:root {
  --bg: #0c0e12;
  --surface: #141820;
  --surface-2: #1a1f2a;
  --border: rgba(255, 255, 255, 0.06);
  --text: #e8eaef;
  --text-muted: #8b92a5;
  --accent: #6ee7b7;
  --accent-dim: rgba(110, 231, 183, 0.15);
  --accent-2: #818cf8;
  --accent-2-dim: rgba(129, 140, 248, 0.15);
  --danger: #f87171;
  --warning: #fbbf24;
  --radius: 14px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(110, 231, 183, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 100% 50%, rgba(129, 140, 248, 0.06), transparent),
    radial-gradient(ellipse 50% 30% at 0% 80%, rgba(110, 231, 183, 0.04), transparent);
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
}

header {
  text-align: center;
  margin-bottom: 2.5rem;
}

header h1 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.clock-block {
  font-family: 'JetBrains Mono', monospace;
}

.clock-time {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.clock-date {
  font-size: 1rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  font-weight: 400;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 768px) {
  .grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.card-title {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-title .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.card.pomodoro .card-title .dot { background: var(--accent-2); }
.card.weather .card-title .dot { background: var(--warning); }
.card.notes .card-title .dot { background: var(--accent); }
.card.player .card-title .dot { background: var(--accent-2); }

.card.player {
  grid-column: 1 / -1;
}

/* To-Do */
.todo-input-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.todo-input-row input {
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.todo-input-row input:focus {
  border-color: rgba(110, 231, 183, 0.4);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.todo-input-row input::placeholder { color: var(--text-muted); }

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.75rem 1.1rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s, background 0.2s;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: #0c0e12;
}

.btn-primary:hover { opacity: 0.9; }

.btn-ghost {
  background: var(--surface-2);
  color: var(--text-muted);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.12);
}

.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  color: var(--danger);
}

.btn-danger:hover { background: rgba(248, 113, 113, 0.25); }

.todo-stats {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.todo-list {
  list-style: none;
  max-height: 320px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--surface-2) transparent;
}

.todo-list::-webkit-scrollbar { width: 6px; }
.todo-list::-webkit-scrollbar-thumb {
  background: var(--surface-2);
  border-radius: 3px;
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.5rem;
  border-radius: 8px;
  transition: background 0.15s;
}

.todo-item:hover { background: var(--surface-2); }

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

.todo-check {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--border);
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}

.todo-item.done .todo-check {
  background: var(--accent);
  border-color: var(--accent);
}

.todo-check svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  stroke: #0c0e12;
}

.todo-item.done .todo-check svg { opacity: 1; }

.todo-text {
  flex: 1;
  font-size: 0.95rem;
  word-break: break-word;
}

.todo-delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.25rem;
  opacity: 0;
  transition: color 0.15s, opacity 0.15s;
}

.todo-item:hover .todo-delete { opacity: 1; }
.todo-delete:hover { color: var(--danger); }

.todo-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Pomodoro */
.pomodoro-modes {
  display: flex;
  gap: 0.35rem;
  background: var(--surface-2);
  padding: 0.25rem;
  border-radius: 10px;
}

.mode-btn {
  flex: 1;
  padding: 0.45rem 0.6rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.mode-btn.active {
  background: var(--accent-2-dim);
  color: var(--accent-2);
}

.timer-ring-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 1.5rem auto;
}

.timer-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-ring circle {
  fill: none;
  stroke-width: 6;
}

.timer-ring .bg { stroke: var(--surface-2); }
.timer-ring .progress {
  stroke: var(--accent-2);
  stroke-linecap: round;
  transition: stroke-dashoffset 0.3s linear;
}

.timer-display {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
}

.timer-time {
  font-size: 2.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.timer-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  font-family: 'DM Sans', sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.timer-controls {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn-timer {
  min-width: 100px;
  background: var(--accent-2);
  color: #0c0e12;
}

.btn-timer:hover { opacity: 0.9; }

.btn-timer.secondary {
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.pomodoro-sessions {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.session-dots {
  display: inline-flex;
  gap: 0.35rem;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.session-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.session-dot.filled {
  background: var(--accent-2);
  border-color: var(--accent-2);
}

/* Weather */
.weather-body {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.weather-icon {
  font-size: 3rem;
  line-height: 1;
}

.weather-main {
  flex: 1;
}

.weather-temp {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.25rem;
  font-weight: 600;
}

.weather-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
  text-transform: capitalize;
}

.weather-city {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

.weather-loading,
.weather-error {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Notes */
.notes-textarea {
  width: 100%;
  min-height: 160px;
  resize: vertical;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.notes-textarea:focus {
  border-color: rgba(110, 231, 183, 0.4);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.notes-textarea::placeholder { color: var(--text-muted); }

.notes-meta {
  display: flex;
  justify-content: space-between;
  margin-top: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Player */
.player-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.player-controls select,
.player-controls input[type="range"] {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  outline: none;
}

.player-controls select {
  flex: 1;
  min-width: 200px;
  max-width: 360px;
  cursor: pointer;
}

.player-station-name {
  font-size: 0.9rem;
  color: var(--text-muted);
  min-width: 120px;
}

.player-volume-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.player-volume-wrap input[type="range"] {
  width: 120px;
  padding: 0;
  border: none;
  accent-color: var(--accent-2);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

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

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow);
}

.modal h3 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.modal p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.modal-field {
  margin-bottom: 1rem;
}

.modal-field label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.modal-field input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
}

.modal-field input:focus {
  border-color: rgba(110, 231, 183, 0.4);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}