:root {
  --bg-deep: #0d0e10;
  --bg-panel: #16181c;
  --bg-elevated: #1c1f25;
  --border: #2a2f38;
  --text: #e8eaed;
  --text-muted: #8b929e;
  --accent-bone: #c4b8a8;
  --accent-rust: #8b4513;
  --accent-copper: #b87333;
  --accent-ember: #c45c26;
  --uni: #3d5a80;
  --personal: #5c4d3c;
  --work: #2f4f4f;
  --danger: #a63d3d;
  --success: #4a7c59;
  --font-display: "Bebas Neue", sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
}

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

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.45;
}

.bg-skull {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 50% at 90% 10%, rgba(139, 69, 19, 0.14), transparent 50%),
    radial-gradient(ellipse 60% 40% at 5% 90%, rgba(74, 124, 89, 0.09), transparent 45%),
    url("assets/skull-ornament.svg") center 18% / min(90vw, 520px) no-repeat;
  opacity: 0.35;
  mix-blend-mode: luminosity;
}

.bg-skull::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-deep) 0%, transparent 35%, var(--bg-deep) 100%);
}

.top-bar {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(13, 14, 16, 0.92);
  backdrop-filter: blur(8px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-icon {
  color: var(--accent-bone);
  filter: drop-shadow(0 0 12px rgba(196, 184, 168, 0.35));
}

.brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-bone);
}

.tagline {
  margin: 0.15rem 0 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.today-pill {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-copper);
  border: 1px solid var(--border);
  padding: 0.35rem 0.75rem;
  background: var(--bg-elevated);
}

.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(280px, 340px) 1fr;
  gap: 1.25rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
  align-items: start;
}

.layout > .pinned-events {
  grid-column: 1 / -1;
}

@media (max-width: 960px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1rem;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.panel-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  color: var(--accent-bone);
}

.nav-btn {
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  border-radius: 2px;
}

.nav-btn:hover {
  border-color: var(--accent-copper);
  color: var(--accent-bone);
}

.weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 0.35rem;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-align: center;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-cell {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 4px 2px;
  font-size: 0.85rem;
  border: 1px solid transparent;
  background: var(--bg-elevated);
  cursor: pointer;
  color: var(--text-muted);
  border-radius: 2px;
  min-height: 2.5rem;
}

.calendar-cell.empty {
  background: transparent;
  cursor: default;
  border: none;
}

.calendar-cell .day-num {
  font-weight: 600;
  color: var(--text);
}

.calendar-cell:hover:not(.empty):not(.selected) {
  border-color: var(--border);
  color: var(--accent-bone);
}

.calendar-cell.today {
  box-shadow: inset 0 0 0 1px var(--accent-copper);
}

.calendar-cell.selected {
  background: rgba(184, 115, 51, 0.2);
  border-color: var(--accent-copper);
  color: var(--accent-bone);
}

.calendar-cell.has-tasks .markers::after {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-ember);
  margin-top: 2px;
}

.calendar-cell.is-holiday .markers::before {
  content: "";
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--success);
  margin-top: 2px;
}

.markers {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  min-height: 8px;
}

.holiday-legend {
  margin-top: 1rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}

.holiday-dot {
  background: var(--success);
}

.task-dot {
  background: var(--accent-ember);
}

.holiday-note {
  margin: 0.75rem 0 0;
  font-size: 0.75rem;
  color: var(--accent-bone);
  min-height: 2.5rem;
  padding: 0.5rem;
  background: rgba(0, 0, 0, 0.25);
  border-left: 3px solid var(--accent-rust);
}

.tasks-area {
  min-width: 0;
}

.selected-date-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.selected-date-bar strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  color: var(--accent-bone);
}

.ghost-btn {
  font-family: var(--font-body);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent-copper);
  cursor: pointer;
  border-radius: 2px;
}

.ghost-btn:hover {
  border-color: var(--accent-copper);
  color: var(--accent-bone);
}

.columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 1100px) {
  .columns {
    grid-template-columns: 1fr;
  }
}

.task-column {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  min-height: 280px;
}

.column-head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border);
}

.ch-uni {
  border-top: 3px solid var(--uni);
}

.ch-personal {
  border-top: 3px solid var(--personal);
}

.ch-work {
  border-top: 3px solid var(--work);
}

.col-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--accent-bone);
  opacity: 0.85;
}

.column-head h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.column-head p {
  margin: 0.25rem 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.column-head strong {
  color: var(--accent-bone);
}

.task-list {
  list-style: none;
  margin: 0;
  padding: 0.5rem;
  flex: 1;
}

.task-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.45rem 0.35rem;
  border-bottom: 1px solid rgba(42, 47, 56, 0.6);
  font-size: 0.9rem;
  animation: enter 0.2s ease;
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.task-item.done .task-text {
  text-decoration: line-through;
  color: var(--text-muted);
}

.task-item input[type="checkbox"] {
  margin-top: 0.2rem;
  accent-color: var(--accent-copper);
  cursor: pointer;
}

.task-text {
  flex: 1;
  word-break: break-word;
}

.task-actions {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.task-actions button {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 2px;
}

.task-actions button:hover {
  color: var(--accent-bone);
  border-color: var(--text-muted);
}

.task-actions .delete-btn:hover {
  color: #e8a0a0;
  border-color: var(--danger);
}

.add-form {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
}

.add-form input {
  flex: 1;
  min-width: 0;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  background: var(--bg-deep);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  border-radius: 2px;
}

.add-form input::placeholder {
  color: var(--text-muted);
}

.add-form input:focus {
  outline: none;
  border-color: var(--accent-copper);
}

.add-form button {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.5rem 0.85rem;
  border: none;
  background: linear-gradient(180deg, var(--accent-copper), var(--accent-rust));
  color: #fff;
  cursor: pointer;
  border-radius: 2px;
}

.add-form button:hover {
  filter: brightness(1.08);
}

.pinned-events {
  margin-top: 0.5rem;
  padding: 1rem 1.1rem 1.1rem;
  background: linear-gradient(165deg, rgba(45, 35, 28, 0.95) 0%, var(--bg-panel) 45%);
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent-ember);
  border-radius: 4px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

.pinned-head {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 0.85rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(196, 92, 38, 0.25);
}

.pinned-badge {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--accent-ember);
  text-shadow: 0 0 12px rgba(196, 92, 38, 0.35);
}

.pinned-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent-bone);
}

.pinned-sub {
  margin: 0.35rem 0 0;
  font-size: 0.78rem;
  color: var(--text-muted);
  max-width: 52rem;
}

.pinned-list {
  list-style: none;
  margin: 0 0 0.65rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.pinned-item {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-copper);
  border-radius: 2px;
  font-size: 0.92rem;
  animation: enter 0.2s ease;
}

.pinned-item .task-text {
  flex: 1;
}

.pinned-form button {
  background: linear-gradient(180deg, var(--accent-ember), #7a3818);
}

.pinned-empty {
  margin: 0 0 0.65rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: italic;
}

.footer-note {
  position: relative;
  z-index: 1;
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: 1rem 1.5rem 2rem;
  max-width: 900px;
  margin: 0 auto;
}