/* =====================================================================
   AutomatorsX LMS — Core stylesheet
   Design tokens → base → layout → components → utilities
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,500;0,9..144,600;0,9..144,800;1,9..144,600&family=Inter:wght@400;500;600;700;800&display=swap');


:root {
  /* Brand */
  --ax-brand:        #4361ee;
  --ax-brand-600:    #3b53d9;
  --ax-brand-50:     #eef2ff;
  --ax-sidebar:      #1a1a2e;
  --ax-sidebar-2:    #22223f;
  --ax-accent:       #f59e0b;

  /* Neutrals */
  --ax-ink:          #0f172a;
  --ax-ink-soft:     #334155;
  --ax-muted:        #64748b;
  --ax-line:         #e2e8f0;
  --ax-line-2:       #f1f5f9;
  --ax-bg:           #f8fafc;
  --ax-white:        #ffffff;

  /* Feedback */
  --ax-success:      #10b981;
  --ax-danger:       #ef4444;
  --ax-warning:      #f59e0b;
  --ax-info:         #0ea5e9;

  /* Radius / shadows / spacing */
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;
  --shadow-sm: 0 1px 2px rgba(15,23,42,.04), 0 1px 3px rgba(15,23,42,.06);
  --shadow-md: 0 4px 6px -2px rgba(15,23,42,.05), 0 10px 20px -4px rgba(15,23,42,.08);
  --shadow-lg: 0 20px 40px -12px rgba(15,23,42,.18);

  --nav-h: 64px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ax-ink);
  background: var(--ax-bg);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
}

a { color: var(--ax-brand); text-decoration: none; }
a:hover { color: var(--ax-brand-600); }

h1,h2,h3,h4,h5 { margin: 0 0 .5rem; line-height: 1.25; color: var(--ax-ink); }
h1 { font-size: 1.9rem; font-weight: 700; }
h2 { font-size: 1.5rem; font-weight: 650; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { margin: 0 0 .9rem; color: var(--ax-ink-soft); }

img { max-width: 100%; display: block; }

/* Layout ------------------------------------------------------------- */

.ax-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ax-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.ax-main {
  flex: 1;
  padding: 2rem 0 3rem;
}

/* Navbar ------------------------------------------------------------- */

.ax-nav {
  height: var(--nav-h);
  background: var(--ax-white);
  border-bottom: 1px solid var(--ax-line);
  position: sticky;
  top: 0;
  z-index: 100;
}
.ax-nav__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.ax-brand {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-weight: 700;
  color: var(--ax-ink);
  font-size: 1.05rem;
}
.ax-brand__mark {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--ax-brand) 0%, #7c3aed 100%);
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  letter-spacing: .5px;
}
.ax-nav__links {
  display: flex;
  gap: .25rem;
  align-items: center;
}
.ax-nav__link {
  display: inline-flex;
  align-items: center;
  padding: .5rem .8rem;
  border-radius: var(--r-sm);
  color: var(--ax-ink-soft);
  font-weight: 500;
}
.ax-nav__link.is-active,
.ax-nav__link:hover { background: var(--ax-line-2); color: var(--ax-ink); }
.ax-nav__spacer { flex: 1; }
.ax-nav__badge {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--ax-danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 999px;
  padding: 0 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
.ax-nav__user {
  display: inline-flex;
  gap: .5rem;
  align-items: center;
  padding: .3rem .6rem;
  border-radius: var(--r-md);
  background: var(--ax-line-2);
  color: var(--ax-ink);
}
.ax-avatar {
  width: 30px; height: 30px;
  background: var(--ax-brand);
  color: #fff;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: .85rem;
}

/* Buttons ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .65rem 1.1rem;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, transform .05s, box-shadow .15s;
  min-height: 44px;
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--ax-brand); color: #fff; }
.btn--primary:hover { background: var(--ax-brand-600); color: #fff; }
.btn--ghost { background: transparent; color: var(--ax-ink); border-color: var(--ax-line); }
.btn--ghost:hover { background: var(--ax-line-2); }
.btn--danger { background: var(--ax-danger); color: #fff; }
.btn--block { width: 100%; }
.btn--sm { padding: .4rem .75rem; min-height: 34px; font-size: .85rem; }

/* Cards -------------------------------------------------------------- */

.card {
  background: var(--ax-white);
  border: 1px solid var(--ax-line);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}
.card--hover { transition: box-shadow .15s, transform .15s; }
.card--hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* Forms -------------------------------------------------------------- */

.form-group { margin-bottom: 1.1rem; }
.form-label {
  display: block;
  font-size: .88rem;
  font-weight: 600;
  color: var(--ax-ink);
  margin-bottom: .35rem;
}
.form-help {
  font-size: .8rem;
  color: var(--ax-muted);
  margin-top: .3rem;
}
.form-control {
  width: 100%;
  padding: .7rem .9rem;
  border: 1px solid var(--ax-line);
  border-radius: var(--r-md);
  font-size: .95rem;
  font-family: inherit;
  background: var(--ax-white);
  color: var(--ax-ink);
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus {
  outline: 0;
  border-color: var(--ax-brand);
  box-shadow: 0 0 0 4px rgba(67, 97, 238, .12);
}
.form-control[readonly] { background: var(--ax-line-2); }

textarea.form-control { resize: vertical; min-height: 120px; }

.form-checkbox {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .92rem;
  color: var(--ax-ink-soft);
  cursor: pointer;
}
.form-checkbox input { width: 18px; height: 18px; }

/* Aliases used by Phase 4–6 admin pages */
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: .7rem .9rem;
  border: 1px solid var(--ax-line, #e2e8f0);
  border-radius: var(--r-md, 8px);
  font-size: .95rem;
  font-family: inherit;
  background: var(--ax-white, #fff);
  color: var(--ax-ink, #0f172a);
  transition: border-color .15s, box-shadow .15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: 0;
  border-color: var(--ax-brand, #4361ee);
  box-shadow: 0 0 0 4px rgba(67,97,238,.12);
}
.form-textarea { resize: vertical; min-height: 120px; }
.form-select { appearance: auto; }
.form-check {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .92rem; color: var(--ax-ink-soft, #475569); cursor: pointer;
}
.form-check input[type="checkbox"] { width: 18px; height: 18px; }
.u-required { color: var(--ax-danger, #ef4444); }

/* Flash -------------------------------------------------------------- */

.flash-stack { display: flex; flex-direction: column; gap: .5rem; margin-bottom: 1rem; }
.flash {
  padding: .8rem 1rem;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-weight: 500;
}
.flash--success { background: #d1fae5; border-color: #a7f3d0; color: #065f46; }
.flash--error   { background: #fee2e2; border-color: #fecaca; color: #991b1b; }
.flash--warning { background: #fef3c7; border-color: #fde68a; color: #92400e; }
.flash--info    { background: #e0f2fe; border-color: #bae6fd; color: #075985; }

/* Auth pages --------------------------------------------------------- */

.auth-wrap {
  min-height: calc(100vh - var(--nav-h));
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(1200px 600px at 10% -20%, rgba(67,97,238,.08), transparent 50%),
    radial-gradient(1200px 600px at 100% 120%, rgba(124,58,237,.08), transparent 50%);
}
.auth-card {
  width: 100%;
  max-width: 440px;
  background: var(--ax-white);
  border: 1px solid var(--ax-line);
  border-radius: var(--r-xl);
  padding: 2.4rem;
  box-shadow: var(--shadow-lg);
}
.auth-card h1 { margin-bottom: .4rem; }
.auth-sub { color: var(--ax-muted); margin-bottom: 1.6rem; }
.auth-foot { margin-top: 1.4rem; text-align: center; color: var(--ax-muted); font-size: .9rem; }

/* Hero --------------------------------------------------------------- */

.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  background:
    radial-gradient(900px 400px at 50% 0%, rgba(67,97,238,.12), transparent 60%),
    radial-gradient(900px 400px at 50% 100%, rgba(124,58,237,.1), transparent 60%);
}
.hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -.02em;
  font-weight: 800;
  background: linear-gradient(135deg, var(--ax-ink) 20%, var(--ax-brand) 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.hero p.lede {
  font-size: 1.15rem;
  color: var(--ax-ink-soft);
  max-width: 680px;
  margin: 1rem auto 2rem;
}

/* Course grid -------------------------------------------------------- */

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.course-card {
  background: var(--ax-white);
  border: 1px solid var(--ax-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .15s, transform .15s;
}
.course-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.course-card__thumb {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--ax-brand) 0%, #7c3aed 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 1rem;
  text-align: center;
}
.course-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.course-card__body { padding: 1.2rem 1.3rem 1.4rem; display: flex; flex-direction: column; flex: 1; }
.course-card__title { font-weight: 700; margin-bottom: .4rem; }
.course-card__desc { color: var(--ax-muted); font-size: .9rem; flex: 1; }
.course-card__foot {
  display: flex; justify-content: space-between; align-items: center; margin-top: 1rem;
}
.course-card__price { font-weight: 700; color: var(--ax-brand); }

/* Badges ------------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .6rem;
  font-size: .72rem;
  font-weight: 600;
  border-radius: 999px;
  background: var(--ax-line-2);
  color: var(--ax-ink-soft);
  letter-spacing: .02em;
}
.badge--success { background: #d1fae5; color: #065f46; }
.badge--warning { background: #fef3c7; color: #92400e; }
.badge--danger  { background: #fee2e2; color: #991b1b; }
.badge--brand   { background: var(--ax-brand-50); color: var(--ax-brand); }

/* Pagination --------------------------------------------------------- */

.pagination { display: inline-flex; gap: .3rem; margin-top: 1.5rem; }
.pagination__link {
  padding: .45rem .75rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--ax-line);
  color: var(--ax-ink-soft);
  background: var(--ax-white);
  font-size: .88rem;
}
.pagination__link:hover { background: var(--ax-line-2); }
.pagination__link.is-current { background: var(--ax-brand); color: #fff; border-color: var(--ax-brand); }
.pagination__link.is-disabled { opacity: .45; pointer-events: none; }

/* Toast -------------------------------------------------------------- */

.ax-toasts {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  z-index: 90;
}
.ax-toast {
  background: var(--ax-ink);
  color: #fff;
  padding: .8rem 1.1rem;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  font-size: .9rem;
  min-width: 240px;
  animation: toast-in .25s ease-out;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Utilities ---------------------------------------------------------- */

.u-flex { display: flex; gap: 1rem; align-items: center; }
.u-mt-0 { margin-top: 0; }
.u-mb-0 { margin-bottom: 0; }
.u-center { text-align: center; }
.u-muted { color: var(--ax-muted); }
.u-between { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.u-gap-sm { gap: .5rem; }
.u-gap-md { gap: 1rem; }
.u-row { display: flex; flex-wrap: wrap; gap: 1rem; }

/* Dashboard hero ------------------------------------------------------ */

.dash-hero {
  background: linear-gradient(135deg, #fff 0%, var(--ax-brand-50) 100%);
  border: 1px solid var(--ax-line);
  border-radius: var(--r-xl);
  padding: 1.5rem 1.8rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.dash-hero__greeting { flex: 2; min-width: 260px; }
.dash-hero__greeting h1 { font-size: 1.9rem; margin: .15rem 0 .6rem; }
.dash-hero__actions {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.dash-hero__continue {
  margin-top: .8rem;
  padding: .9rem 1.1rem;
  background: #fff;
  border: 1px solid var(--ax-line);
  border-radius: var(--r-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  max-width: 640px;
  box-shadow: var(--shadow-sm);
}

/* Progress bar (course card variant) --------------------------------- */

.progress-row { display: flex; flex-direction: column; }
.progress-bar {
  height: 6px;
  background: var(--ax-line);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--ax-brand), #7c3aed);
  transition: width .3s ease-out;
}

/* Progress page ------------------------------------------------------ */

.progress-module { border-top: 1px solid var(--ax-line-2); padding: .5rem 0; }
.progress-module > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  padding: .5rem 0;
  user-select: none;
}
.progress-module > summary::-webkit-details-marker { display: none; }
.progress-module > summary::after {
  content: '▸';
  color: var(--ax-muted);
  margin-left: .5rem;
  transition: transform .15s;
}
.progress-module[open] > summary::after { transform: rotate(90deg); }

.progress-lesson-list { list-style: none; padding: 0; margin: .4rem 0 0; }
.progress-lesson {
  display: block;
  border-radius: var(--r-sm);
}
.progress-lesson a {
  display: grid;
  grid-template-columns: 28px 1fr auto;
  align-items: center;
  gap: .6rem;
  padding: .5rem .7rem;
  color: var(--ax-ink-soft);
  text-decoration: none;
  border-radius: var(--r-sm);
  font-size: .9rem;
}
.progress-lesson a:hover { background: var(--ax-line-2); }
.progress-lesson--done a        { color: var(--ax-ink); }
.progress-lesson--done .progress-lesson__icon { color: var(--ax-success); font-weight: 700; }
.progress-lesson--in-progress .progress-lesson__icon { color: var(--ax-warning); }
.progress-lesson__title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.progress-lesson__meta  { font-size: .78rem; white-space: nowrap; }

/* Mobile nav --------------------------------------------------------- */

.ax-nav__toggle {
  display: none;
  background: none; border: 0;
  padding: .4rem;
  cursor: pointer;
  color: var(--ax-ink);
}

@media (max-width: 780px) {
  .ax-nav__toggle { display: inline-flex; }
  .ax-nav__links {
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--ax-white);
    border-bottom: 1px solid var(--ax-line);
    flex-direction: column;
    align-items: stretch;
    padding: .5rem 1rem 1rem;
    display: none;
  }
  .ax-nav__links.is-open { display: flex; }
  .ax-nav__link { padding: .65rem .8rem; }
}