:root {
  --bg: #f9f3d1;
  --panel: #fffdfa;
  --ink: #171417;
  --muted: #665d62;
  --red: #ef1d28;
  --blue: #2f3f97;
  --yellow: #ffef58;
  --line: rgba(23, 20, 23, 0.12);
  --shadow: 0 20px 50px rgba(47, 63, 151, 0.15);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(255, 239, 88, 0.75), transparent 26%),
    linear-gradient(135deg, #fff7d7 0%, #fefaf1 55%, #edf2ff 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.print-only {
  display: none;
}

.flash {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 14px 18px;
  text-align: center;
  font-weight: 700;
}

.flash-success {
  background: #d3ffe2;
}

.flash-error {
  background: #ffd8d8;
}

.hero-shell,
.print-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 32px auto 48px;
}

.hero-shell,
.print-shell,
.admin-shell,
.admin-login-shell {
  flex: 1;
}

.hero-panel,
.results-panel,
.student-card,
.panel,
.admin-login-card {
  background: rgba(255, 253, 250, 0.96);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 36px;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -80px -100px auto;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(239, 29, 40, 0.08);
  pointer-events: none;
}

.brand-lockup {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 24px;
  align-items: center;
}

.hero-logo {
  width: 170px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--red);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.98;
  margin-bottom: 14px;
}

.hero-copy,
.muted {
  color: var(--muted);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 28px 0;
}

.hero-stats div,
.stats-grid article {
  padding: 18px;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(47, 63, 151, 0.06), rgba(255, 255, 255, 0.9));
  border: 1px solid rgba(47, 63, 151, 0.12);
}

.hero-stats span,
.stats-grid span,
.student-card span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.hero-stats strong,
.stats-grid strong {
  font-size: 1.3rem;
}

.search-form,
.upload-grid {
  display: grid;
  gap: 14px;
  align-items: end;
}

.search-main-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 14px;
  align-items: center;
  position: relative;
  z-index: 1;
}

select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(23, 20, 23, 0.16);
  padding: 14px 16px;
  background: #fff;
  font: inherit;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(23, 20, 23, 0.16);
  padding: 14px 16px;
  background: #fff;
}

label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.btn-primary,
.btn-secondary,
.btn-neutral,
.btn-warning,
button {
  border: 0;
  border-radius: 16px;
  padding: 14px 18px;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--red), #ff5f47);
  color: #fff;
}

.btn-secondary {
  background: var(--blue);
  color: #fff;
  padding: 12px 14px;
  font-size: 0.92rem;
}

.btn-secondary-soft {
  padding: 10px 18px;
  border-radius: 999px;
  background: linear-gradient(135deg, #3d4aa8, #5160c5);
  box-shadow: 0 10px 24px rgba(47, 63, 151, 0.16);
}

.btn-neutral {
  background: linear-gradient(135deg, #ffe082, #ffca5f);
  color: #3f2a00;
  border: 1px solid rgba(181, 129, 0, 0.28);
}

.btn-warning {
  background: linear-gradient(135deg, #ffb703, #fb8500);
  color: #231400;
}

.btn-success {
  background: linear-gradient(135deg, #1f9d55, #38c172);
  color: #fff;
}

.results-panel {
  margin-top: 22px;
  padding: 28px;
}

.empty-state {
  padding: 40px 22px;
  text-align: center;
}

.empty-state-actions {
  margin-top: 18px;
  display: flex;
  justify-content: center;
}

.results-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
}

.cards-list {
  display: grid;
  gap: 18px;
}

.student-card {
  padding: 24px;
}

.student-card.is-printing {
  border-color: rgba(23, 20, 23, 0.22);
}

.card-header {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  align-items: center;
  margin-bottom: 22px;
}

.card-logo {
  width: 90px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.card-grid strong {
  font-size: 1.08rem;
}

.full-width {
  grid-column: 1 / -1;
}

.delima-id {
  color: var(--blue);
  font-size: 2.15rem;
  line-height: 1.18;
  letter-spacing: 0.01em;
  font-weight: 900;
  word-break: break-word;
}

.card-actions,
.print-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(16, 12, 16, 0.55);
  display: none;
  padding: 20px;
  z-index: 40;
}

.info-note {
  margin: 0 0 18px;
  padding: 18px 20px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(255, 239, 88, 0.35), rgba(255, 255, 255, 0.95));
  border: 1px solid rgba(239, 29, 40, 0.12);
}

.info-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--red);
}

.info-note p {
  margin-bottom: 0;
}

.helper-note {
  color: var(--muted);
  margin: 14px 0 0;
}

.print-card-note {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(23, 20, 23, 0.18);
}

.print-card-note strong {
  display: block;
  margin-bottom: 8px;
}

.print-card-note p {
  margin: 0;
  color: var(--ink);
}

.print-login-link {
  margin-top: 22px !important;
  text-align: center;
  font-weight: 700;
  word-break: break-all;
  font-size: 1.06rem;
}

.site-footer {
  position: sticky;
  bottom: 0;
  margin-top: auto;
  background: rgba(23, 20, 23, 0.92);
  color: #fff7d7;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.site-footer-inner {
  width: min(1180px, calc(100% - 24px));
  margin: 0 auto;
  padding: 14px 0 18px;
  text-align: center;
  font-size: 0.88rem;
  line-height: 1.6;
}

.site-footer-inner p {
  margin: 2px 0;
}

.footer-email {
  color: #ffef58;
  font-weight: 700;
  margin-left: 6px;
}

.footer-email-icon {
  display: inline-flex;
  width: 18px;
  height: 18px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(255, 239, 88, 0.18);
  margin-right: 6px;
  font-size: 0.72rem;
}

.admin-fab {
  position: fixed;
  right: 18px;
  bottom: 26px;
  z-index: 35;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #2f3f97, #4c66d6);
  color: #fff;
  font-weight: 800;
  font-size: 0.88rem;
  box-shadow: 0 16px 34px rgba(47, 63, 151, 0.28);
}

.modal.is-visible {
  display: grid;
  place-items: center;
}

.modal-panel {
  width: min(560px, 100%);
  background: var(--panel);
  border-radius: 28px;
  padding: 30px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: transparent;
  color: var(--ink);
  font-size: 2rem;
  padding: 0;
}

.feedback-form,
.stack-form {
  display: grid;
  gap: 14px;
}

.admin-body {
  background:
    linear-gradient(160deg, #171417 0%, #251f46 48%, #fdf7d6 48%, #fdf7d6 100%);
}

.admin-shell {
  width: min(1400px, calc(100% - 28px));
  margin: 24px auto;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
}

.admin-sidebar,
.admin-content {
  background: rgba(255, 253, 250, 0.96);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.admin-sidebar {
  padding: 28px;
  color: var(--ink);
  align-self: start;
  position: sticky;
  top: 20px;
}

.admin-nav-toggle {
  display: none;
  width: 100%;
  margin-top: 16px;
  background: linear-gradient(135deg, #2f3f97, #4c66d6);
  color: #fff;
}

.admin-logo {
  width: 96px;
  margin-bottom: 18px;
}

.admin-nav {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.admin-nav a {
  background: rgba(47, 63, 151, 0.08);
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 700;
}

.nav-badge {
  display: inline-flex;
  min-width: 22px;
  height: 22px;
  padding: 0 7px;
  margin-left: 8px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: var(--red);
  color: #fff;
  font-size: 0.78rem;
}

.admin-content {
  padding: 22px;
  display: grid;
  gap: 18px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.panel {
  padding: 22px;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.admin-filter-bar {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 220px auto auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
}

.quick-link-card {
  padding: 18px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(47, 63, 151, 0.06), rgba(255, 255, 255, 0.94));
  border: 1px solid rgba(47, 63, 151, 0.12);
}

.quick-link-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 8px;
}

.quick-link-card strong {
  font-size: 1.08rem;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(23, 20, 23, 0.14);
  background: #fff;
  font-weight: 700;
}

.filter-chip.is-active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.list-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 16px;
  color: var(--muted);
}

.sort-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.page-link {
  display: inline-flex;
  min-width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid rgba(23, 20, 23, 0.14);
  font-weight: 700;
}

.page-link.is-active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}

.inline-form {
  display: inline;
}

.status-done {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(31, 157, 85, 0.12);
  color: #1f7a47;
  font-weight: 700;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: end;
  margin-bottom: 18px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid rgba(23, 20, 23, 0.08);
  padding: 12px 10px;
  vertical-align: top;
}

th {
  color: var(--blue);
  font-size: 0.88rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.admin-login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.admin-login-card {
  width: min(500px, 100%);
  padding: 34px;
}

@media print {
  @page {
    size: A4 portrait;
    margin: 12mm;
  }

  body {
    background: #fff;
  }

  .no-print {
    display: none !important;
  }

  .print-only {
    display: block !important;
  }

  body.printing-card > *:not(main) {
    display: none !important;
  }

  body.printing-card .hero-panel,
  body.printing-card .results-header,
  body.printing-card .info-note,
  body.printing-card .empty-state,
  body.printing-card .cards-list > .student-card:not(.is-printing),
  body.printing-card .helper-note,
  body.printing-card .site-footer,
  body.printing-card .modal {
    display: none !important;
  }

  body.printing-card .hero-shell,
  body.printing-card .results-panel,
  body.printing-card .cards-list {
    width: 100%;
    margin: 0;
    padding: 0;
    box-shadow: none;
    border: 0;
    background: #fff;
  }

  body.printing-card .student-card.is-printing,
  .student-card,
  .results-panel,
  .hero-panel,
  .panel {
    box-shadow: none;
    border-color: #bdbdbd;
  }

  body.printing-card .student-card.is-printing {
    max-width: 760px;
    margin: 0 auto;
    padding: 22px;
    border: 1px solid #666;
    border-radius: 18px;
    page-break-inside: avoid;
  }

  body.printing-card .card-grid {
    gap: 14px;
  }

  body.printing-card .card-header {
    margin-bottom: 18px;
  }

  body.printing-card .delima-id {
    color: #000;
  }
}

@media (max-width: 900px) {
  .hero-shell,
  .print-shell {
    width: min(100%, calc(100% - 20px));
    margin: 16px auto 28px;
  }

  .hero-panel,
  .results-panel,
  .student-card,
  .panel,
  .admin-login-card,
  .admin-sidebar,
  .admin-content {
    border-radius: 24px;
  }

  .hero-panel {
    padding: 22px 18px;
  }

  .hero-panel::after {
    width: 180px;
    height: 180px;
    inset: auto -52px -60px auto;
  }

  .brand-lockup,
  .card-header,
  .admin-shell {
    grid-template-columns: 1fr;
  }

  .hero-logo,
  .card-logo {
    width: 104px;
  }

  .search-form,
  .upload-grid,
  .admin-filter-bar,
  .stats-grid,
  .quick-links,
  .hero-stats,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .search-main-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .search-main-row input {
    grid-column: 1 / -1;
  }

  .search-main-row .btn-primary,
  .search-main-row .btn-neutral {
    width: 100%;
    min-height: 52px;
  }

  .panel-head,
  .results-header {
    flex-direction: column;
    align-items: start;
  }

  .card-actions,
  .print-actions,
  .list-meta {
    flex-direction: column;
    align-items: stretch;
  }

  .card-actions > *,
  .print-actions > * {
    width: 100%;
  }

  .admin-sidebar {
    position: static;
    padding: 20px;
  }

  .admin-nav-toggle {
    display: inline-flex;
  }

  .admin-nav {
    display: none;
    margin-top: 14px;
  }

  .admin-sidebar.is-open .admin-nav {
    display: grid;
  }

  .admin-sidebar p {
    margin-bottom: 0;
  }

  .stats-grid article,
  .quick-link-card,
  .panel {
    padding: 18px;
  }

  .quick-link-card strong {
    font-size: 1rem;
  }

  .admin-content {
    padding: 16px;
  }

  .site-footer {
    position: static;
  }

  .site-footer-inner {
    width: min(100%, calc(100% - 28px));
    padding: 18px 0 86px;
    font-size: 0.83rem;
  }

  .footer-email {
    display: inline-flex;
    margin-left: 4px;
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: clamp(2rem, 11vw, 3.2rem);
    line-height: 1.02;
  }

  .eyebrow {
    font-size: 0.86rem;
    margin-bottom: 8px;
  }

  .hero-copy {
    font-size: 0.98rem;
    line-height: 1.5;
  }

  .hero-stats div,
  .stats-grid article {
    padding: 16px;
  }

  .empty-state {
    padding: 30px 16px;
  }

  .results-panel {
    padding: 20px 16px;
  }

  .modal {
    padding: 12px;
  }

  .modal-panel {
    border-radius: 22px;
    padding: 24px 18px;
  }

  .admin-shell {
    width: min(100%, calc(100% - 14px));
    margin: 12px auto 20px;
    gap: 14px;
  }

  .admin-sidebar,
  .admin-content,
  .panel {
    border-radius: 22px;
  }

  .panel-head {
    margin-bottom: 14px;
  }

  .quick-links {
    gap: 12px;
  }

  .table-wrap {
    margin: 0 -4px;
  }

  .admin-fab {
    right: 12px;
    bottom: 14px;
    padding: 8px 12px;
    font-size: 0.8rem;
    border-radius: 14px;
  }
}