:root {
  color-scheme: light;
  --bg: #f4f8ff;
  --bg-strong: #ffffff;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-alt: rgba(242, 247, 255, 0.92);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --text: #06111f;
  --text-soft: #2c3d52;
  --muted: #61748a;
  --line: rgba(76, 122, 191, 0.16);
  --line-strong: rgba(45, 98, 190, 0.24);
  --primary: #1f6feb;
  --primary-strong: #1258c7;
  --primary-soft: rgba(31, 111, 235, 0.12);
  --accent: #0b1220;
  --accent-soft: rgba(11, 18, 32, 0.08);
  --success: #0b7a43;
  --success-soft: rgba(11, 122, 67, 0.12);
  --danger: #ca2f45;
  --danger-soft: rgba(202, 47, 69, 0.12);
  --shadow: 0 24px 60px rgba(17, 42, 79, 0.12);
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #07111f;
  --bg-strong: #0d1727;
  --surface: rgba(14, 24, 40, 0.8);
  --surface-alt: rgba(18, 31, 49, 0.9);
  --surface-strong: rgba(16, 28, 45, 0.96);
  --text: #edf4ff;
  --text-soft: #c5d5ea;
  --muted: #92a6c0;
  --line: rgba(115, 160, 229, 0.18);
  --line-strong: rgba(93, 150, 244, 0.32);
  --primary: #66a3ff;
  --primary-strong: #8bb8ff;
  --primary-soft: rgba(102, 163, 255, 0.16);
  --accent: #f8fbff;
  --accent-soft: rgba(248, 251, 255, 0.08);
  --success: #52d39c;
  --success-soft: rgba(82, 211, 156, 0.14);
  --danger: #ff8ea2;
  --danger-soft: rgba(255, 142, 162, 0.16);
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Segoe UI", "Noto Sans", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(31, 111, 235, 0.18), transparent 30%),
    radial-gradient(circle at top right, rgba(11, 18, 32, 0.12), transparent 26%),
    linear-gradient(180deg, var(--bg-strong) 0%, var(--bg) 100%);
}

.page-backdrop {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.backdrop-orb {
  position: absolute;
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.5;
}

.orb-left {
  top: -8rem;
  left: -10rem;
  background: rgba(31, 111, 235, 0.18);
}

.orb-right {
  top: 16rem;
  right: -10rem;
  background: rgba(11, 18, 32, 0.16);
}

.backdrop-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(127, 170, 237, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 170, 237, 0.08) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 85%);
}

.page-shell {
  position: relative;
  z-index: 1;
  max-width: 1480px;
  margin: 0 auto;
  padding: 32px 20px 56px;
}

.theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-strong);
  color: var(--text);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  cursor: pointer;
}

.theme-toggle-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
}

.login-screen {
  min-height: calc(100vh - 88px);
  display: grid;
  grid-template-columns: minmax(320px, 420px);
  align-items: center;
  justify-content: center;
  gap: 0;
}

.brand-box,
.card,
.subcard {
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand-box,
.card {
  background: var(--surface-strong);
  padding: 30px;
}

.subcard {
  padding: 24px;
  background: var(--surface-alt);
}

.brand-box-large {
  position: relative;
  overflow: hidden;
}

.brand-box-large::after {
  content: "";
  position: absolute;
  inset: auto -4rem -5rem auto;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(31, 111, 235, 0.18), transparent 65%);
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.info-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--primary-soft);
  color: var(--text-soft);
  font-size: 0.9rem;
  font-weight: 600;
}

.login-card {
  max-width: 420px;
  width: 100%;
}

.compact-login-card {
  padding-top: 24px;
}

.compact-heading {
  margin-bottom: 6px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}

.topbar-panel {
  margin-bottom: 24px;
  padding: 24px 28px;
  border-radius: 28px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.topbar-content {
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary);
}

.lead,
.meta-line,
.hint,
.field-error,
.muted-code {
  color: var(--muted);
}

.muted-code {
  margin: 4px 0 0;
  font-family: Consolas, monospace;
  font-size: 0.88rem;
  word-break: break-all;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.02;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

.admin-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 22px;
}

.side-menu {
  display: grid;
  gap: 12px;
  align-content: start;
  position: sticky;
  top: 22px;
}

.menu-header {
  margin-bottom: 10px;
}

.menu-link {
  display: block;
  padding: 14px 16px;
  border-radius: 18px;
  text-decoration: none;
  color: var(--text);
  background: var(--surface-alt);
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.menu-link:hover,
.menu-link.active {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.menu-link.active {
  background: linear-gradient(135deg, var(--primary), #0c1c31);
  color: #fff;
}

.content-stack {
  display: grid;
  gap: 22px;
}

.panel-card {
  overflow: hidden;
}

.narrow-card {
  max-width: 560px;
}

.section-heading {
  margin-bottom: 20px;
}

.split-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
}

.form-grid {
  display: grid;
  gap: 12px;
}

.inline-form {
  margin-bottom: 18px;
}

.permissions-grid {
  display: grid;
  gap: 10px;
}

.permission-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface-strong);
}

.permission-item input {
  width: auto;
}

label {
  font-weight: 700;
}

input,
select,
button {
  font: inherit;
}

input,
select {
  width: 100%;
  padding: 13px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-soft);
}

select[multiple] {
  min-height: 170px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 999px;
  padding: 11px 16px;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease, border-color 0.15s ease;
}

button:hover {
  transform: translateY(-1px);
}

.primary-button {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
}

.secondary-button,
.ghost-button {
  background: var(--surface-alt);
  color: var(--text);
  border: 1px solid var(--line);
}

.ghost-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-alt);
  color: var(--text);
  text-decoration: none;
}

.ghost-button.danger {
  color: var(--danger);
  border-color: rgba(202, 47, 69, 0.28);
  background: var(--danger-soft);
}

.alert {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.alert.success {
  border-color: rgba(11, 122, 67, 0.24);
  background: var(--success-soft);
}

.alert.error {
  border-color: rgba(202, 47, 69, 0.24);
  background: var(--danger-soft);
}

.alert.info {
  border-color: rgba(31, 111, 235, 0.24);
  background: var(--primary-soft);
}

.upload-progress {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-alt);
}

.upload-progress[hidden] {
  display: none;
}

.upload-progress-header {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: var(--text-soft);
  font-size: 0.94rem;
  font-weight: 700;
}

.upload-progress-track {
  overflow: hidden;
  height: 12px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.upload-progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--primary-strong));
  transition: width 0.2s ease;
}

.upload-progress-complete .upload-progress-bar {
  background: linear-gradient(90deg, var(--success), var(--primary));
}

.upload-progress-error {
  border-color: rgba(202, 47, 69, 0.26);
  background: var(--danger-soft);
}

.upload-progress-error .upload-progress-header {
  color: var(--danger);
}

.upload-progress-indeterminate .upload-progress-bar {
  width: 45%;
  animation: upload-indeterminate 1.1s ease-in-out infinite;
}

.compact-progress {
  min-width: 260px;
  padding: 10px;
}

.release-file-upload {
  display: grid;
  gap: 8px;
  min-width: 260px;
}

.release-file-upload input[type="file"] {
  padding: 10px;
  border-radius: 14px;
}

.release-download-form {
  display: grid;
  gap: 8px;
  min-width: 240px;
}

.file-choice {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--text-soft);
}

.file-choice input {
  width: auto;
}

.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.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;
}

@keyframes upload-indeterminate {
  0% {
    transform: translateX(-120%);
  }

  100% {
    transform: translateX(240%);
  }
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 14px 10px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.badge-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.badge-neutral {
  background: var(--accent-soft);
  color: var(--text-soft);
}

.program-card {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.program-card:first-of-type {
  padding-top: 0;
}

.program-card:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

.program-card-copy {
  max-width: 520px;
}

code {
  word-break: break-all;
}

@media (max-width: 1120px) {
  .admin-layout,
  .split-grid {
    grid-template-columns: 1fr;
  }

  .side-menu {
    position: static;
  }
}

@media (max-width: 760px) {
  .page-shell {
    padding: 88px 14px 40px;
  }

  .topbar,
  .program-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-box,
  .card,
  .subcard,
  .topbar-panel {
    padding: 22px;
    border-radius: 22px;
  }

  .theme-toggle {
    top: 12px;
    right: 12px;
  }
}