:root {
  --color-primary: #0057a1;
  --color-primary-dark: #004378;
  --color-secondary: #09967c;
  --color-secondary-dark: #077a64;
  --color-bg: #f7fafc;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-border: #e2e8f0;
  --color-success-bg: #dcfce7;
  --color-success-text: #166534;
  --color-error-bg: #fee2e2;
  --color-error-text: #991b1b;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--color-border); }
.header-inner {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; flex-wrap: wrap; gap: 12px;
}
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--color-text); }
.logo img, .logo-img {
  height: 42px; width: 42px; max-width: 42px; max-height: 42px;
  border-radius: 50%; display: block; object-fit: cover; flex-shrink: 0;
}
.logo span { color: var(--color-secondary); }
.logo:hover { text-decoration: none; }
.main-nav a { margin-left: 18px; font-weight: 500; color: var(--color-text); }
.main-nav a.btn-nav {
  background: var(--color-primary); color: #fff; padding: 8px 16px; border-radius: var(--radius);
}
.main-nav a.btn-nav:hover { background: var(--color-primary-dark); text-decoration: none; }

main.container { padding: 40px 20px; min-height: 60vh; }

/* Auth forms */
.auth-card {
  max-width: 420px; margin: 0 auto; background: #fff; padding: 32px;
  border-radius: var(--radius); border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.auth-card h1 { margin-top: 0; font-size: 1.5rem; }
.auth-card form label { display: block; margin-top: 14px; font-weight: 600; font-size: .9rem; }
.auth-card form input {
  width: 100%; padding: 10px 12px; margin-top: 6px; border: 1px solid var(--color-border);
  border-radius: 6px; font-size: 1rem;
}
.auth-card form input:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}
.auth-card form small { color: var(--color-muted); font-size: .8rem; }
.auth-card button { margin-top: 22px; width: 100%; }

.btn {
  display: inline-block; padding: 10px 20px; border-radius: 6px; border: none;
  cursor: pointer; font-weight: 600; font-size: 1rem;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); text-decoration: none; }
.btn-secondary { background: #fff; color: var(--color-text); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: #f1f5f9; text-decoration: none; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; }
.alert-error { background: var(--color-error-bg); color: var(--color-error-text); }
.alert-success { background: var(--color-success-bg); color: var(--color-success-text); }
.alert ul { margin: 0; padding-left: 20px; }

/* Home */
.hero { text-align: center; padding: 60px 0 20px; }
.hero h1 { font-size: 2.2rem; margin-bottom: 12px; }
.hero p { color: var(--color-muted); font-size: 1.1rem; margin-bottom: 28px; }
.phase-note { text-align: center; color: var(--color-muted); padding-bottom: 40px; }

.badge-soon {
  background: #fef3c7; color: #92400e; padding: 2px 8px; border-radius: 12px;
  font-size: .75rem; font-weight: 600;
}
.muted-link { color: var(--color-muted); font-size: .9rem; }

.dashboard-placeholder {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 24px; max-width: 700px;
}

/* Footer */
.site-footer { background: #fff; border-top: 1px solid var(--color-border); padding: 24px 0; margin-top: 60px; }
.site-footer .container { text-align: center; color: var(--color-muted); font-size: .85rem; }
.disclaimer { max-width: 700px; margin: 8px auto 0; }

/* Catalog / course cards */
.section-heading { font-size: 1.4rem; margin: 8px 0 20px; }

.course-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px; margin-bottom: 20px;
}
.course-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
}
.course-thumb {
  height: 120px; display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}
.course-thumb-lg { height: 180px; font-size: 3.5rem; border-radius: var(--radius); margin-bottom: 16px; }
.course-card-body { padding: 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.course-card-body h3 { margin: 4px 0; font-size: 1.15rem; }
.course-desc { color: var(--color-muted); font-size: .92rem; flex: 1; }
.course-meta { list-style: none; padding: 0; margin: 4px 0; display: flex; gap: 14px; font-size: .85rem; color: var(--color-muted); }
.course-meta-lg { font-size: .95rem; gap: 22px; margin: 18px 0; }
.course-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 10px; }

.badge {
  display: inline-block; font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .03em; padding: 3px 10px; border-radius: 20px; width: fit-content;
}
.badge-level { background: #e3f0f8; color: var(--color-primary-dark); }

.price { font-weight: 700; color: var(--color-text); }
.price-lg { font-size: 2rem; margin-bottom: 16px; }

/* Course details */
.course-details { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; align-items: start; }
.course-details-main h1 { margin-top: 8px; }
.course-desc-full { color: var(--color-text); }
.course-buy-box {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 24px; position: sticky; top: 20px;
}
.btn-block { display: block; width: 100%; text-align: center; }
.alert-info { background: #eff6ff; color: #1e40af; }

@media (max-width: 800px) {
  .course-details { grid-template-columns: 1fr; }
}

/* Checkout / result pages */
.checkout-card { max-width: 460px; }
.course-summary { margin: 16px 0; }
.result-card { max-width: 480px; text-align: center; }
.result-icon { font-size: 2.8rem; margin-bottom: 8px; }

@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .main-nav a { margin-left: 0; margin-right: 14px; }
}

/* Progress bars */
.progress-bar-track {
  background: #e2e8f0; border-radius: 20px; height: 10px; overflow: hidden; margin: 10px 0 4px;
}
.progress-bar-sm { height: 7px; margin: 8px 0 4px; }
.progress-bar-fill { background: var(--color-primary); height: 100%; border-radius: 20px; transition: width .3s ease; }
.progress-summary { max-width: 420px; }

.recent-list { list-style: none; padding: 0; }
.recent-list li { padding: 10px 0; border-bottom: 1px solid var(--color-border); }

/* Syllabus */
.syllabus-module { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px 20px; margin-bottom: 14px; }
.syllabus-module h3, .syllabus-module h4 { margin: 0 0 10px; }
.syllabus-lessons { list-style: none; padding: 0; margin: 0; }
.syllabus-lessons li { padding: 6px 0; }
.syllabus-lessons a { color: var(--color-text); display: flex; align-items: center; gap: 8px; }
.syllabus-lessons li.is-current a { font-weight: 700; color: var(--color-primary); }
.lesson-check { flex-shrink: 0; }

/* Lesson viewer */
.lesson-layout { display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: start; }
.lesson-sidebar { position: sticky; top: 20px; }
.lesson-sidebar .syllabus-module { padding: 12px 16px; }
.lesson-main { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 28px; }
.video-placeholder {
  background: #0f172a; color: #fff; border-radius: 6px; padding: 40px 20px; text-align: center; margin: 16px 0;
}
.video-placeholder a { color: #93c5fd; }
.lesson-content { margin: 20px 0; line-height: 1.7; }
.lesson-actions { display: flex; align-items: center; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.badge-complete { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-danger { background: var(--color-error-bg); color: var(--color-error-text); }

@media (max-width: 800px) {
  .lesson-layout { grid-template-columns: 1fr; }
  .lesson-sidebar { position: static; }
}

/* Admin */
.admin-header .logo span { color: var(--color-secondary); }
.admin-page-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; flex-wrap: wrap; gap: 10px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 20px; text-align: center; }
.stat-value { display: block; font-size: 1.7rem; font-weight: 700; color: var(--color-primary); }
.stat-label { display: block; color: var(--color-muted); font-size: .85rem; margin-top: 4px; }
.admin-quicklinks { display: flex; gap: 12px; flex-wrap: wrap; }

.admin-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; }
.admin-table th, .admin-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--color-border); font-size: .92rem; }
.admin-table th { background: #f8fafc; font-weight: 700; }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table-compact th, .admin-table-compact td { font-size: .82rem; padding: 8px 10px; }
.mono-cell { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem; word-break: break-all; }
.admin-actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.admin-actions a, .admin-actions form { display: inline-block; }

.link-button {
  background: none; border: none; color: var(--color-primary); cursor: pointer; font: inherit; padding: 0; text-decoration: underline;
}
.link-button-danger { color: var(--color-error-text); }
.inline-form { display: inline-block; }

.admin-form { max-width: 640px; }
.admin-form label { display: block; margin-top: 14px; font-weight: 600; font-size: .9rem; }
.admin-form input[type="text"], .admin-form input[type="number"], .admin-form input[type="url"],
.admin-form input[type="password"], .admin-form input[type="email"], .admin-form select, .admin-form textarea {
  width: 100%; padding: 10px 12px; margin-top: 6px; border: 1px solid var(--color-border); border-radius: 6px; font-size: 1rem; font-family: inherit;
}
.admin-form button { margin-top: 20px; }
.admin-form-inline { display: flex; gap: 10px; align-items: flex-end; max-width: none; flex-wrap: wrap; }
.admin-form-inline input { margin-top: 0; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row > div { flex: 1; min-width: 140px; }
.checkbox-label { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-weight: 600; font-size: .9rem; }
.checkbox-label input { width: auto; }
.input-narrow { max-width: 90px; }

.module-row-form { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.module-row-field { display: flex; flex-direction: column; gap: 2px; }
.module-row-title { flex: 1; min-width: 200px; }
.field-label { font-size: .72rem; color: var(--color-muted); text-transform: uppercase; }
.module-row-field input { padding: 6px 10px; border: 1px solid var(--color-border); border-radius: 6px; }

.lesson-editor { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); margin-bottom: 10px; padding: 4px 20px 20px; }
.lesson-editor summary { cursor: pointer; padding: 14px 0; font-weight: 600; display: flex; align-items: center; gap: 10px; }

/* Certificates */
.cert-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.cert-card {
  background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 20px; display: flex; flex-direction: column; gap: 8px;
}
.cert-card h3 { margin: 0; font-size: 1.05rem; }
.cert-card-revoked { opacity: .7; }
.cert-card-actions { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; margin-top: 6px; }

.verify-details { list-style: none; padding: 0; margin: 16px 0 0; }
.verify-details li { padding: 8px 0; border-bottom: 1px solid var(--color-border); font-size: .95rem; }
.verify-details li:last-child { border-bottom: none; }

/* Home page redesign */
.hero-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #fff; text-align: center; padding: 64px 20px 56px; margin: -40px -20px 0;
  border-radius: 0 0 20px 20px;
}
.hero-band-inner { max-width: 720px; margin: 0 auto; }
.hero-logo {
  width: 84px; height: 84px; max-width: 84px; max-height: 84px; object-fit: cover;
  border-radius: 50%; background: #fff; padding: 4px;
  margin-bottom: 18px; box-shadow: 0 4px 20px rgba(0,0,0,.15);
}
.hero-eyebrow {
  display: inline-block; background: rgba(255,255,255,.18); padding: 5px 14px; border-radius: 20px;
  font-size: .78rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 18px;
}
.hero-band h1 { font-size: 2.5rem; margin: 0 0 16px; line-height: 1.2; }
.hero-sub { font-size: 1.1rem; opacity: .92; max-width: 560px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-hero-primary {
  background: #fff; color: var(--color-primary); padding: 12px 26px; border-radius: 6px; font-weight: 700;
}
.btn-hero-primary:hover { background: #f1f5f9; text-decoration: none; }
.btn-hero-outline {
  background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.7); padding: 10px 26px; border-radius: 6px; font-weight: 700;
}
.btn-hero-outline:hover { background: rgba(255,255,255,.12); text-decoration: none; }

.stats-bar { background: #fff; border-bottom: 1px solid var(--color-border); padding: 24px 20px; margin: 0 -20px 50px; }
.stats-bar-inner {
  max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; text-align: center;
}
.stat-pill-value { display: block; font-size: 1.5rem; font-weight: 700; color: var(--color-primary); }
.stat-pill-label { display: block; font-size: .82rem; color: var(--color-muted); margin-top: 2px; }

.section-heading.center { text-align: center; font-size: 1.7rem; margin-bottom: 30px; }

.features { margin-bottom: 56px; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.feature-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 26px 22px; text-align: center; }
.feature-icon { font-size: 2rem; margin-bottom: 10px; }
.feature-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.feature-card p { color: var(--color-muted); font-size: .9rem; margin: 0; }

.catalog { margin-bottom: 56px; }

.cta-banner {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);
  color: #fff; text-align: center; padding: 50px 20px; border-radius: var(--radius); margin: 0 0 20px;
}
.cta-banner h2 { margin: 0 0 10px; font-size: 1.7rem; }
.cta-banner p { opacity: .92; margin: 0 0 22px; }

.footer-inner { text-align: center; }
.footer-logo {
  width: 44px; height: 44px; max-width: 44px; max-height: 44px;
  border-radius: 50%; margin-bottom: 10px; object-fit: cover;
}

@media (max-width: 700px) {
  .hero-band h1 { font-size: 1.9rem; }
  .stats-bar-inner { grid-template-columns: repeat(2, 1fr); }
}