/* 我们的日记 - mobile-first warm diary aesthetic */
:root {
  --bg: #faf6f0;
  --bg-card: #fffdf9;
  --ink: #3d3429;
  --ink-muted: #7a6f63;
  --accent: #c97b63;
  --accent-soft: #f3e0d6;
  --border: #e8ddd0;
  --shadow: 0 8px 24px rgba(61, 52, 41, 0.08);
  --radius: 14px;
  --font: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --touch-min: 44px;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  background: linear-gradient(165deg, #faf6f0 0%, #f5ebe0 45%, #efe4d4 100%);
  color: var(--ink);
}

body {
  padding:
    var(--safe-top)
    var(--safe-right)
    var(--safe-bottom)
    var(--safe-left);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: radial-gradient(circle at 20% 10%, #fff 0, transparent 50%),
    radial-gradient(circle at 80% 90%, #ffe8d6 0, transparent 45%);
  z-index: -1;
}

.hidden { display: none !important; }

.app-shell {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0.75rem 1rem 2rem;
}

.view-panel { margin-bottom: 1rem; }

.app-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.app-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1.3;
}

.header-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
}

.user-greeting {
  font-size: 0.9rem;
  color: var(--ink-muted);
  width: 100%;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.65rem 1.15rem;
  min-height: var(--touch-min);
  font-size: 1rem;
  cursor: pointer;
  font-family: inherit;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  touch-action: manipulation;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(201, 123, 99, 0.35);
}

.btn-primary:hover { filter: brightness(1.05); }

.btn-secondary {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn-ghost {
  background: var(--bg-card);
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-danger {
  background: #e74c3c;
  color: #fff;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  min-height: 38px;
  font-size: 0.875rem;
}

.btn-icon {
  min-width: var(--touch-min);
  padding: 0.5rem;
  font-size: 1.35rem;
  line-height: 1;
}

.btn-block { width: 100%; }

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

.login-card {
  max-width: 400px;
  margin: 1.5rem auto 2rem;
  text-align: center;
  padding: 1.5rem 1.25rem;
}

.login-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
}

.login-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--accent-soft), #fff);
  border: 2px solid var(--border);
  position: relative;
}

.login-icon::before {
  content: "";
  position: absolute;
  inset: 10px 12px 14px;
  border: 2px solid var(--accent);
  border-radius: 4px 8px 4px 4px;
}

.login-icon::after {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 6px;
  border: 2px solid var(--accent);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
}

.field { text-align: left; margin-bottom: 1rem; }

.field label {
  display: block;
  font-size: 0.875rem;
  color: var(--ink-muted);
  margin-bottom: 0.4rem;
}

.field input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  min-height: var(--touch-min);
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 16px;
  background: #fff;
}

.field input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.hint {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  margin-top: 0.75rem;
  line-height: 1.5;
}

.hint-center { text-align: center; margin-top: 0.75rem; }

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

.month-label {
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  flex: 1;
}

.calendar,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 4px;
  width: 100%;
}

.cal-head {
  text-align: center;
  font-size: 0.7rem;
  color: var(--ink-muted);
  padding: 0.35rem 0;
  font-weight: 600;
  white-space: nowrap;
  min-width: 0;
  line-height: 1.2;
}

.cal-day {
  aspect-ratio: 1;
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.65);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  font-size: 0.875rem;
  transition: background 0.15s, border-color 0.15s;
  touch-action: manipulation;
  padding: 2px;
}

.cal-day:hover { border-color: var(--accent-soft); background: #fff; }

.cal-day.other { opacity: 0.35; pointer-events: none; }

.cal-day.today { border-color: var(--accent); font-weight: 700; }

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

.mood-dots {
  display: flex;
  gap: 2px;
  margin-top: 2px;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 100%;
}

.mood-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.entry-cards { display: flex; flex-direction: column; gap: 0.75rem; }

.entry-card { padding: 0.9rem 1rem; }

.entry-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
}

.entry-user { font-weight: 600; }

.mood-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  background: var(--accent-soft);
}

.block-text {
  line-height: 1.7;
  white-space: pre-wrap;
  margin: 0.5rem 0;
  font-size: 1rem;
}

.block-media img {
  max-width: 100%;
  border-radius: 10px;
  margin: 0.5rem 0;
}

.block-media audio, .block-media video {
  width: 100%;
  margin: 0.5rem 0;
  border-radius: 10px;
}

.comments-section {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--border);
}

.comments-title {
  margin: 0 0 0.6rem;
  font-size: 0.875rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.comment-list {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.comment-item {
  background: rgba(255, 255, 255, 0.6);
  border-radius: 10px;
  padding: 0.65rem 0.75rem;
}

.comment-empty {
  color: var(--ink-muted);
  font-size: 0.875rem;
  padding: 0.25rem 0;
}

.comment-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  font-size: 0.8125rem;
  flex-wrap: wrap;
}

.comment-author { font-weight: 600; color: var(--accent); }

.comment-time { color: var(--ink-muted); }

.comment-text {
  margin: 0;
  line-height: 1.55;
  white-space: pre-wrap;
  font-size: 0.9375rem;
}

.comment-delete { margin-top: 0.35rem; padding: 0.2rem 0.55rem; font-size: 0.75rem; }

.comment-form {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  flex-wrap: wrap;
}

.comment-input {
  flex: 1 1 160px;
  min-width: 0;
  padding: 0.65rem 0.85rem;
  min-height: var(--touch-min);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: inherit;
  font-size: 16px;
  background: #fff;
}

.comment-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(201, 123, 99, 0.15);
}

.comment-form .btn { flex-shrink: 0; }

.editor-section { margin-top: 0.75rem; }

.section-label {
  margin: 0 0 0.35rem;
  font-size: 0.875rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.mood-picker {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  margin: 0.5rem 0 1rem;
}

.mood-option {
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 0.4rem 0.2rem;
  min-height: var(--touch-min);
  text-align: center;
  cursor: pointer;
  background: #fff;
  transition: border-color 0.15s, transform 0.15s;
  touch-action: manipulation;
}

.mood-option .emoji { font-size: 1.25rem; display: block; line-height: 1.2; }

.mood-option .label { font-size: 0.65rem; color: var(--ink-muted); margin-top: 2px; }

.mood-option.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.editor-text {
  width: 100%;
  min-height: 120px;
  padding: 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 16px;
  resize: vertical;
  line-height: 1.6;
}

.media-blocks { display: flex; flex-direction: column; gap: 0.65rem; margin: 0.65rem 0; }

.media-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  background: #fff;
  border-radius: 10px;
  border: 1px dashed var(--border);
  flex-wrap: wrap;
  font-size: 0.875rem;
}

.upload-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9375rem;
  min-height: var(--touch-min);
  padding: 0.25rem 0;
}

.upload-label input { display: none; }

.upload-icon {
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent);
  border-radius: 3px;
  position: relative;
  flex-shrink: 0;
}

.upload-icon::after {
  content: "+";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.editor-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.85rem;
}

.editor-actions .btn-primary { flex: 1 1 auto; }

#toast-container {
  position: fixed;
  bottom: calc(1rem + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
  width: min(92vw, 400px);
}

.toast {
  background: rgba(61, 52, 41, 0.92);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  box-shadow: var(--shadow);
  animation: toast-in 0.25s ease;
  text-align: center;
}

.toast.error { background: rgba(231, 76, 60, 0.95); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

#loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(250, 246, 240, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 4px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.view-title { margin: 0 0 0.75rem; font-size: 1.1rem; }

.empty-state {
  text-align: center;
  color: var(--ink-muted);
  padding: 1.5rem 1rem;
  font-size: 0.9375rem;
}

@media (min-width: 480px) {
  .app-shell { padding: 1rem 1.25rem 2.5rem; }

  .app-title { font-size: 1.4rem; }

  .login-card { margin-top: 3rem; }

  .calendar,
  .calendar-grid { gap: 6px; }

  .cal-day { min-height: 48px; font-size: 0.9rem; }

  .mood-picker { gap: 8px; }

  .mood-option .emoji { font-size: 1.35rem; }

  .mood-option .label { font-size: 0.7rem; }
}

@media (min-width: 768px) {
  .app-shell { max-width: 720px; }

  .user-greeting { width: auto; }

  .header-actions { flex-wrap: nowrap; }
}