:root {
  --ink: #101820;
  --ink-soft: #5a6570;
  --paper: #f4f6f8;
  --surface: #ffffff;
  --steel: #1a4f66;
  --steel-deep: #0f3344;
  --signal: #c45a1a;
  --line: #d5dce5;
  --line-strong: #b8c2cb;
  --ok: #1b6b45;
  --danger: #9b2f23;
  --radius: 4px;
  --font-display: "Archivo", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; min-height: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    linear-gradient(180deg, #eef2f5 0%, var(--paper) 28%, #ebf0f3 100%),
    repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(16,24,32,.025) 79px, rgba(16,24,32,.025) 80px);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

.container { width: min(920px, calc(100% - 2.5rem)); margin-inline: auto; }
.stack { display: grid; gap: 1rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  border: 1px solid transparent; border-radius: var(--radius);
  padding: .7rem 1.15rem; background: var(--steel); color: #fff; font-weight: 600;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn:hover { background: var(--steel-deep); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--ink); background: rgba(16,24,32,.03); }
.btn-danger { background: var(--danger); }

.field { display: grid; gap: .45rem; }
.field label { font-weight: 600; font-size: .95rem; }
.field input, .field textarea, .field select {
  width: 100%; border: 1px solid var(--line-strong); border-radius: var(--radius);
  padding: .8rem .9rem; background: #fff; color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--steel); box-shadow: 0 0 0 3px rgba(26,79,102,.12);
}
.field textarea { min-height: 120px; resize: vertical; }
.muted { color: var(--ink-soft); }
.error { color: var(--danger); font-weight: 600; }
.success { color: var(--ok); font-weight: 600; }

.badge {
  display: inline-flex; align-items: center; border-radius: var(--radius);
  padding: .2rem .55rem; font-size: .72rem; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
}
.badge-open { background: rgba(27,107,69,.1); color: var(--ok); }
.badge-draft { background: rgba(90,101,112,.12); color: var(--ink-soft); }
.badge-closed { background: rgba(155,47,35,.1); color: var(--danger); }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .85rem .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-soft); font-weight: 600; }

/* Home */
.hero {
  position: relative; min-height: 100vh; display: grid; align-items: end; overflow: hidden;
  padding: 2.5rem 0 4.5rem; color: #f3f6f8;
  background:
    radial-gradient(ellipse 70% 55% at 80% 15%, rgba(196,90,26,.22), transparent 55%),
    linear-gradient(145deg, #0b1c28 0%, #14384a 48%, #0a1620 100%);
}
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(180deg, transparent 35%, rgba(6,14,20,.72) 100%),
    repeating-linear-gradient(-18deg, transparent, transparent 14px, rgba(255,255,255,.015) 14px, rgba(255,255,255,.015) 15px);
}
.hero-inner { position: relative; z-index: 1; animation: rise .85s var(--ease) both; }
.eyebrow {
  margin: 0 0 .85rem; letter-spacing: .28em; text-transform: uppercase;
  font-size: .72rem; font-weight: 600; color: rgba(243,246,248,.72);
}
.brand {
  margin: 0; font-family: var(--font-display); font-size: clamp(3.4rem, 12vw, 7.2rem);
  font-weight: 800; line-height: .88; letter-spacing: .04em; text-transform: uppercase;
}
.lead { max-width: 32rem; margin: 1.5rem 0 2rem; font-size: 1.125rem; color: rgba(243,246,248,.86); }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.cta, .cta-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: .85rem 1.25rem; border-radius: var(--radius); font-weight: 600;
}
.cta { background: #f3f6f8; color: #0b1c28; }
.cta:hover { background: #fff; }
.cta-ghost { border: 1px solid rgba(243,246,248,.35); color: #f3f6f8; }
.cta-ghost:hover { border-color: #f3f6f8; background: rgba(255,255,255,.06); }

/* Public survey */
.public-page { min-height: 100vh; padding: 0 0 3.5rem; }
.public-page::before {
  content: ""; display: block; height: 8px;
  background: linear-gradient(90deg, var(--steel-deep), var(--steel) 55%, var(--signal));
}
.public-wrap { width: min(760px, calc(100% - 2.5rem)); margin: 2rem auto 0; }
.masthead, .questions-panel, .shell {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.masthead { padding: 1.75rem 1.5rem 1.35rem; border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.questions-panel { padding: .5rem 1.5rem 1.75rem; border-top: 0; border-top-left-radius: 0; border-top-right-radius: 0; }
.shell { padding: 2rem 1.5rem; }
.masthead-top { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.brand-sm {
  margin: 0; font-family: var(--font-display); letter-spacing: .18em;
  font-size: .78rem; font-weight: 800; color: var(--steel);
}
.step-meta { margin: 0; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); font-weight: 600; }
.title {
  margin: 0; font-family: var(--font-display); font-size: clamp(1.7rem, 4vw, 2.35rem);
  font-weight: 700; line-height: 1.15; letter-spacing: -.02em; max-width: 18ch;
}
.desc { white-space: pre-wrap; color: var(--ink-soft); margin: 1rem 0 0; max-width: 58ch; }
.progress { margin-top: 1.35rem; height: 3px; background: var(--paper); }
.progress > span { display: block; height: 100%; background: var(--steel); }
.question { padding: 1.35rem 0; border-top: 1px solid var(--line); display: grid; gap: .85rem; }
.q-label { display: grid; grid-template-columns: auto 1fr; gap: .85rem; align-items: start; }
.q-num { font-family: var(--font-display); font-weight: 700; font-size: .85rem; color: var(--signal); padding-top: .15rem; }
.choices { display: grid; gap: .5rem; }
.choices.inline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.choice {
  display: flex; gap: .7rem; align-items: center; padding: .8rem .95rem;
  border: 1px solid var(--line-strong); border-radius: var(--radius); background: #fff; cursor: pointer;
}
.choice:has(input:checked) { border-color: var(--steel); background: rgba(26,79,102,.06); box-shadow: inset 3px 0 0 var(--steel); }
.choice input { accent-color: var(--steel); }
.form-actions { display: flex; justify-content: space-between; gap: .75rem; flex-wrap: wrap; padding-top: 1.25rem; border-top: 1px solid var(--line); margin-top: .35rem; }

/* Admin */
.admin-page { width: min(1080px, calc(100% - 2.5rem)); margin: 0 auto; padding: 2.25rem 0 3.5rem; }
.admin-header {
  display: flex; justify-content: space-between; gap: 1rem; align-items: flex-end;
  margin-bottom: 1.5rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--line); flex-wrap: wrap;
}
.admin-header h1 {
  margin: .15rem 0 0; font-family: var(--font-display); font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 700; letter-spacing: -.02em;
}
.admin-eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .2em; font-size: .68rem; color: var(--steel); font-weight: 700; }
.header-actions { display: flex; gap: .55rem; flex-wrap: wrap; }
.response-table tbody tr { cursor: pointer; }
.response-table tbody tr:hover { background: rgba(26, 79, 102, 0.06); }
.row-actions { display: flex; gap: .75rem; align-items: center; white-space: nowrap; }
.row-action { color: var(--steel); font-weight: 600; font-size: .92rem; background: none; border: 0; padding: 0; cursor: pointer; }
.row-action-danger { color: var(--danger); }
.answer-list { margin: 0; }
.answer-item { padding: .95rem 0; border-top: 1px solid var(--line); display: grid; gap: .3rem; }
.answer-item:first-child { border-top: 0; padding-top: 0; }
.answer-item dt { font-size: .78rem; color: var(--ink-soft); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.answer-item dd { margin: 0; font-size: 1.05rem; font-weight: 500; white-space: pre-wrap; word-break: break-word; }

body.modal-open { overflow: hidden; }
.modal-backdrop {
  position: fixed !important;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 9999;
  background: rgba(11, 28, 40, .62);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}
.modal-backdrop.is-open {
  display: flex !important;
}
.modal {
  width: min(720px, 100%);
  max-height: min(88vh, 860px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(11, 28, 40, .28);
}
.modal-head {
  display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start;
  padding: 1.2rem 1.35rem; border-bottom: 1px solid var(--line);
  position: sticky; top: 0; background: var(--surface);
}
.modal-head h2 {
  margin: .2rem 0 .25rem;
  font-family: var(--font-display);
  font-size: 1.45rem;
  letter-spacing: -.02em;
}
.modal-body { padding: 1.1rem 1.35rem 1.4rem; }

.editor-section { padding: 1.35rem 1.4rem; margin-bottom: 1rem; }
.editor-section h2 {
  margin: 0 0 1rem; font-family: var(--font-display); font-size: 1.15rem;
  font-weight: 700; letter-spacing: .02em; text-transform: uppercase;
}
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .9rem; }
.question-editor {
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.05rem;
  display: grid; gap: .75rem; background: #fafbfc; margin-bottom: .75rem;
}

.login-wrap {
  min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, 420px); background: #0b1c28;
}
.login-aside {
  position: relative; display: grid; align-content: end; padding: 2.5rem; color: #f3f6f8; overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%, rgba(196,90,26,.25), transparent 50%),
    linear-gradient(160deg, #0b1c28, #14384a 55%, #0a1620);
}
.login-aside::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(-18deg, transparent, transparent 14px, rgba(255,255,255,.018) 14px, rgba(255,255,255,.018) 15px);
}
.login-aside-inner { position: relative; z-index: 1; }
.login-aside-brand {
  margin: 0 0 .75rem; font-family: var(--font-display); font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800; letter-spacing: .06em; line-height: .95;
}
.login-panel { display: grid; place-items: center; padding: 2rem 1.5rem; background: var(--paper); }
.login-card { width: min(380px, 100%); padding: 1.75rem 1.5rem; }

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
  .login-wrap { grid-template-columns: 1fr; }
  .login-aside { min-height: 220px; }
  .choices.inline { grid-template-columns: 1fr; }
}