:root {
  color-scheme: dark;
  --bg: #071018;
  --surface: #0d1822;
  --surface-2: #101f2b;
  --border: #223341;
  --text: #f3f7fa;
  --muted: #9fb2c0;
  --accent: #2cf2a0;
  --accent-soft: rgba(44, 242, 160, .12);
  --blue: #4cb8ff;
  --danger: #ff6f7d;
  --shadow: 0 24px 70px rgba(0, 0, 0, .28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

  a:focus-visible, button:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
  }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 72% 12%, rgba(76,184,255,.10), transparent 31%), radial-gradient(circle at 18% 88%, rgba(44,242,160,.08), transparent 29%), linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: auto, auto, 34px 34px, 34px 34px;
}

.app-shell {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
}

.sidebar {
  min-height: 100vh;
  border-right: 1px solid var(--border);
  background: rgba(9,20,29,.92);
  backdrop-filter: blur(20px);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  padding: 6px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #04100a;
  background: var(--accent);
  font-weight: 900;
  letter-spacing: -.04em;
  box-shadow: 0 0 36px rgba(44,242,160,.16);
}

.brand-copy {
  display: grid;
  gap: 2px;
}

  .brand-copy strong {
    font-size: .95rem;
  }

  .brand-copy small {
    color: var(--muted);
    font-size: .72rem;
  }

.nav-list {
  margin-top: 44px;
  display: grid;
  gap: 8px;
}

  .nav-list a {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 12px;
    border-radius: 10px;
    color: var(--muted);
    border: 1px solid transparent;
  }

    .nav-list a.active {
      background: var(--accent-soft);
      border-color: rgba(44,242,160,.22);
      color: var(--text);
    }

.sidebar-status {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding: 18px 8px 2px;
  color: var(--muted);
  font-size: .76rem;
  display: flex;
  align-items: center;
  gap: 9px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
}

.content-shell {
  min-width: 0;
}

.topbar {
  min-height: 78px;
  border-bottom: 1px solid var(--border);
  padding: 16px clamp(22px,4vw,54px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(7,16,24,.76);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 2;
}

  .topbar > div {
    display: grid;
    gap: 4px;
  }

.eyebrow {
  color: var(--accent);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.environment-chip {
  color: #b9f8df;
  background: var(--accent-soft);
  border: 1px solid rgba(44,242,160,.22);
  padding: 7px 10px;
  border-radius: 999px;
  font-size: .74rem;
}

.page-body {
  padding: clamp(28px,5vw,66px);
  max-width: 1480px;
  margin: 0 auto;
}

.hero {
  min-height: 410px;
  border: 1px solid var(--border);
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(16,31,43,.95), rgba(8,20,29,.75));
  box-shadow: var(--shadow);
  padding: clamp(28px,5vw,64px);
  display: grid;
  grid-template-columns: minmax(0,1.65fr) minmax(300px,.7fr);
  gap: 48px;
  align-items: center;
  overflow: hidden;
  position: relative;
}

  .hero::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    right: -180px;
    top: -200px;
    border: 1px solid rgba(76,184,255,.22);
    box-shadow: 0 0 90px rgba(76,184,255,.08) inset;
  }

  .hero h1 {
    font-size: clamp(2.1rem,4.5vw,4.6rem);
    line-height: .99;
    letter-spacing: -.055em;
    max-width: 950px;
    margin: 16px 0 24px;
  }

  .hero p {
    color: var(--muted);
    max-width: 740px;
    line-height: 1.75;
    font-size: 1.03rem;
  }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  text-decoration: none;
  border-radius: 10px;
  padding: 11px 16px;
  font-weight: 750;
  border: 1px solid var(--border);
}

.button-primary {
  background: var(--accent);
  color: #04100a;
  border-color: var(--accent);
}

.button-secondary {
  background: rgba(255,255,255,.02);
}

.signal-card {
  min-height: 250px;
  border: 1px solid rgba(44,242,160,.22);
  background: rgba(5,15,20,.72);
  border-radius: 20px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 12px;
  position: relative;
}

  .signal-card > span {
    color: var(--muted);
    font-size: .72rem;
    letter-spacing: .16em;
  }

  .signal-card strong {
    font-size: 1.55rem;
    letter-spacing: -.03em;
  }

  .signal-card small {
    color: var(--muted);
  }

.signal-pulse {
  width: 56px;
  height: 56px;
  border: 1px solid rgba(44,242,160,.28);
  border-radius: 50%;
  margin-bottom: 14px;
  position: relative;
}

  .signal-pulse::after {
    content: "";
    position: absolute;
    inset: 17px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 24px var(--accent);
  }

.foundation-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4,minmax(0,1fr));
  gap: 16px;
}

.foundation-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(13,24,34,.76);
  padding: 24px;
  min-height: 210px;
}

.card-index {
  color: var(--blue);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .15em;
}

.foundation-card h2 {
  margin: 44px 0 10px;
  font-size: 1.1rem;
}

.foundation-card p, .next-slice p {
  color: var(--muted);
  line-height: 1.65;
  margin: 0;
}

.next-slice {
  margin-top: 22px;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  background: rgba(13,24,34,.55);
}

  .next-slice h2 {
    margin: 8px 0 10px;
  }

.empty-state {
  margin: 80px auto;
  max-width: 640px;
  padding: 40px;
  border: 1px solid var(--border);
  border-radius: 20px;
}

.primary-link {
  color: var(--accent);
}

@media (max-width: 1050px) {
  .foundation-grid {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }

  .hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
    height: auto;
    position: relative;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-list {
    margin-top: 18px;
  }

  .sidebar-status {
    display: none;
  }

  .topbar {
    position: relative;
  }

  .foundation-grid {
    grid-template-columns: 1fr;
  }
}

/* Stage 20 — Identity & authorization */
.account-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

  .account-actions form {
    margin: 0;
  }

.link-button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  padding: 7px 4px;
}

  .link-button:hover {
    color: var(--text);
  }

.auth-page {
  min-height: calc(100vh - 210px);
  display: grid;
  place-items: center;
}

.auth-card, .form-card, .table-card {
  border: 1px solid var(--border);
  background: rgba(13,24,34,.86);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.auth-card {
  width: min(460px,100%);
  padding: 36px;
}

  .auth-card h1, .page-heading h1 {
    margin: 8px 0 10px;
    font-size: clamp(2rem,4vw,3.4rem);
    letter-spacing: -.045em;
  }

  .auth-card > p, .page-heading p, .muted {
    color: var(--muted);
  }

.auth-form, .form-card form {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

  .auth-form label, .form-card label {
    color: var(--muted);
    font-size: .82rem;
    font-weight: 700;
    margin-top: 6px;
  }

input, select {
  width: 100%;
  min-height: 44px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #08131c;
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

  input:focus, select:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
    border-color: transparent;
  }

.checkbox-row {
  display: flex !important;
  align-items: center;
  gap: 9px;
  margin: 8px 0 12px !important;
}

  .checkbox-row input {
    width: 18px;
    min-height: 18px;
  }

.alert {
  border-radius: 12px;
  padding: 12px 14px;
  margin: 16px 0;
}

.alert-danger {
  border: 1px solid rgba(255,111,125,.35);
  background: rgba(255,111,125,.10);
  color: #ffd0d5;
}

.alert-success {
  border: 1px solid rgba(44,242,160,.3);
  background: var(--accent-soft);
  color: #c5ffe8;
}

.page-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(240px,520px) auto;
  gap: 10px;
  align-items: center;
  margin: 18px 0;
}

.table-card {
  overflow: auto;
}

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

th, td {
  text-align: left;
  padding: 15px 16px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: .72rem;
  font-weight: 800;
}

  .status-badge.active {
    color: #b9f8df;
    background: var(--accent-soft);
  }

  .status-badge.inactive {
    color: #ffd0d5;
    background: rgba(255,111,125,.11);
  }

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

.form-card {
  padding: 26px;
}

  .form-card h2 {
    margin-top: 0;
  }

  .form-card dl {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: 10px;
  }

  .form-card dt {
    color: var(--muted);
  }

  .form-card dd {
    margin: 0;
  }

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.button-danger {
  background: rgba(255,111,125,.12);
  color: #ffd0d5;
  border-color: rgba(255,111,125,.35);
}

.role-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 20px;
}

.validation-message, .validation-errors {
  color: #ff9da7;
}

@media (max-width:760px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .page-heading {
    flex-direction: column;
  }

  .toolbar {
    grid-template-columns: 1fr;
  }

  .account-actions .environment-chip {
    display: none;
  }
}

/* Stage 23 — Reusable interaction engine */
.interaction-stack {
  display: grid;
  gap: 18px;
  margin: 18px 0;
}

.interaction-card {
  border: 1px solid rgba(76,184,255,.22);
  background: linear-gradient(145deg,rgba(10,25,36,.94),rgba(7,18,27,.88));
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
}

  .interaction-card h3 {
    margin: 8px 0 10px;
    font-size: 1.25rem;
  }

  .interaction-card > p {
    color: var(--muted);
    line-height: 1.65;
  }

.interaction-choices {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.interaction-choice {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.025);
  color: var(--text);
  border-radius: 12px;
  padding: 14px 16px;
  font: inherit;
  cursor: pointer;
  transition: transform .12s ease,border-color .12s ease,background .12s ease;
}

  .interaction-choice:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: rgba(44,242,160,.45);
    background: rgba(44,242,160,.06);
  }

  .interaction-choice:disabled {
    opacity: .62;
    cursor: wait;
  }

.interaction-feedback {
  margin-top: 16px;
  border-radius: 12px;
  padding: 14px 16px;
}

  .interaction-feedback p {
    margin: 6px 0 0;
    line-height: 1.55;
  }

  .interaction-feedback.correct {
    border: 1px solid rgba(44,242,160,.30);
    background: rgba(44,242,160,.08);
    color: #c5ffe8;
  }

  .interaction-feedback.review {
    border: 1px solid rgba(255,190,92,.30);
    background: rgba(255,190,92,.08);
    color: #ffe2ad;
  }


.certificate-sheet {
  max-width: 980px;
  margin: 0 auto;
  padding: 56px;
  border: 1px solid var(--border, #2d3b49);
  border-radius: 24px;
  background: rgba(12, 22, 31, 0.92);
  text-align: center;
}

  .certificate-sheet h1 {
    margin: 18px 0 8px;
  }

  .certificate-sheet h2 {
    font-size: clamp(2rem, 5vw, 4rem);
    margin: 22px 0;
  }

.certificate-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 36px 0;
  text-align: left;
}

  .certificate-meta > div,
  .verification-grid {
    border: 1px solid var(--border, #2d3b49);
    border-radius: 14px;
    padding: 16px;
  }

  .certificate-meta span {
    display: block;
    opacity: .7;
    margin-bottom: 6px;
  }

.verification-grid {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 12px 24px;
}

  .verification-grid dt {
    font-weight: 700;
  }

  .verification-grid dd {
    margin: 0;
  }

@media (max-width: 800px) {
  .certificate-meta {
    grid-template-columns: 1fr;
  }

  .verification-grid {
    grid-template-columns: 1fr;
  }
}

@media print {
  .sidebar,
  .topbar,
  .course-actions {
    display: none !important;
  }

  .content-shell,
  .page-body {
    margin: 0 !important;
    padding: 0 !important;
  }

  .certificate-sheet {
    border: 0;
    background: white;
    color: black;
    max-width: none;
    min-height: 90vh;
  }
}


/* Stage 27 — Campaign analytics, compliance and training intelligence */
.analytics-kpis {
  display: grid;
  grid-template-columns: repeat(5,minmax(0,1fr));
  gap: 14px;
  margin: 18px 0 24px;
}

.analytics-kpi {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: linear-gradient(145deg,rgba(16,31,43,.96),rgba(9,20,29,.92));
  box-shadow: var(--shadow);
}

  .analytics-kpi span, .analytics-kpi small {
    display: block;
    color: var(--muted);
  }

  .analytics-kpi span {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 800;
  }

  .analytics-kpi strong {
    display: block;
    font-size: 1.9rem;
    margin: 8px 0 4px;
  }

  .analytics-kpi small {
    line-height: 1.4;
  }

@media (max-width:1100px) {
  .analytics-kpis {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }
}

@media (max-width:620px) {
  .analytics-kpis {
    grid-template-columns: 1fr;
  }
}

/* ========================================================================== 
   Post-RC1 UI/UX Professionalization — Wave 1
   Presentation-only refinement. No functional behavior is defined here.
   ========================================================================== */

:root {
  --surface-raised: #122330;
  --surface-hover: #162a39;
  --border-soft: rgba(159, 178, 192, .14);
  --border-strong: rgba(159, 178, 192, .26);
  --accent-hover: #52f6b5;
  --accent-pressed: #19d98a;
  --control-bg: rgba(5, 15, 23, .78);
  --control-bg-hover: rgba(8, 21, 31, .94);
  --focus-ring: 0 0 0 3px rgba(44, 242, 160, .14);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-5: 24px;
  --space-6: 30px;
}

/* Consistent typography and readable content rhythm */
.page-body {
  line-height: 1.5;
}

.page-heading {
  align-items: center;
  margin-bottom: 28px;
}

  .page-heading > div:first-child {
    min-width: 0;
    max-width: 900px;
  }

  .page-heading h1 {
    margin-bottom: 8px;
    line-height: 1.06;
  }

  .page-heading p {
    max-width: 780px;
    margin: 0;
    line-height: 1.65;
  }

/* Professional reusable panels used throughout admin and learner pages */
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(15, 29, 40, .92), rgba(10, 22, 31, .88));
  box-shadow: 0 16px 48px rgba(0, 0, 0, .18);
  padding: clamp(22px, 2.7vw, 32px);
  margin-bottom: 22px;
}

  .panel > :first-child {
    margin-top: 0;
  }

  .panel > :last-child {
    margin-bottom: 0;
  }

  .panel h2 {
    margin: 0 0 8px;
    font-size: 1.2rem;
    letter-spacing: -.02em;
  }

  .panel h3 {
    margin: 24px 0 8px;
    font-size: 1rem;
  }

  .panel p {
    color: var(--muted);
    line-height: 1.65;
  }

/* Unified form layout */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 24px;
  align-items: start;
}

  .form-grid > label,
  .form-grid > .field,
  .auth-form label,
  .form-card label {
    min-width: 0;
  }

  .form-grid label,
  .auth-form label,
  .form-card label {
    display: grid;
    gap: 8px;
    color: #c7d5de;
    font-size: .79rem;
    font-weight: 750;
    letter-spacing: .015em;
    text-align: left;
  }

  .form-grid .full,
  .form-grid > .full {
    grid-column: 1 / -1;
  }

/* Controls: exact visual alignment for input, select and description fields */
input,
select,
textarea,
.input-control {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--control-bg);
  color: var(--text);
  font: inherit;
  font-size: .91rem;
  line-height: 1.45;
  text-align: left;
  transition: border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

input,
select,
.input-control {
  min-height: 46px;
  padding: 10px 13px;
}

textarea {
  display: block;
  min-height: 128px;
  padding: 12px 13px;
  resize: vertical;
  vertical-align: top;
}

  input:hover:not(:disabled),
  select:hover:not(:disabled),
  textarea:hover:not(:disabled) {
    border-color: rgba(159, 178, 192, .38);
    background: var(--control-bg-hover);
  }

  input:focus,
  select:focus,
  textarea:focus {
    outline: none;
    border-color: rgba(44, 242, 160, .72);
    box-shadow: var(--focus-ring);
    background: rgba(7, 20, 29, .98);
  }

  input::placeholder,
  textarea::placeholder {
    color: #6f8593;
  }

  input:disabled,
  select:disabled,
  textarea:disabled {
    cursor: not-allowed;
    opacity: .58;
    background: rgba(8, 17, 24, .72);
  }

/* Keep multiline description content visually anchored and readable */
label.full textarea,
.form-grid .full textarea {
  min-height: 142px;
}

/* Validation/helper text follows the control rather than floating awkwardly */
.validation-message,
.validation-errors,
.validation-error {
  color: #ff9ca7;
  font-size: .78rem;
  line-height: 1.45;
}

.validation-message {
  margin-top: -2px;
}

.validation-error.panel,
.panel.validation-error {
  border-color: rgba(255, 111, 125, .32);
  background: rgba(255, 111, 125, .075);
}

/* Unified button system — applies to both links and native buttons */
button,
.button,
.primary-button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 9px 15px;
  background: rgba(255, 255, 255, .025);
  color: var(--text);
  font: inherit;
  font-size: .84rem;
  font-weight: 760;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .14s ease, border-color .14s ease, background .14s ease, color .14s ease, box-shadow .14s ease;
}

  button:hover:not(:disabled),
  .button:hover,
  .primary-button:hover:not(:disabled) {
    transform: translateY(-1px);
    border-color: rgba(44, 242, 160, .36);
    background: var(--surface-hover);
  }

  button:active:not(:disabled),
  .button:active,
  .primary-button:active:not(:disabled) {
    transform: translateY(0);
  }

  button:focus-visible,
  .button:focus-visible,
  .primary-button:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
  }

  button:disabled,
  .primary-button:disabled {
    cursor: not-allowed;
    opacity: .5;
    transform: none;
  }

.primary-button,
.button-primary {
  border-color: rgba(44, 242, 160, .72);
  background: linear-gradient(180deg, var(--accent-hover), var(--accent));
  color: #03120b;
  box-shadow: 0 9px 22px rgba(44, 242, 160, .10);
}

  .primary-button:hover:not(:disabled),
  .button-primary:hover {
    border-color: var(--accent-hover);
    background: linear-gradient(180deg, #65f8be, var(--accent-hover));
    color: #03120b;
    box-shadow: 0 12px 28px rgba(44, 242, 160, .16);
  }

.button-secondary {
  background: rgba(255, 255, 255, .025);
  color: #dbe6ed;
}

.button-danger {
  color: #ffd2d6;
  background: rgba(255, 111, 125, .10);
  border-color: rgba(255, 111, 125, .34);
}

  .button-danger:hover {
    background: rgba(255, 111, 125, .16);
    border-color: rgba(255, 111, 125, .52);
  }

/* Action bars: consistent spacing and alignment everywhere */
.course-actions,
.form-actions,
.hero-actions,
.account-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.course-actions {
  margin-top: 24px;
  padding-top: 2px;
}

  .course-actions > form,
  .form-actions > form {
    margin: 0;
  }

  .course-actions > button,
  .course-actions > a,
  .form-actions > button,
  .form-actions > a {
    margin: 0;
  }

/* Tables: clearer hierarchy, row rhythm and action alignment */
.data-table,
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table-card,
.panel:has(> .data-table) {
  overflow-x: auto;
}

.data-table th,
.data-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--border-soft);
}

.data-table th {
  position: relative;
  color: #91a7b5;
  background: rgba(255, 255, 255, .018);
  font-size: .69rem;
  font-weight: 820;
  letter-spacing: .095em;
  text-transform: uppercase;
  white-space: nowrap;
}

.data-table tbody tr {
  transition: background .14s ease;
}

  .data-table tbody tr:hover {
    background: rgba(76, 184, 255, .035);
  }

  .data-table tbody tr:last-child td {
    border-bottom: 0;
  }

.data-table td:last-child:has(> button),
.data-table td:last-child:has(> a) {
  text-align: right;
  white-space: nowrap;
}

.data-table td button,
.data-table td .button,
.data-table td .primary-button {
  min-height: 36px;
  padding: 7px 12px;
  font-size: .78rem;
}

/* Details, metadata and status presentation */
.detail-grid {
  gap: 22px;
}

.status-badge {
  min-height: 26px;
  padding: 5px 10px;
  border: 1px solid transparent;
}

  .status-badge.active {
    border-color: rgba(44, 242, 160, .18);
  }

  .status-badge.inactive {
    border-color: rgba(255, 111, 125, .18);
  }

/* Slightly more polished navigation feedback without changing behavior */
.nav-list a {
  transition: background .15s ease, color .15s ease, border-color .15s ease, transform .15s ease;
}

  .nav-list a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, .028);
    transform: translateX(1px);
  }

  .nav-list a.active:hover {
    background: var(--accent-soft);
  }

/* Responsive form/action behavior */
@media (max-width: 860px) {
  .form-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

    .form-grid .full,
    .form-grid > .full {
      grid-column: auto;
    }

  .page-heading {
    align-items: flex-start;
  }
}

@media (max-width: 560px) {
  .panel {
    padding: 20px 16px;
    border-radius: 16px;
  }

  .course-actions,
  .form-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
  }

    .course-actions > button,
    .course-actions > a,
    .form-actions > button,
    .form-actions > a {
      width: 100%;
    }

  .data-table th,
  .data-table td {
    padding: 12px 13px;
  }
}