@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --dark-green: #1B3A2D;
  --mid-green:  #2E5D3E;
  --light-green:#4A7C5E;
  --accent-green:#6BAF84;
  --cream:      #E8E0CC;
  --warm-white: #F5F3EE;
  --text-dark:  #1a1a1a;
  --text-mid:   #444;
  --text-light: #888;
  --correct:    #2E7D32;
  --correct-bg: #E8F5E9;
  --wrong:      #C62828;
  --wrong-bg:   #FFEBEE;
  --border:     #D8D4C8;
  --shadow:     0 4px 24px rgba(27,58,45,0.10);
  --shadow-lg:  0 12px 48px rgba(27,58,45,0.16);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--warm-white);
  color: var(--text-dark);
  min-height: 100vh;
}

/* ── Header ── */
.site-header {
  background: var(--dark-green);
  padding: 14px 32px;
  display: flex; align-items: center; gap: 16px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 16px rgba(0,0,0,0.18);
}
.header-logo-mark {
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.header-logo-mark svg { width: 24px; height: 24px; }
.header-text { flex: 1; }
.header-brand {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 10px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--cream); opacity: 0.7;
}
.header-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 15px; font-weight: 700;
  color: #fff;
}
.header-spacer { flex: 1; }
.header-user {
  color: var(--cream); font-size: 13px;
  display: flex; align-items: center; gap: 12px;
}
.header-user span { opacity: 0.8; }

/* ── Help menu ── */
.help-menu { position: relative; }
.help-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: #1a2a1a;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 6px 0;
  min-width: 220px;
  z-index: 1000;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.help-dropdown.open { display: block; }
.help-dropdown a {
  display: block;
  padding: 10px 16px;
  color: var(--cream);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
}
.help-dropdown a:hover { background: rgba(255,255,255,0.08); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 8px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 13px; font-weight: 700;
  cursor: pointer; border: none; transition: all 0.2s; text-decoration: none;
  white-space: nowrap;
}
.btn-primary   { background: var(--dark-green); color: #fff; }
.btn-primary:hover { background: var(--mid-green); transform: translateY(-1px); }
.btn-secondary { background: transparent; color: var(--dark-green); border: 2px solid var(--dark-green); }
.btn-secondary:hover { background: var(--dark-green); color: #fff; }
.btn-ghost     { background: rgba(255,255,255,0.12); color: var(--cream); border: 1px solid rgba(255,255,255,0.2); font-size: 12px; padding: 6px 14px; }

/* ── ConsultLess header badge ── */
.consultless-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(107,175,132,0.15); border: 1px solid rgba(107,175,132,0.4);
  border-radius: 8px; padding: 5px 12px;
  text-decoration: none; transition: background .18s;
  flex-shrink: 0;
}
.consultless-badge:hover { background: rgba(107,175,132,0.28); }
.consultless-badge-text { display: flex; flex-direction: column; align-items: flex-start; }
.consultless-badge-label { font-size: 8px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--accent-green); line-height: 1; }
.consultless-badge-name  { font-size: 12px; font-weight: 700; color: #fff; line-height: 1.3; }
.btn-ghost:hover { background: rgba(255,255,255,0.22); }
.btn-danger    { background: var(--wrong); color: #fff; }
.btn-danger:hover { background: #b71c1c; }
.btn-outline   { background: transparent; color: var(--mid-green); border: 1.5px solid var(--mid-green); }
.btn-outline:hover { background: var(--mid-green); color: #fff; }
.btn-sm        { padding: 6px 14px; font-size: 12px; border-radius: 6px; }
.btn:disabled  { opacity: 0.55; cursor: not-allowed; transform: none !important; }

/* ── Card ── */
.card {
  background: #fff; border-radius: 16px;
  border: 1px solid var(--border); box-shadow: var(--shadow); padding: 32px;
}

/* ── Container ── */
.container { max-width: 960px; margin: 0 auto; padding: 40px 24px; }
.container-sm { max-width: 720px; margin: 0 auto; padding: 40px 24px; }

/* ── Form fields ── */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-mid);
}
.field input, .field select, .field textarea {
  padding: 10px 14px; border-radius: 8px;
  border: 1.5px solid var(--border);
  font-family: 'Inter', sans-serif; font-size: 14px;
  color: var(--text-dark); background: #fff;
  transition: border-color 0.2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--mid-green);
}
.field textarea { resize: vertical; min-height: 100px; }

/* ── Badge ── */
.badge {
  display: inline-block; padding: 4px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 700; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; letter-spacing: 0.05em;
}
.badge-green { background: var(--correct-bg); color: var(--correct); }
.badge-red   { background: var(--wrong-bg);   color: var(--wrong); }
.badge-gray  { background: #f0f0f0;           color: #666; }

/* ── Loading spinner ── */
.loading {
  display: flex; align-items: center; justify-content: center;
  padding: 60px; color: var(--text-light); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; gap: 12px;
}
.spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid var(--border); border-top-color: var(--mid-green);
  animation: spin 0.8s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Toast notification ── */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--dark-green); color: #fff;
  padding: 14px 20px; border-radius: 10px;
  font-size: 14px; box-shadow: var(--shadow-lg);
  z-index: 9999; opacity: 0; transition: opacity 0.3s; pointer-events: none;
  max-width: 320px;
}
.toast.show  { opacity: 1; }
.toast.error { background: var(--wrong); }

/* ── Modal ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.45);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: #fff; border-radius: 20px;
  padding: 32px; width: 100%; max-width: 580px;
  max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px;
}
.modal-title { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 18px; font-weight: 800; }
.modal-close {
  background: none; border: none; cursor: pointer;
  font-size: 22px; color: var(--text-light); line-height: 1; width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center; border-radius: 6px;
}
.modal-close:hover { background: #f0f0f0; color: var(--text-dark); }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }

/* ── Section title ── */
.section-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 22px; font-weight: 800;
  color: var(--dark-green); margin-bottom: 8px;
}
.section-sub { color: var(--text-mid); font-size: 14px; margin-bottom: 28px; }

/* ── Hidden utility ── */
.hidden { display: none !important; }

/* ── Divider ── */
.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

/* ── Table ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.data-table th {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-light);
  padding: 8px 12px; text-align: left; border-bottom: 2px solid var(--border);
}
.data-table td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: #fafaf8; }

/* ── Module content rendering ── */
.module-content h2 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 18px; font-weight: 800;
  color: var(--dark-green); margin: 28px 0 10px;
}
.module-content h3 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif; font-size: 15px; font-weight: 700;
  color: var(--mid-green); margin: 20px 0 8px;
}
.module-content p { line-height: 1.7; color: var(--text-mid); margin: 8px 0; font-size: 14.5px; }
.module-content ul { margin: 8px 0 12px 20px; }
.module-content li { margin: 4px 0; line-height: 1.6; color: var(--text-mid); font-size: 14px; }
.module-content .highlight {
  background: #F0F7F3; border-left: 4px solid var(--accent-green);
  border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 16px 0;
  color: var(--dark-green); font-size: 14px;
}

/* ── Progress bar ── */
.progress-bar-wrap {
  background: var(--border); border-radius: 99px; height: 6px; margin: 12px 0;
}
.progress-bar-fill {
  background: var(--accent-green); border-radius: 99px; height: 6px;
  transition: width 0.4s ease;
}

/* ── Quiz option buttons ── */
.quiz-option {
  display: block; width: 100%; text-align: left;
  padding: 14px 18px; border-radius: 10px;
  border: 1.5px solid var(--border); background: #fff;
  font-family: 'Inter', sans-serif; font-size: 14px; color: var(--text-dark);
  cursor: pointer; transition: all 0.18s; margin-bottom: 10px;
}
.quiz-option:hover:not(:disabled) { border-color: var(--mid-green); background: #f4faf7; }
.quiz-option.correct { border-color: var(--correct); background: var(--correct-bg); color: var(--correct); font-weight: 500; }
.quiz-option.wrong   { border-color: var(--wrong);   background: var(--wrong-bg);   color: var(--wrong); }
.quiz-option:disabled { cursor: default; }