .task-text { text-decoration: line-through; color: var(--done-text); }

.task-due {
  display: inline-block;
  margin-top: 0.25rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.5rem;
  border-radius: 20px;
  letter-spacing: 0.03em;
}
.due-overdue { background: rgba(255, 107, 107, 0.18); color: var(--overdue); }
.due-soon    { background: rgba(245, 166, 35, 0.18);  color: var(--soon); }
.due-ok      { background: rgba(78, 204, 163, 0.12);  color: var(--ok); }
.due-none    { background: var(--card); color: var(--muted); }

.task-project-tag {
  font-size: 0.68rem;
  padding: 0.1rem 0.45rem;
  border-radius: 20px;
  margin-left: 0.3rem;
  font-weight: 600;
}

.task-delete {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
  opacity: 0;
  transition: opacity 0.15s, color 0.15s;
  flex-shrink: 0;
}
.task:hover .task-delete { opacity: 1; }
.task-delete:hover { color: var(--accent); }

.empty-hint {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 1.5rem;
}

/* ── Filter-Leiste ── */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 0.75rem;
}
.filter-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 20px;
  padding: 0.3rem 0.8rem;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.15s;
}
.filter-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }
.filter-btn:hover:not(.active) { border-color: var(--muted); color: var(--text); }
.filter-label { font-size: 0.75rem; color: var(--muted); margin-right: 0.2rem; }

/* ── Trenner ── */
.divider { margin-bottom: 2rem; border: none; border-top: 1px solid var(--border); }

/* ── Backup/Sync-Leiste ── */
.sync-bar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.sync-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-right: 0.25rem;
}
.btn-sync {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}
.btn-sync:hover { background: #1a3a5c; border-color: var(--accent); }
.btn-sync.export { border-color: var(--ok); color: var(--ok); }
.btn-sync.export:hover { background: rgba(78, 204, 163, 0.1); }
.btn-sync.import { border-color: var(--accent2); color: var(--accent2); }
.btn-sync.import:hover { background: rgba(245, 166, 35, 0.1); }
.sync-hint { font-size: 0.72rem; color: var(--muted); margin-left: auto; }

/* ── Toast ── */
.sync-toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
  font-weight: 500;
  pointer-events: none;
  transition: transform 0.25s ease, opacity 0.25s ease;
  opacity: 0;
  z-index: 100;
  white-space: nowrap;
}
.sync-toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }