:root {
  color-scheme: light;
  --ink: #102a43;
  --ink-soft: #486581;
  --muted: #7b8794;
  --line: #d9e2ec;
  --surface: #ffffff;
  --canvas: #f5f7fa;
  --accent: #f26b38;
  --accent-dark: #c95125;
  --success: #147d64;
  --success-bg: #e3f8f5;
  --warning: #a15c00;
  --warning-bg: #fff3c4;
  --danger: #b42318;
  --danger-bg: #fef3f2;
  --shadow: 0 16px 36px rgba(16, 42, 67, .08);
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--canvas); }
body { margin: 0; min-width: 320px; min-height: 100%; color: var(--ink); background: var(--canvas); }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .58; }
a { color: inherit; }

.app-shell { min-height: 100vh; }
.boot-state, .loading-state { min-height: 50vh; display: grid; place-items: center; gap: 12px; align-content: center; color: var(--ink-soft); padding: 24px; }
.spinner { width: 22px; height: 22px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .75s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.portal-header { background: var(--ink); color: white; padding: calc(18px + env(safe-area-inset-top)) max(20px, 5vw) 18px; }
.header-row, .content-wrap { width: min(1120px, 100%); margin: 0 auto; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.28); border-radius: 12px; display: grid; place-items: center; color: #ffd5c2; font-weight: 800; letter-spacing: -.06em; }
.brand-name { font-size: clamp(1.04rem, 3vw, 1.25rem); font-weight: 750; letter-spacing: -.02em; overflow-wrap: anywhere; }
.header-meta { color: #bcccdc; font-size: .82rem; text-align: right; }
.header-meta strong { display: block; color: white; font-size: .92rem; }

.auth-layout { width: min(540px, 100%); margin: 0 auto; padding: 28px 18px 48px; }
.auth-intro { margin: 10px 0 22px; }
.eyebrow { margin: 0 0 7px; text-transform: uppercase; letter-spacing: .12em; font-size: .7rem; font-weight: 800; color: var(--accent-dark); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(1.7rem, 6vw, 2.2rem); letter-spacing: -.045em; line-height: 1.05; }
h2 { margin-bottom: 8px; font-size: 1.18rem; letter-spacing: -.025em; }
h3 { margin-bottom: 5px; font-size: 1rem; }
.lede { color: var(--ink-soft); line-height: 1.6; margin-bottom: 0; }
.auth-card, .panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.auth-card { padding: 22px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 4px; background: var(--canvas); border-radius: 12px; margin-bottom: 20px; }
.tab-button { border: 0; border-radius: 9px; background: transparent; color: var(--ink-soft); padding: 11px 8px; font-weight: 700; }
.tab-button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 2px 8px rgba(16,42,67,.08); }
.form-stack { display: grid; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: .87rem; font-weight: 700; color: var(--ink); }
.field small, .helper { color: var(--muted); font-size: .78rem; line-height: 1.45; }
input, textarea, select { width: 100%; border: 1px solid #bcccdc; border-radius: 11px; background: #fff; color: var(--ink); padding: 12px 13px; outline: 0; transition: border-color .16s ease, box-shadow .16s ease; }
textarea { min-height: 104px; resize: vertical; }
input:focus, textarea:focus, select:focus, button:focus-visible, a:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(242,107,56,.2); outline: none; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; border: 1px solid transparent; border-radius: 11px; padding: 10px 15px; font-weight: 750; transition: background .16s ease, border-color .16s ease, transform .16s ease; }
.button:active:not(:disabled) { transform: translateY(1px); }
.button-primary { color: white; background: var(--accent); }
.button-primary:hover:not(:disabled) { background: var(--accent-dark); }
.button-secondary { color: var(--ink); background: white; border-color: var(--line); }
.button-secondary:hover:not(:disabled) { background: var(--canvas); border-color: #9fb3c8; }
.button-danger { color: var(--danger); background: white; border-color: #f7c5c0; }
.button-block { width: 100%; }
.text-button { border: 0; padding: 0; background: transparent; color: #ffd5c2; font-weight: 700; text-decoration: underline; text-underline-offset: 3px; }
.notice { display: flex; align-items: flex-start; gap: 10px; border: 1px solid var(--line); border-radius: 12px; padding: 12px 13px; color: var(--ink-soft); background: #f8fafc; font-size: .85rem; line-height: 1.45; }
.notice.error { color: var(--danger); background: var(--danger-bg); border-color: #f7c5c0; }
.notice.success { color: var(--success); background: var(--success-bg); border-color: #8ed8c9; }
.notice.warning { color: var(--warning); background: var(--warning-bg); border-color: #f6d66d; }
.notice[hidden], .auth-form[hidden], .portal-main[hidden] { display: none; }

.portal-main { padding: 24px 18px 48px; }
.portal-nav { position: sticky; top: 0; z-index: 2; overflow-x: auto; background: var(--canvas); border-bottom: 1px solid var(--line); padding: 8px max(18px, 5vw); scrollbar-width: none; }
.portal-nav::-webkit-scrollbar { display: none; }
.nav-inner { width: min(1120px, 100%); margin: 0 auto; display: flex; gap: 7px; }
.nav-button { flex: 0 0 auto; border: 1px solid transparent; background: transparent; border-radius: 999px; padding: 9px 13px; color: var(--ink-soft); font-weight: 700; font-size: .86rem; }
.nav-button[aria-current="page"] { background: white; border-color: var(--line); color: var(--ink); box-shadow: 0 3px 9px rgba(16,42,67,.06); }
.content-wrap { display: grid; gap: 18px; }
.view-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; margin-bottom: 3px; }
.view-heading p { color: var(--ink-soft); margin-bottom: 0; line-height: 1.5; }
.grid { display: grid; gap: 14px; }
.summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat { padding: 16px; border: 1px solid var(--line); background: white; border-radius: 14px; min-width: 0; }
.stat-label { color: var(--muted); font-size: .76rem; font-weight: 700; }
.stat-value { margin-top: 8px; font-size: 1.18rem; font-weight: 800; letter-spacing: -.03em; overflow-wrap: anywhere; }
.panel { padding: 18px; box-shadow: none; }
.panel-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; }
.panel-header p { margin-bottom: 0; color: var(--ink-soft); font-size: .84rem; line-height: 1.5; }
.status { display: inline-flex; align-items: center; gap: 7px; border-radius: 999px; padding: 6px 9px; font-size: .75rem; font-weight: 800; white-space: nowrap; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-ok { color: var(--success); background: var(--success-bg); }
.status-warning { color: var(--warning); background: var(--warning-bg); }
.status-danger { color: var(--danger); background: var(--danger-bg); }
.status-neutral { color: var(--ink-soft); background: #eef2f6; }
.data-list { display: grid; gap: 0; margin: 0; }
.data-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 11px 0; border-top: 1px solid var(--line); }
.data-row:first-child { border-top: 0; padding-top: 0; }
.data-row:last-child { padding-bottom: 0; }
.data-row dt { color: var(--muted); font-size: .8rem; }
.data-row dd { margin: 0; text-align: right; font-weight: 700; font-size: .86rem; overflow-wrap: anywhere; }
.item-list { display: grid; gap: 10px; }
.item { border: 1px solid var(--line); border-radius: 13px; padding: 13px; background: #fbfcfe; }
.item-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.item p { margin: 3px 0 0; color: var(--ink-soft); font-size: .82rem; line-height: 1.45; }
.item-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.item-actions .button { min-height: 38px; padding: 8px 11px; font-size: .82rem; }
.wifi-form { margin-top: 15px; padding-top: 15px; border-top: 1px solid var(--line); }
.empty { padding: 20px 6px 6px; color: var(--muted); text-align: center; font-size: .87rem; }
.form-grid { display: grid; gap: 14px; }
.form-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.file-drop { display: grid; gap: 8px; align-items: center; border: 1px dashed #9fb3c8; border-radius: 12px; padding: 15px; background: #f8fafc; }
.file-drop input { padding: 9px; border-style: dashed; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; min-width: 520px; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; font-size: .8rem; }
th { color: var(--muted); background: #f8fafc; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; }
tr:last-child td { border-bottom: 0; }
.footer-note { padding: 5px 0; color: var(--muted); font-size: .76rem; line-height: 1.5; }
.portal-legal { padding: 18px 20px calc(18px + env(safe-area-inset-bottom)); text-align: center; font-size: .78rem; }
.portal-legal a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.toast { position: fixed; z-index: 10; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); width: min(380px, calc(100% - 32px)); padding: 13px 15px; border-radius: 12px; color: white; background: var(--ink); box-shadow: 0 12px 28px rgba(16,42,67,.24); }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (min-width: 680px) {
  .auth-layout { padding-top: 56px; }
  .summary-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .span-2 { grid-column: span 2; }
  .content-wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  .content-wrap > .full-width { grid-column: 1 / -1; }
}

@media (min-width: 980px) {
  .portal-main { padding-top: 32px; }
  .content-wrap { grid-template-columns: 1.1fr .9fr; }
  .wide-panel { grid-column: 1 / -1; }
}

@media (max-width: 430px) {
  .auth-card, .panel { padding: 15px; }
  .header-meta { max-width: 45%; }
  .view-heading { flex-direction: column; }
  .data-row { align-items: flex-start; flex-direction: column; gap: 4px; }
  .data-row dd { text-align: left; }
  .form-actions, .form-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}