/* ═══════════════════════════════════════════════
   LUCIENNE — phosphor green hologram terminal
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@500;600;700;900&display=swap');

:root {
  --bg: #0a0a0a;
  --bg-panel: rgba(0, 20, 5, 0.55);
  --bg-panel-solid: #0d130f;
  --green: #00ff41;
  --green-bright: #7fff7f;
  --green-dim: #1a4a2a;
  --green-faint: rgba(0, 255, 65, 0.06);
  --green-glow: rgba(0, 255, 65, 0.4);
  --border: var(--green-dim);
  --border-bright: rgba(0, 255, 65, 0.6);
  --text: #00ff41;
  --text-dim: #4c9a63;
  --muted: #2f6b40;
  --red: #ff3344;
  --mono: 'Share Tech Mono', 'Courier New', monospace;
  --display: 'Orbitron', sans-serif;
  --glow-sm: 0 0 4px var(--green-glow);
  --glow-md: 0 0 8px var(--green-glow), 0 0 16px rgba(0, 255, 65, 0.15);
  --glow-lg: 0 0 12px var(--green-glow), 0 0 24px rgba(0, 255, 65, 0.2), 0 0 48px rgba(0, 255, 65, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  text-shadow: var(--glow-sm);
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
  background: transparent;
  border-radius: 0;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 1px solid var(--green-bright);
  outline-offset: 2px;
}

/* ─── CRT scanlines overlay ─── */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.03;
  background: repeating-linear-gradient(
    to bottom,
    #fff 0,
    #fff 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

/* ─── App shell / grid background ─── */
.app-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100vh;
  background-image: linear-gradient(rgba(0, 255, 65, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 65, 0.035) 1px, transparent 1px),
    radial-gradient(ellipse at 50% -10%, rgba(0, 90, 30, 0.28), transparent 55%);
  background-size: 32px 32px, 32px 32px, auto;
}

/* ─── Topbar ─── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 22px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(0, 30, 8, 0.55), transparent);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-mark {
  color: var(--green-bright);
  font-size: 18px;
  text-shadow: var(--glow-md);
}

.brand h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  text-shadow: var(--glow-lg);
}

.brand-sub {
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.fab {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: var(--green);
  font-family: var(--display);
  font-size: 22px;
  line-height: 1;
  background: var(--green-faint);
  border: 1px solid var(--green);
  box-shadow: 0 0 10px rgba(0, 255, 65, 0.15), inset 0 0 8px rgba(0, 255, 65, 0.08);
  transition: box-shadow 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.fab:hover {
  color: var(--green-bright);
  background: rgba(0, 255, 65, 0.14);
  box-shadow: 0 0 18px rgba(0, 255, 65, 0.35), inset 0 0 12px rgba(0, 255, 65, 0.15);
}

/* ─── Layout: left nav / middle / right ─── */
.layout {
  display: grid;
  grid-template-columns: 220px 1.6fr 1fr;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.panel {
  position: relative;
  min-width: 0;
  overflow-y: auto;
  border-right: 1px solid var(--border);
}

.panel:last-child {
  border-right: 0;
}

/* Corner brackets on the middle + right panels */
.panel-middle::before,
.panel-middle::after,
.panel-right::before,
.panel-right::after {
  position: absolute;
  z-index: 1;
  width: 14px;
  height: 14px;
  content: '';
  border: 2px solid var(--green);
  opacity: 0.5;
  pointer-events: none;
}

.panel-middle::before,
.panel-right::before {
  top: 6px;
  left: 6px;
  border-right: none;
  border-bottom: none;
}

.panel-middle::after,
.panel-right::after {
  top: 6px;
  right: 6px;
  border-left: none;
  border-bottom: none;
}

.panel-left {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 12px;
  background: linear-gradient(180deg, rgba(0, 20, 6, 0.5), transparent);
}

.nav-btn {
  display: flex;
  align-items: center;
  min-height: 46px;
  padding: 0 14px;
  color: var(--text-dim);
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-align: left;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--border);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.nav-btn:hover {
  color: var(--green);
  background: var(--green-faint);
  border-color: var(--border-bright);
}

.nav-btn.is-active {
  color: var(--bg);
  background: var(--green);
  border-color: var(--green);
  text-shadow: none;
  box-shadow: var(--glow-md);
}

.panel-middle,
.panel-right {
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
}

.panel-header {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  margin: 0;
  color: var(--green);
  font-family: var(--display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-shadow: var(--glow-sm);
}

.panel-content {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

.placeholder {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.03em;
}

/* ─── Statusbar ─── */
.statusbar {
  display: flex;
  justify-content: space-between;
  min-height: 26px;
  padding: 0 14px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  border-top: 1px solid var(--border);
}

/* ─── Modal ─── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.72);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  position: relative;
  width: 90%;
  max-width: 480px;
  background: linear-gradient(180deg, #0d1a10, #060b07);
  border: 1px solid var(--border-bright);
  box-shadow: var(--glow-lg);
}

.modal::before,
.modal::after {
  position: absolute;
  width: 14px;
  height: 14px;
  content: '';
  border: 2px solid var(--green);
}

.modal::before {
  top: -2px;
  left: -2px;
  border-right: none;
  border-bottom: none;
}

.modal::after {
  bottom: -2px;
  right: -2px;
  border-left: none;
  border-top: none;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  margin: 0;
  color: var(--green);
  font-family: var(--display);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-shadow: var(--glow-sm);
}

.modal-close {
  color: var(--text-dim);
  font-size: 20px;
  line-height: 1;
  border: 0;
}

.modal-close:hover {
  color: var(--green-bright);
}

.modal-body {
  padding: 20px;
}

.modal-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

/* ─── Buttons ─── */
.btn {
  min-height: 38px;
  padding: 8px 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
}

.btn-dim {
  color: var(--text-dim);
  background: transparent;
}

.btn-dim:hover {
  color: var(--green);
  background: var(--green-faint);
  border-color: var(--border-bright);
}

.btn-primary {
  color: var(--green);
  background: var(--green-faint);
  border-color: var(--green);
  box-shadow: inset 0 0 8px rgba(0, 255, 65, 0.1);
}

.btn-primary:hover {
  color: var(--green-bright);
  background: rgba(0, 255, 65, 0.16);
}

/* ─── Panel header extras (month nav, add-in-panel button) ─── */
.panel-header {
  justify-content: space-between;
}

.panel-header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.month-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.month-nav-btn {
  min-height: 26px;
  padding: 2px 10px;
  font-family: var(--display);
  font-size: 11px;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.month-nav-btn:hover {
  color: var(--green);
  background: var(--green-faint);
  border-color: var(--border-bright);
}

.month-label {
  min-width: 118px;
  color: var(--green);
  font-family: var(--display);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-align: center;
  text-shadow: var(--glow-sm);
}

.btn-today {
  min-height: 26px;
  padding: 2px 10px;
  font-size: 10px;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.btn-today:hover {
  color: var(--green);
  border-color: var(--border-bright);
}

/* ─── Month calendar grid ─── */
.calendar {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.calendar-weekdays {
  padding: 20px 20px 0;
  color: var(--text-dim);
  font-family: var(--display);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-align: center;
}

.calendar-weekdays span {
  padding-bottom: 6px;
}

.calendar-grid {
  flex: 1;
  grid-auto-rows: 1fr;
  gap: 4px;
  padding: 8px 20px 20px;
}

.calendar-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 76px;
  padding: 4px 6px;
  overflow: hidden;
  text-align: left;
  cursor: pointer;
  background: rgba(0, 255, 65, 0.02);
  border: 1px solid var(--border);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.calendar-cell:hover {
  background: var(--green-faint);
  border-color: var(--border-bright);
}

.calendar-cell.is-outside {
  opacity: 0.35;
}

.calendar-cell.is-today {
  background: rgba(0, 255, 65, 0.1);
  border-color: var(--green);
  box-shadow: inset 0 0 10px rgba(0, 255, 65, 0.15);
}

.calendar-cell-num {
  align-self: flex-end;
  font-family: var(--display);
  font-size: 11px;
  color: var(--text-dim);
}

.calendar-cell.is-today .calendar-cell-num {
  color: var(--green-bright);
  text-shadow: var(--glow-sm);
}

.calendar-cell-events {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 2px;
  overflow: hidden;
}

.event-block {
  overflow: hidden;
  padding: 1px 4px;
  color: var(--bg);
  font-size: 10px;
  white-space: nowrap;
  text-overflow: ellipsis;
  text-shadow: none;
  background: var(--green);
  border-left: 2px solid var(--green-bright);
}

.event-block:hover {
  background: var(--green-bright);
}

.event-block.is-task {
  color: var(--green);
  background: transparent;
  border: 1px dashed var(--border-bright);
}

.event-block.is-sub {
  color: var(--bg);
  background: var(--text-dim);
  border-left: 2px solid var(--green-bright);
}

.calendar-cell-more {
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.04em;
}

/* Subtle "task due" indicator — a single glowing dot, not a blocking chip. */
.calendar-cell-taskdot {
  position: absolute;
  top: 3px;
  left: 6px;
  color: var(--green-bright);
  font-size: 20px;
  line-height: 1;
  text-shadow: var(--glow-sm);
  pointer-events: none;
}

/* ─── Right-panel item list ─── */
.item-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.list-section-title {
  margin: 18px 0 4px;
  color: var(--text-dim);
  font-family: var(--display);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.list-section-title:first-child {
  margin-top: 0;
}

.item-card {
  position: relative;
  padding: 10px 12px;
  background: rgba(0, 255, 65, 0.03);
  border: 1px solid var(--border);
  transition: border-color 0.15s ease, background 0.15s ease;
}

.item-card:hover {
  background: var(--green-faint);
  border-color: var(--border-bright);
}

.item-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.item-card-date {
  color: var(--green-bright);
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.item-card-title {
  margin: 4px 0 2px;
  color: var(--green);
  font-size: 13px;
  font-weight: 600;
}

.item-card-meta {
  color: var(--text-dim);
  font-size: 11px;
}

.item-card-notes {
  margin-top: 4px;
  color: var(--muted);
  font-size: 11px;
}

.item-card-tag {
  padding: 1px 6px;
  color: var(--text-dim);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
}

.item-card-actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.icon-btn {
  min-height: 26px;
  padding: 2px 10px;
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
}

.icon-btn:hover {
  color: var(--green);
  border-color: var(--border-bright);
}

.icon-btn.is-danger:hover {
  color: var(--red);
  border-color: var(--red);
}

.empty-state {
  padding: 24px 4px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

.empty-state .btn {
  margin-top: 10px;
}

/* ─── Task sections + strikethrough card ─── */
.task-section + .task-section {
  margin-top: 20px;
}

.task-card {
  padding: 10px 12px;
}

.task-card-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.task-checkbox {
  width: 15px;
  height: 15px;
  margin-top: 3px;
  accent-color: var(--green);
  cursor: pointer;
}

.task-card-body {
  flex: 1;
  min-width: 0;
}

.task-card.is-complete {
  background: rgba(0, 0, 0, 0.4);
  border-color: var(--green-dim);
  opacity: 0.6;
}

.task-card.is-complete:hover {
  background: rgba(0, 0, 0, 0.5);
  border-color: var(--green-dim);
}

.task-title.is-struck {
  color: var(--text-dim);
  text-decoration: line-through;
  text-decoration-color: var(--text-dim);
  text-decoration-thickness: 1.5px;
  transition: color 0.2s ease;
}

/* ─── Modal: chooser / form / date-popup variants ─── */
.modal-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.date-popup-heading {
  margin: 0 0 14px;
  color: var(--text-dim);
  font-family: var(--display);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-align: center;
}

.date-popup-actions {
  display: flex;
  gap: 10px;
}

.date-popup-actions .btn {
  flex: 1;
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-row {
  display: flex;
  gap: 14px;
}

.form-row .form-field {
  flex: 1;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  color: var(--text-dim);
  font-family: var(--display);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.form-field input[type='text'],
.form-field input[type='date'],
.form-field input[type='time'],
.form-field input[type='number'],
.form-field select,
.form-field textarea {
  padding: 8px 10px;
  color: var(--green);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--border-bright);
  outline: none;
}

.form-field textarea {
  min-height: 64px;
  resize: vertical;
  font-family: var(--mono);
}

.form-checkbox {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}

.form-checkbox input[type='checkbox'] {
  width: 15px;
  height: 15px;
  accent-color: var(--green);
  cursor: pointer;
}

.form-checkbox label {
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: normal;
  text-transform: none;
}

.form-error {
  padding: 8px 10px;
  color: var(--red);
  font-size: 11px;
  background: rgba(255, 51, 68, 0.08);
  border: 1px solid var(--red);
}

.form-error[hidden] {
  display: none;
}

.form-hint {
  color: var(--muted);
  font-size: 10px;
}

.toast {
  position: fixed;
  bottom: 40px;
  left: 50%;
  z-index: 300;
  padding: 10px 18px;
  color: var(--green);
  font-size: 12px;
  background: #0d1a10;
  border: 1px solid var(--border-bright);
  box-shadow: var(--glow-md);
  transform: translateX(-50%);
}

.toast.is-error {
  color: var(--red);
  border-color: var(--red);
}

/* ─── Responsive fallback (desktop-first per spec) ─── */
@media (max-width: 980px) {
  .layout {
    grid-template-columns: 180px 1fr;
  }

  .panel-right {
    display: none;
  }
}