/* ============ 喝水助手样式 ============ */

.water-hero {
  padding: 60px 20px 40px;
  background: linear-gradient(135deg, #f3edfd 0%, #e6f8fc 100%);
  text-align: center;
}
.water-hero-inner { max-width: 720px; margin: 0 auto; }
.water-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}
.water-sub {
  font-size: 15px;
  color: var(--gray);
  margin-bottom: 32px;
}

/* 进度环 */
.ring-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  margin: 0 auto 36px;
}
.ring { transform: rotate(-90deg); }
.ring-bg, .ring-fg {
  fill: none;
  stroke-width: 14;
  stroke-linecap: round;
}
.ring-bg { stroke: #fff; opacity: 0.7; }
.ring-fg {
  stroke: url(#ring-grad);
  stroke: var(--purple);
  transition: stroke-dashoffset 0.6s cubic-bezier(.4,0,.2,1);
}
.ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.ring-current {
  font-size: 48px;
  font-weight: 800;
  color: var(--purple);
  line-height: 1;
}
.ring-unit {
  font-size: 16px;
  color: var(--gray);
  margin-top: 4px;
}
.ring-target {
  font-size: 13px;
  color: var(--gray);
  margin-top: 8px;
}

/* 打卡按钮 */
.drink-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 560px;
  margin: 0 auto;
}
.drink-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 18px 8px;
  background: #fff;
  border: 2px solid var(--line);
  border-radius: 16px;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}
.drink-btn:hover {
  border-color: var(--purple);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(133, 91, 232, 0.18);
}
.drink-amount {
  font-size: 28px;
  font-weight: 800;
  color: var(--purple);
  line-height: 1;
}
.drink-unit {
  font-size: 12px;
  color: var(--gray);
  margin-top: 2px;
}
.drink-label {
  font-size: 11px;
  color: var(--gray);
  margin-top: 4px;
}
.drink-300 .drink-amount { color: var(--cyan); }
.drink-300:hover { border-color: var(--cyan); box-shadow: 0 8px 20px rgba(0, 182, 216, 0.18); }
.drink-500 .drink-amount { color: #2ecc71; }
.drink-500:hover { border-color: #2ecc71; box-shadow: 0 8px 20px rgba(46, 204, 113, 0.18); }

/* 内容卡片区 */
.water-section { padding: 40px 0 60px; }
.water-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}
.water-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.water-card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 16px;
  padding-left: 10px;
  border-left: 3px solid var(--purple);
}

/* 今日摘要 */
.water-today-summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
  padding: 16px 0;
  background: var(--purple-soft);
  border-radius: 12px;
}
.wts-item { text-align: center; }
.wts-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--purple);
}
.wts-label { font-size: 11px; color: var(--gray); margin-top: 2px; }

/* 打卡日志 */
.water-log {
  list-style: none;
  max-height: 280px;
  overflow-y: auto;
}
.water-log li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.water-log li:last-child { border-bottom: none; }
.water-log-empty {
  display: block;
  text-align: center;
  color: var(--gray);
  padding: 30px 12px;
  border-bottom: none;
}
.water-log .log-time { color: var(--ink); }
.water-log .log-amount {
  background: var(--cyan-soft);
  color: var(--cyan);
  padding: 2px 10px;
  border-radius: 10px;
  font-weight: 600;
}
.water-log .log-del {
  background: transparent;
  border: none;
  color: var(--gray);
  cursor: pointer;
  font-size: 16px;
  padding: 0 6px;
}
.water-log .log-del:hover { color: #e74c3c; }

/* 本周统计柱状图 */
.week-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  height: 160px;
  padding: 12px 0;
  gap: 8px;
}
.week-bar {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 0;
}
.week-bar-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--purple), var(--cyan));
  border-radius: 6px 6px 0 0;
  min-height: 4px;
  transition: height 0.4s;
}
.week-bar.week-bar-today .week-bar-fill {
  background: linear-gradient(180deg, var(--cyan), #2ecc71);
}
.week-bar-label { font-size: 11px; color: var(--gray); }
.week-bar-value { font-size: 10px; color: var(--ink); font-weight: 600; }

.week-legend {
  display: flex;
  justify-content: space-between;
  padding: 12px 0 0;
  font-size: 13px;
  color: var(--gray);
  border-top: 1px solid var(--line);
}
.week-legend strong { color: var(--purple); font-size: 15px; }

/* 设置区 */
.water-card-settings { grid-column: span 1; }
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.setting-row:last-child { border-bottom: none; }
.setting-label { color: var(--ink); }
.setting-row input[type="number"] {
  width: 80px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  text-align: center;
}
.setting-row input[type="number"]:focus {
  outline: none;
  border-color: var(--purple);
}
.btn-toggle, .btn-danger {
  padding: 6px 14px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: none;
}
.btn-toggle {
  background: var(--cyan);
  color: #fff;
}
.btn-toggle.is-on { background: #2ecc71; }
.btn-danger {
  background: transparent;
  color: #e74c3c;
  border: 1px solid #e74c3c;
}
.btn-danger:hover { background: #e74c3c; color: #fff; }

/* 移动端 */
@media (max-width: 768px) {
  .water-grid { grid-template-columns: 1fr; }
  .drink-actions { grid-template-columns: 1fr 1fr; }
  .water-hero { padding: 40px 16px 30px; }
  .water-title { font-size: 24px; }
  .ring-wrap { width: 180px; height: 180px; }
  .ring-current { font-size: 36px; }
}