/* 组件：卡片、英雄数字、输入、滑块、按钮、开关、弹窗、分段控件、空状态 */

/* toast 提示 */
#toast-host {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(env(safe-area-inset-bottom, 0px) + 86px);
  z-index: 9999; display: flex; flex-direction: column; gap: 8px;
  align-items: center; pointer-events: none; width: max-content; max-width: 88vw;
}
.toast {
  background: rgba(31, 138, 114, 0.96); color: #fff;
  padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 600;
  box-shadow: 0 10px 30px rgba(20, 90, 70, 0.28);
  opacity: 0; transform: translateY(10px);
  transition: opacity .25s ease, transform .25s ease; text-align: center;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.error { background: rgba(214, 69, 69, 0.97); box-shadow: 0 10px 30px rgba(150, 30, 30, 0.28); }

.card {
  position: relative; overflow: hidden;
  background:
    linear-gradient(var(--surface), var(--surface)) padding-box,
    linear-gradient(140deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.05)) border-box;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
  margin-bottom: 14px;
}
.card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 42%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0));
  pointer-events: none;
}
.card h3 { position: relative; margin: 0 0 12px; font-size: 15px; font-weight: 600; letter-spacing: 0.3px; }

.label { font-size: 12px; color: var(--muted); margin: 0; letter-spacing: 0.4px; }

/* 英雄数字 */
.hero {
  display: flex; align-items: baseline; gap: 8px;
  margin-top: 6px;
}
.hero .num {
  font-family: var(--font-display);
  font-size: 64px; font-weight: 300; line-height: 1;
  letter-spacing: -2px; font-variant-numeric: tabular-nums;
  background: linear-gradient(120deg, var(--green-700), var(--green-400));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: var(--green-700);
}
.hero .unit { font-size: 17px; color: var(--muted); font-weight: 500; }
.delta { font-size: 13px; margin: 10px 0 0; font-weight: 500; }
.delta.down { color: var(--green-600); }
.delta.up { color: var(--danger); }
.delta.flat { color: var(--faint); }

/* 双格指标 */
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tile {
  position: relative; overflow: hidden;
  background:
    linear-gradient(var(--surface-strong), var(--surface-strong)) padding-box,
    linear-gradient(140deg, rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.04)) border-box;
  border: 1px solid transparent;
  border-radius: var(--radius-sm); padding: 15px;
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.tile .label { font-size: 11px; letter-spacing: 0.6px; text-transform: uppercase; }
.tile .value { font-family: var(--font-display); font-size: 27px; font-weight: 500; margin: 5px 0 2px; font-variant-numeric: tabular-nums; }
.tile .sub { font-size: 11px; color: var(--faint); }

/* 输入 */
.field { margin-bottom: 14px; }
.field > label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 7px; letter-spacing: 0.4px; }
.input, input.input {
  width: 100%; font-size: 17px; padding: 13px 15px;
  background: var(--surface-strong); border: 1px solid rgba(0, 0, 0, 0.07);
  border-radius: var(--radius-sm); outline: none;
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.15s var(--ease-spring);
}
.input:focus { border-color: var(--green-400); box-shadow: 0 0 0 4px var(--ring); }

/* 大数字录入 */
.bignum {
  width: 100%; text-align: center;
  font-family: var(--font-display);
  font-size: 52px; font-weight: 300;
  padding: 10px; border: none; background: transparent; outline: none;
  border-bottom: 2px solid var(--green-200);
  color: var(--text); letter-spacing: -2px; font-variant-numeric: tabular-nums;
  transition: border-color 0.2s ease;
}
.bignum:focus { border-color: var(--green-400); }

/* 滑块 */
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 6px;
  background: linear-gradient(90deg, var(--green-200), var(--green-400));
  outline: none; margin: 10px 0 4px;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 26px; height: 26px; border-radius: 50%;
  background: #fff; border: 3px solid var(--green-400);
  box-shadow: var(--shadow-sm); cursor: pointer;
}

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  width: 100%; padding: 15px; font-size: 16px; font-weight: 600;
  border-radius: var(--radius-sm); color: #fff;
  background: linear-gradient(120deg, var(--green-600), var(--green-400));
  box-shadow: 0 10px 24px rgba(47, 169, 138, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  transition: transform 0.18s var(--ease-spring), opacity 0.2s ease, box-shadow 0.2s ease;
}
.btn:active { transform: translateY(-1px) scale(0.975); box-shadow: 0 6px 16px rgba(47, 169, 138, 0.24); }
.btn.ghost {
  background: var(--surface-strong); color: var(--green-700);
  border: 1px solid var(--green-200);
  box-shadow: var(--shadow-sm), inset 0 1px 0 rgba(255, 255, 255, 0.6);
}
.btn.small { width: auto; padding: 10px 18px; font-size: 14px; }

/* 开关 */
.switch { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.switch input { display: none; }
.switch .track {
  width: 46px; height: 28px; border-radius: 16px; background: rgba(0,0,0,0.12);
  position: relative; transition: background 0.25s var(--ease-out);
}
.switch .track::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 22px; height: 22px; border-radius: 50%; background: #fff;
  box-shadow: var(--shadow-sm); transition: transform 0.28s var(--ease-spring);
}
.switch input:checked + .track { background: var(--green-400); }
.switch input:checked + .track::after { transform: translateX(18px); }

/* 分段控件（时间范围等） */
.segmented { display: flex; gap: 4px; padding: 4px; background: var(--surface-strong); border-radius: 14px; border: 1px solid rgba(255,255,255,0.4); }
.segmented button { flex: 1; padding: 8px 0; font-size: 13px; color: var(--muted); border-radius: 10px; transition: all 0.25s var(--ease-out); }
.segmented button.active { background: linear-gradient(135deg, var(--green-600), var(--green-400)); color: #fff; font-weight: 600; box-shadow: 0 4px 12px rgba(47,169,138,0.28); }

/* 弹窗 */
#modal-root { position: fixed; inset: 0; z-index: 60; display: none; }
#modal-root.open { display: block; }
.modal-mask { position: absolute; inset: 0; background: rgba(10,20,16,0.34); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.modal {
  position: absolute; left: 50%; bottom: 0; transform: translateX(-50%);
  width: min(520px, 100%); max-height: 88%; overflow: auto;
  background:
    linear-gradient(var(--bg), var(--bg)) padding-box,
    linear-gradient(140deg, rgba(255,255,255,0.7), rgba(255,255,255,0.04)) border-box;
  border: 1px solid transparent;
  border-radius: 28px 28px 0 0;
  padding: 22px 18px calc(var(--safe-bottom) + 22px);
  box-shadow: 0 -12px 44px rgba(0,0,0,0.22);
  animation: sheetUp 0.34s var(--ease-spring);
}
.modal .modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.modal .modal-head h3 { margin: 0; font-size: 18px; }

/* 空状态 */
.empty { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty .big { font-size: 40px; margin-bottom: 10px; }

/* 提示横幅（隐私模式等） */
.banner {
  background: rgba(239,107,107,0.14); color: #b23a3a;
  border: 0.5px solid rgba(239,107,107,0.4); border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 13px; margin-bottom: 14px;
}
@media (prefers-color-scheme: dark) { .banner { color: #ffb4b4; } }

/* 校准小字 */
.hint { font-size: 12px; color: var(--faint); margin-top: 6px; }
.row-between { display: flex; align-items: center; justify-content: space-between; }

/* 饮食明细（今日页：吃了什么） */
.foods { display: flex; flex-direction: column; gap: 8px; margin-bottom: 6px; }
.food-row { display: flex; gap: 8px; align-items: center; }
.food-name { flex: 1 1 auto; }
.food-kcal { flex: 0 0 84px; }
.icon-btn {
  flex: 0 0 auto; width: 34px; height: 34px; border-radius: 10px;
  background: rgba(239, 107, 107, 0.12); color: #d4453f; font-size: 20px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 0.15s var(--ease-spring), background 0.2s ease;
}
.icon-btn:active { transform: scale(0.9); }

/* 总览：当前体重 + 目标（右侧，更淡更小） */
.hero-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.hero-block { flex: 0 0 auto; }
.goal-block { flex: 0 0 auto; text-align: right; padding-bottom: 8px; }
.goal-num {
  font-family: var(--font-display);
  font-size: 30px; font-weight: 300; line-height: 1; letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
  color: var(--green-600);
  opacity: 0.55; /* 比当前体重更淡 */
}
.goal-sub { font-size: 11px; color: var(--faint); margin: 4px 0 0; }

/* 今日：已选食物行 */
.food-row { display: flex; gap: 8px; align-items: center; }
.food-name { flex: 1 1 auto; font-size: 15px; font-weight: 500; }
.food-qty-wrap { display: flex; align-items: center; gap: 4px; flex: 0 0 auto; }
.food-qty {
  width: 52px; font-size: 15px; padding: 8px 8px; text-align: center;
  background: var(--surface-strong); border: 1px solid rgba(0,0,0,0.07);
  border-radius: 10px; outline: none;
}
.food-qty:focus { border-color: var(--green-400); box-shadow: 0 0 0 3px var(--ring); }
.food-unit { font-size: 12px; color: var(--muted); }
.food-kcal { flex: 0 0 auto; font-size: 13px; color: var(--green-700); font-weight: 600; min-width: 64px; text-align: right; }

/* 食物选择器（弹窗内） */
.food-picker { display: flex; flex-direction: column; gap: 6px; margin-top: 12px; max-height: 56vh; overflow: auto; }
.food-pick {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 12px 14px; text-align: left;
  background: var(--surface-strong); border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-sm);
  transition: transform 0.15s var(--ease-spring), background 0.2s ease;
}
.food-pick:active { transform: scale(0.98); background: var(--green-50); }
.fp-name { font-size: 15px; font-weight: 600; color: var(--text); }
.fp-meta { font-size: 12px; color: var(--muted); }