@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;700&display=swap");

:root {
  color-scheme: light;
  --font-sans: "Manrope", "Segoe UI Variable", sans-serif;
  --font-display: "Space Grotesk", "Aptos Display", sans-serif;
  --bg: #f2eee6;
  --bg-soft: #fbf7f0;
  --bg-elevated: rgba(255, 252, 247, 0.82);
  --panel: rgba(255, 251, 246, 0.78);
  --panel-strong: rgba(255, 253, 250, 0.96);
  --panel-deep: rgba(246, 240, 231, 0.86);
  --text: #1d242d;
  --muted: #63707d;
  --line: rgba(29, 36, 45, 0.11);
  --line-strong: rgba(29, 36, 45, 0.18);
  --accent: #0f7c69;
  --accent-strong: #0b5f50;
  --accent-soft: rgba(15, 124, 105, 0.12);
  --gold: #b98a46;
  --danger: #b93a3a;
  --shadow: 0 12px 36px rgba(48, 38, 26, 0.08);
  --shadow-soft: 0 8px 18px rgba(48, 38, 26, 0.06);
  --radius-xxl: 34px;
  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
}

body[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b0f13;
  --bg-soft: #121820;
  --bg-elevated: rgba(19, 26, 35, 0.78);
  --panel: rgba(17, 23, 31, 0.78);
  --panel-strong: rgba(21, 28, 38, 0.96);
  --panel-deep: rgba(12, 18, 26, 0.92);
  --text: #f4f7fb;
  --muted: #8fa1b3;
  --line: rgba(236, 242, 248, 0.08);
  --line-strong: rgba(236, 242, 248, 0.14);
  --accent: #39d4be;
  --accent-strong: #88f2df;
  --accent-soft: rgba(57, 212, 190, 0.14);
  --gold: #d8a55a;
  --danger: #ff7c7c;
  --shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
  --shadow-soft: 0 8px 18px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.45;
  background:
    radial-gradient(circle at 0% 0%, rgba(57, 212, 190, 0.12), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(185, 138, 70, 0.15), transparent 22%),
    radial-gradient(circle at 100% 100%, rgba(77, 104, 143, 0.14), transparent 24%),
    linear-gradient(180deg, var(--bg-soft), var(--bg));
}

body::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.035), transparent 32%, transparent 68%, rgba(255, 255, 255, 0.025));
  opacity: 0.26;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
.file-button {
  cursor: pointer;
}

.app-shell {
  position: relative;
  width: min(1720px, calc(100vw - 36px));
  margin: 22px auto 28px;
}

.topbar,
.nav-panel,
.view-panel,
.utility-card,
.modal {
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 96%, transparent), color-mix(in srgb, var(--panel-deep) 100%, transparent));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 1fr) auto;
  align-items: center;
  gap: 28px;
  padding: 26px 30px;
  border-radius: var(--radius-xxl);
  margin-bottom: 20px;
  overflow: hidden;
}

.topbar::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 24%),
    radial-gradient(circle at 8% 0%, color-mix(in srgb, var(--gold) 14%, transparent), transparent 30%);
  pointer-events: none;
}

.topbar-brand,
.topbar-actions {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.035em;
}

h1 {
  font-size: clamp(2.5rem, 4.6vw, 4.6rem);
  line-height: 0.92;
}

h2 {
  font-size: clamp(1.15rem, 2vw, 1.7rem);
}

h3 {
  font-size: 1.02rem;
}

.brand-lockup {
  display: grid;
  gap: 10px;
  max-width: 720px;
}

.brand-subtitle {
  margin: 0;
  max-width: 620px;
  color: var(--muted);
  font-size: 0.98rem;
}

.topbar-actions,
.section-head,
.inline-actions,
.inline-fields {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.topbar-actions {
  justify-content: flex-end;
}

.auth-slot,
.auth-chip {
  display: flex;
  align-items: center;
  gap: 10px;
}

.upload-status {
  min-width: 220px;
  max-width: 280px;
  padding: 10px 12px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 92%, transparent);
  display: grid;
  gap: 8px;
}

.upload-status.busy {
  border-color: color-mix(in srgb, var(--accent) 34%, white);
}

.upload-status.success {
  border-color: color-mix(in srgb, #62d9a4 40%, white);
}

.upload-status.error {
  border-color: color-mix(in srgb, #ff6b6b 40%, white);
}

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

.upload-status-copy strong {
  font-size: 0.84rem;
}

.upload-status-copy span {
  color: var(--muted);
  font-size: 0.76rem;
}

.upload-status-bar {
  height: 7px;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--line) 72%, transparent);
}

.upload-status-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, white));
}

.inline-upload-status {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 94%, transparent);
  display: grid;
  gap: 8px;
}

.inline-upload-status.busy {
  border-color: color-mix(in srgb, var(--accent) 34%, white);
}

.inline-upload-status.success {
  border-color: color-mix(in srgb, #62d9a4 40%, white);
}

.inline-upload-status.error {
  border-color: color-mix(in srgb, #ff6b6b 40%, white);
}

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

.inline-upload-copy strong {
  font-size: 0.88rem;
}

.inline-upload-copy span {
  color: var(--muted);
  font-size: 0.78rem;
}

.inline-upload-bar {
  height: 8px;
  border-radius: 999px;
  overflow: hidden;
  background: color-mix(in srgb, var(--line) 72%, transparent);
}

.inline-upload-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 55%, white));
}

.auth-chip {
  padding: 10px 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 90%, transparent);
}

.main-grid {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.nav-panel {
  position: sticky;
  top: 18px;
  border-radius: var(--radius-xxl);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-soft);
}

.tab-nav {
  display: grid;
  gap: 8px;
}

.tab-button,
.ghost-button,
.primary-button,
.danger-button,
.secondary-button {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 15px;
  background: color-mix(in srgb, var(--panel-strong) 92%, transparent);
  color: var(--text);
  transition:
    transform 160ms ease,
    border-color 160ms ease,
    background 160ms ease,
    color 160ms ease;
}

.tab-button {
  justify-content: flex-start;
  text-align: left;
  font-weight: 700;
  padding: 13px 16px 13px 18px;
}

.tab-button::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  width: 4px;
  height: 22px;
  border-radius: 999px;
  transform: translateY(-50%) scaleY(0.4);
  background: color-mix(in srgb, var(--accent) 40%, transparent);
  opacity: 0;
  transition: transform 160ms ease, opacity 160ms ease;
}

.tab-button.active,
.primary-button {
  background: linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 72%, white));
  border-color: transparent;
  color: #071411;
}

body[data-theme="light"] .tab-button.active,
body:not([data-theme="dark"]) .primary-button,
body:not([data-theme="dark"]) .tab-button.active {
  color: white;
}

.tab-button.active::before {
  opacity: 1;
  transform: translateY(-50%) scaleY(1);
  background: rgba(255, 255, 255, 0.92);
}

.tab-button:hover,
.ghost-button:hover,
.primary-button:hover,
.danger-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.ghost-button {
  background: transparent;
}

.danger-button {
  background: color-mix(in srgb, var(--danger) 12%, var(--panel-strong));
  color: var(--danger);
}

.secondary-button {
  background: color-mix(in srgb, var(--accent) 10%, var(--panel-strong));
  color: var(--accent-strong);
}

.utility-card,
.view-panel {
  border-radius: var(--radius-xxl);
}

.utility-card {
  padding: 18px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 94%, transparent), color-mix(in srgb, var(--panel) 96%, transparent));
}

.utility-card h2 {
  margin-bottom: 12px;
}

.notes-card textarea {
  min-height: 240px;
}

.content-panel {
  display: grid;
}

.view-panel {
  padding: 24px;
  min-height: 78vh;
}

.dashboard-grid,
.two-column,
.three-column,
.cards-grid {
  display: grid;
  gap: 18px;
}

.dashboard-grid {
  grid-template-columns: 1.1fr 0.92fr;
}

.two-column {
  grid-template-columns: 1.18fr 0.82fr;
}

.three-column {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards-grid {
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
}

.launchpad-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1.05fr 1.2fr;
}

.suite-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.panel-card {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel-strong) 100%, transparent), color-mix(in srgb, var(--panel-deep) 96%, transparent));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 20px;
}

.metric-value {
  font-size: clamp(2rem, 2.4vw, 3rem);
  font-weight: 800;
  line-height: 0.95;
  margin-top: 14px;
  font-family: var(--font-display);
  letter-spacing: -0.045em;
}

.muted-copy,
.tiny-copy {
  color: var(--muted);
}

.tiny-copy {
  font-size: 0.82rem;
}

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

.toolbar,
.list-and-detail {
  display: grid;
  gap: 16px;
}

.toolbar {
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: end;
}

.toolbar > * {
  min-width: 0;
}

.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }

label {
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  border-radius: 15px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 95%, transparent);
  color: var(--text);
  padding: 12px 14px;
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 46%, white);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

textarea {
  resize: vertical;
  min-height: 110px;
}

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

th,
td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 800;
}

tr.selected {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.scroll-table {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.list-and-detail {
  grid-template-columns: minmax(290px, 370px) minmax(0, 1fr);
}

.stack-list {
  display: grid;
  gap: 10px;
  max-height: 68vh;
  overflow: auto;
}

.stack-item {
  text-align: left;
  padding: 15px 16px;
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel-strong) 92%, transparent);
  border: 1px solid var(--line);
  transition: border-color 160ms ease, transform 160ms ease;
}

.stack-item:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
}

.stack-item.active {
  border-color: color-mix(in srgb, var(--accent) 54%, white);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 24%, transparent);
}

.stack-title {
  font-weight: 800;
}

.chip-row,
.action-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-strong));
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  background: color-mix(in srgb, var(--accent) 14%, var(--panel-strong));
}

.image-preview {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
}

.empty-state {
  padding: 30px;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--panel-strong) 84%, transparent);
}

.modal {
  width: min(760px, calc(100vw - 28px));
  border-radius: var(--radius-xxl);
  color: var(--text);
  padding: 0;
}

.modal::backdrop {
  background: rgba(5, 8, 12, 0.56);
}

.modal-shell {
  padding: 24px;
  display: grid;
  gap: 18px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.results-shell pre {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  max-height: 62vh;
  overflow: auto;
}

.playground-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 320px minmax(0, 1fr);
}

.hero-card {
  background:
    radial-gradient(circle at top right, color-mix(in srgb, var(--accent) 18%, transparent), transparent 35%),
    linear-gradient(180deg, color-mix(in srgb, var(--accent) 8%, var(--panel-strong)), var(--panel-strong));
}

.launchpad-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel-strong) 94%, var(--accent) 6%);
}

.badge-stack {
  display: flex;
  margin-bottom: 12px;
}

.research-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: 280px minmax(340px, 1.2fr) minmax(320px, 0.9fr);
}

.research-results {
  display: grid;
  gap: 12px;
}

.ad-card {
  display: grid;
  gap: 14px;
  grid-template-columns: 140px minmax(0, 1fr);
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
}

.ad-card.active {
  border-color: color-mix(in srgb, var(--accent) 46%, white);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 24%, transparent);
}

.ad-thumb,
.detail-media {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  object-fit: cover;
}

.ad-thumb {
  aspect-ratio: 4 / 5;
}

.detail-media {
  aspect-ratio: 4 / 5;
}

.filter-stack {
  display: grid;
  gap: 14px;
}

.stats-row {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.copy-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.saved-link {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.code-box {
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  white-space: pre-wrap;
  overflow: auto;
}

.feature-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.course-card-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 280px));
  justify-content: start;
}

.course-card,
.module-card,
.lesson-tab,
.resource-card {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  border-radius: 18px;
}

.course-card {
  overflow: hidden;
  padding: 0;
  min-height: 0;
}

.course-card.active,
.module-card.active,
.lesson-tab.active {
  border-color: color-mix(in srgb, var(--accent) 46%, white);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 24%, transparent);
}

.course-card-image {
  aspect-ratio: 16 / 6;
  max-height: 160px;
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-strong));
  display: grid;
  place-items: center;
  overflow: hidden;
}

.course-card-image img,
.course-hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-card-fallback {
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-strong);
}

.course-card-body {
  padding: 16px;
  display: grid;
  gap: 10px;
}

.course-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.learning-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: 300px minmax(0, 1fr);
}

.course-hero {
  display: grid;
  gap: 14px;
}

.course-hero-image {
  aspect-ratio: 16 / 11;
  border-radius: 20px;
  overflow: hidden;
  background: color-mix(in srgb, var(--accent) 12%, var(--panel-strong));
}

.progress-copy {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}

.progress-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--line) 70%, transparent);
  overflow: hidden;
  margin-top: 10px;
}

.progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), color-mix(in srgb, var(--accent) 62%, white));
  border-radius: inherit;
}

.module-list,
.lesson-tabs,
.resource-list {
  display: grid;
  gap: 12px;
}

.module-card,
.lesson-tab,
.resource-card {
  padding: 14px;
}

.lesson-tab {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
}

.lesson-check {
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
}

.danger-button {
  border-color: color-mix(in srgb, #ff6b6b 26%, var(--line));
  color: color-mix(in srgb, #ff8c8c 76%, var(--text));
}

.lesson-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #000;
}

.lesson-copy {
  font-size: 0.98rem;
  line-height: 1.7;
}

.lesson-list,
.channel-list {
  display: grid;
  gap: 10px;
}

.secret-cell {
  font-family: ui-monospace, Consolas, monospace;
  letter-spacing: 0.08em;
}

@media (max-width: 1280px) {
  .topbar {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 1160px) {
  .main-grid,
  .dashboard-grid,
  .two-column,
  .three-column,
  .list-and-detail,
  .launchpad-grid,
  .playground-grid,
  .learning-layout,
  .research-layout {
    grid-template-columns: 1fr;
  }

  .nav-panel {
    position: static;
  }

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

  .span-2,
  .span-3,
  .span-4,
  .span-5,
  .span-7,
  .span-8 {
    grid-column: span 1;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100vw - 18px, 1720px);
    margin: 10px auto 18px;
  }

  .topbar {
    padding: 18px;
    border-radius: 24px;
  }

  .view-panel,
  .nav-panel,
  .utility-card {
    padding: 16px;
  }

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

  .ad-card {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.5rem;
  }
}