:root {
  --bg: #0f172a;
  --bg-soft: #111c33;
  --card: #16213a;
  --card-border: rgba(148, 163, 184, 0.18);
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, 0.12);
  --info: #7dd3fc;
  --info-bg: rgba(125, 211, 252, 0.12);
  --success: #4ade80;
  --shadow: 0 24px 60px rgba(2, 6, 23, 0.45);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.12), transparent 32%),
    linear-gradient(160deg, #0b1220 0%, var(--bg) 55%, #0a1020 100%);
}

.page-login {
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-shell {
  width: min(100%, 440px);
}

.login-card,
.program-card,
.dashboard-hero {
  background: rgba(22, 33, 58, 0.92);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.login-card {
  padding: 32px;
}

.login-brand,
.topbar__brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.login-mark,
.topbar__mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #082f49;
  font-weight: 700;
  font-size: 1.25rem;
}

.login-eyebrow,
.topbar__eyebrow {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.login-card h1,
.dashboard-hero h1 {
  margin: 4px 0 0;
  font-size: 1.7rem;
  line-height: 1.2;
}

.login-lead,
.dashboard-hero p {
  color: var(--muted);
  line-height: 1.6;
}

.login-form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  font-size: 0.92rem;
  color: var(--muted);
}

.field input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.85);
  color: var(--text);
  font: inherit;
}

.field input:focus {
  outline: 2px solid rgba(56, 189, 248, 0.35);
  border-color: rgba(56, 189, 248, 0.55);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 18px;
  border: 0;
  border-radius: 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #082f49;
}

.btn-ghost {
  background: rgba(148, 163, 184, 0.08);
  color: var(--text);
}

.btn-muted {
  background: rgba(148, 163, 184, 0.14);
  color: var(--muted);
}

.btn-danger {
  background: rgba(248, 113, 113, 0.18);
  color: #fecaca;
}

.btn-danger:hover:not(:disabled) {
  background: rgba(248, 113, 113, 0.28);
}

.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-table {
  margin-top: 20px;
}

.admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.admin-actions form {
  margin: 0;
}

.status-ok {
  color: #86efac;
}

.status-off {
  color: #fca5a5;
}

.flash-stack {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
}

.flash {
  margin: 0;
  padding: 12px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
}

.flash--error {
  background: var(--danger-bg);
  color: #fecaca;
}

.flash--info {
  background: var(--info-bg);
  color: #e0f2fe;
}

.login-note {
  margin: 16px 0 0;
  color: #fecaca;
  font-size: 0.92rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--card-border);
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar__title {
  margin: 2px 0 0;
  font-weight: 600;
}

.topbar__user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar__profile {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.08);
  border: 1px solid var(--card-border);
  color: inherit;
  font: inherit;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.topbar__profile:hover,
.user-menu--open .topbar__profile {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.35);
}

.topbar__chevron {
  width: 16px;
  height: 16px;
  color: var(--muted);
  transition: transform 0.15s ease;
}

.user-menu--open .topbar__chevron {
  transform: rotate(180deg);
}

.user-menu {
  position: relative;
}

.user-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  min-width: 220px;
  padding: 10px;
  border-radius: 14px;
  background: rgba(22, 33, 58, 0.98);
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
  z-index: 30;
}

.user-menu__label {
  margin: 4px 10px 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.user-menu__username {
  margin: 2px 10px 10px;
  font-weight: 600;
}

.user-menu__item {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}

.user-menu__item:hover {
  background: rgba(148, 163, 184, 0.1);
}

.user-menu__item--danger {
  color: #fecaca;
}

.user-menu__item--danger:hover {
  background: rgba(248, 113, 113, 0.12);
}

.user-menu__panel form {
  margin: 0;
}

.topbar__avatar {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.22), rgba(14, 165, 233, 0.35));
  color: #bae6fd;
  flex-shrink: 0;
}

.topbar__avatar svg {
  width: 18px;
  height: 18px;
}

.topbar__name {
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
}

.dashboard {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.dashboard-hero {
  padding: 28px 30px;
  margin-bottom: 22px;
}

.program-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.program-card {
  padding: 22px;
  display: grid;
  gap: 14px;
}

.program-card__head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.program-card h2 {
  margin: 0;
  font-size: 1.15rem;
}

.badge {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.14);
  color: #bae6fd;
  font-size: 0.78rem;
  white-space: nowrap;
}

.program-card--soon p {
  color: var(--muted);
  line-height: 1.6;
}

.tool-page {
  width: min(1200px, calc(100% - 32px));
}

.tool-card,
.results-card {
  background: rgba(22, 33, 58, 0.92);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
  margin-bottom: 22px;
}

.tool-card__head h1,
.results-card h2,
.results-section h3 {
  margin: 0 0 8px;
}

.tool-card__head p,
.section-lead,
.fieldset-note,
.empty-note {
  color: var(--muted);
  line-height: 1.6;
}

.tool-form {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.tool-grid--filters {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.field-wide {
  grid-column: 1 / -1;
}

.field input[type="file"] {
  padding: 10px 0;
  color: var(--muted);
}

.fieldset {
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 16px 18px;
  margin: 0;
}

.fieldset legend {
  padding: 0 8px;
  color: var(--accent);
  font-weight: 600;
}

.checkbox-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin-top: 12px;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.results-summary {
  margin-bottom: 24px;
}

.results-summary__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.results-summary__head h2 {
  margin: 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.stat {
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid var(--card-border);
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.stat strong {
  font-size: 1.35rem;
}

.results-section + .results-section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--card-border);
}

.pair-list {
  display: grid;
  gap: 16px;
}

.pair-card {
  border: 1px solid var(--card-border);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.55);
}

.pair-card__head {
  padding: 10px 14px;
  font-weight: 600;
  background: rgba(56, 189, 248, 0.08);
  border-bottom: 1px solid var(--card-border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.data-table th,
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-weight: 600;
  background: rgba(15, 23, 42, 0.45);
}

.row-md {
  background: rgba(74, 222, 128, 0.05);
}

.row-dal {
  background: rgba(248, 113, 113, 0.05);
}

.side-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.side-badge--md {
  background: rgba(74, 222, 128, 0.16);
  color: #bbf7d0;
}

.side-badge--dal {
  background: rgba(248, 113, 113, 0.16);
  color: #fecaca;
}

@media (max-width: 900px) {
  .data-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 640px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar__user {
    justify-content: space-between;
  }

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