:root {
  --bg-0: #0b0f14;
  --bg-1: #0e1117;
  --panel: #161b22;
  --panel-soft: #1b2230;
  --line: rgba(148, 163, 184, 0.22);
  --line-strong: rgba(56, 189, 248, 0.45);
  --primary: #2dd4bf;
  --secondary: #38bdf8;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --ok: #22c55e;
  --warn: #ef4444;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-lg: 0 25px 60px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

.hidden {
  display: none !important;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 900px at -15% -25%, rgba(56, 189, 248, 0.13), transparent 52%),
    radial-gradient(1200px 900px at 120% 130%, rgba(45, 212, 191, 0.11), transparent 50%),
    linear-gradient(160deg, #090d12 0%, var(--bg-0) 35%, var(--bg-1) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  --color: rgba(114, 114, 114, 0.3);
  background-image:
    linear-gradient(
      0deg,
      transparent 24%,
      var(--color) 25%,
      var(--color) 26%,
      transparent 27%,
      transparent 74%,
      var(--color) 75%,
      var(--color) 76%,
      transparent 77%,
      transparent
    ),
    linear-gradient(
      90deg,
      transparent 24%,
      var(--color) 25%,
      var(--color) 26%,
      transparent 27%,
      transparent 74%,
      var(--color) 75%,
      var(--color) 76%,
      transparent 77%,
      transparent
    );
  background-size: 55px 55px;
  opacity: 0.22;
}

main {
  min-height: 100dvh;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.2;
}

h1 {
  font-weight: 800;
}

h2,
h3,
h4 {
  font-weight: 700;
}

p,
li {
  color: var(--muted);
  line-height: 1.68;
}

ul,
ol {
  margin: 0;
  padding-left: 1.05rem;
}

.screen {
  display: none;
  padding: 2rem;
}

.screen.active {
  display: block;
}

#welcome-screen {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

#welcome-screen::before,
#welcome-screen::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
}

#welcome-screen::before {
  width: 34rem;
  height: 34rem;
  background: radial-gradient(circle, rgba(45, 212, 191, 0.35), transparent 62%);
  top: -10rem;
  left: -8rem;
  animation: drift 10s ease-in-out infinite;
}

#welcome-screen::after {
  width: 30rem;
  height: 30rem;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.3), transparent 65%);
  right: -8rem;
  bottom: -10rem;
  animation: drift 12s ease-in-out infinite reverse;
}

.hero-glow {
  display: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  text-align: center;
  background: linear-gradient(155deg, rgba(22, 27, 34, 0.85), rgba(14, 17, 23, 0.6));
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
  padding: clamp(1.5rem, 4vw, 3rem);
  backdrop-filter: blur(10px);
  animation: rise 0.6s ease;
}

.hero-content h1 {
  margin-top: 0.7rem;
  font-size: clamp(2rem, 5vw, 4.4rem);
  letter-spacing: -0.03em;
}

.hero-content p {
  max-width: 700px;
  margin: 1.2rem auto 2rem;
}

.brand-logo {
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.4));
}

.hero-logo {
  width: clamp(84px, 11vw, 128px);
  margin: 0 auto 0.8rem;
}

.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
  font-size: 0.76rem;
  font-weight: 700;
}

#dashboard-screen {
  max-width: 1180px;
  margin: 0 auto;
  padding-top: 1.2rem;
  padding-bottom: 3rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0.8rem;
  z-index: 10;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.top-logo {
  width: 52px;
  height: 52px;
}

.panel {
  background: linear-gradient(165deg, rgba(22, 27, 34, 0.94), rgba(14, 17, 23, 0.86));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(8px);
}

.tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.7rem;
  margin-bottom: 1rem;
  position: sticky;
  top: 6.6rem;
  z-index: 9;
}

.tab-btn {
  background: linear-gradient(150deg, #101826, #0f172a);
  border: 1px solid rgba(71, 85, 105, 0.55);
  color: var(--text);
  border-radius: 14px;
  padding: 0.78rem 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: 0.25s ease;
}

.tab-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(45, 212, 191, 0.5);
}

.tab-btn.active {
  background: linear-gradient(140deg, rgba(45, 212, 191, 0.2), rgba(56, 189, 248, 0.22));
  border-color: var(--line-strong);
  box-shadow: inset 0 0 0 1px rgba(229, 231, 235, 0.08);
}

.tab-panel {
  display: none;
  animation: fadeSlide 0.32s ease;
}

.tab-panel.active {
  display: block;
}

.panel h3 {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  margin-bottom: 0.7rem;
}

.panel h4 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  color: #c8d4e5;
  font-size: 1rem;
}

.checklist-list li {
  margin-bottom: 0.4rem;
}

.progress-card {
  margin: 0.6rem 0 0.9rem;
  padding: 0.8rem;
  border: 1px solid rgba(56, 189, 248, 0.22);
  border-radius: 12px;
  background: rgba(10, 15, 23, 0.58);
}

.progress-text {
  margin: 0 0 0.55rem;
  color: #c6e5ff;
  font-weight: 600;
}

.progress-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(71, 85, 105, 0.36);
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #2dd4bf, #38bdf8);
  transition: width 0.25s ease;
}

.checklist-list {
  list-style: none;
  padding-left: 0;
  display: grid;
  gap: 0.55rem;
}

.checklist-item {
  margin: 0;
}

.checklist-toggle {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 10px;
  background: rgba(13, 18, 27, 0.72);
  color: var(--text);
}

.checklist-toggle input {
  margin-top: 0.18rem;
  width: 16px;
  height: 16px;
  accent-color: #2dd4bf;
}

.faq-list {
  display: grid;
  gap: 0.65rem;
}

.faq-list details {
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 10px;
  background: rgba(11, 16, 24, 0.58);
  padding: 0.7rem 0.8rem;
}

.faq-list summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
}

.faq-list details p {
  margin: 0.55rem 0 0;
}

#tab-pengenalan .panel:nth-child(2) {
  border-color: rgba(56, 189, 248, 0.35);
}

#tab-pengenalan .panel:nth-child(3) {
  border-color: rgba(45, 212, 191, 0.35);
}

#tab-pengenalan .panel:nth-child(4) {
  border-color: rgba(56, 189, 248, 0.28);
}

.history-list {
  display: grid;
  gap: 0.45rem;
  padding-left: 1.2rem;
}

.history-list li {
  padding: 0.55rem 0.68rem;
  border: 1px solid rgba(56, 189, 248, 0.16);
  border-radius: 10px;
  background: rgba(11, 16, 24, 0.55);
}

.region-grid {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(235px, 1fr));
}

.region-grid p {
  margin: 0;
  padding: 0.62rem 0.72rem;
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: linear-gradient(155deg, rgba(13, 18, 27, 0.82), rgba(10, 14, 22, 0.72));
}

.region-grid strong {
  color: var(--text);
  font-weight: 700;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 0.9rem;
}

.section-head p {
  margin: 0.4rem 0 0;
}

.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0.95rem;
}

.doc-card {
  border-radius: 16px;
  border: 1px solid rgba(56, 189, 248, 0.24);
  padding: 1rem;
  background: linear-gradient(165deg, rgba(18, 25, 37, 0.88), rgba(10, 14, 23, 0.86));
  transition: 0.24s ease;
}

.doc-card:hover {
  transform: translateY(-4px);
  border-color: rgba(45, 212, 191, 0.55);
  box-shadow: 0 12px 24px rgba(45, 212, 191, 0.16);
}

.doc-title {
  font-size: 1.05rem;
  margin-bottom: 0.45rem;
}

.doc-desc {
  margin: 0 0 0.95rem;
  min-height: 58px;
}

.doc-read-toggle {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
  color: #d3e4f7;
  font-size: 0.92rem;
}

.doc-read-checkbox {
  width: 16px;
  height: 16px;
  accent-color: #2dd4bf;
}

.doc-actions {
  display: flex;
}

.btn {
  border: none;
  border-radius: 12px;
  padding: 0.68rem 1rem;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.07);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #11bda6);
  color: #03130f;
}

.btn-ghost {
  background: linear-gradient(150deg, #1f2937, #17202f);
  color: var(--text);
  border: 1px solid rgba(156, 163, 175, 0.35);
}

.intern-auth-status,
.intern-form-status,
.intern-data-status {
  margin: 0.6rem 0 0;
  color: #cde2fb;
}

.intern-form {
  margin-top: 0.9rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.intern-form label {
  display: grid;
  gap: 0.45rem;
  color: #d8e7f8;
  font-weight: 600;
  font-size: 0.93rem;
}

.intern-form input,
.intern-form select {
  width: 100%;
  border-radius: 10px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  background: rgba(15, 21, 32, 0.9);
  color: var(--text);
  padding: 0.62rem 0.7rem;
  outline: none;
}

.intern-form input:focus,
.intern-form select:focus {
  border-color: rgba(45, 212, 191, 0.7);
  box-shadow: 0 0 0 2px rgba(45, 212, 191, 0.16);
}

.auth-form label {
  grid-column: span 1;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  grid-column: 1 / -1;
}

.intern-table-wrap {
  margin-top: 0.8rem;
  overflow-x: auto;
}

.intern-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.intern-table th,
.intern-table td {
  padding: 0.62rem 0.6rem;
  text-align: left;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.intern-table th {
  color: #d4e9ff;
  font-size: 0.9rem;
}

.intern-table td {
  color: #b8cae0;
  font-size: 0.9rem;
}

.intern-row-actions {
  display: flex;
  gap: 0.45rem;
}

.btn.btn-sm {
  padding: 0.46rem 0.68rem;
  border-radius: 10px;
  font-size: 0.82rem;
}

body.loading {
  overflow: hidden;
}

.page-loader {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  gap: 1.5rem;
  background: rgba(8, 11, 17, 0.74);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  z-index: 9999;
}

.page-loader.active {
  opacity: 1;
  visibility: visible;
}

.loader-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.loader-logo {
  width: 82px;
  height: 82px;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.45));
  animation: floatLogo 2s ease-in-out infinite;
}

.loader-text {
  margin: 0;
  color: #dbe7f7;
  font-weight: 600;
}

/* From Uiverse.io by satyamchaudharydev */
.spinner {
  position: relative;
  width: 120px;
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
}

.spinner span {
  position: absolute;
  top: 50%;
  left: var(--left);
  width: 35px;
  height: 7px;
  background: #ffff;
  animation: dominos 1s ease infinite;
  box-shadow: 2px 2px 3px 0px black;
}

.spinner span:nth-child(1) {
  --left: 80px;
  animation-delay: 0.125s;
}

.spinner span:nth-child(2) {
  --left: 70px;
  animation-delay: 0.3s;
}

.spinner span:nth-child(3) {
  left: 60px;
  animation-delay: 0.425s;
}

.spinner span:nth-child(4) {
  animation-delay: 0.54s;
  left: 50px;
}

.spinner span:nth-child(5) {
  animation-delay: 0.665s;
  left: 40px;
}

.spinner span:nth-child(6) {
  animation-delay: 0.79s;
  left: 30px;
}

.spinner span:nth-child(7) {
  animation-delay: 0.915s;
  left: 20px;
}

.spinner span:nth-child(8) {
  left: 10px;
}

.game-panel {
  border-color: rgba(45, 212, 191, 0.28);
}

.quiz-box {
  margin-top: 0.7rem;
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: rgba(10, 15, 23, 0.68);
  border-radius: 16px;
  padding: 1rem;
}

.quiz-progress,
.quiz-feedback,
.quiz-score {
  margin: 0.45rem 0 0;
}

.quiz-options {
  display: grid;
  gap: 0.58rem;
  margin-top: 0.8rem;
}

.quiz-option {
  text-align: left;
  width: 100%;
}

.quiz-option.correct {
  border-color: rgba(34, 197, 94, 0.76);
  color: #bbf7d0;
}

.quiz-option.wrong {
  border-color: rgba(239, 68, 68, 0.76);
  color: #fecaca;
}

.quiz-actions {
  display: flex;
  gap: 0.6rem;
  margin-top: 0.85rem;
}

.site-footer {
  margin-top: 1.4rem;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "brand actions"
    "copy copy";
  align-items: center;
  gap: 0.9rem 1rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  grid-area: brand;
}

.footer-logo {
  width: 42px;
  height: 42px;
}

.footer-brand h4 {
  margin: 0;
}

.footer-brand p {
  margin: 0.2rem 0 0;
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  justify-content: flex-end;
  gap: 0.8rem;
  align-items: center;
  grid-area: actions;
}

.footer-links a {
  color: #a5e7db;
  text-decoration: none;
  font-weight: 600;
}

.footer-links a:hover {
  color: #d3f7f0;
  text-decoration: underline;
}

#open-intern-admin-btn {
  min-width: 132px;
}

.footer-copy {
  margin: 0;
  font-size: 0.88rem;
  color: #94a3b8;
  grid-area: copy;
  padding-top: 0.2rem;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 9, 15, 0.72);
  backdrop-filter: blur(5px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 12000;
  padding: 1rem;
}

.modal-backdrop.active {
  display: flex;
}

.modal-panel {
  width: min(900px, 100%);
  max-height: 92vh;
  overflow: auto;
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(0, 14px, 0) scale(1.05);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes dominos {
  50% {
    opacity: 0.7;
  }

  75% {
    -webkit-transform: rotate(90deg);
    transform: rotate(90deg);
  }

  80% {
    opacity: 1;
  }
}

@keyframes floatLogo {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 920px) {
  .screen {
    padding: 1.1rem;
  }

  .topbar {
    position: static;
  }

  .tabs {
    top: 0;
    position: static;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    align-items: flex-start;
  }

  .hero-content {
    text-align: left;
  }

  .hero-logo {
    margin-left: 0;
    margin-right: 0;
  }

  .hero-content p {
    margin-left: 0;
    margin-right: 0;
  }
}

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

  .intern-form {
    grid-template-columns: 1fr;
  }

  .quiz-actions {
    flex-direction: column;
  }

  .quiz-actions .btn,
  .topbar .btn,
  .doc-actions .btn {
    width: 100%;
    text-align: center;
  }

  .footer-brand {
    align-items: flex-start;
  }

  .site-footer {
    grid-template-columns: 1fr;
    grid-template-areas:
      "brand"
      "actions"
      "copy";
  }

  .footer-links {
    justify-content: flex-start;
  }

  #open-intern-admin-btn {
    width: 100%;
  }

  .brand-block {
    width: 100%;
  }

  .top-logo {
    width: 44px;
    height: 44px;
  }
}