/* ===== 装修工期概算系统 - 移动端优先样式 =====
 * 视觉方向：商业装修工程工具——图纸灰白底、工程蓝主色、进度橙强调
 */
:root {
  --bg: #F4F6F8;
  --card: #FFFFFF;
  --ink: #22303C;
  --ink-2: #6B7A88;
  --line: #E3E8ED;
  --blue: #2B5C8F;
  --blue-soft: #E8EFF6;
  --orange: #E8871E;
  --orange-soft: #FDF1E3;
  --teal: #1E7E6E;
  --teal-soft: #E4F2EF;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(34, 48, 60, 0.06);
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.5;
}

.page {
  max-width: 520px;
  margin: 0 auto;
  padding: 20px 16px 96px; /* 底部留出固定操作栏高度 */
  min-height: 100vh;
}

/* ===== 页头 ===== */
.page-head {
  padding: 8px 0 4px;
}
.page-head h1 {
  margin: 0 0 4px;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.page-head .sub {
  margin: 0;
  font-size: 13px;
  color: var(--ink-2);
}

/* ===== 卡片 ===== */
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-top: 14px;
}
.card-title {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 6px;
}
.card-title::before {
  content: "";
  width: 4px;
  height: 14px;
  border-radius: 2px;
  background: var(--blue);
  flex: none;
}

/* ===== 表单 ===== */
.field { margin-bottom: 16px; }
.field:last-child { margin-bottom: 4px; }
.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}
.field .hint {
  display: block;
  font-size: 12px;
  color: var(--ink-2);
  margin-top: 4px;
  line-height: 1.5;
}
.field .hint a {
  color: var(--blue);
  text-decoration: underline;
  font-weight: 600;
}
.field select,
.field input[type="number"] {
  width: 100%;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #FBFCFD;
  color: var(--ink);
  font-size: 16px; /* ≥16px 防 iOS 聚焦缩放 */
  padding: 0 12px;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  transition: border-color 0.15s;
}
.field select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7A88' stroke-width='1.6' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
}
.field select:focus,
.field input[type="number"]:focus {
  border-color: var(--blue);
}
.field select option {
  color: var(--ink);
}

/* ===== 底部固定操作栏 ===== */
.actions {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  background: rgba(244, 246, 248, 0.96);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.actions .inner {
  max-width: 488px;
  margin: 0 auto;
  display: flex;
  gap: 10px;
}

/* ===== 按钮 ===== */
.btn {
  flex: 1;
  height: 48px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.08s, opacity 0.15s;
  touch-action: manipulation;
  text-decoration: none;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--blue);
  color: #fff;
}
.btn-ghost {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
}
/* 中间酒店按钮（三个一排的中间位）：左右让位，中间更宽 */
.btn-hotel {
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 13px;
  line-height: 1.25;
  padding: 0 6px;
  flex: 1.32;
}
/* 结果页左右按钮略小，位置让给中间酒店按钮 */
#resetBtn,
#modifyBtn {
  flex: 0.84;
  font-size: 15px;
}
.btn-block { width: 100%; }

/* ===== 结果页：品字形 ===== */
.result-hero {
  text-align: center;
  padding: 28px 16px 6px;
}
.result-hero .kicker {
  font-size: 13px;
  color: var(--ink-2);
  margin: 0 0 6px;
  letter-spacing: 1px;
}
.result-hero h2 {
  margin: 0 0 18px;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

/* 第一排：预计工期 */
.pin-top {
  margin: 0 0 14px;
}
.pin-top .num-card {
  background: linear-gradient(180deg, #F5A241, var(--orange));
  color: #fff;
  border-radius: 16px;
  padding: 24px 16px;
  box-shadow: 0 6px 16px rgba(232, 135, 30, 0.28);
  text-align: center;
}
.pin-top .num-card .label {
  font-size: 14px;
  font-weight: 600;
  opacity: 0.95;
  margin-bottom: 4px;
}
.pin-top .num-card .value {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 1px;
}
.pin-top .num-card .unit {
  font-size: 15px;
  font-weight: 600;
  margin-left: 4px;
}

/* 第二排：左总概算 右每平米概算 */
.pin-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.pin-row .num-card {
  border-radius: 14px;
  padding: 18px 12px;
  text-align: center;
}
.pin-row .num-card.total {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 5px 14px rgba(43, 92, 143, 0.25);
}
.pin-row .num-card.per {
  background: var(--teal);
  color: #fff;
  box-shadow: 0 5px 14px rgba(30, 126, 110, 0.25);
}
.pin-row .num-card .label {
  font-size: 13px;
  font-weight: 600;
  opacity: 0.95;
  margin-bottom: 6px;
}
.pin-row .num-card .value {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  word-break: break-all;
}
.pin-row .num-card .unit {
  font-size: 12px;
  font-weight: 600;
  margin-left: 2px;
  opacity: 0.9;
}

/* 已选条件回显 */
.summary-line {
  font-size: 13px;
  color: var(--ink-2);
  text-align: center;
  margin: 14px 0 0;
}

/* ===== 说明文案 ===== */
.notes {
  font-size: 15px;
  color: var(--ink-2);
}
.notes p { margin: 0 0 8px; }
.notes p:last-child { margin-bottom: 0; }
.notes strong { color: var(--ink); }

/* ===== 管理端 ===== */
.admin-login {
  padding-top: 40px;
  text-align: center;
}
.admin-login .lock-icon {
  font-size: 34px;
  margin-bottom: 8px;
}
.admin-login h1 {
  font-size: 20px;
  margin: 0 0 6px;
}
.admin-login p {
  font-size: 13px;
  color: var(--ink-2);
  margin: 0 0 20px;
}
.msg {
  font-size: 13px;
  margin-top: 10px;
  text-align: center;
}
.msg.err { color: #C0392B; }
.msg.ok { color: var(--teal); }

.param-group {
  margin-top: 14px;
}
.param-group .group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.param-group h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}
.param-group .tag {
  font-size: 12px;
  color: var(--ink-2);
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 20px;
}
.param-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.param-item {
  background: #FBFCFD;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
}
.param-item.full { grid-column: 1 / -1; }
.param-item .p-label {
  display: block;
  font-size: 12px;
  color: var(--ink-2);
  margin-bottom: 6px;
}
.param-item .p-value {
  display: flex;
  align-items: center;
  gap: 6px;
}
.param-item input {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 15px;
  color: var(--ink);
  padding: 0 10px;
  outline: none;
}
.param-item input:focus { border-color: var(--blue); }

/* 分段行（面积） */
.band-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
  align-items: end;
}
.band-row .p-label { font-size: 12px; color: var(--ink-2); margin-bottom: 4px; }
.band-row input {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 15px;
  padding: 0 10px;
  outline: none;
}
.band-row input:focus { border-color: var(--blue); }

.band-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.band-actions button {
  flex: 1;
  height: 40px;
  border-radius: 10px;
  border: 1px dashed var(--line);
  background: #fff;
  font-size: 14px;
  color: var(--blue);
  cursor: pointer;
}
.band-actions button:active { opacity: 0.8; }

.admin-section-title {
  font-size: 16px;
  font-weight: 800;
  margin: 26px 0 2px;
  padding-left: 10px;
  border-left: 4px solid var(--blue);
}
.admin-tip {
  font-size: 12px;
  color: var(--ink-2);
  margin: 4px 0 0 10px;
}

/* ===== 安全区 / 通用 ===== */
.muted { color: var(--ink-2); }
.center { text-align: center; }
.small { font-size: 13px; }
.hidden { display: none !important; }

@media (min-width: 560px) {
  .page { padding-top: 32px; }
  .num-card { transition: transform 0.15s; }
}