@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Modern dark theme — readable type, minimal chrome */
:root {
  --ml-bg: #0b1120;
  --ml-bg-elevated: #111827;
  --ml-surface: #1f2937;
  --ml-surface-hover: #273449;
  --ml-border: #374151;
  --ml-border-subtle: #1f2937;
  --ml-text: #f3f4f6;
  --ml-text-muted: #9ca3af;
  --ml-accent: #818cf8;
  --ml-accent-hover: #a5b4fc;
  --ml-accent-muted: rgba(129, 140, 248, 0.15);
  --ml-pass: #34d399;
  --ml-fail: #f87171;
  --ml-radius: 12px;
  --ml-radius-sm: 8px;
  --ml-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  --ml-font: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* legacy aliases */
  --skool-bg: var(--ml-bg);
  --skool-panel: var(--ml-surface);
  --skool-accent: var(--ml-accent);
  --skool-text: var(--ml-text);
  --skool-muted: var(--ml-text-muted);
  --skool-pass: var(--ml-pass);
  --skool-fail: var(--ml-fail);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.skool-player {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ml-font);
  font-size: 1rem;
  line-height: 1.6;
  background: var(--ml-bg);
  background-image: radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.12), transparent);
  color: var(--ml-text);
}

a {
  color: var(--ml-accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--ml-accent-hover);
}

.skool-shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

@media (min-width: 640px) {
  .skool-shell {
    padding: 2rem 1.5rem 4rem;
  }
}

.skool-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--ml-border-subtle);
}

.skool-title {
  margin: 0;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--ml-text);
}

.skool-section-title {
  font-size: 0.8125rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
  color: var(--ml-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.skool-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  flex-shrink: 0;
}

.skool-nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ml-text-muted);
}

.skool-nav a:hover {
  color: var(--ml-accent);
}

.skool-auth-btn {
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.625rem 1.125rem;
  border: 1px solid var(--ml-accent);
  border-radius: var(--ml-radius-sm);
  background: var(--ml-accent-muted);
  color: var(--ml-accent-hover);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.skool-auth-btn:hover {
  background: rgba(129, 140, 248, 0.25);
  border-color: var(--ml-accent-hover);
  color: #fff;
}

.skool-auth-btn-secondary {
  border-color: var(--ml-border);
  background: var(--ml-surface);
  color: var(--ml-text);
}

.skool-auth-btn-secondary:hover {
  background: var(--ml-surface-hover);
  border-color: var(--ml-text-muted);
  color: var(--ml-text);
}

.skool-auth-slot {
  display: inline-flex;
  align-items: center;
}

.skool-h5p-frame {
  background: var(--ml-bg-elevated);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  padding: 0;
  box-shadow: var(--ml-shadow);
  overflow: hidden;
  width: 100%;
}

/* Let H5P Interactive Video set its own height — forced min-heights caused a black gap below controls. */
.skool-h5p-frame .h5p-content,
.skool-h5p-frame .h5p-interactive-video,
.skool-h5p-frame .h5p-interactive-video-wrapper,
.skool-h5p-frame .h5p-video-wrapper {
  min-height: 0;
  height: auto;
}

.skool-h5p-frame .h5p-iframe-wrapper {
  background: transparent;
}

.skool-h5p-frame .h5p-iframe {
  width: 100% !important;
  border: none;
  display: block;
}

.skool-status {
  font-size: 0.9375rem;
  color: var(--ml-text-muted);
  margin-top: 1rem;
  line-height: 1.5;
}

.skool-lesson-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.skool-lesson-list li {
  margin: 0;
  font-size: 1rem;
  background: var(--ml-surface);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  padding: 1rem 1.25rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.skool-lesson-list li:hover {
  background: var(--ml-surface-hover);
  border-color: rgba(129, 140, 248, 0.35);
}

.skool-lesson-list a {
  font-weight: 500;
  color: var(--ml-text);
}

.skool-lesson-list a:hover {
  color: var(--ml-accent-hover);
}

.skool-lesson-list .skool-status {
  display: inline-block;
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
}

.skool-gradebook table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.9375rem;
  background: var(--ml-surface);
  border: 1px solid var(--ml-border);
  border-radius: var(--ml-radius);
  overflow: hidden;
}

.skool-gradebook th,
.skool-gradebook td {
  border-bottom: 1px solid var(--ml-border);
  padding: 0.875rem 1rem;
  text-align: left;
}

.skool-gradebook tr:last-child td {
  border-bottom: none;
}

.skool-gradebook th {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ml-text-muted);
  background: var(--ml-bg-elevated);
}

.skool-gradebook .passed {
  color: var(--ml-pass);
  font-weight: 500;
}

.skool-gradebook .failed {
  color: var(--ml-fail);
  font-weight: 500;
}

/* Landing page */
.skool-home-shell {
  min-height: 85vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 440px;
}

.skool-home-header {
  justify-content: center;
  border-bottom: none;
  padding-bottom: 0;
  margin-bottom: 0.5rem;
}

.skool-home-main {
  text-align: center;
}

.skool-home-lead {
  font-size: 1.125rem;
  line-height: 1.65;
  margin: 0 0 0.75rem;
  color: var(--ml-text);
  font-weight: 400;
}

.skool-home-copy {
  margin-bottom: 2rem;
  font-size: 1rem;
}

.skool-home-auth {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: stretch;
}

.skool-home-btn {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
}

.skool-course-meta {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.skool-page-intro {
  font-size: 1.0625rem;
  margin-bottom: 0.25rem;
  color: var(--ml-text);
}