:root {
  --primary: #1e40af;
  --primary-light: #3b82f6;
  --primary-bg: #eff6ff;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --g50: #f9fafb;
  --g100: #f3f4f6;
  --g200: #e5e7eb;
  --g300: #d1d5db;
  --g400: #9ca3af;
  --g500: #6b7280;
  --g600: #4b5563;
  --g700: #374151;
  --g800: #1f2937;
  --g900: #111827;
  --sidebar-w: 260px;
  --radius: 8px;
  --sh: 0 2px 8px rgba(30, 64, 175, .08);
  --sh-lg: 0 14px 28px rgba(17, 24, 39, .12);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--g50);
  color: var(--g800);
  font-family: "Be Vietnam Pro", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

a { color: inherit; }

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 200;
  width: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  background: var(--g900);
  color: #fff;
}

.sidebar-logo { padding: 22px 20px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.logo-badge { display: inline-flex; text-decoration: none; font-weight: 800; color: #fff; background: var(--primary); padding: 7px 12px; border-radius: 6px; }
.sidebar-logo p { margin: 8px 0 0; color: var(--g400); font-size: 12px; }
.sidebar-nav { flex: 1; overflow-y: auto; padding: 10px 0; }
.nav-section { padding: 14px 16px 5px; font-size: 11px; color: var(--g500); font-weight: 700; text-transform: uppercase; }
.nav-item { display: flex; margin: 2px 8px; padding: 11px 16px; border-radius: 7px; text-decoration: none; color: var(--g300); font-size: 14px; font-weight: 600; }
.nav-item:hover, .nav-item.active { background: var(--primary); color: #fff; }
.sidebar-footer { padding: 14px 16px; color: var(--g500); border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; }

.hamburger { display: none; position: fixed; top: 14px; left: 14px; z-index: 300; width: 44px; height: 44px; border: 0; border-radius: 8px; background: var(--g900); color: #fff; font-size: 22px; }
.sidebar-overlay { display: none; position: fixed; inset: 0; z-index: 190; background: rgba(0,0,0,.45); }

.main { min-height: 100vh; margin-left: var(--sidebar-w); }
.topbar { position: sticky; top: 0; z-index: 100; min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 28px; background: #fff; box-shadow: 0 1px 0 var(--g200); }
.topbar h1 { margin: 0; color: var(--g900); font-size: 20px; font-weight: 800; }
.topbar-actions, .actions-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.user-chip { display: grid; gap: 2px; justify-items: end; color: var(--g700); font-size: 12px; }
.user-chip strong { color: var(--g900); font-size: 13px; }
.muted-label { color: var(--g500); font-size: 13px; font-weight: 700; }
.page { padding: 28px; }

.btn { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 0; border-radius: 6px; padding: 10px 16px; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; text-decoration: none; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: #fff; color: var(--g700); box-shadow: inset 0 0 0 1px var(--g200); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { min-height: 36px; padding: 7px 12px; font-size: 13px; }

.card { background: #fff; border-radius: var(--radius); box-shadow: var(--sh); margin-bottom: 20px; overflow: hidden; }
.card-header { padding: 18px 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-title { margin: 0; font-size: 16px; font-weight: 800; color: var(--g900); }
.card-body { padding: 18px 20px 20px; }

.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius); box-shadow: var(--sh); padding: 20px; }
.stat-label, .stat-sub { display: block; color: var(--g500); font-size: 13px; }
.stat-value { display: block; color: var(--g900); font-size: 32px; line-height: 1.2; margin: 6px 0; }
.stat-text { font-size: 22px; }
.flow-list { display: flex; gap: 10px; flex-wrap: wrap; }
.flow-list span { background: var(--primary-bg); color: var(--primary); border-radius: 999px; padding: 8px 12px; font-weight: 700; font-size: 13px; }

.submit-page { padding-bottom: 92px; }
.submit-hero { position: relative; display: grid; gap: 18px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: #fff; border-radius: 0 0 18px 18px; padding: 24px 16px; margin: -16px -16px 16px; overflow: hidden; }
.submit-hero::after { content: ""; position: absolute; right: -72px; bottom: -92px; width: 210px; height: 210px; border-radius: 50%; background: rgba(255,255,255,.12); }
.submit-hero__content, .submit-deadlines { position: relative; z-index: 1; }
.submit-kicker { display: inline-flex; margin-bottom: 8px; color: rgba(255,255,255,.82); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.submit-hero h2 { margin: 0 0 8px; font-size: 24px; line-height: 1.2; }
.submit-hero p { margin: 0; color: rgba(255,255,255,.9); }
.submit-deadlines { display: grid; grid-template-columns: 1fr; gap: 8px; }
.submit-deadlines span { display: flex; align-items: center; min-height: 40px; border-radius: 8px; padding: 8px 12px; background: rgba(255,255,255,.14); box-shadow: inset 0 0 0 1px rgba(255,255,255,.22); font-size: 14px; font-weight: 800; }

.submit-flow { display: grid; gap: 14px; }
.submit-step { background: #fff; border-radius: var(--radius); box-shadow: var(--sh); padding: 16px; }
.submit-step__header { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.submit-step__header h3 { margin: 0; color: var(--g900); font-size: 16px; line-height: 1.25; }
.submit-step__header p { margin: 4px 0 0; color: var(--g500); font-size: 14px; }
.step-badge { flex: 0 0 32px; width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; background: var(--primary-bg); color: var(--primary); font-weight: 800; }
.submit-info-grid .form-label:first-child { margin-top: 0; }

.session-options { display: grid; gap: 10px; }
.session-card { position: relative; min-height: 118px; display: grid; justify-items: center; align-content: center; gap: 4px; border-radius: 10px; background: var(--g50); box-shadow: inset 0 0 0 1px var(--g200); cursor: pointer; }
.session-card input { position: absolute; opacity: 0; pointer-events: none; }
.session-card:has(input:checked) { background: var(--primary-bg); box-shadow: inset 0 0 0 2px var(--primary-light), 0 8px 18px rgba(30,64,175,.12); }
.session-icon { font-size: 30px; line-height: 1; }
.session-title { color: var(--g900); font-weight: 800; }
.session-time { color: var(--g500); font-size: 14px; }

.upload-box { min-height: 176px; display: grid; place-items: center; gap: 6px; border-radius: 12px; background: var(--g50); box-shadow: inset 0 0 0 2px var(--g200); padding: 22px 16px; text-align: center; cursor: pointer; }
.upload-box:active { transform: translateY(1px); }
.upload-icon { font-size: 38px; line-height: 1; }
.upload-title { color: var(--g900); font-size: 17px; font-weight: 800; }
.upload-help { color: var(--g500); font-size: 14px; }
.area-upload-list { display: grid; gap: 12px; }
.area-upload-card { display: grid; gap: 12px; border-radius: 12px; background: var(--g50); box-shadow: inset 0 0 0 1px var(--g200); padding: 12px; }
.area-upload-card.is-complete { background: var(--success-bg); box-shadow: inset 0 0 0 2px rgba(22,163,74,.28); }
.area-upload-head { display: grid; grid-template-columns: 36px minmax(0, 1fr); gap: 10px; align-items: start; }
.area-upload-head h4 { margin: 0; color: var(--g900); font-size: 16px; line-height: 1.25; }
.area-upload-head p { margin: 3px 0 0; color: var(--g500); font-size: 14px; }
.area-number { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: 8px; background: #fff; color: var(--primary); font-weight: 800; box-shadow: inset 0 0 0 1px var(--g200); }
.area-upload-box { min-height: 128px; background: #fff; }
.area-upload-empty { border-radius: 10px; background: var(--warning-bg); color: var(--warning); padding: 14px; font-weight: 800; }
.visually-hidden-file { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; clip-path: inset(50%); }
.file-preview { margin-top: 12px; color: var(--g600); font-size: 14px; }
.file-preview-card { display: grid; grid-template-columns: 36px minmax(0, 1fr); column-gap: 10px; align-items: center; border-radius: 10px; background: var(--success-bg); padding: 10px 12px; color: var(--g700); }
.file-preview-icon { grid-row: span 2; font-size: 24px; }
.file-preview-name { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--g900); font-weight: 800; }
.file-preview-meta { color: var(--g500); font-size: 13px; font-weight: 700; }
.submit-status { border-radius: 10px; background: #fff; box-shadow: var(--sh); padding: 12px 14px; font-weight: 700; }
.submit-sticky-actions { position: fixed; left: 0; right: 0; bottom: 0; z-index: 90; padding: 12px 16px max(12px, env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); box-shadow: 0 -10px 24px rgba(17,24,39,.08); }
.submit-primary-btn { width: 100%; min-height: 52px; font-size: 16px; }
.report-result { margin-top: 16px; }

.form-label { display: block; margin: 16px 0 7px; color: var(--g700); font-size: 13px; font-weight: 800; text-transform: uppercase; }
.form-input { width: 100%; min-height: 44px; border: 0; border-radius: 7px; box-shadow: inset 0 0 0 1px var(--g200); padding: 11px 12px; color: var(--g800); font: inherit; font-size: 16px; background: #fff; }
.form-input[readonly], .form-input.is-readonly { background: var(--g50); color: var(--g700); }
.form-input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--primary-light), 0 0 0 3px rgba(59,130,246,.12); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }

.hidden { display: none; }
.report-score { display: flex; align-items: baseline; gap: 10px; margin-bottom: 18px; }
.report-score strong { font-size: 42px; color: var(--primary); }
.criteria-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.criteria-card { background: var(--g50); border-radius: 8px; padding: 14px; }
.criteria-card h3 { margin: 0 0 8px; font-size: 15px; }
.criteria-meta { display: flex; justify-content: space-between; gap: 12px; font-weight: 800; color: var(--primary); }
.criteria-card ul { padding-left: 18px; color: var(--g600); font-size: 13px; }
.review-flag { display: inline-flex; margin-top: 12px; padding: 7px 10px; border-radius: 999px; background: var(--warning-bg); color: var(--warning); font-weight: 800; font-size: 13px; }
.report-row, .store-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 10px; }
.report-row p, .store-row p { margin: 4px 0 0; color: var(--g600); }
.report-row-score { display: grid; justify-items: end; gap: 6px; }
.store-form { margin-bottom: 18px; padding-bottom: 18px; box-shadow: inset 0 -1px 0 var(--g200); }
.store-form-actions { margin-top: 16px; justify-content: flex-end; }
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.area-tag { display: inline-flex; border-radius: 999px; padding: 5px 9px; background: var(--primary-bg); color: var(--primary); font-size: 12px; font-weight: 800; }
.filter-bar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; }
.filter-bar .form-input { max-width: 220px; }
.store-meta { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; color: var(--g500); font-size: 12px; font-weight: 700; }

.login-page { min-height: calc(100vh - 32px); display: grid; place-items: center; padding: 28px; }
.login-panel { width: min(440px, 100%); background: #fff; border-radius: 12px; box-shadow: var(--sh-lg); padding: 28px; display: grid; gap: 22px; }
.login-panel h1 { margin: 12px 0 8px; color: var(--g900); font-size: 28px; line-height: 1.2; }
.login-panel p { margin: 0; color: var(--g600); }
.login-badge { display: inline-flex; border-radius: 6px; background: var(--primary-bg); color: var(--primary); padding: 6px 10px; font-size: 12px; font-weight: 800; }
.login-form { display: grid; gap: 4px; }
.login-form .btn { margin-top: 14px; width: 100%; }
.login-error { border-radius: 7px; background: var(--danger-bg); color: var(--danger); padding: 10px 12px; font-weight: 700; }

.prompt-admin { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 20px; align-items: start; }
.prompt-preview { grid-column: 2; }
.prompt-list { display: grid; gap: 8px; margin-bottom: 12px; }
.prompt-item { width: 100%; text-align: left; border: 0; border-radius: 7px; background: var(--g50); padding: 10px; cursor: pointer; font: inherit; }
.prompt-item.active { background: var(--primary-bg); color: var(--primary); font-weight: 800; }
.prompt-preview-box { min-height: 220px; max-height: 460px; overflow: auto; background: var(--g900); color: #e5e7eb; border-radius: 8px; padding: 16px; white-space: pre-wrap; font-size: 13px; }

.empty-state { text-align: center; color: var(--g500); padding: 48px 20px; }
.empty-state h3 { color: var(--g700); margin-top: 0; }
#toast-container { position: fixed; right: 20px; bottom: 20px; z-index: 1000; display: grid; gap: 8px; }
.toast { background: #fff; border-radius: 8px; box-shadow: var(--sh-lg); padding: 12px 14px; font-weight: 700; color: var(--g700); }
.toast.error { color: var(--danger); }
.toast.success { color: var(--success); }

@media (min-width: 768px) {
  .form-grid.is-2-col { grid-template-columns: 1fr 1fr; }
  .submit-page { padding-bottom: 28px; }
  .submit-hero { border-radius: 14px; padding: 28px; margin: 0 0 22px; }
  .submit-deadlines { grid-template-columns: repeat(2, minmax(0, 220px)); }
  .submit-flow { max-width: 860px; }
  .submit-step { padding: 20px; }
  .session-options { grid-template-columns: 1fr 1fr; }
  .area-upload-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .submit-sticky-actions { position: static; display: flex; justify-content: flex-end; padding: 0; background: transparent; box-shadow: none; }
  .submit-primary-btn { width: auto; min-width: 220px; }
}

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s ease; }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }
  .hamburger { display: block; }
  .main { margin-left: 0; }
  .topbar { padding-left: 72px; padding-right: 16px; }
  .page { padding: 16px; }
  .prompt-admin { grid-template-columns: 1fr; }
  .prompt-preview { grid-column: auto; }
}