/* Riven 顧客ポータル CSS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-w: 220px;
  --blue:      #2563eb;
  --blue-l:    #eff6ff;
  --green:     #059669;
  --green-l:   #ecfdf5;
  --amber:     #d97706;
  --red:       #dc2626;
  --navy:      #0f172a;
  --navy2:     #1e293b;
  --border:    #e2e8f0;
  --muted:     #64748b;
  --surface:   #f7f9fc;
  --shadow:    0 1px 3px rgba(0,0,0,.07), 0 4px 16px rgba(0,0,0,.05);
}

body { font-family: 'Inter','Noto Sans JP',sans-serif; font-size:14px; color:#0f172a; background:var(--surface); line-height:1.6; -webkit-font-smoothing:antialiased; }

/* AUTH PAGES */
body.auth-page { display:flex; align-items:center; justify-content:center; min-height:100vh; background:linear-gradient(145deg,#0f172a 0%,#1e293b 50%,#0f172a 100%); }
.auth-wrap { width:100%; max-width:420px; padding:20px; }
.auth-card { background:#fff; border-radius:16px; padding:44px 40px; box-shadow:0 24px 80px rgba(0,0,0,.4); }
.auth-logo { text-align:center; margin-bottom:36px; }
.auth-logo-mark { width:56px; height:56px; background:linear-gradient(135deg,#2563eb,#4f46e5); border-radius:16px; display:flex; align-items:center; justify-content:center; font-size:30px; font-weight:800; color:#fff; margin:0 auto 14px; box-shadow:0 8px 24px rgba(37,99,235,.4); }
.auth-title { font-size:18px; font-weight:700; color:#0f172a; }
.auth-sub   { font-size:13px; color:var(--muted); margin-top:4px; }
.auth-footer-link { text-align:center; margin-top:20px; font-size:13px; color:var(--muted); }
.auth-footer-link a { color:var(--blue); text-decoration:none; font-weight:500; }

/* APP SHELL */
.app-shell { display:flex; min-height:100vh; }

/* SIDEBAR */
.sidebar { width:var(--sidebar-w); background:var(--navy); display:flex; flex-direction:column; position:fixed; top:0; left:0; bottom:0; z-index:50; }
.sidebar-header { padding:20px 16px 16px; border-bottom:1px solid rgba(255,255,255,.07); }
.sidebar-logo { display:flex; align-items:center; gap:10px; }
.logo-mark { width:34px; height:34px; background:linear-gradient(135deg,#2563eb,#4f46e5); border-radius:9px; display:flex; align-items:center; justify-content:center; font-size:18px; font-weight:800; color:#fff; flex-shrink:0; }
.logo-name { font-size:15px; font-weight:700; color:#fff; }
.logo-sub  { font-size:10px; color:rgba(255,255,255,.35); text-transform:uppercase; letter-spacing:.06em; }

.sidebar-nav { flex:1; padding:12px 10px; display:flex; flex-direction:column; gap:2px; }
.nav-section-label { font-size:10px; font-weight:600; color:rgba(255,255,255,.28); text-transform:uppercase; letter-spacing:.08em; padding:10px 8px 4px; }
.nav-item { display:flex; align-items:center; gap:9px; padding:8px 10px; border-radius:7px; color:rgba(255,255,255,.55); text-decoration:none; font-size:13px; font-weight:500; transition:background .12s, color .12s; }
.nav-item:hover { background:rgba(255,255,255,.07); color:rgba(255,255,255,.9); }
.nav-item.active { background:rgba(37,99,235,.22); color:#fff; }
.nav-icon { width:16px; height:16px; flex-shrink:0; color:rgba(255,255,255,.4); }
.nav-item.active .nav-icon { color:#60a5fa; }
.nav-item:hover .nav-icon { color:rgba(255,255,255,.7); }

.sidebar-footer { padding:12px; border-top:1px solid rgba(255,255,255,.07); }
.sidebar-user { display:flex; align-items:center; gap:9px; margin-bottom:8px; }
.user-avatar { width:30px; height:30px; background:linear-gradient(135deg,#374151,#4b5563); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:12px; font-weight:700; color:#fff; flex-shrink:0; }
.user-name { font-size:12px; font-weight:600; color:rgba(255,255,255,.75); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.btn-logout { width:100%; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); color:rgba(255,255,255,.5); padding:6px; border-radius:6px; cursor:pointer; font-size:12px; font-family:inherit; transition:all .15s; }
.btn-logout:hover { background:rgba(255,255,255,.1); color:rgba(255,255,255,.8); }

/* MAIN */
.main-area { margin-left:var(--sidebar-w); flex:1; display:flex; flex-direction:column; }
.topbar { height:52px; background:#fff; border-bottom:1px solid var(--border); display:flex; align-items:center; padding:0 28px; justify-content:space-between; position:sticky; top:0; z-index:40; }
.topbar-crumb { font-size:13px; color:var(--muted); font-weight:500; }
.topbar-date  { font-size:12px; color:#94a3b8; }
.main-content { padding:28px; flex:1; }
.page-header { display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:24px; gap:16px; }
.page-title  { font-size:20px; font-weight:700; color:#0f172a; letter-spacing:-.02em; }
.page-sub    { font-size:13px; color:var(--muted); margin-top:3px; }

/* STATS */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:24px; }
.stat-card { background:#fff; border-radius:12px; padding:18px 20px; box-shadow:var(--shadow); border-top:3px solid var(--border); }
.stat-card.c-blue  { border-top-color:var(--blue); }
.stat-card.c-green { border-top-color:var(--green); }
.stat-card.c-amber { border-top-color:var(--amber); }
.stat-icon { width:34px; height:34px; border-radius:8px; display:flex; align-items:center; justify-content:center; margin-bottom:12px; }
.stat-card.c-blue  .stat-icon { background:var(--blue-l);  color:var(--blue);  }
.stat-card.c-green .stat-icon { background:var(--green-l); color:var(--green); }
.stat-card.c-amber .stat-icon { background:#fffbeb;        color:var(--amber); }
.stat-value { font-size:28px; font-weight:700; color:#0f172a; line-height:1; letter-spacing:-.03em; }
.stat-label { font-size:11px; color:var(--muted); margin-top:5px; font-weight:500; }

/* CARD */
.card { background:#fff; border-radius:12px; box-shadow:var(--shadow); overflow:hidden; }
.card-header { display:flex; align-items:center; justify-content:space-between; padding:14px 20px; border-bottom:1px solid var(--border); }
.card-title  { font-size:14px; font-weight:600; }
.card-sub    { font-size:12px; color:var(--muted); }

/* TABLE */
.table { width:100%; border-collapse:collapse; }
.table th { background:#f8fafc; padding:9px 16px; text-align:left; font-size:11px; font-weight:600; color:var(--muted); border-bottom:1px solid var(--border); white-space:nowrap; text-transform:uppercase; letter-spacing:.05em; }
.table td { padding:12px 16px; border-bottom:1px solid #f1f5f9; font-size:13px; vertical-align:middle; }
.table tbody tr:last-child td { border-bottom:none; }
.table tbody tr:hover { background:#fafbfc; }
.table tfoot td { padding:12px 16px; border-top:2px solid var(--border); }

/* BADGE */
.badge { display:inline-flex; align-items:center; gap:4px; padding:3px 9px; border-radius:20px; font-size:11px; font-weight:600; }
.badge::before { content:'●'; font-size:7px; }
.badge-success { background:#d1fae5; color:#065f46; } .badge-success::before { color:var(--green); }
.badge-warning { background:#fef3c7; color:#78350f; } .badge-warning::before { color:var(--amber); }
.badge-blue    { background:var(--blue-l); color:#1e3a8a; } .badge-blue::before { color:var(--blue); }

/* BUTTONS */
.btn { display:inline-flex; align-items:center; gap:5px; padding:8px 16px; border-radius:7px; font-size:13px; font-weight:500; cursor:pointer; border:none; text-decoration:none; transition:all .15s; white-space:nowrap; font-family:inherit; }
.btn-primary { background:var(--blue); color:#fff; box-shadow:0 2px 6px rgba(37,99,235,.3); }
.btn-primary:hover { background:#1d4ed8; }
.btn-outline { background:#fff; color:#374151; border:1px solid var(--border); }
.btn-outline:hover { background:#f8fafc; }
.btn-sm { padding:5px 11px; font-size:12px; border-radius:6px; }
.btn-block { width:100%; justify-content:center; margin-top:12px; }

/* FORMS */
.form-group { margin-bottom:18px; }
.form-label { display:block; font-size:12px; font-weight:600; color:var(--muted); margin-bottom:6px; text-transform:uppercase; letter-spacing:.05em; }
.form-label.required::after { content:' *'; color:var(--red); }
.form-control { width:100%; padding:10px 13px; border:1.5px solid var(--border); border-radius:8px; font-size:14px; font-family:inherit; color:#0f172a; background:#fff; transition:border-color .15s, box-shadow .15s; }
.form-control:focus { outline:none; border-color:var(--blue); box-shadow:0 0 0 3px rgba(37,99,235,.1); }
.form-actions { display:flex; gap:8px; margin-top:24px; padding-top:20px; border-top:1px solid var(--border); }
.invalid-feedback { color:var(--red); font-size:12px; margin-top:5px; }
.form-card { background:#fff; border-radius:12px; box-shadow:var(--shadow); padding:28px 32px; }

/* ALERTS */
.alert { display:flex; align-items:flex-start; gap:10px; padding:13px 16px; border-radius:8px; margin-bottom:20px; font-size:13px; border-left:3px solid; }
.alert-success { background:var(--green-l); color:#065f46; border-color:var(--green); }
.alert-warning { background:#fffbeb; color:#78350f; border-color:var(--amber); }
.alert-danger  { background:#fef2f2; color:#7f1d1d; border-color:var(--red); }

/* FILTER */
.filter-bar { display:flex; gap:10px; align-items:center; padding:14px 20px; border-bottom:1px solid var(--border); background:#fafbfc; flex-wrap:wrap; }

/* PAGINATION */
.pagination-wrap { padding:14px 20px; display:flex; justify-content:flex-end; border-top:1px solid var(--border); }

/* DETAIL */
.detail-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.detail-list { padding:18px 20px; }
.detail-list dt { font-size:11px; color:var(--muted); font-weight:600; text-transform:uppercase; letter-spacing:.06em; margin-top:14px; }
.detail-list dt:first-child { margin-top:0; }
.detail-list dd { font-size:14px; color:#0f172a; margin-top:3px; }

/* AMOUNTS */
.amount-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-bottom:20px; }
.amount-card { background:#fff; border-radius:10px; padding:14px 18px; box-shadow:var(--shadow); border:1px solid var(--border); }
.amount-card.accent { border:2px solid var(--green); }
.amount-label { font-size:11px; font-weight:600; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; margin-bottom:5px; }
.amount-value { font-size:17px; font-weight:700; color:#0f172a; }
.amount-card.accent .amount-label { color:var(--green); }
.amount-card.accent .amount-value { font-size:21px; color:var(--green); }

/* ID BADGE */
.id-badge { font-family:monospace; background:#f1f5f9; border:1px solid var(--border); padding:3px 10px; border-radius:5px; font-size:12px; font-weight:700; color:#374151; }

/* IMAGES */
.image-gallery { display:flex; flex-wrap:wrap; gap:12px; padding:18px 20px; }
.gallery-item { cursor:pointer; }
.gallery-thumb { width:100px; height:80px; object-fit:cover; border-radius:7px; border:1px solid var(--border); display:block; }
.pdf-thumb { width:100px; height:80px; background:#fef2f2; color:#991b1b; display:flex; flex-direction:column; align-items:center; justify-content:center; border-radius:7px; font-weight:700; font-size:14px; border:1px solid #fecaca; cursor:pointer; }
.gallery-label { font-size:11px; color:var(--muted); margin-top:4px; }

/* MODAL */
.modal-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.75); z-index:999; align-items:center; justify-content:center; backdrop-filter:blur(3px); }
.modal-box { background:#fff; border-radius:14px; padding:24px; max-width:92vw; max-height:92vh; position:relative; overflow:auto; }
.modal-close { position:absolute; top:10px; right:12px; background:var(--surface); border:none; border-radius:50%; width:30px; height:30px; display:flex; align-items:center; justify-content:center; cursor:pointer; color:var(--muted); }

/* UTILS */
.text-right { text-align:right; }
.text-center { text-align:center; }
.text-muted { color:var(--muted); }
.text-sm { font-size:12px; }
.fw-600 { font-weight:600; }
.fw-700 { font-weight:700; }
.mt-16 { margin-top:16px; }
.mt-20 { margin-top:20px; }
.mt-24 { margin-top:24px; }
.mb-20 { margin-bottom:20px; }
.td-id { font-family:monospace; font-size:12px; color:var(--muted); }
.empty-state { padding:40px 24px; text-align:center; color:var(--muted); }