/* ============================================================
   PharmacyLoop Training Portal — styles.css
   Design: Clean / Medical / Professional
   Fonts: Cabinet Grotesk (headings) + General Sans (body)
   ============================================================ */

/* === DESIGN TOKENS === */
:root {
  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.5rem  + 2vw,    3rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;

  /* Transitions */
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Fonts */
  --font-display: 'Cabinet Grotesk', 'Helvetica Neue', sans-serif;
  --font-body:    'General Sans', 'Inter', 'Helvetica Neue', sans-serif;

  /* Sidebar width */
  --sidebar-w: 280px;
}

/* === LIGHT MODE === */
:root, [data-theme="light"] {
  --color-bg:           #F4F7FA;
  --color-surface:      #FFFFFF;
  --color-surface-2:    #EBF5FC;
  --color-border:       #D0E4F0;
  --color-divider:      #E2EEF7;
  --color-text:         #0D1F3C;
  --color-text-muted:   #5A7290;
  --color-text-faint:   #A0B4C8;
  --color-primary:      #00AEEF;
  --color-primary-hover:#0090CC;
  --color-primary-light:#E0F5FD;
  --color-success:      #0D8A4E;
  --color-success-light:#E6F7EF;
  --color-warning:      #C07000;
  --color-warning-light:#FFF8E6;
  --color-sidebar-bg:   #002B55;
  --color-sidebar-text: #C8DFF0;
  --color-sidebar-muted:#5A82A0;
  --color-sidebar-active-bg: rgba(0, 174, 239, 0.18);
  --color-sidebar-active-text: #4DD4F8;
  --color-sidebar-hover-bg: rgba(255,255,255,0.06);
  --shadow-sm: 0 1px 3px rgba(0,43,85,0.07);
  --shadow-md: 0 4px 16px rgba(0,43,85,0.10);
  --shadow-lg: 0 12px 40px rgba(0,43,85,0.13);
}

/* === DARK MODE === */
[data-theme="dark"] {
  /* Softer dark — warm slate tones, reduced harshness */
  --color-bg:           #141E2B;
  --color-surface:      #1C2A3A;
  --color-surface-2:    #223040;
  --color-border:       #2E4055;
  --color-divider:      #263548;
  --color-text:         #E2EBF4;
  --color-text-muted:   #8FAFC8;
  --color-text-faint:   #4E6880;
  --color-primary:      #29BCF2;
  --color-primary-hover:#4DCEF7;
  --color-primary-light:rgba(41,188,242,0.13);
  --color-success:      #3DD68C;
  --color-success-light:rgba(61,214,140,0.13);
  --color-warning:      #F5C842;
  --color-warning-light:rgba(245,200,66,0.13);
  --color-sidebar-bg:   #0F1C2A;
  --color-sidebar-text: #C8DCF0;
  --color-sidebar-muted:#527590;
  --color-sidebar-active-bg: rgba(41,188,242,0.16);
  --color-sidebar-active-text: #5DD8FF;
  --color-sidebar-hover-bg: rgba(255,255,255,0.06);
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 18px rgba(0,0,0,0.32);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.42);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    /* Softer dark — warm slate tones, reduced harshness */
    --color-bg:           #141E2B;
    --color-surface:      #1C2A3A;
    --color-surface-2:    #223040;
    --color-border:       #2E4055;
    --color-divider:      #263548;
    --color-text:         #E2EBF4;
    --color-text-muted:   #8FAFC8;
    --color-text-faint:   #4E6880;
    --color-primary:      #29BCF2;
    --color-primary-hover:#4DCEF7;
    --color-primary-light:rgba(41,188,242,0.13);
    --color-success:      #3DD68C;
    --color-success-light:rgba(61,214,140,0.13);
    --color-warning:      #F5C842;
    --color-warning-light:rgba(245,200,66,0.13);
    --color-sidebar-bg:   #0F1C2A;
    --color-sidebar-text: #C8DCF0;
    --color-sidebar-muted:#527590;
    --color-sidebar-active-bg: rgba(41,188,242,0.16);
    --color-sidebar-active-text: #5DD8FF;
    --color-sidebar-hover-bg: rgba(255,255,255,0.06);
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.25);
    --shadow-md: 0 4px 18px rgba(0,0,0,0.32);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.42);
  }
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100dvh;
  line-height: 1.6;
  display: block;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
ul[role="list"], ol[role="list"] { list-style: none; }
button { cursor: pointer; background: none; border: none; font: inherit; color: inherit; }
a, button, [role="button"] { transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition); }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; border-radius: var(--radius-sm); }
h1, h2, h3, h4 { font-family: var(--font-display); text-wrap: balance; line-height: 1.15; }
p, li { text-wrap: pretty; }

/* === LAYOUT === */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100dvh;
  background: var(--color-sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 100;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--transition);
}

.main-content {
  margin-left: var(--sidebar-w);
  min-height: 100dvh;
  width: calc(100% - var(--sidebar-w));
  background: var(--color-bg);
  position: relative;
}

/* === SIDEBAR HEADER === */
.sidebar-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-5) var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.sidebar-logo {
  width: 100%;
  max-width: 180px;
  height: auto;
  display: block;
  /* logo has white bg — give it a slight rounded container */
  border-radius: var(--radius-md);
  padding: 6px 10px;
  background: #fff;
}
.logo-sub {
  font-size: var(--text-xs);
  color: var(--color-sidebar-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

/* === SIDEBAR SEARCH === */
.sidebar-search {
  padding: var(--space-4) var(--space-4) var(--space-2);
  position: relative;
}
.sidebar-search input {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-8);
  font-size: var(--text-sm);
  color: var(--color-sidebar-text);
  outline: none;
  transition: border-color var(--transition);
}
.sidebar-search input::placeholder { color: var(--color-sidebar-muted); }
.sidebar-search input:focus { border-color: var(--color-primary); background: rgba(255,255,255,0.09); }
.search-icon {
  position: absolute;
  left: calc(var(--space-4) + var(--space-3));
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  color: var(--color-sidebar-muted);
  pointer-events: none;
}

/* === SIDEBAR NAV === */
.module-nav {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.nav-section { display: flex; flex-direction: column; gap: var(--space-1); }

.nav-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-sidebar-muted);
  padding: var(--space-2) var(--space-3) var(--space-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-sidebar-text);
  font-size: var(--text-sm);
  font-weight: 500;
  text-align: left;
  width: 100%;
  position: relative;
  transition: background var(--transition), color var(--transition);
}
.nav-item:hover { background: var(--color-sidebar-hover-bg); }
.nav-item.active {
  background: var(--color-sidebar-active-bg);
  color: var(--color-sidebar-active-text);
}

.nav-step-badge {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
  color: var(--color-sidebar-muted);
}
.nav-item.active .nav-step-badge {
  background: var(--color-primary);
  color: #fff;
}
.nav-item.completed .nav-step-badge {
  background: var(--color-success);
  color: #fff;
}

.nav-item-text { flex: 1; }

.nav-check {
  font-size: 0.75rem;
  color: var(--color-success);
  font-weight: 700;
}
.nav-check.hidden { visibility: hidden; }

/* === PROGRESS === */
.progress-section {
  padding: var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.07);
}
.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-sidebar-muted);
  margin-bottom: var(--space-2);
}
#progress-pct { color: var(--color-sidebar-text); font-weight: 600; }
.progress-bar-track {
  height: 5px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-full, 9999px);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #0070A8, #00AEEF);
  border-radius: var(--radius-full, 9999px);
  transition: width 500ms ease;
}
.progress-sub {
  font-size: 0.65rem;
  color: var(--color-sidebar-muted);
  margin-top: var(--space-2);
}

/* === SIDEBAR FOOTER === */
.sidebar-footer {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.sidebar-footer-text { font-size: var(--text-xs); color: var(--color-sidebar-muted); }
.theme-toggle {
  width: 32px; height: 32px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,0.07);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-sidebar-muted);
  flex-shrink: 0;
}
.theme-toggle:hover { background: rgba(255,255,255,0.12); color: var(--color-sidebar-text); }

/* === MOBILE HEADER (hidden on desktop) === */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--color-sidebar-bg);
  z-index: 200;
  align-items: center;
  padding: 0 var(--space-4);
  gap: var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mobile-logo-img { height: 28px; width: auto; flex: 1; border-radius: 4px; padding: 2px 6px; background: #fff; object-fit: contain; }
.mobile-menu-btn, .theme-toggle-mobile {
  color: var(--color-sidebar-muted);
  background: none; border: none; padding: var(--space-2);
}
.mobile-menu-btn:hover, .theme-toggle-mobile:hover { color: #fff; }

/* === MODULES === */
.module { display: none; min-height: 100dvh; }
.module.active { display: block; }

/* === MODULE HEADER === */
.module-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-10) var(--space-10) var(--space-10) calc(var(--space-10) + 8px);
}

.welcome-header {
  background: linear-gradient(135deg, #002B55 0%, #0070A8 60%, #00AEEF 100%);
  border-bottom: none;
}
[data-theme="dark"] .welcome-header {
  background: linear-gradient(135deg, #001A35 0%, #003F6B 60%, #0070A8 100%);
}

.module-header-content { max-width: 100%; }

.module-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full, 9999px);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.welcome-header .module-badge {
  background: rgba(255,255,255,0.18);
  color: #fff;
}

.module-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

.welcome-header .module-title,
.welcome-header .module-subtitle { color: #fff; }

.module-subtitle { font-size: var(--text-base); color: var(--color-text-muted); }
.welcome-header .module-subtitle { color: rgba(255,255,255,0.8); }

/* === WELCOME STATS === */
.welcome-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.stat-chip {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full, 9999px);
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 500;
}
.stat-chip svg { width: 16px; height: 16px; flex-shrink: 0; }

/* === MODULE BODY === */
.module-body { padding: var(--space-8) var(--space-10) var(--space-8) calc(var(--space-10) + 8px); max-width: 100%; }

/* === WELCOME GRID === */
.welcome-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.info-card h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin: var(--space-4) 0 var(--space-3);
  letter-spacing: -0.01em;
}
.info-card ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.info-card li { font-size: var(--text-sm); color: var(--color-text-muted); padding-left: var(--space-4); position: relative; }
.info-card li::before { content: "·"; position: absolute; left: var(--space-1); color: var(--color-primary); font-weight: 700; }

.info-card-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.info-card-icon svg { width: 20px; height: 20px; }
.info-card-icon.blue  { background: var(--color-primary-light); color: var(--color-primary); }
.info-card-icon.green { background: var(--color-success-light); color: var(--color-success); }
.info-card-icon.amber { background: var(--color-warning-light); color: var(--color-warning); }

/* === MODULE CARDS GRID === */
.section-title {
  font-size: var(--text-lg);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.module-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  box-shadow: var(--shadow-sm);
}
.module-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.module-card-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-3);
}
[data-theme="dark"] .module-card-num { color: rgba(96,165,250,0.2); }
.module-card h4 { font-size: var(--text-sm); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-1); }
.module-card p { font-size: var(--text-xs); color: var(--color-text-muted); }
.module-card-cta { display: block; margin-top: var(--space-4); font-size: var(--text-xs); font-weight: 600; color: var(--color-primary); }

/* === VIDEO SECTION === */
.video-section {
  margin-bottom: var(--space-8);
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.video-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.video-label svg { width: 14px; height: 14px; color: var(--color-primary); }

/* YouTube-style 16:9 player — constrained width + explicit heights */
.video-wrapper {
  display: block;
  width: 100%;
  max-width: 854px;
  margin: 0 auto;
  height: auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  line-height: 0;
}
.video-wrapper iframe {
  display: block;
  width: 100%;
  height: 480px;
  border: 0;
}
@media (max-width: 1200px) {
  .video-wrapper iframe { height: 420px; }
}
@media (max-width: 900px) {
  .video-wrapper iframe { height: 340px; }
}
@media (max-width: 600px) {
  .video-wrapper iframe { height: 210px; }
}

/* YouTube thumbnail card */
.yt-thumb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.yt-thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: filter var(--transition);
  filter: brightness(0.85);
}
.yt-thumb:hover img { filter: brightness(0.65); }
.yt-play-btn {
  position: relative;
  z-index: 2;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 0, 0, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.5);
  transition: transform var(--transition), background var(--transition);
}
.yt-thumb:hover .yt-play-btn {
  transform: scale(1.1);
  background: #ff0000;
}
.yt-play-btn svg {
  width: 28px;
  height: 28px;
  color: #fff;
  margin-left: 4px;
}
.yt-label {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  z-index: 2;
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 600;
  text-shadow: 0 1px 4px rgba(0,0,0,0.7);
}
.yt-open-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
}
.yt-open-link:hover { text-decoration: underline; }
.yt-open-link svg { width: 15px; height: 15px; }

/* === PDF DOWNLOAD BUTTON === */
.pdf-download-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-md);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
}
.pdf-download-btn:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.pdf-download-btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* === PDF COMING SOON PLACEHOLDER === */
.pdf-coming-soon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-5);
  background: var(--color-bg-tertiary);
  border: 1.5px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: default;
  opacity: 0.75;
}
.pdf-coming-soon svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.6;
}

.video-coming-soon {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.video-coming-soon svg { width: 14px; height: 14px; flex-shrink: 0; }

/* === VIDEO COMPLETE ACTION (Mark Complete button under video) === */
.video-complete-action {
  margin-top: var(--space-4);
  display: flex;
  align-items: center;
}

/* === VIDEO ENDED NUDGE === */
.video-ended-nudge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-success-light);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-success);
  font-weight: 500;
  animation: nudgeFadeIn 0.4s ease forwards;
}
.video-ended-nudge svg { flex-shrink: 0; color: var(--color-success); }
.video-ended-nudge strong { font-weight: 700; }
@keyframes nudgeFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === CONTENT GRID === */
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.steps-card, .tips-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.steps-card h3, .tips-card h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  margin-bottom: var(--space-4);
  color: var(--color-text);
  letter-spacing: -0.01em;
}

/* Ordered list — steps */
.step-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  counter-reset: step;
}
.step-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  counter-increment: step;
}
.step-list li::before {
  content: counter(step);
  min-width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Tips list */
.tips-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.tips-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.tips-list svg {
  width: 15px; height: 15px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* === NOTES === */
.notes-section {
  margin-bottom: var(--space-8);
}
.notes-section h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}
.notes-textarea {
  width: 100%;
  min-height: 100px;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition);
  line-height: 1.6;
}
.notes-textarea::placeholder { color: var(--color-text-faint); }
.notes-textarea:focus { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }

/* === BUTTONS === */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px rgba(0,174,239,0.25);
}
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,174,239,0.35); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled,
.btn-primary[disabled] {
  background: var(--color-text-faint);
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
  opacity: 0.5;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.btn-secondary:hover { background: var(--color-surface-2, #F0F4F8); color: var(--color-text); border-color: var(--color-text-muted); }

.btn-complete {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  background: var(--color-success-light);
  color: var(--color-success);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-complete:hover { background: var(--color-success); color: #fff; transform: translateY(-1px); }
.btn-complete svg { width: 16px; height: 16px; }
.btn-complete.done { background: var(--color-success); color: #fff; }

/* === MODULE NAV FOOTER === */
.module-nav-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2);
}
.nav-actions { display: flex; align-items: center; gap: var(--space-3); }

/* === COMPLETION BANNER === */
.completion-banner {
  padding: var(--space-16) var(--space-10);
  display: flex;
  align-items: center;
  justify-content: center;
}
.completion-inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  text-align: center;
  max-width: 480px;
  box-shadow: var(--shadow-lg);
}
.completion-icon { font-size: 3rem; margin-bottom: var(--space-4); }
.completion-inner h2 { font-size: var(--text-xl); font-weight: 800; margin-bottom: var(--space-3); color: var(--color-text); letter-spacing: -0.02em; }
.completion-inner p { color: var(--color-text-muted); margin-bottom: var(--space-6); }

/* === SIDEBAR OVERLAY (mobile) === */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 90;
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .welcome-grid { grid-template-columns: 1fr; }
  .module-cards-grid { grid-template-columns: 1fr 1fr; }
  .content-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }

  .sidebar {
    width: 268px;
    transform: translateX(-100%);
    transition: transform 300ms ease;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.open { display: block; }

  .mobile-header { display: flex; }
  .main-content { margin-left: 0; padding-top: 56px; }

  .module-header { padding: var(--space-6) var(--space-5); }
  .module-body { padding: var(--space-5); }
  .module-cards-grid { grid-template-columns: 1fr; }
  .module-nav-footer { flex-direction: column; align-items: stretch; gap: var(--space-3); }
  .nav-actions { flex-direction: column; }
  .btn-primary, .btn-secondary, .btn-complete { width: 100%; justify-content: center; }
}

/* === SEARCH FILTER === */
.nav-item.hidden-by-search { display: none; }

/* === LOCKED NAV ITEMS (Coming Soon) === */
.nav-item--locked {
  opacity: 0.45;
  cursor: not-allowed !important;
  pointer-events: none;
}
.nav-item--locked .nav-step-badge {
  background: rgba(255,255,255,0.06);
  color: var(--color-sidebar-muted);
}
.nav-coming-soon {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  background: rgba(255,255,255,0.10);
  color: var(--color-sidebar-muted);
  padding: 2px 6px;
  border-radius: 4px;
  flex-shrink: 0;
}

/* === LOCKED MODULE CARDS === */
.module-card--locked {
  opacity: 0.45;
  cursor: not-allowed !important;
  pointer-events: none;
  background: var(--color-surface);
  filter: grayscale(0.4);
}
.module-card--locked:hover {
  transform: none;
  box-shadow: var(--shadow-sm);
  border-color: var(--color-border);
}
.module-lock-badge {
  display: inline-block;
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--color-bg);
  color: var(--color-text-faint);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: 6px;
  vertical-align: middle;
}
.locked-cta {
  color: var(--color-text-faint) !important;
}

/* === CERTIFICATION MODAL === */
.cert-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 10, 30, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  animation: certOverlayIn 0.3s ease forwards;
}
@keyframes certOverlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.cert-modal {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10) var(--space-10);
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(0,174,239,0.18);
  text-align: center;
  overflow: hidden;
  animation: certModalIn 0.4s cubic-bezier(0.16,1,0.3,1) forwards;
}
@keyframes certModalIn {
  from { opacity: 0; transform: scale(0.88) translateY(24px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.cert-confetti {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* Badge */
.cert-badge-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.cert-badge {
  width: 120px;
  height: 120px;
  animation: badgePop 0.6s 0.2s cubic-bezier(0.16,1,0.3,1) both;
  filter: drop-shadow(0 8px 32px rgba(0,174,239,0.45));
}
@keyframes badgePop {
  from { opacity: 0; transform: scale(0.4) rotate(-15deg); }
  to   { opacity: 1; transform: scale(1) rotate(0deg); }
}
.cert-badge-stars {
  display: flex;
  gap: 4px;
  animation: starsIn 0.5s 0.6s ease both;
}
@keyframes starsIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cert-badge-stars span {
  font-size: 1.1rem;
  color: #F59E0B;
  text-shadow: 0 1px 4px rgba(245,158,11,0.5);
  animation: starPulse 2s 1s ease-in-out infinite alternate;
}
.cert-badge-stars span:nth-child(2) { animation-delay: 1.1s; }
.cert-badge-stars span:nth-child(3) { animation-delay: 1.2s; }
.cert-badge-stars span:nth-child(4) { animation-delay: 1.3s; }
.cert-badge-stars span:nth-child(5) { animation-delay: 1.4s; }
@keyframes starPulse {
  from { opacity: 0.7; transform: scale(1); }
  to   { opacity: 1; transform: scale(1.15); }
}

/* Content */
.cert-content {
  position: relative;
  z-index: 1;
}
.cert-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full, 9999px);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.cert-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.cert-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

/* Stats row */
.cert-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-5);
  padding: var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.cert-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}
.cert-stat-num {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.cert-stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-faint);
}

/* Credential line */
.cert-credential {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.cert-credential svg { flex-shrink: 0; color: var(--color-success); }

/* Actions */
.cert-actions {
  display: flex;
  gap: var(--space-3);
  justify-content: center;
}

@media (max-width: 560px) {
  .cert-modal { padding: var(--space-8) var(--space-6); }
  .cert-stats { gap: var(--space-4); }
  .cert-actions { flex-direction: column; }
  .cert-actions .btn-primary,
  .cert-actions .btn-secondary { width: 100%; justify-content: center; }
}