/* ============================================================
   Sicher-Notiz – app.css
   Palette: Tresor-Anthrazit #1e293b + Stahlgrün
   ============================================================ */

:root {
  --bg: #0f172a;
  --bg-elev: #1e293b;
  --bg-card: #1e2a3d;
  --bg-input: #0f1b2e;
  --border: #334155;
  --border-soft: #2a3a52;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-faint: #64748b;
  --accent: #14b8a6;          /* Stahlgrün */
  --accent-strong: #0d9488;
  --accent-soft: #134e4a;
  --accent-glow: rgba(20, 184, 166, 0.25);
  --danger: #ef4444;
  --danger-soft: #7f1d1d;
  --warn: #f59e0b;
  --ok: #22c55e;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --radius: 16px;
  --radius-sm: 10px;
  --tap: 44px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

[data-theme="light"] {
  --bg: #eef2f7;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;
  --border: #cbd5e1;
  --border-soft: #dbe3ec;
  --text: #1e293b;
  --text-dim: #475569;
  --text-faint: #94a3b8;
  --accent: #0d9488;
  --accent-strong: #0f766e;
  --accent-soft: #ccfbf1;
  --accent-glow: rgba(13, 148, 136, 0.2);
  --danger: #dc2626;
  --danger-soft: #fecaca;
  --shadow: 0 10px 30px rgba(30, 41, 59, 0.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(20, 184, 166, 0.10), transparent 60%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

.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: -999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  z-index: 100;
}
.skip-link:focus { left: 12px; top: calc(12px + var(--safe-top)); }

/* ---------- Header ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: calc(14px + var(--safe-top)) 16px 14px;
  background: linear-gradient(180deg, var(--bg-elev), rgba(30, 41, 59, 0.6));
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #062a26;
  box-shadow: 0 4px 14px var(--accent-glow);
  flex: 0 0 auto;
}

.brand-text { min-width: 0; }
.brand-text h1 {
  font-size: 1.15rem;
  margin: 0;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.tagline {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.header-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: var(--tap);
  padding: 0 12px;
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.15s, border-color 0.15s, transform 0.1s;
}
.icon-btn:hover { border-color: var(--accent); }
.icon-btn:active { transform: scale(0.97); }
#themeBtn { padding: 0 12px; font-size: 1.1rem; }

/* ---------- Main ---------- */
.app-main {
  flex: 1 1 auto;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 18px 16px 28px;
}

.view { animation: fade 0.25s ease; }

@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.auth-card { max-width: 460px; margin: 24px auto; }
.auth-card h2 { margin: 0 0 6px; font-size: 1.4rem; }
.lead { color: var(--text-dim); margin: 0 0 16px; }

.warning-box {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.4);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 0.88rem;
  color: var(--text);
  margin-bottom: 18px;
}
.warning-box strong { color: var(--warn); }

/* ---------- Form ---------- */
form label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  margin: 14px 0 6px;
}

input[type="text"],
input[type="password"],
input[type="search"],
textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  min-height: var(--tap);
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
::placeholder { color: var(--text-faint); }

.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 48px; }
.pw-toggle {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1.05rem;
  border-radius: 8px;
}
.pw-toggle:hover { color: var(--accent); background: var(--bg-elev); }

.check-row {
  display: flex !important;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0 4px;
  font-size: 0.85rem !important;
  font-weight: 400 !important;
  color: var(--text) !important;
}
.check-row input { width: 20px; height: 20px; min-height: auto; flex: 0 0 auto; margin-top: 1px; accent-color: var(--accent); }

.field-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin: 12px 0 0;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.35);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

/* Strength meter */
.strength { margin-top: 10px; }
.strength-bar {
  height: 8px;
  background: var(--bg-elev);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  overflow: hidden;
}
.strength-bar span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 999px;
  transition: width 0.25s, background 0.25s;
  background: var(--danger);
}
.strength-text { display: inline-block; margin-top: 6px; font-size: 0.78rem; color: var(--text-dim); }

/* ---------- Buttons ---------- */
.btn {
  font: inherit;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0 18px;
  min-height: var(--tap);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: background 0.15s, transform 0.1s, border-color 0.15s, opacity 0.15s;
}
.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-block { width: 100%; margin-top: 18px; }

.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-strong)); color: #042a26; }
[data-theme="light"] .btn-primary { color: #fff; }
.btn-primary:hover { filter: brightness(1.06); }

.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.05); }

.btn-danger-soft { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn-danger-soft:hover { background: rgba(239, 68, 68, 0.12); }

.danger-details {
  margin-top: 22px;
  border-top: 1px solid var(--border-soft);
  padding-top: 14px;
}
.danger-details summary {
  cursor: pointer;
  color: var(--text-dim);
  font-size: 0.88rem;
  list-style: none;
}
.danger-details summary::-webkit-details-marker { display: none; }
.danger-details summary::before { content: "⚠ "; }
.danger-details p { font-size: 0.85rem; color: var(--text-dim); margin: 12px 0; }

/* ---------- Toolbar / Notes ---------- */
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 14px;
}
.search-wrap {
  position: relative;
  flex: 1 1 220px;
  min-width: 0;
}
.search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  opacity: 0.7;
}
.search-wrap input { padding-left: 38px; padding-right: 38px; }
.clear-search {
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  width: 32px; height: 32px;
  border: none; background: transparent;
  color: var(--text-dim);
  cursor: pointer; border-radius: 8px;
  font-size: 0.9rem;
}
.clear-search:hover { color: var(--text); background: var(--bg-elev); }
#newNoteBtn { flex: 0 0 auto; }

.note-count { font-size: 0.8rem; color: var(--text-faint); margin: 0 0 12px; }

.notes-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }

.note-card {
  background: var(--bg-card);
  border: 1px solid var(--border-soft);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  cursor: pointer;
  transition: transform 0.12s, border-color 0.15s, box-shadow 0.15s;
  text-align: left;
  width: 100%;
}
.note-card:hover { border-color: var(--accent); box-shadow: 0 6px 18px rgba(0,0,0,0.25); transform: translateY(-1px); }
.note-card:focus-visible { outline: 3px solid var(--accent-glow); outline-offset: 2px; }
.note-card h3 {
  margin: 0 0 6px;
  font-size: 1.02rem;
  color: var(--text);
  overflow-wrap: anywhere;
}
.note-card .preview {
  margin: 0;
  font-size: 0.88rem;
  color: var(--text-dim);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  overflow-wrap: anywhere;
}
.note-card .meta {
  margin: 8px 0 0;
  font-size: 0.74rem;
  color: var(--text-faint);
}
.note-card mark {
  background: var(--accent);
  color: #042a26;
  border-radius: 3px;
  padding: 0 2px;
}

.empty-state { text-align: center; padding: 50px 20px; color: var(--text-dim); }
.empty-icon { font-size: 3rem; margin-bottom: 12px; }

/* ---------- Footer ---------- */
.app-footer {
  text-align: center;
  padding: 12px 16px calc(12px + var(--safe-bottom));
  font-size: 0.76rem;
  color: var(--text-faint);
  border-top: 1px solid var(--border-soft);
  background: var(--bg-elev);
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}
.lock-state { font-weight: 600; }
.lock-state.unlocked { color: var(--ok); }
.footer-sep { opacity: 0.5; }

/* ---------- Overlay / Modal ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 18, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  padding-top: calc(16px + var(--safe-top));
  padding-bottom: calc(16px + var(--safe-bottom));
  z-index: 50;
  animation: fade 0.18s ease;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 560px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  max-height: 100%;
  overflow: hidden;
}
.editor-modal { max-width: 620px; }
.confirm-modal { max-width: 420px; }

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border-soft);
}
.modal-head h3 { margin: 0; font-size: 1.1rem; }

.modal-body { padding: 16px 18px; overflow-y: auto; flex: 1 1 auto; }

.note-title-input {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.note-body-input {
  min-height: 220px;
  resize: vertical;
  line-height: 1.6;
}
.editor-meta { margin: 10px 0 0; font-size: 0.76rem; color: var(--text-faint); }

.modal-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  padding: 14px 18px calc(14px + var(--safe-bottom));
  border-top: 1px solid var(--border-soft);
}
.foot-right { display: flex; gap: 10px; flex-wrap: wrap; margin-left: auto; }

#confirmMsg { margin: 0; color: var(--text); overflow-wrap: anywhere; }

/* ---------- Install button ---------- */
.install-btn {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(16px + var(--safe-bottom));
  background: var(--accent);
  color: #042a26;
  border: none;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  z-index: 40;
}
[data-theme="light"] .install-btn { color: #fff; }

/* ---------- Toasts ---------- */
.toast-area {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(74px + var(--safe-bottom));
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 60;
  width: calc(100% - 32px);
  max-width: 420px;
  pointer-events: none;
}
.toast {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  font-size: 0.9rem;
  animation: toastIn 0.22s ease;
  overflow-wrap: anywhere;
}
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--danger); }
.toast.warn { border-left-color: var(--warn); }
@keyframes toastIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Responsive ---------- */
@media (max-width: 420px) {
  .icon-btn span:not(#themeIcon) { display: none; }
  #lockBtn { padding: 0 12px; }
  .brand-text h1 { font-size: 1.05rem; }
  .modal-foot { flex-direction: column; align-items: stretch; }
  .foot-right { margin-left: 0; }
  .btn-danger-soft { width: 100%; }
  .foot-right .btn { flex: 1 1 auto; }
}

/* ---------- A11y: Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

:focus-visible { outline: 3px solid var(--accent-glow); outline-offset: 2px; }