/* ============================================
   POLICE ACADEMY - DESIGN SYSTEM
   ============================================ */

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

:root {
  --navy-deep: #0a1628;
  --navy: #142850;
  --navy-light: #1e3a5f;
  --steel: #27496d;
  --silver: #b8c5d6;
  --silver-light: #e8eef5;
  --gold: #d4a017;
  --gold-bright: #f4c430;
  --gold-dark: #8b6914;
  --red-alert: #c8102e;
  --red-light: #e63946;
  --green-success: #2a9d8f;
  --green-bright: #06d6a0;
  --orange-warn: #f77f00;
  --black: #050a14;
  --white: #ffffff;
  --gray-500: #6c757d;
  --gray-700: #343a40;
  --font-display: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
  --shadow-xl: 0 12px 32px rgba(0,0,0,0.25);
  --shadow-gold: 0 0 20px rgba(212, 160, 23, 0.3);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--navy-deep);
  color: var(--silver-light);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image: 
    linear-gradient(rgba(212, 160, 23, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 160, 23, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: 0;
}

/* LAYOUT */
.app-container {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.sidebar {
  background: linear-gradient(180deg, var(--black) 0%, var(--navy-deep) 100%);
  border-right: 2px solid var(--gold-dark);
  padding: var(--space-lg);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  box-shadow: 4px 0 20px rgba(0,0,0,0.4);
}

.sidebar-header {
  text-align: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(212, 160, 23, 0.2);
  margin-bottom: var(--space-lg);
}

.badge-logo {
  width: 80px; height: 80px;
  margin: 0 auto var(--space-md);
  background: radial-gradient(circle, var(--gold) 0%, var(--gold-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--navy-deep);
  box-shadow: var(--shadow-gold), inset 0 0 20px rgba(0,0,0,0.3);
  border: 3px solid var(--navy-deep);
  position: relative;
}

.badge-logo::before {
  content: '';
  position: absolute;
  inset: -8px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  opacity: 0.5;
}

.sidebar-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.sidebar-subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--silver);
  letter-spacing: 1px;
  margin-top: var(--space-xs);
}

.nav-section { margin-bottom: var(--space-lg); }

.nav-section-title {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold-dark);
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 0 var(--space-md);
  margin-bottom: var(--space-sm);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  color: var(--silver);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  font-weight: 500;
  position: relative;
  margin-bottom: var(--space-xs);
}

.nav-item:hover {
  background: rgba(212, 160, 23, 0.1);
  color: var(--gold-bright);
  transform: translateX(4px);
}

.nav-item.active {
  background: linear-gradient(90deg, rgba(212, 160, 23, 0.2), transparent);
  color: var(--gold-bright);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
}

.nav-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
}

.main-content {
  padding: var(--space-xl);
  max-width: 100%;
  overflow-x: hidden;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(212, 160, 23, 0.2);
  gap: var(--space-md);
  flex-wrap: wrap;
}

.page-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 3px;
  line-height: 1;
}

.page-title-accent { color: var(--gold); }

.page-subtitle {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--silver);
  letter-spacing: 2px;
  margin-top: var(--space-xs);
  text-transform: uppercase;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-500);
  letter-spacing: 1px;
}

/* CARDS */
.card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border: 1px solid rgba(212, 160, 23, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(212, 160, 23, 0.4);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid rgba(212, 160, 23, 0.15);
  gap: var(--space-md);
  flex-wrap: wrap;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* STATS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.stat-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--steel) 100%);
  border: 1px solid rgba(212, 160, 23, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.stat-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--silver);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}

.stat-change {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-top: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.stat-change.positive { color: var(--green-bright); }
.stat-change.negative { color: var(--red-light); }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: var(--navy-deep);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-bright) 0%, var(--gold) 100%);
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold);
}

.btn-secondary:hover {
  background: rgba(212, 160, 23, 0.1);
  box-shadow: var(--shadow-gold);
}

.btn-danger {
  background: var(--red-alert);
  color: var(--white);
}

.btn-danger:hover { background: var(--red-light); }

.btn-success {
  background: var(--green-success);
  color: var(--white);
}

.btn-success:hover { background: var(--green-bright); }

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
}

/* FORMS */
.form-group { margin-bottom: var(--space-md); }

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-xs);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  background: var(--navy-deep);
  border: 1px solid var(--steel);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.2);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* TABLES */
.table-container {
  background: var(--navy);
  border: 1px solid rgba(212, 160, 23, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
}

.data-table thead {
  background: linear-gradient(180deg, var(--black) 0%, var(--navy-deep) 100%);
  border-bottom: 2px solid var(--gold-dark);
}

.data-table th {
  padding: var(--space-md);
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: left;
  font-weight: 600;
}

.data-table td {
  padding: var(--space-md);
  border-bottom: 1px solid rgba(212, 160, 23, 0.1);
  font-size: 0.9rem;
}

.data-table tbody tr {
  transition: background 0.2s ease;
}

.data-table tbody tr:hover {
  background: rgba(212, 160, 23, 0.05);
}

/* BADGES */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  border: 1px solid;
}

.badge-active {
  color: var(--green-bright);
  border-color: var(--green-success);
  background: rgba(42, 157, 143, 0.1);
}

.badge-pending {
  color: var(--orange-warn);
  border-color: var(--orange-warn);
  background: rgba(247, 127, 0, 0.1);
}

.badge-graduated {
  color: var(--gold-bright);
  border-color: var(--gold);
  background: rgba(212, 160, 23, 0.1);
}

.badge-failed {
  color: var(--red-light);
  border-color: var(--red-alert);
  background: rgba(200, 16, 46, 0.1);
}

/* PROGRESS */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--navy-deep);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold-bright));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ROOKIE CARDS */
.rookie-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.rookie-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border: 1px solid rgba(212, 160, 23, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
}

.rookie-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), var(--gold-dark));
}

.rookie-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold);
}

.rookie-header {
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  border-bottom: 1px solid rgba(212, 160, 23, 0.15);
}

.rookie-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy-deep);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-gold);
  flex-shrink: 0;
}

.rookie-info h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.rookie-id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--silver);
}

.rookie-body { padding: var(--space-lg); }

.rookie-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.rookie-stat {
  text-align: center;
  padding: var(--space-sm);
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-sm);
}

.rookie-stat-value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
}

.rookie-stat-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--silver);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* MODAL */
.modal-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal-overlay.active { display: flex; }

.modal {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  border: 1px solid var(--gold);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl), 0 0 60px rgba(212, 160, 23, 0.2);
  position: relative;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(212, 160, 23, 0.2);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--silver);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s ease;
}

.modal-close:hover { color: var(--red-light); }

/* ALERTS */
.alert {
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.alert-info {
  background: rgba(39, 73, 109, 0.3);
  border-color: var(--steel);
  color: var(--silver-light);
}

.alert-success {
  background: rgba(42, 157, 143, 0.15);
  border-color: var(--green-success);
}

.alert-warning {
  background: rgba(247, 127, 0, 0.15);
  border-color: var(--orange-warn);
}

.alert-danger {
  background: rgba(200, 16, 46, 0.15);
  border-color: var(--red-alert);
}

/* TABS */
.tabs {
  display: flex;
  gap: var(--space-xs);
  border-bottom: 2px solid var(--steel);
  margin-bottom: var(--space-lg);
  overflow-x: auto;
}

.tab {
  padding: var(--space-md) var(--space-lg);
  background: none;
  border: none;
  color: var(--silver);
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.tab:hover { color: var(--gold-bright); }

.tab.active { color: var(--gold); }

.tab.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 10px var(--gold);
}

.tab-content { display: none; }

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* COURSE CARDS */
.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.course-card {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  border: 1px solid rgba(212, 160, 23, 0.2);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
  position: relative;
  cursor: pointer;
}

.course-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--gold);
}

.course-image {
  height: 160px;
  background: linear-gradient(135deg, var(--steel) 0%, var(--navy) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--gold);
  border-bottom: 2px solid var(--gold-dark);
  position: relative;
  overflow: hidden;
}

.course-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(212, 160, 23, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 160, 23, 0.05) 1px, transparent 1px);
  background-size: 20px 20px;
}

.course-body { padding: var(--space-lg); }

.course-category {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-xs);
}

.course-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(212, 160, 23, 0.1);
  font-size: 0.8rem;
  color: var(--silver);
}

/* SCORES */
.score-display {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-md) 0;
}

.score-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

.score-value.excellent { color: var(--green-bright); }
.score-value.good { color: var(--gold-bright); }
.score-value.average { color: var(--orange-warn); }
.score-value.poor { color: var(--red-light); }

/* EMPTY */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--silver);
}

.empty-state-icon {
  font-size: 4rem;
  color: var(--gold-dark);
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--silver-light);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: var(--space-sm);
}

/* UTILS */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-gap-sm { gap: var(--space-sm); }
.flex-gap-md { gap: var(--space-md); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .app-container { grid-template-columns: 240px 1fr; }
}

@media (max-width: 768px) {
  .app-container { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    left: -280px;
    width: 280px;
    z-index: 100;
    transition: left 0.3s ease;
  }
  .sidebar.open { left: 0; }
  .mobile-toggle { display: block !important; }
  .page-title { font-size: 1.8rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .main-content { padding: var(--space-md); }
}

.mobile-toggle {
  display: none;
  position: fixed;
  top: var(--space-md);
  right: var(--space-md);
  z-index: 101;
  background: var(--gold);
  color: var(--navy-deep);
  border: none;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--navy-deep); }
::-webkit-scrollbar-thumb { background: var(--gold-dark); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

@media print {
  .sidebar, .btn, .mobile-toggle { display: none; }
  .main-content { padding: 0; }
}