:root {
  --paper: #F2F5F7;
  --paper-raised: #FFFFFF;
  --ink: #1B2430;
  --ink-soft: #5B6472;
  --line: #DCE3E8;
  --accent: #FF6A3D;
  --accent-soft: #FFE4D8;
  --done: #2E7D6B;
  --done-soft: #DCEEE9;
  --radius: 14px;

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  background-image:
    radial-gradient(circle at 1px 1px, rgba(27,36,48,0.06) 1px, transparent 0);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: var(--font-body);
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

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

.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 24px 12px;
}

/* ---------- Topbar ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 20px;
  transform: rotate(0deg);
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 22px;
  margin: 0;
  letter-spacing: -0.01em;
}

.brand-text p {
  margin: 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}

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

.month-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  min-width: 150px;
  text-align: center;
}

.nav-btn, .today-btn {
  border: 1px solid var(--line);
  background: var(--paper-raised);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 14px;
  color: var(--ink);
}

.nav-btn:hover, .today-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Layout ---------- */

.layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
  align-items: start;
}

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

/* ---------- Calendar ---------- */

.calendar-pane {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.weekday-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  padding: 0 4px 8px;
}

.weekday-row span { text-align: center; }

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.day-cell {
  position: relative;
  min-height: 84px;
  border-radius: 10px;
  border: 1px solid transparent;
  padding: 8px;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
}

.day-cell.outside { opacity: 0.35; }

.day-cell.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.day-cell.today .day-num {
  background: var(--ink);
  color: white;
  border-radius: 50%;
}

.day-num {
  font-family: var(--font-mono);
  font-size: 13px;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.day-cell button.day-cell-btn {
  all: unset;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  height: 100%;
}

.day-pins {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: auto;
}

.pin-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ink-soft);
}

.pin-dot.has-location { background: var(--accent); }
.pin-dot.done { background: var(--done); opacity: 0.5; }

/* ---------- Agenda ---------- */

.agenda-pane {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-height: 400px;
}

.agenda-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
  gap: 10px;
}

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

.agenda-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin: 0 0 4px;
}

.agenda-header h2 {
  font-family: var(--font-display);
  font-size: 19px;
  margin: 0;
}

.add-btn {
  border: none;
  background: var(--ink);
  color: white;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.add-btn:hover { background: var(--accent); }

.agenda-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.agenda-empty {
  color: var(--ink-soft);
  font-size: 13.5px;
  text-align: center;
  padding: 24px 0;
}

.agenda-item {
  position: relative;
  display: flex;
  gap: 12px;
  padding: 12px 4px 18px 4px;
  border-left: 2px solid var(--line);
  margin-left: 10px;
  padding-left: 20px;
}

.agenda-item:last-child { border-left-color: transparent; }

.agenda-item::before {
  content: attr(data-index);
  position: absolute;
  left: -13px;
  top: 12px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--paper-raised);
  border: 2px solid var(--ink-soft);
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.agenda-item.done::before {
  border-color: var(--done);
  color: var(--done);
  content: "✓";
}

.agenda-item.has-location::before {
  border-color: var(--accent);
  color: var(--accent);
}

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

.agenda-date-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1px;
}

.agenda-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.agenda-title {
  font-weight: 600;
  font-size: 14.5px;
  margin: 2px 0;
  cursor: pointer;
}

.agenda-item.done .agenda-title {
  text-decoration: line-through;
  color: var(--ink-soft);
}

.agenda-notes {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 6px;
}

.agenda-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.map-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-family: var(--font-mono);
  text-decoration: none;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
}

.map-link:hover { border-color: var(--accent); color: var(--accent); }

.agenda-toggle {
  border: 1px solid var(--line);
  background: var(--paper-raised);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--ink-soft);
  flex-shrink: 0;
}

.agenda-toggle:hover { border-color: var(--done); color: var(--done); }

.storage-note {
  text-align: center;
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 20px;
}

.storage-note-link {
  color: var(--accent);
  text-decoration: none;
}

.storage-note-link:hover { text-decoration: underline; }

/* ---------- Modal ---------- */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(27, 36, 48, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}

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

.modal {
  background: var(--paper-raised);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
}

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

.modal-header h3 {
  font-family: var(--font-display);
  margin: 0;
  font-size: 18px;
}

.icon-btn {
  border: none;
  background: transparent;
  font-size: 20px;
  color: var(--ink-soft);
  line-height: 1;
}

.icon-btn:hover { color: var(--accent); }

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-bottom: 12px;
}

.field-row {
  display: flex;
  gap: 12px;
}

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

.field input, .field textarea {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--paper);
  resize: vertical;
}

.field input:focus, .field textarea:focus {
  border-color: var(--accent);
}

.field-toggle {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--ink-soft);
  cursor: pointer;
  margin-bottom: 10px;
  user-select: none;
}

.field-toggle input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
}

.field-hint {
  font-size: 11.5px;
  color: var(--ink-soft);
  margin: -8px 0 12px;
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 8px;
}

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

.primary-btn {
  border: none;
  background: var(--accent);
  color: white;
  border-radius: 999px;
  padding: 9px 16px;
  font-weight: 500;
  font-size: 13.5px;
}

.ghost-btn {
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.ghost-btn.sm {
  padding: 5px 11px;
  font-size: 12.5px;
}

.danger-btn {
  border: none;
  background: transparent;
  color: #C24A2F;
  font-size: 13px;
  text-decoration: underline;
}

.hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- Auth pages (login, dashboard) ---------- */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px 32px;
  width: 100%;
  max-width: 480px;
}

.auth-heading {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 8px;
}

.auth-sub {
  font-size: 13.5px;
  color: var(--ink-soft);
  margin: 0 0 20px;
  line-height: 1.5;
}

.auth-upload-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin: -4px 0 14px;
}

.auth-or {
  font-size: 12px;
  color: var(--ink-soft);
  font-family: var(--font-mono);
}

.auth-error {
  background: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FECACA;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 14px;
}

.auth-submit {
  width: 100%;
  padding: 11px;
  font-size: 14px;
}

.auth-hint {
  font-size: 11.5px;
  color: var(--ink-soft);
  text-align: center;
  margin: 16px 0 0;
}

.auth-hint code {
  font-family: var(--font-mono);
  background: var(--paper);
  padding: 1px 4px;
  border-radius: 4px;
}

/* ---------- Dashboard ---------- */

.dash-card {
  max-width: 520px;
}

.dash-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.dash-loading {
  font-size: 13.5px;
  color: var(--ink-soft);
  text-align: center;
  padding: 20px 0;
  font-family: var(--font-mono);
}

.dash-empty {
  font-size: 13.5px;
  color: var(--ink-soft);
  text-align: center;
  padding: 20px 0;
  line-height: 1.5;
}

.sheet-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sheet-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-family: var(--font-body);
  text-align: left;
  gap: 12px;
}

.sheet-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.sheet-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.sheet-btn-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sheet-btn-arrow {
  color: var(--ink-soft);
  font-size: 16px;
  flex-shrink: 0;
}

.dash-enable-link {
  display: block;
  margin-top: 8px;
  font-weight: 600;
  color: #991B1B;
  font-size: 13px;
}