/* ── 設計語言：極簡風 MUJI 風格 ────────────────────────────
   米白底、低飽和暖土色主色、細邊框、大量留白
   ─────────────────────────────────────────────────────── */
:root {
  --coral:#B5714A;
  --coral-dark:#8F5434;
  --coral-light:#F5EDE6;
  --navy:#2C2C2C;
  --text:#3A3A3A;
  --muted:#8A8A8A;
  --bg:#F7F4F0;
  --card:#FDFCFA;
  --border:#E2DDD8;
  --success:#5A8A6A;
  --danger:#A05050;
  --warn:#A07840;
  --info:#4A708A;
  --shadow:0 1px 8px rgba(0,0,0,.06);
  --shadow-md:0 3px 20px rgba(0,0,0,.09);
  --radius:12px;
  --radius-sm:8px;
  --radius-lg:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--coral);text-decoration:none}
a:hover{color:var(--coral-dark)}

/* ── Inputs ─────────────────────────────────────────────── */
input,select,textarea{
  width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);
  font-size:15px;outline:none;font-family:inherit;background:#fff;color:var(--text);
  transition:border-color .15s,box-shadow .15s
}
input:focus,select:focus,textarea:focus{border-color:var(--coral);box-shadow:0 0 0 3px rgba(255,87,51,.12)}
input::placeholder,textarea::placeholder{color:#B0B0C0}

/* ── Buttons ─────────────────────────────────────────────── */
button{cursor:pointer;font-family:inherit;font-size:15px;border:none;border-radius:var(--radius-sm);padding:12px 24px;transition:all .15s;font-weight:600}
.btn-primary{background:var(--coral);color:#fff;box-shadow:0 2px 8px rgba(181,113,74,.25)}
.btn-primary:hover{background:var(--coral-dark);transform:translateY(-1px);box-shadow:0 4px 12px rgba(181,113,74,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border:1.5px solid var(--coral);color:var(--coral)}
.btn-outline:hover{background:var(--coral-light)}
.btn-ghost{background:transparent;border:1.5px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--coral);color:var(--coral)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#C0392B}
.btn-success{background:var(--success);color:#fff}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:8px}
.btn-full{width:100%;margin-top:8px;justify-content:center}
.btn-pill{border-radius:50px}

/* ── TOP NAV ─────────────────────────────────────────────── */
.top-nav{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--border);
  display:flex;align-items:center;padding:0 32px;height:68px;
  box-shadow:0 1px 8px rgba(0,0,0,.06)
}
.top-nav .brand{font-size:1.25rem;font-weight:800;color:var(--navy);display:flex;align-items:center;gap:8px}
.top-nav .brand span{color:var(--coral)}
.top-nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.top-nav-links a{padding:8px 16px;border-radius:8px;font-weight:500;color:var(--text);font-size:14px}
.top-nav-links a:hover{background:var(--bg);color:var(--coral)}
.top-nav-links a.active{color:var(--coral);font-weight:600}

/* ── HERO ────────────────────────────────────────────────── */
.hero{
  background:linear-gradient(160deg,#F7F4F0 0%,#EDE8E2 100%);
  padding:72px 24px 60px;text-align:center;
  border-bottom:1px solid #DDD8D2
}
.hero-logo{
  width:300px;height:300px;display:block;
  margin:0 auto -32px;
  border-radius:50%;
  object-fit:cover;
  mix-blend-mode:multiply;
}
.hero h1{font-size:clamp(1.6rem,4vw,2.6rem);font-weight:700;color:var(--navy);line-height:1.3;margin-bottom:14px;letter-spacing:-.01em}
.hero h1 em{color:var(--coral);font-style:normal}
.hero p{font-size:1rem;color:var(--muted);max-width:480px;margin:0 auto 32px;line-height:1.7}
.hero-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ── CATEGORY GRID ───────────────────────────────────────── */
.section{padding:56px 24px;max-width:1080px;margin:0 auto}
.section-heading{font-size:1.6rem;font-weight:800;color:var(--navy);margin-bottom:8px}
.section-sub{color:var(--muted);margin-bottom:32px;font-size:15px}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.cat-card{
  background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);
  padding:28px 20px;text-align:center;cursor:pointer;
  transition:all .2s;text-decoration:none;display:block;color:var(--text)
}
.cat-card:hover{border-color:var(--coral);box-shadow:var(--shadow-md);transform:translateY(-3px);background:var(--coral-light)}
.cat-card .cat-icon{font-size:2.4rem;margin-bottom:12px;display:block}
.cat-card .cat-name{font-size:1rem;font-weight:700;color:var(--navy)}
.cat-card .cat-desc{font-size:13px;color:var(--muted);margin-top:4px}

/* ── HOW IT WORKS ────────────────────────────────────────── */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;padding:56px 24px;max-width:1080px;margin:0 auto}
.step-num{width:44px;height:44px;background:var(--coral);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:800;margin:0 auto 16px}
.step h3{font-size:1rem;font-weight:700;margin-bottom:8px;color:var(--navy)}
.step p{font-size:14px;color:var(--muted);line-height:1.5}

/* ── AUTH ────────────────────────────────────────────────── */
body.auth-page{background:var(--bg);display:flex;flex-direction:column;min-height:100vh}
.auth-wrap{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 16px}
.auth-box{background:#fff;border-radius:var(--radius-lg);padding:44px 40px;width:100%;max-width:440px;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.auth-logo{font-size:1.4rem;font-weight:800;color:var(--navy);margin-bottom:4px}
.auth-logo span{color:var(--coral)}
.auth-box h2{font-size:1.5rem;font-weight:800;color:var(--navy);margin:20px 0 8px}
.auth-box p.sub{color:var(--muted);font-size:14px;margin-bottom:28px}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;margin-bottom:24px}
.back-link:hover{color:var(--coral)}
.auth-footer{text-align:center;margin-top:24px;color:var(--muted);font-size:14px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.error-msg{background:#FEF0EE;color:var(--danger);padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px;border-left:3px solid var(--danger)}
.success-msg{background:#EFF9F2;color:var(--success);padding:12px 16px;border-radius:var(--radius-sm);font-size:14px;margin-bottom:16px}
.demo-accounts{margin-top:28px;padding-top:24px;border-top:1px solid var(--border);text-align:center}
.demo-accounts p{font-size:12px;color:var(--muted);margin-bottom:12px;font-weight:500}
.demo-btns{display:flex;gap:8px;flex-wrap:wrap;justify-content:center}
.demo-btns button{font-size:12px;padding:6px 14px;background:#fff;border:1.5px solid var(--border);border-radius:50px;color:var(--text);font-weight:500}
.demo-btns button:hover{border-color:var(--coral);color:var(--coral)}

/* ── DASHBOARD LAYOUT ────────────────────────────────────── */
.layout{display:flex;min-height:100vh}
.sidebar{
  width:240px;background:#fff;flex-shrink:0;display:flex;flex-direction:column;
  position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:100;
  border-right:1px solid var(--border)
}
.sidebar-logo{padding:24px 20px;font-size:1.1rem;font-weight:800;color:var(--navy);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.sidebar-logo span{color:var(--coral)}
.sidebar-user{padding:16px 20px;border-bottom:1px solid var(--border)}
.sidebar-user strong{display:block;font-size:15px;color:var(--navy);font-weight:700}
.sidebar-user small{font-size:12px;color:var(--muted)}
.sidebar nav{flex:1;padding:12px 12px}
.sidebar nav a{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:var(--radius-sm);
  color:var(--muted);font-size:14px;font-weight:500;transition:all .15s;margin-bottom:2px
}
.sidebar nav a:hover{background:var(--bg);color:var(--text);text-decoration:none}
.sidebar nav a.active{background:var(--coral-light);color:var(--coral);font-weight:600}
.sidebar-bottom{padding:16px;border-top:1px solid var(--border)}
.sidebar-bottom button{
  width:100%;background:transparent;border:1.5px solid var(--border);color:var(--muted);
  font-size:13px;padding:9px;border-radius:var(--radius-sm);font-weight:500
}
.sidebar-bottom button:hover{border-color:var(--danger);color:var(--danger)}
.main-content{margin-left:240px;flex:1;padding:32px 36px;max-width:1100px}
.page-header{margin-bottom:28px}
.page-header h1{font-size:1.7rem;font-weight:800;color:var(--navy)}
.page-header p{color:var(--muted);margin-top:6px;font-size:14px}

/* ── STATS CARDS ─────────────────────────────────────────── */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:28px}
.stat-card{background:#fff;border-radius:var(--radius);padding:24px;border:1px solid var(--border);box-shadow:var(--shadow)}
.stat-card .val{font-size:2.2rem;font-weight:800;color:var(--navy);line-height:1}
.stat-card .label{font-size:13px;color:var(--muted);margin-top:6px}
.stat-card .icon{font-size:1.6rem;margin-bottom:12px}

/* ── CARDS ───────────────────────────────────────────────── */
.card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:24px;margin-bottom:16px;box-shadow:var(--shadow)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.card-header h3{font-size:1rem;font-weight:700;color:var(--navy)}

/* ── TABLE ───────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border-radius:var(--radius-sm)}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:13px}
th{background:#FAFAF8;font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
tr:last-child td{border-bottom:none}
tr:hover td{background:#FDFDF9}

/* ── BADGES ──────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;padding:3px 12px;border-radius:50px;font-size:12px;font-weight:600;white-space:nowrap}
.badge-blue{background:#EEF4FF;color:#3667CE}
.badge-green{background:#EDFBF2;color:#18843B}
.badge-orange{background:#FFF4E5;color:#C76A00}
.badge-red{background:#FEF0EE;color:#C0392B}
.badge-gray{background:#F2F2F2;color:#777}
.badge-cyan{background:#E3F7FA;color:#0891B2}

/* ── TOAST ───────────────────────────────────────────────── */
.toast{
  position:fixed;bottom:28px;right:28px;
  background:var(--navy);color:#fff;padding:14px 22px;
  border-radius:var(--radius-sm);font-size:14px;font-weight:500;
  z-index:9999;box-shadow:var(--shadow-md);
  animation:toastIn .3s ease
}
.toast.success{background:var(--success)}
.toast.error{background:var(--danger)}
@keyframes toastIn{from{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ── MODAL ───────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(26,26,46,.45);z-index:500;display:flex;align-items:center;justify-content:center;padding:16px;backdrop-filter:blur(2px)}
.modal{background:#fff;border-radius:var(--radius-lg);padding:32px;width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-md)}
.modal h3{font-size:1.2rem;font-weight:800;color:var(--navy);margin-bottom:20px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}

/* ── PROJECT CARDS ───────────────────────────────────────── */
.project-card{
  background:#fff;border-radius:var(--radius);border:1.5px solid var(--border);
  padding:20px 24px;margin-bottom:12px;cursor:pointer;
  transition:all .2s;box-shadow:var(--shadow)
}
.project-card:hover{box-shadow:var(--shadow-md);border-color:var(--coral);transform:translateY(-2px)}
.project-card .title{font-weight:700;font-size:15px;color:var(--navy);margin-bottom:8px}
.project-card .meta{font-size:12px;color:var(--muted);display:flex;gap:16px;flex-wrap:wrap}

/* ── PHASE TIMELINE ──────────────────────────────────────── */
.phases{margin-top:8px}
.phase-item{display:flex;gap:14px;margin-bottom:16px;align-items:flex-start}
.phase-dot{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;margin-top:2px}
.phase-dot.pending{background:#F2F2F2;color:#999;border:2px solid var(--border)}
.phase-dot.active{background:var(--coral);color:#fff}
.phase-dot.done{background:var(--success);color:#fff}
.phase-content .pname{font-weight:700;font-size:14px;color:var(--navy)}
.phase-content .pstatus{font-size:12px;color:var(--muted);margin-top:2px}

/* ── SERVICE GRID ────────────────────────────────────────── */
.service-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.service-cat{background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;cursor:pointer;transition:all .2s;box-shadow:var(--shadow)}
.service-cat:hover,.service-cat.selected{border-color:var(--coral);background:var(--coral-light)}
.service-cat .icon{font-size:2rem;margin-bottom:10px}
.service-cat .name{font-weight:700;font-size:14px;color:var(--navy)}

/* ── EMPTY STATE ─────────────────────────────────────────── */
.empty-state{text-align:center;padding:56px 24px;color:var(--muted)}
.empty-state .icon{font-size:3rem;margin-bottom:16px}
.empty-state p{font-size:16px;font-weight:500}

/* ── SECTION TITLE ───────────────────────────────────────── */
.section-title{font-weight:700;font-size:14px;color:var(--navy);margin:24px 0 12px;padding-bottom:8px;border-bottom:2px solid var(--coral-light);text-transform:uppercase;letter-spacing:.4px}

/* ── TABS ────────────────────────────────────────────────── */
.tabs{display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:24px}
.tab{padding:12px 20px;font-size:14px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s;font-weight:500}
.tab.active{color:var(--coral);border-bottom-color:var(--coral);font-weight:700}
.tab:hover{color:var(--text)}

/* ── PHOTO GRID ──────────────────────────────────────────── */
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;margin-top:10px}
.photo-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-sm);cursor:pointer;transition:transform .15s}
.photo-grid img:hover{transform:scale(1.04)}

/* ── FORM HELPERS ────────────────────────────────────────── */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.form-row{grid-template-columns:1fr}}

/* ── FOOTER ──────────────────────────────────────────────── */
footer{background:#fff;border-top:1px solid var(--border);padding:32px 24px;text-align:center;color:var(--muted);font-size:13px}

/* ── SERVICE BOOKING WIZARD ──────────────────────────────── */
.booking-header{padding:28px 24px 0;max-width:640px;margin:0 auto}
.booking-header .back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;margin-bottom:20px}
.booking-header h1{font-size:1.7rem;font-weight:800;color:var(--navy)}
.booking-header p{color:var(--muted);margin-top:6px;font-size:14px}
.booking-container{max-width:640px;margin:0 auto;padding:28px 24px 80px}
.step-bar{display:flex;align-items:flex-start;margin-bottom:36px;gap:0}
.step-bar-item{display:flex;flex-direction:column;align-items:center;flex:1}
.step-dot{width:32px;height:32px;border-radius:50%;background:var(--border);color:#aaa;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;flex-shrink:0;transition:all .2s}
.step-dot.active{background:var(--coral);color:#fff;box-shadow:0 2px 8px rgba(181,113,74,.3)}
.step-dot.done{background:var(--success);color:#fff}
.step-bar-label{font-size:11px;color:var(--muted);margin-top:5px;text-align:center;white-space:nowrap}
.step-bar-line{flex:1;height:2px;background:var(--border);margin-top:16px;transition:background .3s}
.step-bar-line.done{background:var(--success)}
.step-panel{display:none}
.step-panel.active{display:block;animation:fadeInUp .25s ease}
@keyframes fadeInUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.step-panel h2{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.step-panel .step-sub{color:var(--muted);font-size:13px;margin-bottom:24px}
.opt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:8px}
.opt-card{background:#fff;border:2px solid var(--border);border-radius:var(--radius);padding:20px 12px;text-align:center;cursor:pointer;transition:all .15s;position:relative}
.opt-card:hover{border-color:var(--coral);background:var(--coral-light)}
.opt-card.selected{border-color:var(--coral);background:var(--coral-light)}
.opt-card input[type=radio]{position:absolute;opacity:0;width:0;height:0}
.opt-icon{font-size:2rem;margin-bottom:8px;display:block}
.opt-name{font-weight:700;font-size:13px;color:var(--navy)}
.opt-desc{font-size:11px;color:var(--muted);margin-top:3px;line-height:1.4}
.opt-card.urgent{border-color:var(--danger)}
.opt-card.urgent:hover,.opt-card.urgent.selected{background:#FEF0EE;border-color:var(--danger)}
.booking-nav{display:flex;gap:12px;margin-top:32px;padding-top:20px;border-top:1px solid var(--border)}
.booking-summary{background:var(--coral-light);border:1.5px solid var(--coral);border-radius:var(--radius);padding:20px;margin-bottom:24px}
.booking-summary h3{font-size:14px;font-weight:700;color:var(--coral);margin-bottom:10px}
.summary-row{display:flex;justify-content:space-between;font-size:13px;padding:4px 0;border-bottom:1px solid rgba(181,113,74,.15)}
.summary-row:last-child{border-bottom:none}
.summary-row .key{color:var(--muted)}
.summary-row .val{color:var(--navy);font-weight:600;text-align:right;max-width:60%}

/* ── SOCIAL LOGIN MODAL ───────────────────────────────────── */
.social-overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:700;display:flex;align-items:flex-end;justify-content:center;backdrop-filter:blur(3px)}
.social-sheet{background:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 0;width:100%;max-width:500px;padding:28px 28px 40px;animation:sheetUp .3s ease}
@keyframes sheetUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.social-sheet .sheet-handle{width:40px;height:4px;background:var(--border);border-radius:2px;margin:0 auto 20px}
.social-sheet h3{font-size:1.15rem;font-weight:800;color:var(--navy);margin-bottom:4px;text-align:center}
.social-sheet .sheet-sub{color:var(--muted);font-size:13px;text-align:center;margin-bottom:22px}
.soc-btn{display:flex;align-items:center;gap:14px;width:100%;padding:14px 20px;border-radius:50px;font-size:15px;font-weight:600;border:none;cursor:pointer;margin-bottom:10px;transition:all .15s}
.soc-btn:hover{opacity:.92;transform:translateY(-1px);box-shadow:0 3px 12px rgba(0,0,0,.12)}
.soc-btn-line{background:#06C755;color:#fff}
.soc-btn-fb{background:#1877F2;color:#fff}
.soc-btn-google{background:#fff;color:#3A3A3A;border:1.5px solid var(--border)}
.soc-btn .soc-icon{width:22px;height:22px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:16px}
.soc-btn span{flex:1;text-align:center}
.soc-divider{display:flex;align-items:center;gap:12px;margin:14px 0}
.soc-divider::before,.soc-divider::after{content:'';flex:1;height:1px;background:var(--border)}
.soc-divider span{font-size:12px;color:var(--muted);white-space:nowrap}
.phone-login-row{display:flex;gap:8px;margin-top:4px}
.phone-login-row input{flex:1}
.phone-login-row button{flex-shrink:0;white-space:nowrap;padding:12px 18px;font-size:14px}

/* ── RESPONSIVE ──────────────────────────────────────────── */
@media(max-width:900px){
  .sidebar{width:220px}
  .main-content{margin-left:220px;padding:24px}
}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);transition:transform .25s}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0;padding:20px 16px}
  .top-nav{padding:0 16px}
  .auth-box{padding:32px 24px}
}