/* ============================================================
   绿建工具箱 — 全局样式表 v1.0
   ============================================================
   覆盖所有工具页面的共享CSS：按钮、表单、卡片、面板、
   步骤条、评分卡、表格、页脚、响应式等
   ============================================================ */

/* ====== CSS Variables ======
   严格依据《绿建工具箱品牌视觉识别系统 v1.0》
   主色：森林绿 #2D5A3D / 薄荷绿 #4CAF50
   辅助色：浅绿 #8BC34A / 深绿 #1B3A2A
   字体：思源黑体 / 阿里巴巴普惠体 / Inter / Segoe UI
   间距：8px 倍数系统；卡片圆角 8px；按钮圆角 6px
   阴影：0 2px 8px rgba(0,0,0,0.1)
   ====== */
:root {
  /* Primary green scale (森林绿 → 薄荷绿) */
  --g900: #2D5A3D;   /* 森林绿 Forest Green — Logo、标题、关键按钮 */
  --g800: #1B3A2A;   /* 深绿 Deep Green — 深色背景、正文强调 */
  --g700: #388E3C;   /* 主色悬停态 */
  --g600: #43A047;
  --g500: #4CAF50;   /* 薄荷绿 Mint Green — 强调、悬停、辅助按钮 */
  --g400: #66BB6A;
  --g300: #81C784;
  --g200: #A5D6A7;
  --g100: #C8E6C9;
  --g50:  #E8F5E9;

  /* Brand accent colors */
  --light-green: #8BC34A;  /* 辅助色 — 图标、标签 */
  --deep-green:  #1B3A2A;  /* 辅助色 — 深色背景 */

  /* Functional colors */
  --gold: #C79100; --gold-bg: #FFF8E1;
  --new: #FF6F00; --new-bg: #FFF3E0;
  --danger: #D32F2F; --danger-light: #FFCDD2;
  --warning: #F57C00; --warning-light: #FFE0B2;
  --success: #388E3C; --success-light: #C8E6C9;
  --info: #1976D2; --info-light: #BBDEFB;

  /* Neutral colors */
  --black: #000000;
  --gray900: #333333;  /* 正文 */
  --gray700: #616161;
  --gray600: #9E9E9E;  /* 中灰 — 禁用、辅助文字 */
  --gray500: #BDBDBD;
  --gray400: #D6D6D6;
  --gray200: #EEEEEE;
  --gray100: #F5F5F5;  /* 浅灰 — 背景、分割线 */
  --white: #FFFFFF;

  /* Radius & Shadow */
  --radius: 8px;      /* 卡片圆角 */
  --radius-sm: 6px;   /* 按钮圆角 */
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.10);
  --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 0.2s cubic-bezier(0.4,0,0.2,1);

  /* Legacy aliases for compatibility */
  --sub: var(--gray600);
  --primary: var(--g900);
  --primary-light: var(--g500);
  /* Legacy semantic aliases used by carbon / gb-standard-2024 / well-ap-tutorial
     (these pages reference the vars below without a fallback; keep them mapped to the brand palette).
     Pages that redefine any of these in their own <style> still win (loaded after this file). */
  --green: var(--g900);      /* 品牌森林绿 — 标题/正向强调 #2D5A3D */
  --green2: var(--g700);     /* 次级绿 — 链接/悬停 #388E3C */
  --light: var(--g50);       /* 浅绿底 — 小计行/浅色区块 #E8F5E9 */
  --red: var(--danger);      /* 警示红 — 超标/负向指标 #D32F2F */
}

/* ====== Reset & Base ====== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Source Han Sans','Source Han Sans CN','Alibaba PuHuiTi','Microsoft YaHei','PingFang SC','Inter','Segoe UI',-apple-system,sans-serif;
  background:var(--g50);color:var(--gray900);
  min-height:100vh;line-height:1.6;
  padding-bottom:48px;
  -webkit-font-smoothing:antialiased;
  font-variant-emoji:emoji;
}
a{color:var(--g700);text-decoration:none}
a:hover{color:var(--g500)}

/* ====== Layout Containers ====== */
.container{max-width:1100px;margin:0 auto;padding:0 24px}
.wrapper{max-width:1100px;margin:0 auto;padding:0 24px}

/* ====== Tool Header ====== */
.tool-header{
  background:linear-gradient(135deg,var(--g900),var(--g500));
  color:var(--white);padding:11px 24px;
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;box-shadow:0 2px 8px rgba(0,0,0,0.12);
  border-radius:10px 10px 0 0;min-height:48px;
}
.tool-header h1{font-size:18px;font-weight:700;white-space:nowrap}
.tool-header h1 span{font-size:12px;font-weight:400;opacity:0.75;margin-left:6px}
.tool-header .left{display:flex;align-items:center;gap:12px;flex-shrink:0}
.tool-header #headerRight{
  display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  flex-shrink:0;
}
.tool-header #headerRight > span,
.tool-header #headerRight > button{margin:0;vertical-align:middle}

/* ====== Auth Header Buttons（胶囊标签风格） ====== */
.auth-nav-btn,
#auth-login-btn,
#auth-logout-btn {
  padding:3px 12px;font-size:11px;font-weight:600;border:1.5px solid rgba(255,255,255,0.25);
  border-radius:20px;background:rgba(255,255,255,0.1);color:rgba(255,255,255,0.88);
  cursor:pointer;white-space:nowrap;transition:all 0.2s;
  font-family:inherit;line-height:1.5;letter-spacing:0.3px;
}
.auth-nav-btn:hover,
#auth-login-btn:hover,
#auth-logout-btn:hover {
  background:rgba(255,255,255,0.2);color:#fff;border-color:rgba(255,255,255,0.45);
}
#auth-user-area { display:none; }
#auth-user-area:not(.hidden) { display:inline-flex; }

/* Utility */
.hidden { display:none !important; }

/* Inline SVG icon helper (replaces emoji icons for cross-browser consistency) */
.icon-svg { display:inline-flex; align-items:center; justify-content:center; width:1em; height:1em; vertical-align:middle; margin-right:.2em; line-height:1; }
.icon-svg svg { width:100%; height:100%; display:block; }

/* ====== Tool Nav Bar（保留样式以兼容旧页面）====== */
.tool-nav{
  background:linear-gradient(180deg,hsla(134,56%,22%,0.92),hsla(134,56%,22%,0.78));
  color:rgba(255,255,255,0.9);
  border-radius:0 0 10px 10px;
  margin-bottom:20px;
  box-shadow:0 3px 6px rgba(0,0,0,0.1);
}
.tool-nav-inner{
  max-width:900px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;flex-wrap:wrap;
  padding:8px 24px;min-height:38px;
}
.tool-nav-inner > div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tool-nav #tool-user-info{font-size:12px;opacity:0.85;white-space:nowrap}
.tool-nav .sep{width:1px;height:16px;background:rgba(255,255,255,0.2);margin:0 4px}

/* ====== Shared Header (Homepage-style, all pages) ====== */
.header{
  background:linear-gradient(135deg,var(--g900),var(--g500));color:var(--white);
  position:sticky;top:0;z-index:100;
  box-shadow:0 2px 12px rgba(0,0,0,0.15);
  display:flex;align-items:center;gap:16px;padding:0 24px;height:60px;
}
.header-inner{
  width:100%;max-width:none;margin:0;padding:0 24px;
  height:60px;display:flex;align-items:center;gap:16px;
}
.header-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.header-logo svg,.header-logo img{width:32px;height:32px;flex-shrink:0}
.header-name{font-size:20px;font-weight:700;letter-spacing:0.5px}
.header-tagline{font-size:12px;font-weight:600;color:rgba(255,255,255,0.7);background:rgba(255,255,255,0.12);padding:3px 10px;border-radius:20px;white-space:nowrap;border:1px solid rgba(255,255,255,0.25);letter-spacing:0.3px}
.header-right{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto}


/* Tool sub-header (breadcrumb bar below main header) */
.tool-subheader{
  background:var(--green50,#f2f8f4);border-bottom:1px solid var(--gray200);
  padding:10px 24px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.tool-subheader h1{font-size:16px;font-weight:700;color:var(--gray900);margin:0}
.tool-subheader .back-link{font-size:13px;color:var(--gray600);text-decoration:none}
.tool-subheader .back-link:hover{color:var(--g700)}

@media (max-width:768px){
  .header{padding:0 16px;height:52px;gap:8px}
  .header-name{display:none}
  .header-inner{gap:10px}
}

@media (max-width:480px){
  .header-tagline{display:none}
}

/* ====== Tool Type Badge ====== */
.tool-type-badge{
  display:inline-block;font-size:11px;font-weight:600;
  padding:2px 10px;border-radius:12px;margin-left:8px;
  vertical-align:middle;letter-spacing:0.5px;
}
.tool-type-badge.type-calc{
  background:rgba(255,255,255,0.2);color:#C8E6C9;
}
.tool-type-badge.type-study{
  background:rgba(255,224,130,0.25);color:#FFE082;
}
.back-link{
  color:rgba(255,255,255,0.75);font-size:13px;
  transition:color var(--transition);
}
.back-link:hover{color:var(--white)}

/* ====== 弹窗模式隐藏 ====== */
.in-tool-modal .header-tagline{display:none}
.in-tool-modal body{padding-bottom:0}

/* ====== Toolbox Topbar (LEED App specific) ====== */
.toolbox-topbar{
  background:linear-gradient(135deg,var(--g900),var(--g500));
  color:var(--white);padding:10px 24px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.bar-title{font-size:18px;font-weight:700;display:flex;align-items:center;gap:8px}

/* ====== App Header (LEED App specific) ====== */
.app-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 24px;gap:12px;
  background:var(--green50,#f2f8f4);border-bottom:1px solid var(--gray200);
}

/* ====== User Info & Auth ====== */
.user-info{font-size:13px;opacity:0.85}
.user-area{display:flex;align-items:center;gap:8px}
.user-name{font-size:13px;font-weight:600}
.user-group{display:flex;align-items:center;gap:8px}
.btn-login,.btn-logout{
  padding:6px 16px;border-radius:20px;border:1px solid rgba(255,255,255,0.5);
  background:transparent;color:var(--white);font-size:13px;
  cursor:pointer;transition:all var(--transition);
}
.btn-login:hover,.btn-logout:hover{background:rgba(255,255,255,0.15)}

/* ====== Buttons ====== */
.btn{
  display:inline-block;padding:10px 22px;border-radius:var(--radius-sm);
  font-size:14px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all var(--transition);
  text-align:center;line-height:1.4;
}
.btn-primary{background:var(--g900);color:var(--white);border-color:var(--g900)}
.btn-primary:hover{background:var(--g700);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-outline{background:transparent;color:var(--g900);border-color:var(--g500)}
.btn-outline:hover{background:var(--g100);transform:translateY(-1px)}
.btn-secondary{background:var(--gray100);color:var(--gray900);border-color:var(--gray400)}
.btn-secondary:hover{background:var(--gray200);transform:translateY(-1px)}
.btn-success{background:var(--g500);color:var(--white);border-color:var(--g500)}
.btn-success:hover{background:var(--g700);transform:translateY(-1px)}
.btn-danger{background:var(--danger);color:var(--white);border-color:var(--danger)}
.btn-danger:hover{background:#B71C1C;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--gray600);border-color:transparent}
.btn-ghost:hover{color:var(--g700);background:var(--g100)}
.btn-sm{padding:6px 14px;font-size:13px;border-radius:6px}
.btn-group,.btn-bar,.btn-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn-group{margin-top:12px}
.btn-bar{margin:16px 0}

/* ====== Steps ====== */
.steps{
  display:flex;justify-content:center;gap:0;
  background:var(--white);border-bottom:1px solid var(--gray200);
  padding:0;overflow:hidden;
}
.step{
  flex:1;text-align:center;padding:16px 12px 12px;
  position:relative;cursor:pointer;
  transition:all var(--transition);
  color:var(--gray500);border-bottom:3px solid transparent;
}
.step.active{color:var(--g900);border-bottom-color:var(--g500)}
.step:hover{color:var(--g700)}
.step-num,.step-circle{
  width:32px;height:32px;border-radius:50%;
  background:var(--gray200);color:var(--gray500);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;margin-bottom:6px;
  transition:all var(--transition);
}
.step.active .step-num,.step.active .step-circle{background:var(--g900);color:var(--white)}
.step-label{font-size:13px;font-weight:500}

/* ====== Panels & Tabs ====== */
.panel{display:none;padding:28px 24px;background:var(--white);
  border:1px solid var(--gray200);border-top:none;border-radius:0 0 var(--radius) var(--radius);
}
.panel.active{display:block}
.tab-nav{display:flex;gap:4px;background:var(--gray100);padding:4px;
  border-radius:var(--radius-sm) var(--radius-sm) 0 0;
}
.tab-nav button,.tab-nav .tab-item{
  flex:1;padding:10px 16px;border:none;background:transparent;
  border-radius:6px;font-size:14px;cursor:pointer;
  transition:all var(--transition);color:var(--gray600);
}
.tab-nav button.active,.tab-nav .tab-item.active,
.tab-nav button:hover,.tab-nav .tab-item:hover{background:var(--white);color:var(--g900)}
.tab-icon{font-size:16px;margin-right:4px}
.tab-badge{font-size:11px;padding:1px 7px;border-radius:10px;background:var(--new-bg);color:var(--new);margin-left:6px}
.tab-panel{display:none;padding:24px;background:var(--white);
  border:1px solid var(--gray200);border-top:none;border-radius:0 0 var(--radius) var(--radius);
}
.tab-panel.active{display:block}

/* ====== Main Content ====== */
.main-content{padding:20px 24px;max-width:1100px;margin:0 auto}

/* ====== Forms ====== */
.form-group{margin-bottom:14px}
.form-group label,.form-label{display:block;font-size:13px;font-weight:600;color:var(--gray700);margin-bottom:4px}
.form-input,.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:10px 12px;border:1.5px solid var(--gray200);
  border-radius:var(--radius-sm);font-size:14px;
  transition:border-color var(--transition);
  font-family:inherit;outline:none;
}
.form-input:focus,.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  border-color:var(--g500);box-shadow:0 0 0 3px rgba(76,175,80,0.15);
}
.form-input-lg{padding:12px 16px;font-size:16px}
.form-hint{font-size:12px;color:var(--gray500);margin-top:3px}
.form-row{display:flex;gap:16px;flex-wrap:wrap}
.form-row .form-group{flex:1;min-width:200px}
.input-group{display:flex;align-items:center;gap:0}
.input-group input{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}
.input-suffix{
  padding:10px 14px;background:var(--gray100);border:1.5px solid var(--gray200);
  border-left:none;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:13px;color:var(--gray600);
}

/* ====== Row & Field Grid ====== */
.row{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.fg{flex:1;min-width:160px}
.fg label{display:block;font-size:13px;font-weight:600;color:var(--gray700);margin-bottom:4px}
.fg input,.fg select,.fg textarea{width:100%;padding:10px 12px;
  border:1.5px solid var(--gray200);border-radius:var(--radius-sm);
  font-size:14px;font-family:inherit;outline:none;
  transition:border-color var(--transition);
}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--g500)}
.hint{font-size:12px;color:var(--gray500);margin-left:4px}

/* ====== Cards ====== */
.card{
  background:var(--white);border:1.5px solid var(--gray200);
  border-radius:var(--radius);padding:24px;margin-bottom:16px;
  transition:all var(--transition);
}
.card:hover{border-color:var(--g500)}
.card-header{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:16px;padding-bottom:12px;
  border-bottom:1px solid var(--gray200);
}
.card-title{
  font-size:17px;font-weight:700;color:var(--g900);
  display:flex;align-items:center;gap:8px;
}
.card-title .icon{font-size:20px}

/* ====== Feature / Option / Check Cards ====== */
.feature-card,.option-card,.check-card{
  display:block;background:var(--white);border:2px solid var(--gray200);
  border-radius:var(--radius);padding:20px;
  cursor:pointer;transition:all var(--transition);
  text-decoration:none;color:inherit;
}
.feature-card:hover,.option-card:hover,.check-card:hover{
  border-color:var(--g500);box-shadow:var(--shadow);
}
.option-card.selected{border-color:var(--g500);background:var(--g50)}
.check-card .check-icon{font-size:20px;margin-bottom:8px}
.check-group{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}

/* ====== Credit Cards (LEED Readers) ====== */
.credit-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:12px;margin-bottom:20px;
}
.credit-card{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;background:var(--white);
  border:1.5px solid var(--gray200);border-radius:var(--radius-sm);
  transition:all var(--transition);text-decoration:none;color:inherit;
}
.credit-card:hover{
  border-color:var(--g500);transform:translateY(-2px);box-shadow:var(--shadow-hover);
}
.code{display:inline-flex;align-items:center;justify-content:center;
  min-width:52px;height:28px;border-radius:14px;
  font-size:12px;font-weight:700;flex-shrink:0;
}
.code.c{background:var(--g100);color:var(--g700)}
.code.p{background:#FFF3E0;color:#E65100}
.code.prereq{background:#FFF3E0;color:#E65100}
.code.credit{background:var(--g100);color:var(--g700)}
.code.other{background:var(--gray100);color:var(--gray600)}
.credit-card .info{flex:1;min-width:0}
.credit-card .zh{font-size:14px;font-weight:600;color:var(--gray900)}
.credit-card .en{font-size:12px;color:var(--gray500);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ====== Category Sections ====== */
.cat-section{margin-bottom:28px}
.cat-section h2{font-size:18px;font-weight:700;color:var(--g900);
  border-left:4px solid var(--g500);padding:4px 0 4px 12px;margin-bottom:14px}
.cat-title{font-size:17px;font-weight:700;color:var(--g900);margin-bottom:12px}
.cat-dot,.cat-score{font-size:14px;color:var(--gray600)}

/* ====== Hero (LEED Readers) ====== */
.hero{
  text-align:center;padding:32px 20px 24px;
  background:linear-gradient(135deg,var(--g900),var(--g500));
  color:var(--white);margin-bottom:24px;
}
.hero h1{font-size:22px;font-weight:700;margin-bottom:8px}
.hero .subtitle{font-size:14px;opacity:0.85;margin-bottom:8px}
.hero .note{font-size:12px;opacity:0.65}
/* ====== Hero Stats (LEED Readers) ====== */
.hero-stats{
  display:flex;justify-content:center;gap:20px;flex-wrap:wrap;
  padding:28px 20px;margin-bottom:24px;
  background:linear-gradient(135deg,var(--g100),var(--g50));
  border-radius:var(--radius);border:1px solid var(--gray200);
}
.stat-card{
  text-align:center;padding:16px 24px;
  background:var(--white);border-radius:var(--radius-sm);
  box-shadow:var(--shadow);min-width:100px;
}
.stat-card .num{font-size:32px;font-weight:800;color:var(--g900);line-height:1}
.stat-card .label{font-size:13px;color:var(--gray600);margin-top:6px}

/* ====== Stats Grid ====== */
.stats{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:20px;justify-content:center;padding:0 20px}
.stat-item{flex:1;text-align:center;padding:20px;
  background:linear-gradient(135deg,var(--g100),var(--white));
  border-radius:var(--radius);border:1px solid var(--gray200);min-width:120px}
.stat-num{font-size:36px;font-weight:800;color:var(--g900)}
.stat-label{font-size:13px;color:var(--gray600);margin-top:4px}

/* ====== Alerts ====== */
.alert{padding:14px 18px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px}
.alert-success{background:var(--success-light);color:var(--g900);border:1px solid var(--g200)}
.alert-warning{background:var(--warning-light);color:#E65100;border:1px solid #FFCC80}
.alert-danger{background:var(--danger-light);color:#B71C1C;border:1px solid #EF9A9A}
.alert-info{background:var(--info-light);color:#0D47A1;border:1px solid #90CAF9}

/* ====== Intro / Info / Highlight Boxes ====== */
.intro-box,.info-box,.highlight-box{
  background:var(--g50);border:1px solid var(--g100);
  border-radius:var(--radius);padding:20px 24px;margin-bottom:20px;
  font-size:14px;color:var(--gray700);line-height:1.7;
}
.info-box{background:var(--info-light);border-color:#90CAF9;color:#0D47A1}
.highlight-box{background:var(--warning-light);border-color:#FFCC80;color:#E65100}

/* ====== Empty State ====== */
.empty-state{
  text-align:center;padding:40px 20px;color:var(--gray400);
}
.empty-state .icon{font-size:40px;margin-bottom:10px;display:block}
.empty-state p{font-size:15px}

/* ====== Tables ====== */
/* -- plain/generic table base -- */
table{
  width:100%;border-collapse:collapse;margin:16px 0;
  font-size:14px;background:var(--white);border-radius:var(--radius-sm);
  overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,0.06);
}
table th{
  background:var(--g900);color:var(--white);padding:10px 14px;
  text-align:left;font-size:13px;font-weight:600;
  white-space:nowrap;
}
table td{
  padding:9px 14px;border-bottom:1px solid var(--gray200);
  vertical-align:top;
}
table tr:hover td{background:var(--g50)}
table a{color:var(--g700);text-decoration:none}
table a:hover{color:var(--g500);text-decoration:underline}
/* -- named table variants -- */
.results-table,.cost-table,.schedule-table{
  width:100%;border-collapse:collapse;margin:16px 0;
  font-size:14px;background:var(--white);border-radius:var(--radius-sm);
  overflow:hidden;box-shadow:var(--shadow);
}
.results-table th,.cost-table th,.schedule-table th{
  background:var(--g900);color:var(--white);padding:12px 14px;
  text-align:left;font-size:13px;font-weight:600;
}
.results-table td,.cost-table td,.schedule-table td{
  padding:10px 14px;border-bottom:1px solid var(--gray200);
}
.results-table tr:hover td,.cost-table tr:hover td,.schedule-table tr:hover td{
  background:var(--g50);
}
.total-row,.tot-row,.total{font-weight:700;background:var(--g50)}
.total-row td,.tot-row td,.total td{border-top:2px solid var(--g500);color:var(--g900)}
.schedule-table caption{font-size:15px;font-weight:700;padding:10px 14px;
  text-align:left;background:var(--g50);color:var(--g900);
  border-bottom:2px solid var(--g500)}
.schedule-table tfoot td{font-size:12px;color:var(--gray600);font-style:italic;
  background:var(--gray50);padding:10px 14px;border-top:1px solid var(--gray200)}
.schedule-table .cn{font-size:13px;font-weight:400;color:var(--gray600)}

/* ====== Score Cells (Scorecard) ====== */
.score-grid,.check-grid{display:flex;flex-direction:column;gap:6px}
.score-cell{display:flex;align-items:center;gap:10px;padding:8px 12px;
  background:var(--white);border:1px solid var(--gray200);border-radius:6px}
.score-cell-header{font-weight:700;font-size:13px;min-width:80px}
.score-cell-name{flex:1;font-size:14px}
.score-cell-value{font-weight:700;min-width:50px;text-align:right}
.score-cell-max{color:var(--gray500);font-size:12px;min-width:40px;text-align:right}
.score-cell-bar{flex:1;height:6px;background:var(--gray200);border-radius:3px;overflow:hidden}
.score-cell-fill{height:100%;background:var(--g500);border-radius:3px;transition:width 0.4s ease}
.score-cell-pct{font-size:11px;color:var(--gray500);min-width:40px;text-align:right}
.score-display{font-size:28px;font-weight:800}
.score-display.good{color:var(--g700)}
.score-display.mid{color:var(--gold)}
.score-display.low{color:var(--danger)}

/* ====== Version Select ====== */
.version-select{display:flex;gap:8px;margin:16px 0}
.version-btn{
  padding:8px 18px;border:1.5px solid var(--gray400);border-radius:20px;
  background:var(--white);font-size:14px;cursor:pointer;
  transition:all var(--transition);color:var(--gray600);
}
.version-btn:hover{border-color:var(--g700);color:var(--g700)}
.version-btn.selected{background:var(--g900);color:var(--white);border-color:var(--g900)}

/* ====== Scenario Selector ====== */
.scenario-selector{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.scenario-chip{
  padding:8px 18px;border:1.5px solid var(--gray400);border-radius:20px;
  background:var(--white);font-size:13px;cursor:pointer;
  transition:all var(--transition);color:var(--gray600);
}
.scenario-chip:hover,.scenario-chip.active{border-color:var(--g500);color:var(--g700);background:var(--g100)}

/* ====== Status Group / Status Btn ====== */
.status-group{display:flex;gap:8px;flex-wrap:wrap}
.status-btn{
  padding:6px 14px;border:1.5px solid var(--gray400);border-radius:20px;
  background:var(--white);font-size:13px;cursor:pointer;
  transition:all var(--transition);color:var(--gray600);
}
.status-btn:hover{border-color:var(--g500);color:var(--g700)}
.status-btn.selected-Y,.status-btn.met{background:var(--g100);color:var(--g700);border-color:var(--g500)}
.status-btn.selected-N,.status-btn.pend{background:#FFEBEE;color:var(--danger);border-color:#EF9A9A}
.status-btn.selected-query{background:var(--warning-light);color:var(--warning);border-color:#FFCC80}

/* ====== System Grid (Fee calculator) ====== */
.system-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px;margin:16px 0}
.system-card{
  padding:20px;background:var(--white);border:2px solid var(--gray200);
  border-radius:var(--radius);cursor:pointer;text-align:center;
  transition:all var(--transition);
}
.system-card:hover,.system-card.selected{border-color:var(--g500);background:var(--g50)}
.sys-icon{font-size:32px;margin-bottom:8px}
.sys-name{font-size:16px;font-weight:600;color:var(--g900)}
.sys-name-en{font-size:12px;color:var(--gray500);margin-top:2px}
.sys-check{font-size:20px;color:var(--g500);margin-top:8px}

/* ====== Fee Schedule ====== */
.card.fee-schedule{padding:0;overflow:hidden}
.fee-schedule .card-title{padding:12px 20px;background:var(--g50);border-bottom:1px solid var(--gray200)}
.fee-schedule #feeScheduleContent{padding:0 20px 20px}
.fee-schedule .fee-amount{font-size:24px;font-weight:800;color:var(--g900)}
.fee-schedule .fee-label{font-size:13px;color:var(--gray600)}
.fee-schedule .fee-value{font-size:16px;font-weight:600}
.fee-schedule .fee-sub{font-size:13px;color:var(--gray500)}
.fee-note{font-size:12px;color:var(--gray500);margin-top:4px}
.discount-note{font-size:12px;color:var(--gold);margin-top:4px}
.tier-member{color:var(--g700);font-weight:600}
.tier-nonmember{color:var(--gray500)}
.fixed-fees-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-top:12px}
.fixed-fee-item{text-align:center;padding:14px;background:var(--g50);border-radius:var(--radius-sm)}

/* ====== Progress Bar ====== */
.progress-bar-wrap{height:8px;background:var(--gray200);border-radius:4px;overflow:hidden;margin:8px 0}
.progress-bar-fill{height:100%;background:var(--g500);border-radius:4px;transition:width 0.5s ease}

/* ====== Material Selector ====== */
.mat-cats{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.mat-cats button{
  padding:6px 14px;border:1px solid var(--gray400);border-radius:16px;
  background:var(--white);font-size:13px;cursor:pointer;
  transition:all var(--transition);
}
.mat-cats button.active,.mat-cats button:hover{background:var(--g100);border-color:var(--g500);color:var(--g700)}
.mat-selector{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.mat-selector select,.mat-selector input{width:auto}

/* ====== Optimization Panel ====== */
.option-group{margin-bottom:20px}
.option-group h4{font-size:15px;font-weight:700;margin-bottom:10px}
.opt-panel{padding:20px;background:var(--white);border:1px solid var(--gray200);border-radius:var(--radius);margin-bottom:16px}
.opt-title{font-size:18px;font-weight:700;color:var(--g900)}
.opt-target{font-size:14px;color:var(--gray600);margin-bottom:12px}
.opt-summary{display:flex;gap:20px;flex-wrap:wrap;margin-top:12px}
.opt-result{font-weight:700;color:var(--g700)}
.opt-sub{font-size:12px;color:var(--gray500)}
.opt-buffer{padding:4px 10px;border-radius:12px;font-size:12px;background:var(--warning-light);color:var(--warning)}

/* ====== Project List ====== */
.proj-item{display:flex;align-items:center;gap:12px;padding:10px 14px;
  background:var(--white);border:1px solid var(--gray200);border-radius:var(--radius-sm);
  margin-bottom:8px;transition:all var(--transition);
}
.proj-item:hover{border-color:var(--g500)}
.project-badge{font-size:12px;padding:3px 10px;border-radius:10px;background:var(--g100);color:var(--g700);font-weight:600}
.proj-del{cursor:pointer;color:var(--danger);font-size:13px;margin-left:auto}
.proj-del:hover{color:#B71C1C}

/* ====== Tags & Badges ====== */
.tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:10px;font-weight:600}
.tag-green{background:var(--g100);color:var(--g700)}
.tag-yellow{background:var(--gold-bg);color:var(--gold)}
.level-badge{display:inline-block;font-size:12px;padding:3px 10px;border-radius:10px;font-weight:600}
.level-badge.platinum{background:#E8EAF6;color:#283593}
.level-badge.gold{background:var(--gold-bg);color:var(--gold)}
.level-badge.silver{background:var(--gray100);color:var(--gray600)}
.level-badge.certified{background:var(--g100);color:var(--g700)}

/* ====== Tool Footer ====== */
.tool-footer{
  display:flex;gap:24px;flex-wrap:wrap;
  justify-content:center;
  padding:28px 24px;background:var(--gray100);
  border-top:2px solid var(--gray200);margin-top:32px;
  max-width:1100px;margin-left:auto;margin-right:auto;
}
.tool-footer .f-col{flex:1;min-width:200px}
.tool-footer .f-col h4{font-size:14px;font-weight:700;color:var(--gray700);margin-bottom:8px}
.tool-footer .f-col ul{list-style:none}
.tool-footer .f-col li{font-size:13px;color:var(--gray600);line-height:1.8}
.footer-grid{display:flex;gap:24px;flex-wrap:wrap;max-width:1100px;margin:0 auto;width:100%}
.footer-col{flex:1;min-width:180px}
.footer-col h4{font-size:14px;color:var(--gray700);margin-bottom:8px}
.footer-col p,.footer-col ul{font-size:13px;color:var(--gray600);line-height:1.8;list-style:none}
.footer-bottom{text-align:center;padding:16px;font-size:12px;color:var(--gray400);border-top:1px solid var(--gray200);max-width:1100px;margin:0 auto;width:100%}
.footer-content{max-width:1100px;margin:0 auto;padding:0 20px}
.footer-contact{list-style:none;padding:0}
.footer-contact li{font-size:13px;color:var(--gray600);line-height:1.8}
.footer-contact p{line-height:1.8;font-size:13px;color:var(--gray600)}

/* ====== Report Preview ====== */
.report-preview{
  padding:20px;background:var(--white);border:1px solid var(--gray200);
  border-radius:var(--radius);margin-top:16px;font-size:14px;
}

/* ====== Chart Container ====== */
.chart-container{position:relative;width:100%;min-height:300px;margin:16px 0}
.chart-container canvas{max-width:100%}

/* ====== Conversion Table ====== */
.conversion{font-size:13px;color:var(--gray500);margin-top:8px}

/* ====== Cover (LEED flashcard) ====== */
.cover{text-align:center;padding:32px}

/* ====== Toast ====== */
.toast{
  position:fixed;bottom:32px;left:50%;transform:translateX(-50%);z-index:200;
  background:var(--gray900);color:var(--white);padding:12px 24px;border-radius:var(--radius-sm);
  font-size:14px;box-shadow:var(--shadow-hover);white-space:nowrap;
  opacity:0;pointer-events:none;transition:opacity 0.3s ease;
}
.toast.show{opacity:1;pointer-events:auto}

/* ====== Modal ====== */
.modal-overlay{
  position:fixed;inset:0;z-index:150;
  background:rgba(0,0,0,0.45);display:flex;align-items:center;justify-content:center;
}
.modal{
  background:var(--white);border-radius:var(--radius);padding:28px 32px;
  max-width:480px;width:90%;box-shadow:0 16px 48px rgba(0,0,0,0.2);
}

/* ====== Result Cards ====== */
.result-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:16px 0}
.r-card{padding:18px;background:var(--white);border:1px solid var(--gray200);
  border-radius:var(--radius-sm);text-align:center}
.r-card.highlight{border-color:var(--g500);background:var(--g50)}
.r-card .value{font-size:28px;font-weight:800;color:var(--g900)}
.r-card .label{font-size:13px;color:var(--gray600);margin-top:4px}

/* ====== Score Badge ====== */
.score-badge{display:inline-block;font-size:14px;font-weight:700;padding:6px 14px;border-radius:20px}
.score-badge.platinum{background:#E8EAF6;color:#283593}
.score-badge.gold{background:var(--gold-bg);color:var(--gold)}
.score-badge.silver{background:var(--gray100);color:var(--gray600)}
.score-badge.certified{background:var(--g100);color:var(--g700)}

/* ====== Misc ====== */
.note{font-size:12px;color:var(--gray500);margin-top:6px}
.sep{width:100%;height:1px;background:var(--gray200);margin:16px 0}
.info-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.info-row .lbl{font-weight:600;min-width:80px;color:var(--gray700);font-size:13px}
.info-row .val{font-size:14px}
.title{font-size:20px;font-weight:700;color:var(--g900);margin-bottom:16px}
.subtitle{font-size:14px;color:var(--gray600);margin-bottom:20px}
.desc{font-size:15px;color:var(--gray600);margin-bottom:16px;line-height:1.7}
.area-ft{display:inline-block;font-size:12px;color:var(--gray500);white-space:nowrap}
.icon{display:inline-flex;align-items:center;justify-content:center}
.home{display:inline-flex;align-items:center;gap:6px;color:var(--gray600);font-size:13px;text-decoration:none;padding:6px 12px;border-radius:6px;transition:all .2s}.home:hover{color:var(--g700);background:var(--gray100)}.home::before{content:"";display:inline-block;width:6px;height:6px;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin-right:2px;flex-shrink:0}
.credit-list{list-style:none;padding:0;margin:0}
.credit-list li{padding:8px 0;border-bottom:1px solid var(--gray200);font-size:14px}
.credit-list.open{/* no special style needed, just a marker */}
.credit-row{display:flex;align-items:center;gap:12px;padding:8px 0;border-bottom:1px solid var(--gray200)}
.credit-row.prereq{background:var(--warning-light)}
.pts{font-weight:700}
.pts.req{color:var(--danger)}
.pend{color:var(--warning);font-weight:600}
.fail{color:var(--danger);font-weight:600}
.pts-label{font-size:12px;color:var(--gray500)}
.cat-score{font-weight:700}
.name{font-weight:600}
.num{font-weight:800}

/* ====== Site Footer (LEED readers) ====== */
.site-footer{
  text-align:center;padding:20px;
  font-size:12px;color:var(--gray400);
  border-top:1px solid var(--gray200);
}

/* ====== Responsive ====== */
@media(max-width:768px){
  .tool-header{padding:10px 14px;flex-direction:column;align-items:flex-start;gap:8px;border-radius:8px 8px 0 0}
  .tool-header h1{font-size:16px}
  .tool-header #headerRight{width:100%;gap:4px}
  .tool-nav-inner{flex-direction:column;align-items:flex-start;gap:6px;padding:8px 16px}
  .tool-nav-inner>div{width:100%;justify-content:flex-start}
  .credit-grid{grid-template-columns:1fr}
  .hero-stats{gap:12px;padding:16px}
  .stat-card{padding:12px 16px;min-width:80px}
  .stat-card .num{font-size:24px}
  .panel{padding:20px 16px}
  .steps{overflow-x:auto}
  .step{padding:12px 8px 8px;flex-shrink:0}
  .tool-footer{flex-direction:column;gap:16px;padding:20px 16px}
  .system-grid{grid-template-columns:repeat(2,1fr)}
  .result-cards{grid-template-columns:1fr}
  .check-group{grid-template-columns:repeat(2,1fr)}
  .row{flex-direction:column}
  .form-row{flex-direction:column}
  .btn-group,.btn-bar,.btn-row{flex-direction:column;align-items:stretch}
  .btn-group .btn,.btn-bar .btn,.btn-row .btn{width:100%}
}

@media(max-width:480px){
  .system-grid{grid-template-columns:1fr}
  .check-group{grid-template-columns:1fr}
}