:root {
  --ink: #122033;
  --muted: #617083;
  --line: #dbe7ee;
  --sea: #0077a8;
  --sea-dark: #04577c;
  --coral: #f06f56;
  --sun: #f6c85f;
  --foam: #f5fbfd;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(18, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #eef9fb 0%, #ffffff 42%);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--sea), var(--coral));
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.site-nav a,
.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a {
  color: var(--muted);
}

.site-nav .nav-cta,
.button.primary {
  border: 0;
  color: var(--white);
  background: var(--sea);
}

.button {
  border: 1px solid var(--line);
  cursor: pointer;
  font-size: 15px;
}

.button.ghost {
  color: var(--sea-dark);
  background: var(--white);
}

.button.dark {
  color: var(--white);
  background: var(--ink);
}

main {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  min-height: 520px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(245, 251, 253, 0.96) 0%, rgba(245, 251, 253, 0.74) 48%, rgba(245, 251, 253, 0.2) 100%),
    url("https://images.unsplash.com/photo-1544551763-46a013bb70d5?auto=format&fit=crop&w=1800&q=80") center / cover;
}

.hero-copy,
.page-head {
  max-width: 760px;
  padding: 64px 0;
}

.page-head.compact {
  padding-bottom: 26px;
}

.kicker {
  margin: 0 0 10px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(38px, 7vw, 74px);
  line-height: 1.02;
}

h2 {
  margin-bottom: 14px;
  font-size: 24px;
  line-height: 1.25;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.hero-copy p,
.page-head p {
  color: var(--muted);
  font-size: 18px;
}

.hero-actions,
.admin-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.info-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: -42px auto 48px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.info-strip div {
  padding: 22px;
  background: var(--white);
}

.info-strip span,
.record p,
.download-card-header span,
.muted {
  color: var(--muted);
  font-size: 13px;
}

.info-strip strong {
  display: block;
  font-size: 18px;
}

.toolbar,
.login-panel,
.panel,
.download-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 10px 26px rgba(18, 32, 51, 0.06);
}

.toolbar {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 14px;
  padding: 18px;
  margin-bottom: 22px;
}

.toolbar.single,
.form-grid.single {
  grid-template-columns: minmax(0, 1fr);
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

input,
select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  background: var(--white);
  font: inherit;
}

input:focus,
select:focus {
  outline: 3px solid rgba(0, 119, 168, 0.16);
  border-color: var(--sea);
}

.download-list,
.record-list {
  display: grid;
  gap: 16px;
  padding-bottom: 60px;
}

.download-card {
  padding: 22px;
}

.download-card-header {
  display: grid;
  gap: 2px;
  margin-bottom: 18px;
}

.download-card-header time {
  font-weight: 800;
}

.download-slots {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.download-slot {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 112px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--foam);
}

.note,
.empty,
.status-text {
  color: var(--muted);
}

.note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.login-panel {
  max-width: 760px;
  padding: 22px;
  margin-bottom: 24px;
}

.login-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 18px;
  align-items: start;
  padding-bottom: 70px;
}

.session-bar {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--foam);
}

.panel {
  padding: 22px;
}

.panel-head {
  margin-bottom: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.segment {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 0 0 16px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.segment legend {
  color: var(--muted);
  font-weight: 800;
}

.segment label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.segment input {
  width: auto;
  min-height: auto;
}

.maintenance {
  margin-top: 16px;
  padding: 14px;
  border-radius: 8px;
  background: #fff8e5;
}

.record {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--foam);
}

.record.is-old {
  background: #fff8e5;
}

.record-actions {
  display: flex;
  align-items: start;
  gap: 8px;
  flex-wrap: wrap;
}

.site-footer {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 44px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

[hidden] {
  display: none !important;
}

@media (max-width: 820px) {
  .site-header,
  .admin-layout,
  .toolbar,
  .download-slots,
  .info-strip,
  .form-grid,
  .login-row,
  .record {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: grid;
  }

  .hero {
    min-height: 460px;
    background:
      linear-gradient(180deg, rgba(245, 251, 253, 0.98) 0%, rgba(245, 251, 253, 0.78) 100%),
      url("https://images.unsplash.com/photo-1544551763-46a013bb70d5?auto=format&fit=crop&w=1200&q=80") center / cover;
  }

  .info-strip {
    margin-top: 0;
  }
}