:root {
  --color-black: #000000;
  --color-tan: #86745c;
  --color-light-tan: #c2baab;
  --color-dark-tan: #6a5c48;
  --color-white: #ffffff;
  --color-black-63: rgba(0, 0, 0, 0.63);
  --color-black-80: rgba(0, 0, 0, 0.8);
  --color-black-88: rgba(0, 0, 0, 0.88);
  --color-gold: #b19977;
  --color-accent: #b19977;
  --color-accent-light: #c2baab;

  --font-serif: "Newsreader", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --radius: 6px;
  --border-hairline: 1px solid var(--color-light-tan);
  --shadow-soft: 0 2px 10px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-white);
  color: var(--color-black-88);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

button {
  font-family: inherit;
  cursor: pointer;
}

textarea, input, select {
  font-family: inherit;
}

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

/* ---------- Top bar ---------- */

.topbar {
  background: var(--color-black);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-black);
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-name {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: 20px;
  letter-spacing: 0.2px;
}

.view-switch {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.06);
  padding: 3px;
  border-radius: 999px;
}

.view-tab {
  background: transparent;
  border: none;
  color: var(--color-light-tan);
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}

.view-tab:hover { color: var(--color-white); }

.view-tab.active {
  background: var(--color-gold);
  color: var(--color-black);
}

.date-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 15px;
  line-height: 1;
}

.nav-btn:hover { border-color: var(--color-gold); color: var(--color-gold); }

.nav-today { font-size: 13px; font-weight: 500; }

/* ---------- App shell ---------- */

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 20px 80px;
}

.view-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.view-heading h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 30px;
  margin: 0;
  color: var(--color-black);
}

.view-heading .sub {
  color: var(--color-black-63);
  font-size: 14px;
}

/* ---------- Day view ---------- */

.day-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

@media (min-width: 720px) {
  .day-grid { grid-template-columns: 1fr 1fr; }
}

.block-card {
  border: var(--border-hairline);
  border-radius: var(--radius);
  padding: 16px 18px;
  background: var(--color-white);
  transition: border-color 0.15s ease;
}

.block-card:focus-within { border-color: var(--color-gold); }

.block-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.block-title {
  font-weight: 600;
  font-size: 15px;
  color: var(--color-black);
}

.block-course {
  color: var(--color-tan);
  font-weight: 500;
}

.block-time {
  font-size: 12.5px;
  color: var(--color-black-63);
  white-space: nowrap;
}

.block-textarea {
  width: 100%;
  min-height: 96px;
  resize: vertical;
  border: 1px solid var(--color-light-tan);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--color-black-88);
  background: var(--color-white);
}

.block-textarea::placeholder { color: var(--color-black-63); }

.block-card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.no-school-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--color-black-63);
}

.save-status {
  font-size: 12px;
  color: var(--color-black-63);
  min-height: 16px;
}

.save-status.saved { color: var(--color-dark-tan); }

.btn {
  border: 1px solid var(--color-dark-tan);
  background: var(--color-black);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 7px 14px;
  font-size: 13.5px;
  font-weight: 500;
}

.btn:hover { background: var(--color-dark-tan); }

.btn.secondary {
  background: transparent;
  color: var(--color-black-88);
  border-color: var(--color-light-tan);
}

.btn.secondary:hover { border-color: var(--color-tan); color: var(--color-black); }

.btn.danger {
  background: transparent;
  color: var(--color-tan);
  border-color: var(--color-light-tan);
}

.btn.danger:hover { border-color: var(--color-tan); color: var(--color-black); }

.no-school-banner {
  background: var(--color-light-tan);
  color: var(--color-black-80);
  font-size: 13px;
  padding: 8px 12px;
  border-radius: var(--radius);
  margin-bottom: 10px;
}

/* ---------- Week view ---------- */

.week-scroll {
  overflow-x: auto;
  border: var(--border-hairline);
  border-radius: var(--radius);
}

table.week-table {
  border-collapse: collapse;
  width: 100%;
  min-width: 640px;
}

.week-table th, .week-table td {
  border: 1px solid var(--color-light-tan);
  vertical-align: top;
  padding: 0;
}

.week-table thead th {
  background: var(--color-black);
  color: var(--color-white);
  padding: 10px 12px;
  font-weight: 500;
  font-size: 13.5px;
  text-align: left;
}

.week-table thead th .wd-date {
  display: block;
  color: var(--color-light-tan);
  font-size: 11.5px;
  margin-top: 2px;
}

.week-table th.today, .week-table td.today-col {
  background: rgba(177, 153, 119, 0.08);
}

.week-row-head {
  background: var(--color-white);
  padding: 12px;
  min-width: 130px;
  font-size: 13px;
}

.week-row-head .block-title { font-size: 13.5px; }
.week-row-head .block-time { display: block; margin-top: 2px; }

.week-cell {
  min-width: 170px;
  max-width: 280px;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--color-black-80);
  white-space: normal;
  word-wrap: break-word;
  cursor: pointer;
}

.week-cell:hover { background: rgba(177, 153, 119, 0.12); }

.week-cell .cell-empty { color: var(--color-black-63); font-style: italic; }

.week-cell .cell-no-school {
  color: var(--color-tan);
  font-weight: 500;
  font-style: italic;
}

/* ---------- Month view ---------- */

.month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background: var(--color-light-tan);
  border: 1px solid var(--color-light-tan);
  border-radius: var(--radius);
  overflow: hidden;
}

.month-dow {
  background: var(--color-black);
  color: var(--color-light-tan);
  text-align: center;
  padding: 8px 4px;
  font-size: 12px;
  font-weight: 500;
}

.month-cell {
  background: var(--color-white);
  min-height: 88px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.month-cell:hover { background: rgba(177, 153, 119, 0.08); }

.month-cell.outside { background: #fafaf9; color: var(--color-black-63); }

.month-cell .date-num {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-black);
}

.month-cell.today .date-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-black);
}

.month-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
}

.month-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-tan);
}

.month-dot.empty { background: var(--color-light-tan); }

@media (max-width: 640px) {
  .month-cell { min-height: 60px; padding: 6px; }
  .month-dow { font-size: 10.5px; padding: 6px 2px; }
}

/* ---------- Blocks / settings view ---------- */

.blocks-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.block-row {
  border: var(--border-hairline);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 100px 100px 130px 130px 70px auto;
  gap: 10px;
  align-items: center;
}

@media (max-width: 980px) {
  .block-row { grid-template-columns: 1fr 1fr; }
}

.field-label {
  font-size: 11px;
  text-transform: none;
  color: var(--color-black-63);
  display: block;
  margin-bottom: 3px;
}

.block-row input {
  width: 100%;
  border: 1px solid var(--color-light-tan);
  border-radius: var(--radius);
  padding: 7px 9px;
  font-size: 13.5px;
  color: var(--color-black-88);
}

.add-block-btn {
  margin-top: 4px;
  align-self: flex-start;
}

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

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
}

@media (min-width: 640px) {
  .modal-overlay { align-items: center; }
}

.modal-card {
  background: var(--color-white);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 20px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-soft);
}

@media (min-width: 640px) {
  .modal-card { border-radius: var(--radius); }
}

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

.modal-head h2 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 500;
  margin: 0;
  color: var(--color-black);
}

.modal-head .modal-sub {
  font-size: 12.5px;
  color: var(--color-black-63);
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--color-black-63);
  line-height: 1;
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
}

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

/* ---------- Empty / loading ---------- */

.empty-state {
  border: 1px dashed var(--color-light-tan);
  border-radius: var(--radius);
  padding: 30px;
  text-align: center;
  color: var(--color-black-63);
  font-size: 14px;
}

.loading-note {
  color: var(--color-black-63);
  font-size: 14px;
  padding: 20px 0;
}

/* ---------- Mobile top bar tweaks ---------- */

@media (max-width: 720px) {
  .topbar-inner { gap: 12px; padding: 10px 14px; }
  .brand-name { font-size: 17px; }
  .view-switch { order: 3; width: 100%; justify-content: space-between; }
  .view-tab { flex: 1; text-align: center; padding: 7px 6px; font-size: 13px; }
  .date-nav { margin-left: auto; }
}

/* ---------- Print (Week view) ---------- */

@media print {
  @page { size: landscape; margin: 12mm; }

  .topbar, .no-print {
    display: none !important;
  }

  body, .app {
    background: white;
    padding: 0;
    max-width: none;
    margin: 0;
  }

  .view-heading h1 {
    font-size: 22px;
  }

  .week-scroll {
    overflow: visible;
    border: none;
  }

  table.week-table {
    width: 100%;
    min-width: 0;
  }

  .week-table th,
  .week-table td {
    border: 1px solid #999;
  }

  .week-table thead th {
    background: white !important;
    color: black !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .week-table thead th .wd-date {
    color: #444 !important;
  }

  .week-row-head .block-course {
    color: black;
  }

  .week-cell {
    cursor: default;
    color: black;
  }

  .week-cell .cell-empty,
  .week-cell .cell-no-school {
    color: #444;
  }

  tr {
    page-break-inside: avoid;
  }
}