/* ═══════════════════════════════════════════
   NOTEFLUX — VOLCANIC GLASS DESIGN SYSTEM
   Palette: #1A1A1A · #333333 · #FF6B2B · #FFB088
   Fonts: Clash Display + Newsreader + Space Mono
═══════════════════════════════════════════ */

:root {
  --bg-base:       #0D0D0D;
  --bg-surface:    #1A1A1A;
  --bg-elevated:   #242424;
  --bg-hover:      #2E2E2E;
  --bg-border:     #333333;
  --bg-input:      #1E1E1E;

  --accent:        #FF6B2B;
  --accent-light:  #FFB088;
  --accent-dim:    rgba(255, 107, 43, 0.15);
  --accent-glow:   rgba(255, 107, 43, 0.3);

  --text-primary:  #F0EDE8;
  --text-secondary:#A09890;
  --text-muted:    #5A5550;
  --text-inverse:  #0D0D0D;

  --danger:        #E05252;
  --danger-dim:    rgba(224, 82, 82, 0.15);
  --success:       #52C97A;

  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     18px;
  --radius-xl:     24px;

  --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 20px 60px rgba(0,0,0,0.7);
  --shadow-accent: 0 8px 32px rgba(255,107,43,0.25);

  --sidebar-w:     260px;
  --topbar-h:      64px;
  --transition:    0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  --font-display:  'Clash Display', sans-serif;
  --font-body:     'Newsreader', serif;
  --font-mono:     'Space Mono', monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ══════════════════════════════════════════
   SCREENS
══════════════════════════════════════════ */
.screen { display: none; min-height: 100vh; }
.screen.active { display: flex; }

/* ══════════════════════════════════════════
   AUTH SCREEN
══════════════════════════════════════════ */
#auth-screen {
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-base);
}

.auth-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.auth-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
}
.orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #FF6B2B, transparent);
  top: -150px; right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #FFB088, transparent);
  bottom: -100px; left: -80px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -30px) scale(1.05); }
}

.auth-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,43,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,43,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

.auth-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  animation: fadeSlideUp 0.6s ease both;
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Brand */
.auth-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-icon { display: flex; align-items: center; }
.brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

/* Auth Card */
.auth-card {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

/* Tabs */
.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--bg-border);
}
.auth-tab {
  flex: 1;
  padding: 16px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: none;
  transition: var(--transition);
  position: relative;
}
.auth-tab::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: var(--transition);
}
.auth-tab.active {
  color: var(--text-primary);
}
.auth-tab.active::after { transform: scaleX(1); }
.auth-tab:hover:not(.active) { color: var(--text-secondary); }

/* Forms */
.auth-form {
  display: none;
  flex-direction: column;
  gap: 20px;
  padding: 28px;
}
.auth-form.active { display: flex; }

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 8px;
}
.label-hint {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: 0;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
  flex-shrink: 0;
}
.input-wrapper input {
  width: 100%;
  padding: 12px 14px 12px 42px;
  background: var(--bg-input);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 15px;
  transition: var(--transition);
  outline: none;
}
.input-wrapper input::placeholder { color: var(--text-muted); }
.input-wrapper input:focus {
  border-color: var(--accent);
  background: var(--bg-elevated);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.toggle-password {
  position: absolute;
  right: 12px;
  color: var(--text-muted);
  padding: 4px;
  transition: var(--transition);
}
.toggle-password:hover { color: var(--text-secondary); }

/* Password Strength */
.password-strength {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.strength-bar {
  flex: 1;
  height: 3px;
  background: var(--bg-border);
  border-radius: 2px;
  overflow: hidden;
}
.strength-fill {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.3s ease, background 0.3s ease;
}
.strength-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  min-width: 40px;
}

/* Errors */
.form-error {
  background: var(--danger-dim);
  border: 1px solid rgba(224,82,82,0.3);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: #F08080;
  animation: shake 0.3s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.hidden { display: none !important; }

/* Buttons */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  background: var(--accent);
  color: var(--text-inverse);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: var(--transition);
}
.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-accent); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-secondary {
  padding: 11px 20px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }

.btn-danger {
  padding: 11px 20px;
  background: var(--danger);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}
.btn-danger:hover { background: #c94444; transform: translateY(-1px); }

/* Loader */
.btn-loader {
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.3);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.auth-footer {
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-align: center;
}

/* ══════════════════════════════════════════
   APP LAYOUT
══════════════════════════════════════════ */
#app-screen {
  flex-direction: row;
  min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--bg-surface);
  border-right: 1px solid var(--bg-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  transition: transform var(--transition-slow);
}

.sidebar-header {
  padding: 20px 20px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--bg-border);
}
.sidebar-close {
  display: none;
  color: var(--text-muted);
  padding: 4px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.sidebar-close:hover { color: var(--text-primary); background: var(--bg-hover); }

.sidebar-nav {
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  width: 100%;
  text-align: left;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent-light);
}
.nav-item svg { flex-shrink: 0; }
.nav-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  background: var(--bg-hover);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: 20px;
}
.nav-item.active .nav-count {
  background: var(--accent-dim);
  color: var(--accent);
}

.sidebar-divider {
  height: 1px;
  background: var(--bg-border);
  margin: 4px 16px;
}

.sidebar-section-title {
  padding: 12px 16px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.color-filters {
  padding: 0 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.color-filter-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
  text-align: left;
}
.color-filter-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.color-filter-btn.active { background: var(--bg-hover); color: var(--text-primary); }
.color-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.1);
}
.color-dot.rainbow {
  background: conic-gradient(#FF6B2B, #FFB088, #52C97A, #7B68EE, #FF6B2B);
}

.sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid var(--bg-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-inverse);
  flex-shrink: 0;
}
.user-details {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.user-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-email {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.btn-logout {
  color: var(--text-muted);
  padding: 8px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-logout:hover { color: var(--danger); background: var(--danger-dim); }

/* ── Main Content ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── Topbar ── */
.topbar {
  height: var(--topbar-h);
  background: rgba(13,13,13,0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bg-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
  gap: 16px;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  color: var(--text-secondary);
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.menu-toggle:hover { color: var(--text-primary); background: var(--bg-hover); }

.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  max-width: 400px;
}
.search-icon {
  position: absolute;
  left: 12px;
  color: var(--text-muted);
  pointer-events: none;
}
#search-input {
  width: 100%;
  padding: 9px 36px 9px 38px;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
#search-input::placeholder { color: var(--text-muted); }
#search-input:focus {
  border-color: var(--accent);
  background: var(--bg-elevated);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.search-clear {
  position: absolute;
  right: 10px;
  color: var(--text-muted);
  padding: 4px;
  border-radius: 4px;
  transition: var(--transition);
}
.search-clear:hover { color: var(--text-primary); }

.view-toggle {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.view-btn {
  padding: 8px 10px;
  color: var(--text-muted);
  transition: var(--transition);
}
.view-btn:hover { color: var(--text-secondary); background: var(--bg-hover); }
.view-btn.active { color: var(--accent); background: var(--accent-dim); }

.btn-new-note {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  background: var(--accent);
  color: var(--text-inverse);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-new-note:hover { transform: translateY(-1px); box-shadow: var(--shadow-accent); }
.btn-new-note:active { transform: translateY(0); }

/* ── Notes Area ── */
.notes-area {
  flex: 1;
  padding: 28px 24px;
  overflow-y: auto;
}

.notes-section { margin-bottom: 32px; }
.notes-section.hidden { display: none; }

.section-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

/* ── Notes Grid ── */
.notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.notes-grid.list-view {
  grid-template-columns: 1fr;
  gap: 8px;
}

/* ── Note Card ── */
.note-card {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: cardIn 0.3s ease both;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.note-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-accent, var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.note-card:hover {
  border-color: rgba(255,107,43,0.3);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.note-card:hover::before { opacity: 1; }

.note-card.pinned {
  border-color: rgba(255,107,43,0.25);
}
.note-card.pinned::before { opacity: 0.6; }

/* Color accent on left edge */
.note-card .card-color-bar {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  border-radius: 3px 0 0 3px;
}

.note-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.note-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
  flex: 1;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.note-pin-badge {
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.8;
}

.note-preview {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  flex: 1;
}

.note-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}
.note-date {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}
.note-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: var(--transition);
}
.note-card:hover .note-actions { opacity: 1; }
.note-action-btn {
  padding: 5px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: var(--transition);
}
.note-action-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.note-action-btn.delete:hover { background: var(--danger-dim); color: var(--danger); }
.note-action-btn.pin:hover { background: var(--accent-dim); color: var(--accent); }

/* List view card */
.notes-grid.list-view .note-card {
  flex-direction: row;
  align-items: center;
  padding: 14px 20px;
  gap: 16px;
  border-radius: var(--radius-md);
}
.notes-grid.list-view .note-card-header { flex: 1; min-width: 0; }
.notes-grid.list-view .note-title { -webkit-line-clamp: 1; }
.notes-grid.list-view .note-preview { display: none; }
.notes-grid.list-view .note-card-footer { flex-shrink: 0; }
.notes-grid.list-view .note-actions { opacity: 1; }

/* ── Empty State ── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 80px 24px;
  text-align: center;
}
.empty-icon {
  color: var(--text-muted);
  opacity: 0.4;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}
.empty-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-secondary);
}
.empty-subtitle {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 280px;
}
.empty-state .btn-primary { margin-top: 8px; }

/* ── Loading State ── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 80px 24px;
  color: var(--text-muted);
  font-size: 14px;
}
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--bg-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ══════════════════════════════════════════
   NOTE MODAL
══════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.note-modal {
  width: 100%;
  max-width: 600px;
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.92) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 0;
}
.modal-title-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  placeholder-color: var(--text-muted);
}
.modal-title-input::placeholder { color: var(--text-muted); }

.modal-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.modal-action-btn {
  padding: 8px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: var(--transition);
}
.modal-action-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.modal-action-btn.pin-btn.active { color: var(--accent); background: var(--accent-dim); }
.modal-action-btn.close-btn:hover { background: var(--danger-dim); color: var(--danger); }

.modal-content-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 16px 20px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  resize: none;
  min-height: 200px;
}
.modal-content-input::placeholder { color: var(--text-muted); }

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--bg-border);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.color-picker-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.color-picker-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.color-swatches {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.swatch {
  width: 24px; height: 24px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}
.swatch:hover { transform: scale(1.2); }
.swatch.active {
  border-color: var(--text-primary);
  transform: scale(1.15);
}
.swatch.active::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.5);
}

.modal-footer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.char-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  margin-right: auto;
}

/* ══════════════════════════════════════════
   CONFIRM MODAL
══════════════════════════════════════════ */
.confirm-modal {
  background: var(--bg-surface);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 360px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.confirm-icon {
  width: 56px; height: 56px;
  background: var(--danger-dim);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.confirm-modal h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}
.confirm-modal p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.confirm-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  width: 100%;
}
.confirm-actions button { flex: 1; }

/* ══════════════════════════════════════════
   TOAST
══════════════════════════════════════════ */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg-elevated);
  border: 1px solid var(--bg-border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--text-primary);
  box-shadow: var(--shadow-md);
  z-index: 999;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
  white-space: nowrap;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}
.toast.success { border-color: rgba(82,201,122,0.4); }
.toast.error   { border-color: rgba(224,82,82,0.4); }
.toast-icon { font-size: 16px; }

/* ══════════════════════════════════════════
   SIDEBAR OVERLAY (mobile)
══════════════════════════════════════════ */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99;
  backdrop-filter: blur(2px);
}

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .sidebar-close { display: flex; }
  .main-content { margin-left: 0; }
  .menu-toggle { display: flex; }
  .topbar { padding: 0 16px; }
  .notes-area { padding: 20px 16px; }
  .btn-new-note span { display: none; }
  .btn-new-note { padding: 9px 12px; }
  .notes-grid { grid-template-columns: 1fr; }
  .view-toggle { display: none; }
}

@media (max-width: 480px) {
  .auth-container { padding: 16px; }
  .auth-form { padding: 20px; }
  .note-modal { border-radius: var(--radius-lg); }
  .modal-footer { flex-direction: column; }
  .modal-footer-actions { flex-wrap: wrap; }
}