/* ===== Base ===== */
* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: #f4f4f9;
  display: flex;
  justify-content: center;
  padding: 12px;
  margin: 0;
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
}

/* ===== Card ===== */
.card {
  background: white;
  padding: 1.2rem;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 450px;
}

h1 {
  color: #e63946;
  text-align: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

/* ===== Form Controls ===== */
.input-group {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

input {
  width: 60px;
  padding: 8px 5px;
  border: 1px solid #ddd;
  border-radius: 5px;
  text-align: center;
  font-size: 16px; /* prevents iOS zoom on focus */
  -webkit-appearance: none;
  appearance: none;
}

select {
  padding: 8px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 16px; /* prevents iOS zoom */
  -webkit-appearance: none;
  appearance: none;
}

button {
  width: 100%;
  background: #e63946;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
  margin-top: 10px;
}

button:hover {
  background: #d62828;
}

/* ===== Result Area ===== */
#result {
  margin-top: 20px;
  border-top: 2px dashed #eee;
  padding-top: 15px;
}

.dish-item {
  background: #fefae0;
  margin: 5px 0;
  padding: 8px 10px;
  border-radius: 5px;
  border-left: 4px solid #dda15e;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.dish-info {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

.dish-time {
  font-size: 0.75rem;
  color: #888;
  font-weight: normal;
  background: #fff3e0;
  padding: 1px 6px;
  border-radius: 10px;
  white-space: nowrap;
}

.total-time {
  margin-top: 10px;
  padding: 8px 12px;
  background: #e8f5e9;
  border-radius: 5px;
  font-size: 0.9rem;
  color: #2e7d32;
  text-align: center;
}

/* ===== Lock Button ===== */
.lock-btn {
  background: none;
  border: none;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 2px 6px;
  margin: 0;
  width: auto;
  color: #aaa;
  transition: 0.2s;
}

.lock-btn.locked {
  color: #e63946;
}

/* ===== AI Section ===== */
.btn-group {
  display: flex;
  gap: 8px;
}

.btn-ai {
  background: #457b9d;
}

.btn-ai:hover {
  background: #1d3557;
}

.btn-notify {
  background: #2a9d8f;
}

.btn-notify:hover {
  background: #21867a;
}

.btn-notify.sent {
  background: #aaa;
  cursor: default;
}

.ai-section {
  margin-top: 15px;
  background: linear-gradient(135deg, #f1faee, #e8f4f8);
  padding: 15px;
  border-radius: 8px;
  border-left: 4px solid #457b9d;
  line-height: 1.8;
  font-size: 0.9rem;
}

.ai-section b {
  color: #1d3557;
}

/* ===== Loading & Error ===== */
.loading {
  text-align: center;
  color: #888;
  padding: 20px;
}

.loading::after {
  content: '';
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #e63946;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

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

.error {
  color: #e63946;
  background: #ffe5e5;
  padding: 10px;
  border-radius: 5px;
  margin-top: 10px;
  font-size: 0.85rem;
}

/* ===== Source Tags ===== */
.source-tag {
  font-size: 0.7rem;
  color: #fff;
  padding: 1px 5px;
  border-radius: 8px;
  margin-left: 4px;
  font-weight: normal;
}

.source-老饭骨 { background: #e63946; }
.source-家常菜 { background: #2a9d8f; }
.source-川湘菜 { background: #e76f51; }
.source-粤菜  { background: #f4a261; }
.source-日料  { background: #d63384; }
.source-韩餐  { background: #6f42c1; }
.source-西餐  { background: #0d6efd; }
.source-东南亚 { background: #20c997; }
.source-海鲜 { background: #0dcaf0; }
.source-奶茶甜品 { background: #e685b5; }

/* ===== Source Multi-Select ===== */
.source-group {
  margin-bottom: 1rem;
}

.source-group > span {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.source-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.source-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1.5px solid #ddd;
  font-size: 0.8rem;
  cursor: pointer;
  transition: 0.2s;
  background: #f8f8f8;
  user-select: none;
}

.source-chip input[type="checkbox"] {
  display: none;
}

.source-chip.checked {
  background: #e63946;
  color: white;
  border-color: #e63946;
}

.source-chip[data-source="家常菜"].checked { background: #2a9d8f; border-color: #2a9d8f; }
.source-chip[data-source="川湘菜"].checked { background: #e76f51; border-color: #e76f51; }
.source-chip[data-source="粤菜"].checked   { background: #f4a261; border-color: #f4a261; }
.source-chip[data-source="日料"].checked   { background: #d63384; border-color: #d63384; }
.source-chip[data-source="韩餐"].checked   { background: #6f42c1; border-color: #6f42c1; }
.source-chip[data-source="西餐"].checked   { background: #0d6efd; border-color: #0d6efd; }
.source-chip[data-source="东南亚"].checked  { background: #20c997; border-color: #20c997; }
.source-chip[data-source="海鲜"].checked  { background: #0dcaf0; border-color: #0dcaf0; }
.source-chip[data-source="奶茶甜品"].checked  { background: #e685b5; border-color: #e685b5; }

.source-actions {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.chip-btn {
  width: auto;
  padding: 3px 10px;
  font-size: 0.75rem;
  background: #eee;
  color: #555;
  border-radius: 12px;
  margin-top: 0;
}

.chip-btn:hover {
  background: #ddd;
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 0;
  margin-bottom: 1.2rem;
  border-bottom: 2px solid #eee;
}

.tab {
  flex: 1;
  background: none;
  color: #999;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 10px 8px;
  margin: 0;
  font-size: 0.95rem;
  font-weight: bold;
  cursor: pointer;
  transition: 0.2s;
  border-radius: 0;
}

.tab:hover {
  color: #666;
  background: none;
}

.tab.active {
  color: #e63946;
  border-bottom-color: #e63946;
  background: none;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ===== Tea Tab ===== */
.tea-btn {
  width: 100%;
  background: #e685b5;
  color: white;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  transition: 0.3s;
  margin-top: 10px;
}

.tea-btn:hover {
  background: #d4609e;
}

.tea-item {
  background: #fef0f5;
  margin: 6px 0;
  padding: 10px 12px;
  border-radius: 8px;
  border-left: 4px solid #e685b5;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
}

.tea-person {
  font-weight: bold;
  color: #d4609e;
  margin-right: 8px;
}

.tea-drink {
  flex: 1;
}

.tea-time {
  font-size: 0.75rem;
  color: #999;
  background: #fff0f5;
  padding: 1px 6px;
  border-radius: 10px;
  white-space: nowrap;
  margin-left: 6px;
}

.tea-ai-btn {
  background: #d4609e;
}

.tea-ai-btn:hover {
  background: #b84d85;
}

/* ===== Mobile Responsive (iPhone) ===== */
@media screen and (max-width: 430px) {
  body {
    padding: 8px;
  }

  .card {
    padding: 1rem;
    border-radius: 12px;
  }

  h1 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }

  .input-group {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
  }

  .input-group span {
    flex: 1;
  }

  input {
    width: 55px;
    flex-shrink: 0;
  }

  button {
    padding: 14px;
    font-size: 1rem;
    border-radius: 10px;
  }

  /* Source chips: smaller on narrow screens */
  .source-chip {
    padding: 5px 8px;
    font-size: 0.75rem;
  }

  .source-checks {
    gap: 5px;
  }

  /* Dish items */
  .dish-item {
    padding: 8px;
    font-size: 0.85rem;
  }

  .dish-info {
    gap: 3px;
    font-size: 0.85rem;
  }

  .dish-time {
    font-size: 0.7rem;
    padding: 1px 5px;
  }

  .source-tag {
    font-size: 0.6rem;
    padding: 1px 4px;
  }

  .total-time {
    font-size: 0.8rem;
    padding: 6px 10px;
  }

  /* AI section */
  .ai-section {
    padding: 12px;
    font-size: 0.85rem;
    line-height: 1.6;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  .error {
    font-size: 0.8rem;
  }
}

/* iPhone SE / small screens */
@media screen and (max-width: 375px) {
  .card {
    padding: 0.8rem;
  }

  h1 {
    font-size: 1.1rem;
  }

  .source-chip {
    padding: 4px 6px;
    font-size: 0.7rem;
  }

  .dish-info {
    font-size: 0.8rem;
  }
}

/* Safe area for iPhone with notch */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  body {
    padding-bottom: calc(12px + env(safe-area-inset-bottom));
    padding-top: calc(12px + env(safe-area-inset-top));
  }
}