:root {
  --navy: #1a2744;
  --navy-deep: #121c33;
  --lime: #c6f04a;
  --lime-hover: #b6e038;
  --bg: #f3f5f8;
  --muted: #6b7280;
  --line: #e5e9f0;
  --card: #ffffff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--navy);
  font-family: Manrope, sans-serif;
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(198, 240, 74, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(26, 39, 68, 0.08), transparent 50%),
    var(--bg);
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

.container {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.main { flex: 1; padding: 2.5rem 0 3rem; }

.site-header {
  border-bottom: 1px solid rgba(229, 233, 240, 0.7);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand {
  font-family: Unbounded, sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.85rem 1.4rem;
  font-weight: 700;
  border: 2px solid transparent;
  cursor: pointer;
  transition: 0.2s ease;
  background: transparent;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-lime { background: var(--lime); color: var(--navy); }
.btn-lime:hover { background: var(--lime-hover); }
.btn-navy { background: var(--navy); color: #fff; }
.btn-navy:hover { background: var(--navy-deep); }
.btn-outline { background: #fff; border-color: rgba(26, 39, 68, 0.2); color: var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-danger { background: #fff; border: 1px solid #fecaca; color: #b91c1c; }
.btn-block { width: 100%; }
.btn-sm { padding: 0.45rem 0.9rem; font-size: 0.85rem; }

.section-title {
  font-family: Unbounded, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  text-align: center;
  margin: 0 0 0.5rem;
}

.section-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin: 0.75rem auto 0;
  border-bottom: 3px dotted var(--lime);
}

.section-lead {
  text-align: center;
  color: var(--muted);
  max-width: 40rem;
  margin: 0 auto 2rem;
}

.course-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.course-card, .empty-card, .success-card, .panel, .login-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 12px 40px rgba(26, 39, 68, 0.06);
}

.course-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
}

.course-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: rgba(198, 240, 74, 0.4);
  margin-bottom: 1rem;
}

.course-card h2 {
  font-family: Unbounded, sans-serif;
  font-size: 1.1rem;
  margin: 0;
}

.course-includes {
  margin-top: 1rem;
  white-space: pre-line;
  font-size: 0.95rem;
  line-height: 1.5;
  color: rgba(26, 39, 68, 0.8);
}

.course-bottom { margin-top: auto; padding-top: 1.5rem; }
.price { font-size: 1.5rem; font-weight: 800; margin: 0 0 1rem; }
.muted { color: var(--muted); }
.small { font-size: 0.8rem; }
.empty-card, .success-card { padding: 2rem; text-align: center; }
.success-card { max-width: 36rem; margin: 2rem auto; }
.success-card .btn { margin-top: 1.5rem; }

.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem 0;
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a:hover { text-decoration: underline; }

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .footer-links { flex-direction: row; gap: 1rem; }
}

.cookie-banner {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  z-index: 50;
  padding: 1rem;
}

.cookie-banner.hidden { display: none; }

.cookie-inner {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
  background: var(--navy);
  color: #fff;
  border-radius: 1rem;
  padding: 1rem 1.25rem;
}

.cookie-inner a { color: var(--lime); font-weight: 700; text-decoration: underline; }

@media (min-width: 768px) {
  .cookie-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(26, 39, 68, 0.55); backdrop-filter: blur(4px); }
.modal-card {
  position: relative;
  width: min(100%, 28rem);
  background: #fff;
  border-radius: 28px;
  padding: 1.5rem;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}
.modal-close {
  position: absolute;
  right: 1rem;
  top: 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.9rem;
}

input, textarea, select {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  background: #fff;
  outline: none;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(198, 240, 74, 0.35);
}

.check {
  flex-direction: row;
  align-items: flex-start;
  gap: 0.6rem;
  font-weight: 500;
  font-size: 0.85rem;
  line-height: 1.4;
}

.check input { margin-top: 0.2rem; }
.error {
  background: #fef2f2;
  color: #b91c1c;
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
  font-size: 0.9rem;
}
.error.hidden { display: none; }
.ok {
  background: rgba(198, 240, 74, 0.4);
  color: var(--navy);
  border-radius: 12px;
  padding: 0.65rem 0.8rem;
}

.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 1rem;
}

.login-card {
  width: min(100%, 26rem);
  padding: 2rem;
}

.login-card h1 {
  font-family: Unbounded, sans-serif;
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
}

.admin-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.admin-aside {
  background: var(--navy);
  color: #fff;
  padding: 1.25rem;
}

.admin-brand {
  font-family: Unbounded, sans-serif;
  font-weight: 700;
  margin-bottom: 2rem;
}

.admin-nav { display: flex; flex-direction: column; gap: 0.5rem; }
.admin-nav a {
  border-radius: 12px;
  padding: 0.55rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 700;
}
.admin-nav a.active { background: var(--lime); color: var(--navy); }
.admin-nav a:not(.active):hover { background: rgba(255,255,255,0.1); }
.admin-logout, .admin-back {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.9rem;
}
.admin-logout {
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  padding: 0.5rem 0.75rem;
}
.admin-back { color: rgba(255,255,255,0.7); }
.admin-content { padding: 1.25rem; min-width: 0; }
.admin-content h1 {
  font-family: Unbounded, sans-serif;
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
}

.table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 1rem;
}

table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.9rem; }
th, td { padding: 0.85rem 1rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg); color: var(--muted); }
.center { text-align: center; }

.badge {
  display: inline-block;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 800;
}
.badge.ok { background: rgba(198, 240, 74, 0.5); color: var(--navy); }
.badge.wait { background: #fef3c7; color: #92400e; }
.badge.bad { background: #fee2e2; color: #b91c1c; }

.admin-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

@media (min-width: 1000px) {
  .admin-grid { grid-template-columns: 1fr 1.1fr; }
}

.panel { padding: 1.25rem; }
.panel h2, .panel h3 { margin-top: 0; }
.stack { display: flex; flex-direction: column; gap: 0.75rem; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.row-between { display: flex; justify-content: space-between; gap: 0.75rem; align-items: flex-start; }

.settings-form { max-width: 42rem; display: grid; gap: 1.25rem; margin-top: 1.5rem; }
.two-col { display: grid; gap: 0.75rem; }
@media (min-width: 700px) {
  .two-col { grid-template-columns: 1fr 1fr; }
  .two-col .full { grid-column: 1 / -1; }
}

code {
  background: var(--bg);
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  font-size: 0.85em;
  word-break: break-all;
}

@media (max-width: 900px) {
  .admin-shell { grid-template-columns: 1fr; }
}