/* ==========================================================================
   HANSSPACE OS - COMPLETE MONOCHROME STYLESHEET
   Aesthetic Monochrome AMOLED Workspace (id.hanssites.hansspace)
   ========================================================================== */

:root {
  /* Color Tokens - Strictly Monochrome AMOLED */
  --bg-pure: #000000;
  --bg-surface: #0c0c0c;
  --bg-card: #121212;
  --bg-card-hover: #1c1c1c;
  --bg-input: #111111;
  --bg-overlay: rgba(0, 0, 0, 0.88);
  
  --border-ultra-subtle: #1a1a1a;
  --border-subtle: #242424;
  --border-medium: #3a3a3a;
  --border-active: #ffffff;

  --text-primary: #ffffff;
  --text-secondary: #888888;
  --text-tertiary: #555555;
  --text-inverse: #000000;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", Menlo, Courier, monospace;
  --font-serif: "Georgia", "Cambria", "Times New Roman", serif;

  /* Spacing & Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Capacitor Safe Areas */
  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);

  /* OS color scheme */
  color-scheme: dark;
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-pure);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  touch-action: manipulation;
}

/* Allow text selection in readable elements */
input, textarea, [contenteditable="true"], .selectable {
  user-select: text;
  -webkit-user-select: text;
}

/* System Container */
#os-root {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  position: relative;
  background-color: var(--bg-pure);
  overflow: hidden;
  padding-top: var(--sat);
  padding-bottom: var(--sab);
  padding-left: var(--sal);
  padding-right: var(--sar);
}

/* System Top Bar (Mini OS Status Header) */
.os-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 38px;
  min-height: 38px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-ultra-subtle);
  background-color: var(--bg-pure);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 100;
}

.os-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--text-primary);
}

.os-brand-dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-primary);
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
}

.os-meta-stats {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--text-secondary);
}

.os-btn-sysinfo {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  cursor: pointer;
  padding: 2px 4px;
}
.os-btn-sysinfo:hover, .os-btn-sysinfo:active {
  color: var(--text-primary);
}

/* Viewport / View Deck */
.os-viewport {
  flex: 1;
  position: relative;
  width: 100%;
  height: calc(100% - 38px);
  overflow: hidden;
}

/* View screens (Launcher and Applets) */
.view-screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-pure);
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.98);
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.view-screen.active {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
  z-index: 10;
}

/* Universal Applet Header */
.applet-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  min-height: 52px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  z-index: 20;
}

.applet-header-left, .applet-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.applet-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Standard Monochrome Button */
.btn-mono {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  background-color: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-mono:active {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  transform: scale(0.97);
}

.btn-mono.primary {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
  font-weight: 600;
}

.btn-mono.primary:active {
  background-color: transparent;
  color: var(--text-primary);
}

.btn-mono.icon-only {
  width: 34px;
  padding: 0;
}

.btn-back {
  font-weight: 600;
}

/* Universal Applet Content Wrapper */
.applet-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  padding: 16px;
  -webkit-overflow-scrolling: touch;
}

/* Monochrome Input Elements */
.mono-input, .mono-textarea, .mono-select {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s ease;
}

.mono-input:focus, .mono-textarea:focus, .mono-select:focus {
  border-color: var(--border-active);
}

.mono-input::placeholder, .mono-textarea::placeholder {
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Modal Overlay */
.mono-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: var(--bg-overlay);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.mono-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.mono-modal {
  width: 100%;
  max-width: 440px;
  max-height: 85vh;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.9);
}

.mono-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mono-modal-body {
  padding: 16px;
  overflow-y: auto;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.mono-modal-body h4 {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  margin: 12px 0 6px 0;
}

.mono-modal-body p {
  margin-bottom: 8px;
}

.mono-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-card);
}

/* Toast Notification */
#os-toast {
  position: fixed;
  bottom: calc(var(--sab) + 20px);
  left: 50%;
  transform: translateX(-50%) translateY(40px);
  background-color: var(--text-primary);
  color: var(--text-inverse);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.8);
}

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

.icon-svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 1.75;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  display: inline-block;
  vertical-align: middle;
}

/* ==========================================================================
   LAUNCHER / DASHBOARD
   ========================================================================== */

#screen-launcher {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow-y: auto;
  padding: 24px 20px calc(var(--sab) + 24px) 20px;
}

.launcher-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px 0 32px 0;
  border-bottom: 1px solid var(--border-ultra-subtle);
}

.launcher-clock {
  font-family: var(--font-mono);
  font-size: 54px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 10px;
}

.launcher-clock-seconds {
  font-size: 26px;
  color: var(--text-tertiary);
  font-weight: 400;
}

.launcher-date {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.launcher-quote {
  margin-top: 14px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.launcher-sysbar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 16px 0 24px 0;
}

.sysbar-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  text-align: center;
}

.sysbar-label {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: 3px;
}

.sysbar-value {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
}

.launcher-section-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.launcher-section-title::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: var(--border-ultra-subtle);
  margin-left: 12px;
}

.launcher-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (min-width: 480px) {
  .launcher-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.applet-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  min-height: 110px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.15s ease;
}

.applet-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: transparent;
  transition: background-color 0.15s ease;
}

.applet-card:active {
  background-color: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.applet-card:active::before {
  background-color: var(--text-primary);
}

.applet-card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.applet-card-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 2px;
}

.applet-card-desc {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.applet-card-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-tertiary);
  border: 1px solid var(--border-ultra-subtle);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
}

.launcher-quickpad {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 24px;
}

.quickpad-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.quickpad-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}

.quickpad-textarea {
  width: 100%;
  height: 75px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-ultra-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px;
  resize: none;
  outline: none;
}

.quickpad-textarea:focus {
  border-color: var(--border-medium);
}

.launcher-footer {
  margin-top: auto;
  text-align: center;
  padding: 16px 0;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  letter-spacing: 0.08em;
}

/* ==========================================================================
   CALCULATOR
   ========================================================================== */

#screen-calc .applet-body {
  display: flex;
  flex-direction: column;
  padding: 12px;
  height: calc(100% - 52px);
  overflow: hidden;
}

.calc-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 420px;
  width: 100%;
  margin: 0 auto;
}

.calc-display {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: flex-end;
  min-height: 120px;
  margin-bottom: 14px;
  position: relative;
}

.calc-history-exp {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-secondary);
  min-height: 20px;
  word-break: break-all;
  margin-bottom: 6px;
  letter-spacing: 0.05em;
}

.calc-current-val {
  font-family: var(--font-mono);
  font-size: 38px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  word-break: break-all;
  letter-spacing: -0.02em;
  max-width: 100%;
  overflow-x: auto;
}

.calc-copy-btn {
  position: absolute;
  top: 10px;
  left: 10px;
  background: none;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  cursor: pointer;
  text-transform: uppercase;
}

.calc-copy-btn:active {
  color: var(--text-primary);
  border-color: var(--text-primary);
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  flex: 1;
}

.calc-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.1s ease;
  user-select: none;
  min-height: 52px;
}

.calc-btn:active {
  background-color: var(--bg-card-hover);
  border-color: var(--border-medium);
  transform: scale(0.97);
}

.calc-btn.op {
  background-color: var(--bg-surface);
  border-color: var(--border-medium);
  color: var(--text-secondary);
  font-size: 18px;
}

.calc-btn.op:active {
  color: var(--text-primary);
  background-color: var(--bg-card-hover);
}

.calc-btn.special {
  color: var(--text-secondary);
  font-size: 15px;
}

.calc-btn.equal {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
  font-weight: 700;
  font-size: 22px;
}

.calc-btn.equal:active {
  background-color: transparent;
  color: var(--text-primary);
}

.calc-history-drawer {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-top: 10px;
  max-height: 120px;
  overflow-y: auto;
  padding: 8px 12px;
  display: none;
}

.calc-history-drawer.open {
  display: block;
}

.calc-history-item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-ultra-subtle);
  font-family: var(--font-mono);
  font-size: 11px;
}

.calc-history-item:last-child {
  border-bottom: none;
}

.calc-history-item .hist-exp {
  color: var(--text-secondary);
}

.calc-history-item .hist-ans {
  color: var(--text-primary);
  font-weight: 700;
  cursor: pointer;
}

/* ==========================================================================
   NOTES
   ========================================================================== */

#screen-notes .applet-body {
  padding: 14px;
}

.notes-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.notes-search-wrapper {
  position: relative;
  flex: 1;
}

.notes-search-input {
  width: 100%;
  height: 38px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 0 12px 0 34px;
  outline: none;
}

.notes-search-input:focus {
  border-color: var(--border-medium);
}

.notes-search-icon {
  position: absolute;
  top: 11px;
  left: 10px;
  color: var(--text-tertiary);
  pointer-events: none;
}

.notes-filter-pills {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 10px;
  margin-bottom: 12px;
  scrollbar-width: none;
}
.notes-filter-pills::-webkit-scrollbar {
  display: none;
}

.pill-filter {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.pill-filter.active, .pill-filter:active {
  background-color: var(--text-primary);
  color: var(--text-inverse);
  border-color: var(--text-primary);
  font-weight: 700;
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.note-item-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all 0.15s ease;
  position: relative;
}

.note-item-card:active {
  background-color: var(--bg-card-hover);
  border-color: var(--border-medium);
}

.note-item-card.pinned {
  border-left: 3px solid var(--text-primary);
}

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

.note-card-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.note-pin-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 1px 4px;
  border-radius: var(--radius-sm);
  margin-left: 6px;
}

.note-card-preview {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.note-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
}

.note-card-tag {
  border: 1px solid var(--border-subtle);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.notes-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}

.notes-empty-icon {
  font-size: 32px;
  margin-bottom: 10px;
  opacity: 0.5;
}

.notes-empty-text {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.note-editor-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-pure);
  display: flex;
  flex-direction: column;
  z-index: 50;
  transform: translateX(100%);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.note-editor-wrapper.open {
  transform: translateX(0);
}

.editor-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
  min-height: 52px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
}

.editor-form {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.editor-title-input {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 8px 0;
  outline: none;
  margin-bottom: 12px;
}

.editor-title-input:focus {
  border-bottom-color: var(--border-active);
}

.editor-meta-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.editor-tag-select {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 4px 8px;
  outline: none;
  text-transform: uppercase;
}

.editor-pin-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.editor-pin-toggle input[type="checkbox"] {
  accent-color: var(--text-primary);
}

.editor-body-textarea {
  flex: 1;
  width: 100%;
  min-height: 250px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  outline: none;
  resize: none;
}

.editor-footer-stats {
  display: flex;
  justify-content: space-between;
  padding: 8px 16px;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  background-color: var(--bg-card);
}

/* ==========================================================================
   READER
   ========================================================================== */

#screen-reader .applet-body {
  padding: 0;
  display: flex;
  flex-direction: column;
  height: calc(100% - 52px);
  overflow: hidden;
}

.reader-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.reader-library-view {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.reader-import-box {
  background-color: var(--bg-card);
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 20px;
  transition: all 0.15s ease;
}

.reader-import-box:active {
  background-color: var(--bg-card-hover);
  border-color: var(--text-primary);
}

.reader-import-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
  text-transform: uppercase;
}

.reader-import-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}

.reader-books-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reader-book-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.reader-book-card:active {
  background-color: var(--bg-card-hover);
  border-color: var(--border-medium);
}

.reader-book-meta {
  flex: 1;
  min-width: 0;
}

.reader-book-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}

.reader-book-info {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.reader-reading-view {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--bg-pure);
  display: flex;
  flex-direction: column;
  z-index: 40;
  transform: translateX(100%);
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.reader-reading-view.open {
  transform: translateX(0);
}

.reader-progress-track {
  width: 100%;
  height: 2px;
  background-color: var(--border-ultra-subtle);
  position: relative;
}

.reader-progress-fill {
  height: 100%;
  width: 0%;
  background-color: var(--text-primary);
  transition: width 0.1s ease;
}

.reader-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 11px;
}

.reader-ctrl-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.reader-ctrl-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
}

.reader-ctrl-btn:active {
  background-color: var(--text-primary);
  color: var(--text-inverse);
}

.reader-progress-label {
  color: var(--text-secondary);
  font-weight: 600;
}

.reader-content-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 24px 20px 80px 20px;
  -webkit-overflow-scrolling: touch;
}

.reader-article {
  max-width: 680px;
  margin: 0 auto;
  color: var(--text-primary);
  transition: font-size 0.15s ease, line-height 0.15s ease;
}

.reader-article.font-sans { font-family: var(--font-sans); }
.reader-article.font-mono { font-family: var(--font-mono); }
.reader-article.font-serif { font-family: var(--font-serif); }

.reader-article.size-sm { font-size: 13px; }
.reader-article.size-md { font-size: 16px; }
.reader-article.size-lg { font-size: 19px; }
.reader-article.size-xl { font-size: 23px; }

.reader-article.lead-tight { line-height: 1.4; }
.reader-article.lead-normal { line-height: 1.7; }
.reader-article.lead-loose { line-height: 2.0; }

.reader-article.align-left { text-align: left; }
.reader-article.align-justify { text-align: justify; }

.reader-article h1, .reader-article h2, .reader-article h3 {
  font-family: var(--font-mono);
  margin-top: 1.6em;
  margin-bottom: 0.6em;
  color: var(--text-primary);
  font-weight: 700;
}

.reader-article h1 { font-size: 1.4em; }
.reader-article h2 { font-size: 1.2em; }
.reader-article h3 { font-size: 1.1em; }

.reader-article p {
  margin-bottom: 1.2em;
}

.reader-article blockquote {
  border-left: 2px solid var(--text-secondary);
  padding-left: 12px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.reader-article pre, .reader-article code {
  font-family: var(--font-mono);
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 2px 4px;
}

.reader-article pre {
  padding: 12px;
  overflow-x: auto;
  margin: 14px 0;
}

/* ==========================================================================
   GALLERY (100% GRAYSCALE MONOCHROME)
   ========================================================================== */

#screen-gallery .applet-body {
  padding: 14px;
}

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

.gallery-count-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

@media (min-width: 480px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-item {
  position: relative;
  aspect-ratio: 1 / 1;
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.gallery-item:active {
  border-color: var(--border-active);
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(110%);
  -webkit-filter: grayscale(100%) contrast(110%);
  transition: transform 0.2s ease;
}

.gallery-item:active .gallery-img {
  transform: scale(1.04);
}

.gallery-item-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  padding: 12px 6px 4px 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gallery-lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 600;
  display: flex;
  flex-direction: column;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.gallery-lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(var(--sat) + 8px) 16px 8px 16px;
  border-bottom: 1px solid var(--border-ultra-subtle);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
}

.lightbox-body {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  position: relative;
  overflow: hidden;
}

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  filter: grayscale(100%) contrast(112%);
  -webkit-filter: grayscale(100%) contrast(112%);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
}

.lightbox-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px calc(var(--sab) + 12px) 16px;
  border-top: 1px solid var(--border-ultra-subtle);
  background-color: var(--bg-pure);
  font-family: var(--font-mono);
  font-size: 11px;
}

.lightbox-meta {
  color: var(--text-secondary);
}

.lightbox-actions {
  display: flex;
  gap: 8px;
}