/* ═══════════════════════════════════════════════════════
   NOTES OFFLINE — style.css
   Aesthetic: Dark editorial / warm amber accents
   Font: DM Serif Display + DM Sans
   ═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&display=swap');

/* ─── CSS CUSTOM PROPERTIES ──────────────────────────── */
:root {
  /* Dark theme (default) */
  --bg:            #0f0f11;
  --bg-2:          #17171a;
  --bg-3:          #1e1e22;
  --bg-4:          #27272d;
  --border:        rgba(255,255,255,0.07);
  --border-strong: rgba(255,255,255,0.14);
  --text:          #f0eff2;
  --text-2:        #9d9ba8;
  --text-3:        #5e5c6b;
  --accent:        #f4c542;
  --accent-2:      #e8a800;
  --accent-glow:   rgba(244,197,66,0.15);
  --danger:        #e85555;
  --danger-2:      #c43c3c;
  --success:       #52c97a;
  --pin-color:     #f4c542;
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:     0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg:     0 16px 48px rgba(0,0,0,0.6);
  --radius-sm:     8px;
  --radius-md:     14px;
  --radius-lg:     20px;
  --font-display:  'DM Serif Display', Georgia, serif;
  --font-body:     'DM Sans', system-ui, sans-serif;
  --easing:        cubic-bezier(0.34, 1.06, 0.64, 1);
  --easing-fast:   cubic-bezier(0.2, 0.8, 0.4, 1);
  --safe-top:      env(safe-area-inset-top, 0px);
  --safe-bot:      env(safe-area-inset-bottom, 0px);
}

[data-theme="light"] {
  --bg:            #faf9f6;
  --bg-2:          #f2f0ea;
  --bg-3:          #e8e5db;
  --bg-4:          #dedad0;
  --border:        rgba(0,0,0,0.07);
  --border-strong: rgba(0,0,0,0.14);
  --text:          #1a1915;
  --text-2:        #5a5748;
  --text-3:        #a8a49a;
  --accent:        #c9900e;
  --accent-2:      #a87000;
  --accent-glow:   rgba(201,144,14,0.12);
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.08);
  --shadow-md:     0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg:     0 16px 48px rgba(0,0,0,0.16);
}

/* ─── RESET & BASE ───────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  height: 100%;
  overflow: hidden;
}

body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  overflow: hidden;
  transition: background 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── VIEWS ──────────────────────────────────────────── */
.view {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: translateX(100%);
  transition: transform 0.35s var(--easing);
  will-change: transform;
  background: var(--bg);
}

.view.active {
  transform: translateX(0);
}

/* ─── TOAST ──────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: calc(80px + var(--safe-bot));
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-4);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  transition: all 0.3s var(--easing);
  pointer-events: none;
  z-index: 9999;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-md);
  max-width: 90vw;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── SYNC BAR ───────────────────────────────────────── */
.sync-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--accent);
  color: #0f0f11;
  font-size: 12px;
  font-weight: 600;
  padding: calc(var(--safe-top) + 6px) 16px 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  letter-spacing: 0.03em;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.sync-bar.hidden {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

.sync-dots { display: flex; gap: 3px; }
.sync-dots span {
  width: 4px; height: 4px;
  background: #0f0f11;
  border-radius: 50%;
  animation: syncDot 1.2s ease-in-out infinite;
}
.sync-dots span:nth-child(2) { animation-delay: 0.2s; }
.sync-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes syncDot {
  0%, 60%, 100% { transform: scale(1); opacity: 0.4; }
  30% { transform: scale(1.4); opacity: 1; }
}

/* ─── APP HEADER ─────────────────────────────────────── */
.app-header {
  padding: calc(var(--safe-top) + 12px) 16px 0;
  background: var(--bg);
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--text);
  letter-spacing: -0.02em;
}

.header-actions {
  display: flex;
  gap: 4px;
}

/* ─── SEARCH ─────────────────────────────────────────── */
.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0 12px;
  height: 44px;
  transition: border-color 0.2s ease, background 0.2s ease;
  margin-bottom: 10px;
}

.search-wrap:focus-within {
  background: var(--bg-4);
  border-color: var(--border-strong);
}

.search-icon {
  color: var(--text-3);
  flex-shrink: 0;
  margin-right: 8px;
}

#search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  min-width: 0;
}

#search-input::placeholder { color: var(--text-3); }

.search-clear {
  background: transparent;
  border: none;
  color: var(--text-3);
  cursor: pointer;
  font-size: 14px;
  padding: 4px;
  line-height: 1;
  transition: color 0.2s;
}
.search-clear:hover { color: var(--text); }

/* ─── STATS BAR ──────────────────────────────────────── */
.stats-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-3);
  padding-bottom: 12px;
  letter-spacing: 0.01em;
}

.stats-sep { opacity: 0.4; }

.online-indicator {
  font-size: 9px;
  transition: color 0.3s ease;
}
.online-indicator.online { color: var(--success); opacity: 1; }
.online-indicator.offline { color: var(--text-3); opacity: 0.5; }

#online-label { font-size: 12px; }

/* ─── NOTES MAIN ─────────────────────────────────────── */
.notes-main {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 16px calc(100px + var(--safe-bot));
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
}

.notes-main::-webkit-scrollbar { display: none; }

/* ─── SECTION LABELS ─────────────────────────────────── */
.notes-section {
  margin-bottom: 4px;
}

.section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 0 8px;
}

/* ─── NOTES GRID ─────────────────────────────────────── */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}

@media (max-width: 360px) {
  .notes-grid { grid-template-columns: 1fr; }
}

/* ─── NOTE CARD ──────────────────────────────────────── */
.note-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  position: relative;
  transition: transform 0.18s var(--easing), box-shadow 0.18s ease, border-color 0.2s ease;
  animation: cardIn 0.35s var(--easing) backwards;
  overflow: hidden;
  min-height: 100px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.note-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: var(--border-strong);
}

.note-card:active {
  transform: scale(0.97);
}

.note-card.pinned {
  border-color: rgba(244, 197, 66, 0.3);
}

.note-card.locked::after {
  content: '🔒';
  position: absolute;
  bottom: 10px;
  right: 12px;
  font-size: 12px;
  opacity: 0.6;
}

.note-card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -0.01em;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.note-card-preview {
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.45;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  flex: 1;
}

.note-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.note-card-time {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.01em;
}

.card-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.note-card:hover .card-actions { opacity: 1; }

.card-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px;
  border-radius: 6px;
  color: var(--text-3);
  transition: color 0.15s, background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-btn:hover { color: var(--text); background: var(--bg-4); }
.card-btn.active { color: var(--pin-color); }

/* Swipe-to-delete hint */
.note-card.swiping {
  transform: translateX(-80px);
  transition: transform 0.2s ease;
}

.swipe-delete-bg {
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 80px;
  background: var(--danger);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  pointer-events: none;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Highlight matching search text */
mark {
  background: var(--accent-glow);
  color: var(--accent);
  border-radius: 2px;
  padding: 0 1px;
}

/* ─── EMPTY STATES ───────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 64px 24px;
  text-align: center;
  gap: 8px;
}

.empty-icon { font-size: 48px; line-height: 1; }

.empty-title {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--text-2);
  margin-top: 8px;
}

.empty-sub {
  font-size: 13px;
  color: var(--text-3);
}

/* ─── FAB ────────────────────────────────────────────── */
.fab {
  position: fixed;
  bottom: calc(24px + var(--safe-bot));
  right: 20px;
  width: 58px;
  height: 58px;
  background: var(--accent);
  color: #0f0f11;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(244,197,66,0.4), var(--shadow-md);
  transition: transform 0.2s var(--easing), box-shadow 0.2s ease;
  z-index: 100;
}

.fab:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(244,197,66,0.5), var(--shadow-md); }
.fab:active { transform: scale(0.93); }

/* ─── ICON BUTTONS ───────────────────────────────────── */
.icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background 0.15s;
  min-width: 36px;
  min-height: 36px;
}
.icon-btn:hover { color: var(--text); background: var(--bg-3); }
.icon-btn.active { color: var(--accent); }
.icon-btn.danger:hover { color: var(--danger); }

/* ─── EDITOR VIEW ────────────────────────────────────── */
.editor-shell {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

.editor-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: calc(var(--safe-top) + 8px) 12px 8px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--bg);
}

.back-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-2);
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  min-height: 36px;
  transition: color 0.15s, background 0.15s;
}
.back-btn:hover { color: var(--text); background: var(--bg-3); }

.save-status {
  flex: 1;
  font-size: 12px;
  color: var(--text-3);
  text-align: center;
  transition: color 0.3s;
}
.save-status.saving { color: var(--accent); }
.save-status.saved  { color: var(--success); }

.editor-header-actions {
  display: flex;
  gap: 0;
}

.editor-meta {
  display: flex;
  gap: 12px;
  padding: 8px 16px;
  font-size: 11px;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

.editor-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  -webkit-overflow-scrolling: touch;
}

.editor-body::-webkit-scrollbar { display: none; }

.note-title-input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.02em;
  resize: none;
  padding: 0;
  caret-color: var(--accent);
}

.note-title-input::placeholder { color: var(--text-3); }

.note-content-input {
  width: 100%;
  flex: 1;
  min-height: 300px;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 15.5px;
  color: var(--text-2);
  line-height: 1.7;
  resize: none;
  padding: 0;
  caret-color: var(--accent);
}

.note-content-input::placeholder { color: var(--text-3); }

.editor-footer {
  display: flex;
  gap: 12px;
  padding: 8px 16px calc(var(--safe-bot) + 8px);
  font-size: 11px;
  color: var(--text-3);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  letter-spacing: 0.01em;
}

/* ─── OVERLAY / DIALOG ───────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: overlayIn 0.2s ease;
}

.overlay.hidden {
  display: none;
}

@keyframes overlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.dialog {
  background: var(--bg-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: dialogIn 0.25s var(--easing);
}

@keyframes dialogIn {
  from { opacity: 0; transform: scale(0.92) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.dialog h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  color: var(--text);
  letter-spacing: -0.01em;
}

.dialog-desc {
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.5;
}

.dialog-input {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
  caret-color: var(--accent);
}

.dialog-input:focus {
  border-color: var(--accent);
}

.dialog-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 4px;
}

/* ─── BUTTONS ────────────────────────────────────────── */
.btn-primary, .btn-ghost, .btn-danger {
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.15s;
  min-height: 40px;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: #0f0f11;
}
.btn-primary:hover { background: var(--accent-2); }
.btn-primary:active { transform: scale(0.97); }

.btn-ghost {
  background: var(--bg-3);
  color: var(--text-2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-4); color: var(--text); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: var(--danger-2); }

/* ─── EXPORT OPTIONS ─────────────────────────────────── */
.export-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.export-btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s;
  min-height: 80px;
  justify-content: center;
}

.export-btn:hover {
  background: var(--bg-4);
  border-color: var(--accent);
  color: var(--accent);
}

.export-icon {
  font-size: 22px;
  font-family: var(--font-display);
  margin-bottom: 2px;
}

.export-btn small {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 400;
}
.export-btn:hover small { color: var(--text-2); }

/* ─── HIDDEN UTILITY ─────────────────────────────────── */
.hidden { display: none !important; }

/* ─── SCROLLBAR (desktop) ───────────────────────────── */
@media (pointer: fine) {
  .notes-main::-webkit-scrollbar { display: block; width: 4px; }
  .notes-main::-webkit-scrollbar-track { background: transparent; }
  .notes-main::-webkit-scrollbar-thumb { background: var(--bg-4); border-radius: 2px; }
}

/* ─── RESPONSIVE ─────────────────────────────────────── */
@media (min-width: 600px) {
  .notes-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
  }
  .app-header { padding-left: 24px; padding-right: 24px; }
  .notes-main { padding-left: 24px; padding-right: 24px; }
}

@media (min-width: 900px) {
  .notes-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

/* ─── REDUCE MOTION ──────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.1ms !important; }
}