/* 植物搭配顾问 - 样式表 (全局125%放大) */

* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 20px; }  /* 16px × 1.25 = 20px, 使所有 rem 字号自动放大 */
:root {
  --green: #2d6a4f;
  --green-light: #52b788;
  --green-pale: #d8f3dc;
  --green-bg: #f0faf3;
  --green-bright: #1b8c4a;
  --text: #1b2d22;
  --muted: #6b8f71;
  --border: #b7dfc0;
  --border-light: #d4d4d4;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(45,106,79,.12);
}
body { font-family: 'Segoe UI', 'PingFang SC', sans-serif; background: var(--green-bg); color: var(--text); min-height: 100vh; }

/* ─── Nav ─── */
nav { background: var(--green-bright); color: #fff; padding: 0 40px; display: flex; align-items: center; gap: 40px; height: 70px; }
nav h1 { font-size: 1.15rem; font-weight: 700; letter-spacing: .5px; }
.nav-tabs { display: flex; gap: 5px; margin-left: auto; }
.nav-tab { padding: 8px 22px; border-radius: 25px; cursor: pointer; font-size: .9rem; border: none; background: transparent; color: rgba(255,255,255,.75); transition: all .2s; }
.nav-tab.active, .nav-tab:hover { background: rgba(255,255,255,.2); color: #fff; }

/* ─── Layout ─── */
.page { display: none; max-width: 1500px; margin: 0 auto; padding: 35px 40px; }
.page.active { display: block; }

/* ─── Card ─── */
.card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 30px; margin-bottom: 25px; }
.card-title { font-size: 1rem; font-weight: 700; color: var(--green-bright); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }

/* ─── Form Grid ─── */
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.form-group label { display: block; font-size: .83rem; color: var(--muted); margin-bottom: 8px; font-weight: 600; }
.form-group select, .form-group input[type="number"] {
  width: 100%; padding: 11px 15px; border: 2px solid #ddd; border-radius: 10px;
  font-size: .95rem; color: #333; background: #f5f5f5; outline: none; transition: all .2s;
}
.form-group select:focus, .form-group input[type="number"]:focus { border-color: #1b8c4a; box-shadow: 0 0 0 5px rgba(27,140,74,.15); color: #333; background: #fff; }
.sel-has { border-color: #1b8c4a !important; background: #e8f5e9 !important; color: #1b8c4a !important; font-weight: 600; }

/* Compass */
.compass-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.compass { display: grid; grid-template-columns: repeat(3, 1fr); gap: 5px; width: 200px; }
.dir-btn { padding: 9px 0; border: 2px solid #ddd; border-radius: 10px; font-size: .85rem; cursor: pointer; background: #f5f5f5; color: #333; text-align: center; transition: all .2s; position: relative; }
.dir-btn:hover { border-color: #aaa; background: #eee; }
.dir-btn:active { transform: scale(.94); }
.dir-btn.center { background: var(--green-pale); border-color: transparent; cursor: default; font-size: .78rem; color: var(--muted); }
.dir-sel { background: #1b8c4a !important; color: #fff !important; border-color: #1b8c4a !important; transform: scale(1.12); box-shadow: 0 5px 20px rgba(27,140,74,.5); font-weight: 700; }
#selected-orientation { font-size: .8rem; color: var(--muted); }

/* Checkboxes */
.check-group { display: flex; flex-wrap: wrap; gap: 12px; }
.check-item { display: flex; align-items: center; gap: 8px; padding: 10px 20px; border: 2px solid #ddd; border-radius: 28px; cursor: pointer; font-size: .88rem; background: #f5f5f5; color: #333; transition: all .2s; user-select: none; }
.check-item:hover { border-color: #aaa; background: #eee; }
.check-item:active { transform: scale(.95); }
.check-sel { background: #1b8c4a !important; color: #fff !important; border-color: #1b8c4a !important; transform: scale(1.04); box-shadow: 0 4px 18px rgba(27,140,74,.5); font-weight: 700; }
.check-item input { display: none; }

/* Btn */
.btn { padding: 14px 35px; border-radius: 31px; border: none; cursor: pointer; font-size: .95rem; font-weight: 600; transition: all .2s cubic-bezier(.4,0,.2,1); }
.btn-primary { background: var(--green-bright); color: #fff; }
.btn-primary:hover { background: #15703b; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(27,140,74,.4); }
.btn-primary:active { transform: scale(.94); }
.btn-danger { background: #dc3545; color: #fff; padding: 8px 18px; font-size: .82rem; border-radius: 28px; }
.btn-secondary { background: #fff; color: var(--green); border: 1.5px solid var(--green-light); padding: 8px 20px; font-size: .85rem; border-radius: 28px; }
.btn-secondary:hover { background: var(--green-pale); }

/* ─── Slider ─── */
.slider-row { display: flex; align-items: center; gap: 12px; }
.slider-row input[type="range"] { flex: 1; accent-color: var(--green-bright); height: 8px; }
.slider-val { min-width: 65px; font-weight: 700; color: var(--green); text-align: right; }

/* ─── Results ─── */
#results { display: none; }
.results-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.results-header h2 { font-size: 1.1rem; color: var(--green); }
#advice-card, #budget-card { margin-bottom: 20px; }
#advice-card .card-title, #budget-card .card-title { font-size: .92rem; font-weight: 700; color: var(--green-bright); margin-bottom: 12px; }
.badge { display: inline-block; padding: 4px 12px; border-radius: 15px; font-size: .78rem; font-weight: 600; }
.badge-green { background: var(--green-pale); color: var(--green); }

.plant-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.plant-card {
  background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; border: 1.5px solid var(--border); transition: transform .2s, box-shadow .2s;
}
.plant-card:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(45,106,79,.18); }
.plant-head { padding: 20px; display: flex; align-items: flex-start; gap: 15px; }
.plant-emoji { width: 65px; height: 65px; border-radius: 12px; background: var(--green-pale); display: flex; align-items: center; justify-content: center; font-size: 1.7rem; flex-shrink: 0; }
.plant-name { font-size: 1.05rem; font-weight: 700; }
.plant-latin { font-size: .76rem; color: var(--muted); font-style: italic; }
.plant-meta { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.tag { padding: 3px 10px; border-radius: 10px; font-size: .72rem; background: var(--green-pale); color: var(--green); }
.plant-score { margin-left: auto; text-align: right; }
.score-num { font-size: 1.5rem; font-weight: 800; color: var(--green); }
.score-label { font-size: .7rem; color: var(--muted); }
.plant-body { padding: 0 20px 20px; border-top: 1px solid var(--border); padding-top: 15px; }
.plant-qty { font-size: .88rem; margin-bottom: 10px; }
.plant-qty strong { color: var(--green); font-size: 1.1rem; }
.plant-reasons { font-size: .82rem; color: #374930; line-height: 1.6; }
.plant-reasons li { list-style: none; padding-left: 18px; position: relative; }
.plant-reasons li::before { content: '✓'; position: absolute; left: 0; color: var(--green-light); }
.plant-warning { font-size: .8rem; color: #b5510a; background: #fff3e0; border-radius: 8px; padding: 8px 12px; margin-top: 10px; }
.plant-desc { font-size: .82rem; color: var(--muted); margin-top: 10px; }
.plant-care { font-size: .8rem; color: #476155; background: var(--green-pale); border-radius: 8px; padding: 8px 12px; margin-top: 10px; }

/* Advice */
.advice-list { display: flex; flex-direction: column; gap: 10px; }
.advice-item { padding: 12px 18px; background: var(--green-pale); border-radius: 10px; font-size: .88rem; line-height: 1.6; border-left: 4px solid var(--green-light); }

/* Score bar */
.score-bar { height: 6px; border-radius: 3px; background: var(--border); margin-top: 8px; overflow: hidden; }
.score-bar-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--green-light), var(--green)); transition: width .5s ease; }

/* ─── Admin ─── */
.admin-toolbar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 20px; }
.admin-toolbar input { padding: 10px 18px; border: 1.5px solid var(--border); border-radius: 10px; font-size: .9rem; outline: none; min-width: 220px; }
.admin-toolbar input:focus { border-color: var(--green-light); }
.admin-toolbar select { padding: 10px 15px; border: 1.5px solid var(--border); border-radius: 10px; font-size: .9rem; outline: none; }
.plant-table { width: 100%; border-collapse: collapse; font-size: .88rem; }
.plant-table th { text-align: left; padding: 12px 15px; background: var(--green-pale); color: var(--green); font-weight: 700; border-bottom: 2px solid var(--border); }
.plant-table td { padding: 12px 15px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.plant-table tr:hover td { background: #f8fef9; }
.care-badge { padding: 3px 10px; border-radius: 8px; font-size: .75rem; font-weight: 600; }
.care-easy { background: #d4edda; color: #1a6b2d; }
.care-medium { background: #fff3cd; color: #7a5500; }
.care-hard { background: #fde8e8; color: #a02020; }

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 100; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: #fff; border-radius: 18px; padding: 35px; width: 92%; max-width: 700px; max-height: 90vh; overflow-y: auto; box-shadow: 0 10px 50px rgba(0,0,0,.2); }
.modal h3 { font-size: 1.1rem; margin-bottom: 22px; color: var(--green); }
.modal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.modal-grid .full { grid-column: 1 / -1; }
.modal-group label { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.modal-group input, .modal-group select, .modal-group textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 10px;
  font-size: .9rem; outline: none;
}
.modal-group input:focus, .modal-group select:focus, .modal-group textarea:focus { border-color: var(--green-light); }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 25px; }

/* Loading */
.loading { text-align: center; padding: 50px; color: var(--muted); font-size: .95rem; }
.spinner { display: inline-block; width: 35px; height: 35px; border: 4px solid var(--green-pale); border-top-color: var(--green); border-radius: 50%; animation: spin .8s linear infinite; margin-bottom: 12px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty */
.empty-state { text-align: center; padding: 75px 25px; color: var(--muted); }
.empty-state .icon { font-size: 3rem; margin-bottom: 15px; }

/* Stats bar */
.stats-row { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 25px; }
.stat-box { background: #fff; border-radius: 12px; padding: 18px 25px; box-shadow: var(--shadow); flex: 1; min-width: 120px; text-align: center; border: 1.5px solid var(--border); }
.stat-num { font-size: 1.6rem; font-weight: 800; color: var(--green); }
.stat-label { font-size: .77rem; color: var(--muted); }

/* ─── Emoji 选择器 ─── */
.emoji-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.emoji-opt { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; border: 2px solid #ddd; border-radius: 10px; cursor: pointer; background: #f5f5f5; transition: all .15s; }
.emoji-opt:hover { border-color: #aaa; background: #eee; transform: scale(1.1); }
.emoji-sel { border-color: #43a047 !important; background: #a5d6a7 !important; transform: scale(1.15); box-shadow: 0 3px 10px rgba(67,160,71,.3); }

/* ─── 多选网格（房间/朝向/标签） ─── */
.room-check-grid, .tag-check-grid { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.check-grid-item { padding: 8px 18px; border: 2px solid #ddd; border-radius: 25px; cursor: pointer; font-size: .85rem; background: #f5f5f5; color: #333; transition: all .15s; user-select: none; }
.check-grid-item:hover { border-color: #aaa; background: #eee; }
.chk-grid-sel { border-color: #43a047 !important; background: #a5d6a7 !important; color: #1b5e20 !important; font-weight: 700; box-shadow: 0 3px 10px rgba(67,160,71,.25); }

/* ─── 响应式 ─── */
@media (max-width: 1100px) {
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .plant-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .page { padding: 24px 20px; }
  .form-row { grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
  .modal-grid { grid-template-columns: 1fr; }
}
@media (max-width: 750px) {
}
@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
  .plant-grid { grid-template-columns: 1fr; }
  .page { padding: 16px 12px; }
  .nav-tabs { gap: 0; }
  .nav-tab { padding: 8px 12px; font-size: .8rem; }
  .compass { width: 150px; }
  .dir-btn { padding: 6px 0; font-size: .75rem; }
  .stats-row { flex-direction: column; }
  .stat-box { min-width: auto; }
}