:root {
  --ink: #3e3440;
  --muted: #746a75;
  --rose: #d95f82;
  --pink: #fff0f3;
  --purple: #7564a6;
  --border: #ece4e8;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: #f8f6f3; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
.admin-header { display: flex; justify-content: space-between; align-items: center; padding: 1rem 4vw; background: #fff; border-bottom: 1px solid var(--border); }
.admin-brand { display: flex; gap: .75rem; align-items: center; }
.admin-brand > span { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; color: #fff; background: var(--rose); font-size: 1.4rem; }
.admin-brand small { display: block; color: var(--muted); }
nav { display: flex; gap: .6rem; align-items: center; }
nav a, .export-button { padding: .65rem .85rem; border-radius: 10px; color: var(--purple); text-decoration: none; font-weight: 700; font-size: .86rem; }
.logout { color: #a6425f !important; background: var(--pink); }
.admin-main { max-width: 1500px; margin: auto; padding: 2.5rem 4vw 5rem; }
.admin-title { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 2rem; }
.kicker { margin: 0 0 .4rem; color: var(--rose); font-size: .73rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1 { margin: 0; font-family: Georgia, serif; font-size: clamp(2.2rem, 4vw, 3.8rem); letter-spacing: -.04em; }
h2 { margin: 0; font-family: Georgia, serif; }
.admin-title p:not(.kicker), .panel-heading p { margin: .5rem 0 0; color: var(--muted); }
.privacy-badge { padding: .7rem 1rem; border-radius: 999px; color: #39704a; background: #e5f5ea; font-weight: 700; font-size: .8rem; }
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1rem; }
.metric-grid article, .panel { padding: 1.4rem; border: 1px solid var(--border); border-radius: 20px; background: #fff; box-shadow: 0 8px 30px rgba(63,52,64,.04); }
.metric-grid span { display: block; color: var(--muted); font-size: .82rem; }
.metric-grid strong { display: block; margin-top: .4rem; font-family: Georgia, serif; font-size: 2.4rem; }
.dashboard-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1rem; }
.panel-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin-bottom: 1.2rem; }
.panel-heading > span { color: var(--muted); font-size: .78rem; }
.bars { display: grid; gap: 1rem; }
.bar-row > div:first-child { display: flex; justify-content: space-between; margin-bottom: .3rem; font-size: .85rem; }
.bar-track { height: 9px; overflow: hidden; border-radius: 999px; background: #f0e9ed; }
.bar-track span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--rose), var(--purple)); }
.activity-stats { display: grid; gap: .65rem; }
.activity-stats > div { display: flex; gap: .8rem; align-items: center; padding: .7rem; border-radius: 12px; background: #faf7f8; }
.rank { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; color: #fff; background: var(--purple); font-weight: 800; }
.activity-stats p { margin: 0; }
.activity-stats small { display: block; color: var(--muted); }
.responses-panel { margin-top: 1rem; }
.export-button { color: #fff; background: var(--purple); }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: .79rem; }
th, td { padding: .8rem .7rem; border-top: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; }
.tag { display: inline-block; padding: .3rem .5rem; border-radius: 999px; color: #8b3b56; background: var(--pink); font-weight: 700; white-space: nowrap; }
details { min-width: 270px; }
summary { cursor: pointer; font-weight: 600; }
details p { margin: .7rem 0 0; }
.answer { padding: .7rem; border-radius: 10px; background: #f8f7f5; }
.empty { padding: 2rem !important; color: var(--muted); text-align: center; }
.login-body { display: grid; min-height: 100vh; place-items: center; padding: 1rem; background: linear-gradient(135deg, #edfafd, #fff0f3); }
.login-card { width: min(440px, 100%); padding: 2.3rem; border-radius: 26px; background: #fff; box-shadow: 0 24px 70px rgba(63,52,64,.15); }
.login-card h1 { margin-top: .25rem; font-size: 2.4rem; }
.login-card > p:not(.kicker) { color: var(--muted); }
.login-card form { display: grid; gap: .65rem; margin: 1.5rem 0; }
.login-card label { font-weight: 700; }
.login-card input { height: 48px; padding: 0 .8rem; border: 1px solid var(--border); border-radius: 12px; font: inherit; }
.login-card button { height: 48px; border: 0; border-radius: 999px; color: #fff; background: var(--rose); font: inherit; font-weight: 800; cursor: pointer; }
.login-card > a { display: block; color: var(--purple); text-align: center; }
.alert { padding: .8rem; border-radius: 10px; color: #973751; background: #ffe8ed; }
.success-alert { padding: .8rem; border-radius: 10px; color: #2f7043; background: #e5f5ea; }
.login-card .admin-brand { margin-bottom: 1.5rem; }
.password-card form small { margin: -.2rem 0 .35rem; color: var(--muted); font-size: .75rem; line-height: 1.4; }
@media (max-width: 850px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .admin-header { align-items: flex-start; }
  .admin-header nav { flex-wrap: wrap; justify-content: flex-end; }
  .admin-title { align-items: start; flex-direction: column; }
  .privacy-badge { align-self: flex-start; }
}
@media (max-width: 520px) {
  .admin-header { gap: 1rem; flex-direction: column; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .metric-grid article { padding: 1rem; }
  .metric-grid strong { font-size: 2rem; }
  .admin-main { padding: 1.5rem 1rem; }
  .login-card { padding: 1.5rem; }
}