:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --panel: #171a21;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #7cb8ff;
  --accent-text: #081018;
  --border: #2a2f3a;
  --today: #2a3d2a;
  --danger: #ff8a80;
  --success: #9be7a3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--muted);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
}

.gate {
  max-width: 420px;
  margin: 12vh auto;
  padding: 24px;
  display: grid;
  gap: 12px;
}

.gate h1,
.topbar h1 {
  margin: 0;
  font-size: 1.25rem;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #0b0d11;
  color: var(--text);
  padding: 12px;
}

button {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

button.primary {
  background: var(--accent);
  color: var(--accent-text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

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

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px;
  padding: 12px;
}

.hint {
  margin: 0 16px 8px;
  font-size: 0.9rem;
}

.schedule-grid {
  display: grid;
  gap: 8px;
  padding: 0 12px 12px;
}

.chat-panel {
  margin: 0 12px 24px;
  padding: 0;
  display: flex;
  flex-direction: column;
  max-height: min(42vh, 420px);
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.chat-header h2 {
  margin: 0;
  font-size: 1rem;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px 14px;
  min-height: 120px;
}

.chat-bubble {
  max-width: 92%;
  padding: 10px 12px;
  border-radius: 14px;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

.chat-bubble.user {
  align-self: flex-end;
  background: #2a3f5f;
}

.chat-bubble.assistant {
  align-self: flex-start;
  background: #10141b;
  border: 1px solid var(--border);
}

.chat-bubble.system {
  align-self: center;
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 4px 0;
}

.chat-patch {
  margin: 0 14px 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #10141b;
  display: grid;
  gap: 8px;
}

.chat-patch ul {
  margin: 0;
  padding-left: 18px;
}

.chat-form {
  display: flex;
  gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid var(--border);
}

.chat-form input {
  flex: 1;
  min-width: 0;
}

.slot-row {
  display: grid;
  grid-template-columns: 72px 56px 1fr 1fr;
  gap: 8px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel);
  touch-action: manipulation;
}

.slot-row.has-activity {
  grid-template-columns: 72px 56px 1fr 110px 1fr;
}

.slot-row.today {
  background: var(--today);
}

.slot-row.dragging {
  opacity: 0.55;
}

.slot-row.selected {
  outline: 2px solid var(--accent);
}

.slot-row[draggable="true"] {
  cursor: grab;
}

.day-label,
.period-label {
  font-size: 0.85rem;
}

.period-label {
  color: var(--muted);
}

.chip {
  min-height: 40px;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: #10141b;
}

.chip.activity.empty::before {
  content: attr(data-placeholder);
  color: var(--muted);
}

.chip.time-control {
  padding: 6px 8px;
}

.time-select {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b0d11;
  color: var(--text);
  padding: 8px;
  min-height: 36px;
  font: inherit;
}

.chip:focus {
  outline: 2px solid var(--accent);
}

.caregiver-control {
  display: grid;
  gap: 6px;
  padding: 6px 8px;
}

.caregiver-select,
.caregiver-other {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0b0d11;
  color: var(--text);
  padding: 8px;
  min-height: 36px;
  font: inherit;
}

dialog {
  width: min(560px, calc(100vw - 24px));
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
  color: var(--text);
  padding: 0;
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.55);
}

.dialog-header,
.dialog-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px;
}

.dialog-header {
  border-bottom: 1px solid var(--border);
}

.dialog-footer {
  border-top: 1px solid var(--border);
}

#import-form,
.export-dialog-body {
  margin: 0;
}

#import-message,
#import-questions,
#import-proposal,
#import-status,
#import-preview,
#export-text {
  margin: 0 16px 12px;
}

#export-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.45;
  white-space: pre;
}

.import-preview img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.import-message {
  line-height: 1.5;
  white-space: pre-wrap;
}

.import-questions {
  display: grid;
  gap: 12px;
}

.question-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.question-card p {
  margin: 0;
}

.choice-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.choice-btn.selected {
  outline: 2px solid var(--accent);
  background: #2a3f5f;
  color: var(--text);
}

.question-send-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 4px;
}

.question-send-row button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.import-proposal ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: #1f2937;
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 999px;
  z-index: 20;
}

@media (max-width: 640px) {
  .slot-row {
    grid-template-columns: 64px 48px 1fr;
    grid-template-areas:
      "day period period"
      "activity activity caregiver";
  }

  .slot-row.has-activity {
    grid-template-columns: 64px 48px 1fr 1fr;
    grid-template-areas:
      "day period period period"
      "activity activity time caregiver";
  }

  .day-label {
    grid-area: day;
  }

  .period-label {
    grid-area: period;
  }

  .chip.activity {
    grid-area: activity;
  }

  .chip.time-control {
    grid-area: time;
  }

  .chip.caregiver {
    grid-area: caregiver;
  }
}