:root {
  --blue: #096cf0;
  --navy: #0b2455;
  --muted: #60749a;
  --line: #dce7f5;
  --bg: #f4f8ff;
  --white: #fff;
  --green: #11a963;
  --purple: #7b43ea;
  --orange: #ef9700;
  --shadow: 0 10px 34px rgba(23, 63, 130, 0.08);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: radial-gradient(circle at 55% -8%, #fff, #f5f9ff 52%, #edf5ff);
  color: var(--navy);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Arial,
    sans-serif;
}
button,
input {
  font: inherit;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}
[hidden] {
  display: none !important;
}
.auth {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
}
.auth-visual {
  overflow: hidden;
  position: relative;
  padding: 8vw;
  background: linear-gradient(135deg, #086fe9, #7651ef);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.auth-visual h1 {
  font-size: clamp(35px, 4vw, 58px);
  max-width: 650px;
  margin: 48px 0 12px;
}
.auth-visual p {
  max-width: 590px;
  color: #e8efff;
  line-height: 1.7;
}
.auth-visual > img {
  position: absolute;
  width: 390px;
  right: -30px;
  bottom: -40px;
  filter: drop-shadow(0 22px 18px #1a246b55);
}
.auth-side {
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card {
  width: min(400px, 100%);
  background: #fff;
  border-radius: 25px;
  padding: 36px;
  box-shadow: 0 20px 60px #15346920;
}
.logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 25px;
  font-weight: 900;
}
.logo i {
  font-style: normal;
  display: grid;
  place-items: center;
  width: 57px;
  height: 57px;
  color: #fff;
  border-radius: 17px;
  background: linear-gradient(145deg, #1988fb, #7652ef);
  box-shadow: 0 8px 18px #3157d844;
}
.logo small {
  display: block;
  font-size: 7px;
  color: #657da4;
  font-weight: 500;
}
.logo.light i {
  background: #fff;
  color: var(--blue);
}
.logo.light small {
  color: #d9e6ff;
}
.auth-card h2 {
  margin: 25px 0 4px;
  font-size: 29px;
}
.auth-card > p {
  color: var(--muted);
}
label {
  display: block;
  margin: 16px 0 7px;
  font-size: 12px;
  font-weight: 800;
}
.auth-card input,
.form-control {
  width: 100%;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  outline: 0;
}
.auth-card input:focus,
.form-control:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px #096cf015;
}
.status {
  color: #bc2940 !important;
  background: #fff0f3;
  padding: 10px;
  border-radius: 9px;
  font-size: 12px;
}
.switch {
  text-align: center;
  font-size: 13px;
}
.switch button {
  border: 0;
  background: none;
  color: var(--blue);
  font-weight: 800;
}
.btn {
  border: 0;
  border-radius: 11px;
  padding: 12px 18px;
  font-weight: 800;
}
.primary {
  background: var(--blue);
  color: #fff;
}
.secondary {
  background: #eaf3ff;
  color: var(--blue);
}
.success {
  background: var(--green);
  color: #fff;
}
.outline {
  background: #fff;
  color: var(--blue);
  border: 1px solid #bfd6f5;
}
.wide {
  width: 100%;
  margin-top: 20px;
}
.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}
.side {
  height: 100vh;
  position: sticky;
  top: 0;
  padding: 22px 18px 17px;
  background: #ffffffeb;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  z-index: 10;
}
.side .logo {
  margin-bottom: 27px;
}
.side nav {
  display: grid;
  gap: 3px;
}
.side nav button {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 0;
  background: none;
  text-align: left;
  padding: 11px 12px;
  border-radius: 11px;
  color: #53698f;
  font-size: 13px;
  font-weight: 700;
}
.side nav button b {
  width: 19px;
  text-align: center;
}
.side nav button:hover,
.side nav button.active {
  color: var(--blue);
  background: #eaf2ff;
}
.side nav hr {
  border: 0;
  border-top: 1px solid #edf2f8;
  width: 100%;
  margin: 7px 0;
}
.user-mini {
  margin-top: auto;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(135deg, #f9fbff, #eef5ff);
  display: flex;
  gap: 10px;
  align-items: center;
  overflow: hidden;
}
.avatar {
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #d7e9ff;
  color: var(--blue);
  font-weight: 900;
}
.user-mini div:last-child {
  min-width: 0;
}
.user-mini strong,
.user-mini small {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-mini strong {
  font-size: 12px;
}
.user-mini small {
  font-size: 9px;
  color: var(--muted);
  margin-top: 3px;
}
.main {
  min-width: 0;
  padding: 18px 22px 30px;
}
.mobile-head {
  display: none;
}
.page-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 13px;
}
.crumb {
  font-size: 11px;
  color: var(--blue);
  margin-bottom: 11px;
}
.page-head h1 {
  font-size: 31px;
  margin: 0 0 4px;
}
.page-head p {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}
.search {
  width: min(430px, 42vw);
  display: flex;
  gap: 9px;
  align-items: center;
  background: #f4f8ff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 11px 15px;
}
.search input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: #496187;
}
.hero {
  min-height: 245px;
  border-radius: 18px;
  padding: 34px 37px;
  color: #fff;
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #0873ed, #2e63f0 53%, #814ced);
  display: grid;
  grid-template-columns: 1.55fr 0.75fr;
}
.hero:after {
  content: "";
  position: absolute;
  bottom: -62px;
  left: 0;
  right: 0;
  height: 115px;
  border-radius: 50% 50% 0 0;
  background: #6bc4ff45;
}
.hero-copy {
  z-index: 2;
}
.hero small,
.eyebrow {
  font-size: 10px;
  letter-spacing: 1.2px;
  font-weight: 900;
}
.hero h2 {
  font-size: clamp(29px, 3vw, 40px);
  line-height: 1.08;
  margin: 13px 0;
}
.hero h2 span {
  color: #ffe363;
}
.hero p {
  max-width: 670px;
  color: #edf3ff;
  font-size: 14px;
  line-height: 1.55;
}
.hero .btn {
  margin-top: 8px;
  background: #fff;
  color: var(--blue);
}
.hero-img {
  position: absolute;
  z-index: 2;
  right: 5%;
  bottom: -17px;
  width: 290px;
  height: 260px;
  object-fit: contain;
  filter: drop-shadow(0 18px 12px #20226b45);
}
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
  margin: 14px 0;
}
.metric,
.panel {
  background: #ffffffd9;
  border: 1px solid var(--line);
  border-radius: 15px;
  box-shadow: var(--shadow);
}
.metric {
  min-height: 94px;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  gap: 15px;
}
.metric-icon {
  flex: 0 0 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 25px;
  background: #ddecff;
  color: var(--blue);
}
.metric.green .metric-icon {
  background: #def8eb;
  color: var(--green);
}
.metric.purple .metric-icon {
  background: #eee4ff;
  color: var(--purple);
}
.metric.orange .metric-icon {
  background: #fff1cf;
  color: var(--orange);
}
.metric small {
  display: block;
  color: var(--muted);
  font-size: 10px;
}
.metric strong {
  font-size: 22px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin: 25px 3px 12px;
}
.section-head h2 {
  font-size: 22px;
  margin: 4px 0;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}
.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter {
  border: 1px solid var(--line);
  background: #fff;
  color: #52698e;
  border-radius: 12px;
  padding: 10px 17px;
  font-size: 11px;
  font-weight: 800;
}
.filter.active {
  background: var(--blue);
  color: #fff;
  border-color: var(--blue);
}
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.lesson-card {
  position: relative;
  height: 178px;
  border-radius: 16px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 42% 58%;
}
.lesson-card:nth-child(6n + 1) {
  background: linear-gradient(120deg, #d5eaff, #a9dcfa);
}
.lesson-card:nth-child(6n + 2) {
  background: linear-gradient(120deg, #ffdec8, #ffc4a5);
}
.lesson-card:nth-child(6n + 3) {
  background: linear-gradient(120deg, #eadcff, #d0b2ff);
}
.lesson-card:nth-child(6n + 4) {
  background: linear-gradient(120deg, #d8f8ea, #b9ecd9);
}
.lesson-card:nth-child(6n + 5) {
  background: linear-gradient(120deg, #fff2c5, #ffe39e);
}
.lesson-card:nth-child(6n + 6) {
  background: linear-gradient(120deg, #ffdeeb, #ffc5dc);
}
.lesson-art {
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
.lesson-art img {
  width: 124%;
  height: 98%;
  object-fit: contain;
  filter: drop-shadow(0 10px 8px #18305d3b);
  transition: 0.2s;
}
.lesson-card:hover .lesson-art img {
  transform: scale(1.05);
}
.lesson-copy {
  padding: 25px 13px 10px 0;
  min-width: 0;
}
.lesson-copy h3 {
  font-size: 19px;
  margin: 0 0 8px;
}
.lesson-copy p {
  font-size: 10px;
  line-height: 1.45;
  color: #52698e;
  height: 44px;
  margin: 0;
}
.badge {
  position: absolute;
  right: 11px;
  top: 10px;
  padding: 5px 10px;
  border-radius: 15px;
  background: #fff;
  color: var(--blue);
  font-size: 9px;
  font-weight: 900;
}
.card-actions {
  display: flex;
  gap: 6px;
  margin-top: 7px;
}
.card-actions button {
  flex: 1;
  border: 0;
  border-radius: 8px;
  padding: 9px 3px;
  background: #fff;
  color: #174476;
  font-size: 9px;
  font-weight: 900;
  white-space: nowrap;
}
.card-actions .primary-small {
  background: var(--blue);
  color: #fff;
}
.panel {
  padding: 16px;
}
.panel h3 {
  margin: 0 0 5px;
}
.panel > p {
  color: var(--muted);
  font-size: 11px;
}
.progress-layout {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr 1fr;
  gap: 12px;
}
.donut {
  width: 190px;
  aspect-ratio: 1;
  border-radius: 50%;
  margin: 28px auto;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--blue) calc(var(--p) * 1%), #e9eff8 0);
  position: relative;
}
.donut:before {
  content: "";
  position: absolute;
  inset: 20px;
  background: #fff;
  border-radius: 50%;
}
.donut span {
  z-index: 1;
  text-align: center;
  font-size: 34px;
  font-weight: 900;
}
.donut small {
  display: block;
  font-size: 12px;
  color: var(--muted);
}
.progress-list {
  display: grid;
  gap: 7px;
}
.progress-row {
  display: grid;
  grid-template-columns: 45px 90px 1fr 44px 88px;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 10px;
  background: #eef6ff;
}
.progress-row:nth-child(2) {
  background: #fff0e7;
}
.progress-row:nth-child(3) {
  background: #f4eaff;
}
.progress-row:nth-child(4) {
  background: #e5f8f0;
}
.progress-row:nth-child(5) {
  background: #fff5d7;
}
.progress-row:nth-child(6) {
  background: #ffeaf1;
}
.progress-row img {
  width: 45px;
  height: 36px;
  object-fit: contain;
}
.tiny-bar {
  height: 8px;
  background: #dfe7f2;
  border-radius: 8px;
  overflow: hidden;
}
.tiny-bar i {
  display: block;
  height: 100%;
  background: var(--blue);
  border-radius: 8px;
}
.state {
  font-size: 9px;
  border-radius: 11px;
  background: #fff;
  padding: 6px;
  text-align: center;
}
.ach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.achievement {
  text-align: center;
  padding: 18px 10px;
  border-radius: 13px;
  background: linear-gradient(#edf6ff, #fff);
  border: 1px solid var(--line);
}
.achievement.locked {
  filter: grayscale(1);
  opacity: 0.58;
}
.achievement .medal {
  font-size: 42px;
}
.achievement h4 {
  margin: 8px 0 3px;
}
.achievement p {
  font-size: 10px;
  color: var(--muted);
  margin: 0;
}
.activity {
  display: grid;
  gap: 6px;
}
.activity div {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #edf1f7;
  padding: 7px 2px;
  font-size: 10px;
}
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 13px;
}
.info-card {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 15px;
}
.info-card h3 {
  margin: 0 0 7px;
}
.info-card p,
.info-card li {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}
.certificate-card {
  max-width: 850px;
  margin: 18px auto;
  padding: 45px;
  border: 10px double #d2a63b;
  background: #fffdf6;
  text-align: center;
  box-shadow: var(--shadow);
}
.certificate-card h1 {
  font-family: Georgia, serif;
  font-size: 42px;
  margin: 12px;
}
.certificate-card .cert-name {
  font-size: 31px;
  color: #0a61d3;
  border-bottom: 1px solid #b9a36e;
  display: inline-block;
  padding: 3px 45px;
}
.certificate-card.locked {
  filter: grayscale(0.5);
}
.quiz-wrap {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 13px;
}
.quiz-question {
  padding: 22px;
  background: linear-gradient(135deg, #f3f8ff, #e9f3ff);
  border-radius: 13px;
}
.quiz-question h3 {
  font-size: 18px;
}
.answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.answer {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 12px;
  padding: 14px;
  text-align: left;
  font-weight: 700;
}
.answer.selected {
  border-color: var(--blue);
  background: #eaf3ff;
  color: var(--blue);
}
.quiz-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 14px;
}
.progress-track {
  height: 9px;
  background: #e5ecf6;
  border-radius: 9px;
  overflow: hidden;
}
.progress-track i {
  display: block;
  height: 100%;
  background: var(--blue);
}
.camera-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 13px;
}
.camera-card {
  text-align: center;
  padding: 22px;
  border-radius: 15px;
  background: #fff;
  border: 1px solid var(--line);
}
.camera-card img {
  height: 135px;
  width: 100%;
  object-fit: contain;
}
.camera-card p {
  font-size: 11px;
  color: var(--muted);
}
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: #071630a8;
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 18px;
}
.dialog {
  position: relative;
  width: min(720px, 96vw);
  max-height: 92vh;
  overflow: auto;
  background: #fff;
  border-radius: 22px;
}
.close {
  position: absolute;
  z-index: 2;
  right: 13px;
  top: 13px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: #fff;
  font-size: 24px;
}
.lesson-cover {
  height: 285px;
  display: grid;
  place-items: center;
}
.lesson-cover img {
  width: 95%;
  height: 95%;
  object-fit: contain;
}
.dialog-body {
  padding: 25px;
}
.dialog-body h2 {
  font-size: 29px;
  margin: 6px 0;
}
.dialog-body p {
  color: var(--muted);
  line-height: 1.55;
}
.steps {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 8px;
}
.steps li {
  display: flex;
  gap: 10px;
  align-items: center;
  color: #52617a;
}
.steps li i {
  font-style: normal;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: #eaf3ff;
  color: var(--blue);
  display: grid;
  place-items: center;
  font-weight: 900;
}
.button-row {
  display: flex;
  gap: 8px;
}
.video-dialog iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border: 0;
  display: block;
}
.toast {
  position: fixed;
  z-index: 80;
  right: 22px;
  bottom: 22px;
  max-width: 350px;
  padding: 14px 18px;
  border-radius: 12px;
  background: #092656;
  color: #fff;
  box-shadow: 0 12px 35px #07163055;
  font-size: 12px;
}
@media (max-width: 1120px) {
  .app {
    grid-template-columns: 210px 1fr;
  }
  .lesson-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .progress-layout {
    grid-template-columns: 1fr 1.5fr;
  }
  .progress-layout > :last-child {
    grid-column: 1/-1;
  }
  #view-progress .metrics {
    grid-template-columns: repeat(2, 1fr) !important;
  }
}
@media (max-width: 760px) {
  .auth {
    grid-template-columns: 1fr;
  }
  .auth-visual {
    display: none;
  }
  .app {
    display: block;
  }
  .side {
    position: fixed;
    left: -250px;
    width: 240px;
    transition: 0.2s;
    box-shadow: 8px 0 30px #10234a20;
  }
  .side.open {
    left: 0;
  }
  .main {
    padding: 8px 12px 28px;
  }
  .mobile-head {
    height: 57px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .mobile-head button {
    border: 0;
    background: #fff;
    width: 39px;
    height: 39px;
    border-radius: 10px;
  }
  .mobile-head .logo i {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    font-size: 15px;
  }
  .page-head {
    display: block;
  }
  .page-head .search {
    width: 100%;
    margin-top: 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 27px 23px;
    min-height: 340px;
  }
  .hero-img {
    width: 205px;
    height: 175px;
    right: -10px;
  }
  .metrics {
    grid-template-columns: 1fr 1fr;
  }
  .metrics .metric:nth-child(3) {
    grid-column: 1/-1;
  }
  .lesson-grid,
  .camera-grid,
  .info-grid {
    grid-template-columns: 1fr;
  }
  .lesson-card {
    grid-template-columns: 40% 60%;
  }
  .progress-layout,
  .quiz-wrap {
    grid-template-columns: 1fr;
  }
  .progress-layout > :last-child {
    grid-column: auto;
  }
  .progress-row {
    grid-template-columns: 38px 70px 1fr 36px;
  }
  .progress-row .state {
    display: none;
  }
  .ach-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .answers {
    grid-template-columns: 1fr;
  }
  .certificate-card {
    padding: 22px;
  }
  .certificate-card h1 {
    font-size: 29px;
  }
  .certificate-card .cert-name {
    font-size: 23px;
    padding: 3px 15px;
  }
}
@media print {
  body { background: #fff; }
  .side, .mobile-head, .page-head { display: none !important; }
  .app { display: block; }
  .main { padding: 0; }
  .view { display: none !important; }
  #view-certificate { display: block !important; }
  .certificate-card { box-shadow: none; margin: 0 auto; }
}