/* ========================================
   DEMONLIST - PRODUCTION CSS
   Premium Dark Mode Pointercrate Aesthetic
   ======================================== */

:root {
  --bg-primary: #121212;
  --bg-secondary: #1e1e1e;
  --bg-tertiary: #2a2a2a;
  --accent-primary: #3498db;
  --accent-secondary: #2980b9;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --border-color: #333333;
  --success: #27ae60;
  --warning: #f39c12;
  --error: #e74c3c;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: 'Roboto', 'Poppins', system-ui, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, #0a0a0a 100%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========== NAVBAR ========== */
.navbar {
  background: rgba(12, 12, 12, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
  box-shadow: var(--shadow);
}

.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.navbar-brand h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 2px;
  margin: 0;
}

.version {
  font-size: 0.75rem;
  color: var(--text-secondary);
  background: rgba(52, 152, 219, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  border: 1px solid var(--accent-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  flex: 1;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  position: relative;
  font-size: 0.95rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-primary);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-left: auto;
}

.auth-display {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  background: rgba(52, 152, 219, 0.05);
  border-radius: 0.5rem;
  border: 1px solid rgba(52, 152, 219, 0.1);
}

/* ========== BUTTONS ========== */
.btn-auth,
.btn-submit {
  padding: 0.7rem 1.5rem;
  border: 2px solid var(--accent-primary);
  background: transparent;
  color: var(--accent-primary);
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}

.btn-auth:hover {
  background: rgba(52, 152, 219, 0.1);
  transform: translateY(-2px);
}

.btn-submit {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: white;
  border: none;
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(52, 152, 219, 0.3);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
  color: white;
  border: none;
  padding: 0.9rem 2rem;
  border-radius: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(52, 152, 219, 0.4);
}

.btn-primary:active {
  transform: translateY(-1px);
}

/* ========== MAIN CONTAINER ========== */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem 2rem;
  min-height: calc(100vh - 80px);
}

.view {
  display: none;
  animation: fadeIn 0.4s ease-in-out;
}

.view.active {
  display: block;
}

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

.view-header {
  margin-bottom: 2rem;
}

.view-header h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #00d4ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.view-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

/* ========== SEARCH & FILTERS ========== */
.search-filter {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

#search-input,
.filter-select {
  padding: 0.9rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition);
}

#search-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* ========== LEADERBOARD ========== */
.leaderboard-container {
  display: grid;
  gap: 1rem;
}

.leaderboard-row {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1.5rem;
  display: grid;
  grid-template-columns: 50px 1fr 150px 150px 100px;
  align-items: center;
  gap: 1.5rem;
  transition: var(--transition);
}

.leaderboard-row:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  transform: translateX(4px);
}

.leaderboard-rank {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-primary);
  text-align: center;
}

.leaderboard-player {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.player-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.player-info h3 {
  margin: 0;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.player-info p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.player-clan {
  color: var(--accent-primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.leaderboard-record {
  text-align: center;
}

.leaderboard-record strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.leaderboard-record span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ========== CLANS GRID ========== */
.clans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

.clan-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
  transition: var(--transition);
}

.clan-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(52, 152, 219, 0.15);
}

.clan-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.clan-icon {
  width: 50px;
  height: 50px;
  border-radius: 0.5rem;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 1.5rem;
}

.clan-name {
  font-family: 'Poppins', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
}

.clan-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 1rem 0;
}

/* ========== PROFILE ========== */
.profile-container {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 2rem;
}

.auth-prompt {
  text-align: center;
  padding: 3rem 2rem;
}

.auth-prompt p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
}

/* ========== MODALS ========== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.modal.hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

.modal-content {
  background: var(--bg-secondary);
  border-radius: 0.75rem;
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 2rem;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--text-primary);
  transform: rotate(90deg);
}

.modal-tabs {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 1rem 0;
  cursor: pointer;
  font-weight: 600;
  position: relative;
  transition: var(--transition);
}

.tab-btn.active {
  color: var(--accent-primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-primary);
}

.modal-form {
  display: none;
}

.modal-form.active-tab {
  display: block;
}

/* ========== FORMS ========== */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.9rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-message {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: none;
}

.form-message.show {
  display: block;
}

.form-message.error {
  color: var(--error);
}

.form-message.success {
  color: var(--success);
}

/* ========== LOADING STATE ========== */
.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.loading::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent-primary);
  border-top: 2px solid transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-left: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========== ERROR STATE ========== */
.error-container {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
}

.error-container h2 {
  color: var(--error);
  margin-bottom: 1rem;
}

.error-container p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .navbar-container {
    gap: 1.5rem;
    padding: 0 1rem;
  }

  .navbar-brand h1 {
    font-size: 1.4rem;
  }

  .nav-menu {
    gap: 1rem;
  }

  .search-filter {
    grid-template-columns: 1fr;
  }

  .leaderboard-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .leaderboard-rank {
    display: none;
  }
}

@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    gap: 1rem;
  }

  .nav-menu {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .navbar-actions {
    width: 100%;
    justify-content: space-between;
  }

  .auth-display {
    display: none;
  }

  .main-container {
    padding: 1.5rem 1rem;
  }

  .view-header h2 {
    font-size: 1.5rem;
  }

  .clans-grid {
    grid-template-columns: 1fr;
  }

  .modal-content {
    max-width: 100%;
  }

  .search-filter {
    grid-template-columns: 1fr;
  }

  .leaderboard-row {
    grid-template-columns: 1fr;
  }
}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* ========== UTILITIES ========== */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.text-muted {
  color: var(--text-secondary);
}

.text-accent {
  color: var(--accent-primary);
}

.topbar{
height:60px;
display:flex;
align-items:center;
padding:0 18px;
background:rgba(5,8,16,0.98);
backdrop-filter:blur(12px);
border-bottom:1px solid rgba(255,255,255,0.06);
position:sticky;top:0;z-index:100;
}
.brand{font-family:Orbitron, sans-serif;font-weight:700;color:var(--white);font-size:1rem;letter-spacing:0.6px;}
.topnav{display:flex;align-items:center;margin-left:24px;gap:10px;width:100%;flex-wrap:wrap;}
.nav-btn{background:transparent;border:1px solid rgba(255,255,255,0.08);color:var(--muted);padding:8px 12px;border-radius:8px;cursor:pointer;transition:all .2s ease;white-space:nowrap;}
.nav-btn:hover{border-color:rgba(79,184,255,0.24);color:var(--white);}
.nav-btn.active{color:var(--white);border-color:var(--accent);box-shadow:0 0 18px rgba(79,184,255,0.12);}
.spacer{flex:1;min-width:0;}
.auth-status{font-size:0.92rem;color:var(--muted);padding:6px 10px;border-radius:8px;background:rgba(255,255,255,0.04);}

.app-grid{
display:grid;
grid-template-columns:38% 62%;
height:calc(100vh - 60px);
}

.sidebar{
background:var(--card);
padding:18px;
border-right:1px solid var(--border);
overflow:hidden;
display:flex;
flex-direction:column;
}
.sidebar-controls{display:flex;flex-direction:column;gap:12px;margin-bottom:14px;}
#search-input{width:100%;padding:12px;border-radius:10px;border:1px solid var(--border);background:#0f141d;color:var(--white);}
.tabs{display:flex;flex-wrap:wrap;gap:8px;}
.filter{background:transparent;border:1px solid transparent;padding:8px 12px;border-radius:10px;color:var(--muted);cursor:pointer;transition:all .2s ease;}
.filter:hover{background:rgba(79,184,255,0.08);border-color:rgba(255,255,255,0.08);}
.filter.active{color:var(--white);background:rgba(79,184,255,0.12);border-color:var(--accent);}

.list-container{flex:1;overflow-y:auto;padding-right:6px;}
.list-empty{padding:18px;color:var(--muted);text-align:center;font-size:14px;line-height:1.6;background:#11171f;border:1px solid var(--border);border-radius:10px;margin-top:12px;}
.list-container::-webkit-scrollbar{width:8px}
.list-container::-webkit-scrollbar-thumb{background:rgba(79,184,255,0.18);border-radius:8px}

.demon-card{display:flex;gap:14px;padding:16px;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.04);border-radius:12px;margin-bottom:12px;cursor:pointer;transition:transform .16s ease, border-color .16s ease, box-shadow .16s ease;}
.demon-card:hover{transform:translateY(-2px);border-color:var(--accent);box-shadow:0 12px 34px rgba(79,184,255,0.08);}
.demon-card.active{border-color:var(--accent);box-shadow:0 18px 40px rgba(79,184,255,0.12);}
.demon-thumb{width:72px;height:56px;background:linear-gradient(135deg, var(--accent), #8655ff);border-radius:12px;flex-shrink:0;}
.demon-info{flex:1;min-width:0;display:flex;flex-direction:column;}
.demon-title{font-weight:700;color:var(--white);font-family:Orbitron, sans-serif;}
.demon-sub{color:var(--muted);font-size:13px;margin-top:6px;line-height:1.5;}
.demon-meta{font-size:13px;color:var(--muted);margin-top:10px;}
.demon-rank{font-weight:700;color:var(--accent);align-self:flex-start;}

.content{background:transparent;padding:22px;overflow:hidden;position:relative;}
.content-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px;display:flex;flex-direction:column;min-height:0;}
.content-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;}
.subtitle{font-size:0.85rem;text-transform:uppercase;color:var(--muted);letter-spacing:0.08em;margin-bottom:8px;}
.rank-badge{font-family:Orbitron, sans-serif;color:var(--accent);font-size:1.1rem;}
.details-body{display:grid;grid-template-columns:1.4fr 1fr;gap:20px;align-items:start;}
.video-wrap{width:100%;}
.video-frame{background:#0b1118;border-radius:18px;overflow:hidden;position:relative;padding-top:56.25%;}
.video-frame iframe{position:absolute;top:0;left:0;width:100%;height:100%;}
.level-meta{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.05);border-radius:16px;padding:20px;}
.meta-list{list-style:none;padding:0;margin:18px 0 0 0;color:var(--muted);}
.meta-list li{margin-bottom:12px;line-height:1.6;}

.tab-buttons{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}
.tab-btn{background:transparent;border:1px solid rgba(255,255,255,0.06);padding:10px 16px;border-radius:12px;color:var(--muted);cursor:pointer;transition:all .18s ease;}
.tab-btn.active{color:var(--white);border-color:var(--accent);background:rgba(79,184,255,0.12);}

.records-list{list-style:none;padding:0;margin:14px 0 0 0;}
.records-list li{padding:16px;border-radius:14px;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.05);margin-bottom:12px;}
.record-notes{margin-top:10px;color:var(--white);font-size:14px;line-height:1.6;background:rgba(255,255,255,0.04);padding:12px;border-radius:12px;}

.btn{background:transparent;border:1px solid rgba(255,255,255,0.08);padding:10px 16px;border-radius:12px;color:var(--white);cursor:pointer;transition:all .16s ease;}
.btn:hover{border-color:var(--accent);}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-strong));border:0;color:#0b1220;}

.empty-state-card{display:flex;align-items:center;justify-content:center;text-align:center;min-height:280px;}
.empty-state-copy{max-width:360px;color:var(--muted);}
.empty-state-copy h2{color:var(--white);margin-bottom:12px;font-size:1.5rem;}

.leaderboard-list{list-style:none;padding:0;margin-top:18px;}
.leaderboard-item{display:flex;align-items:center;gap:10px;padding:16px;border-radius:14px;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.05);margin-bottom:12px;font-size:0.96rem;}
.leaderboard-item strong{color:var(--white);}
.flag{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,0.06);font-size:0.95rem;}
.clan-tag{color:var(--accent);font-weight:700;margin-right:6px;}

.submit-page{max-width:1100px;margin:20px auto;}
.submit-grid{display:grid;grid-template-columns:1.5fr 0.9fr;gap:24px;}
.submit-main{display:flex;flex-direction:column;gap:20px;}
.submit-header h2{margin:0 0 8px;}
.submit-intro{margin:0;color:var(--muted);line-height:1.6;font-size:0.95rem;}
.auth-message{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:14px;padding:18px;color:var(--white);}
.submit-form{display:grid;gap:18px;}
.form-row{display:flex;flex-direction:column;gap:8px;}
.form-row label{font-weight:600;color:var(--white);}
.field-description{margin:0;color:var(--muted);font-size:13px;line-height:1.6;}
.form-row input[type="text"],
.form-row input[type="url"],
.form-row input[type="number"],
.form-row textarea,
.form-row input[list]{width:100%;padding:14px;border-radius:14px;border:1px solid var(--border);background:#0f151f;color:var(--white);}
.form-row textarea{resize:vertical;min-height:130px;}
.submit-locked-user{display:flex;align-items:center;justify-content:space-between;padding:16px;border-radius:14px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);}
.submit-locked-user span{color:var(--muted);}
.submit-locked-user strong{color:var(--white);}
.form-actions{display:flex;justify-content:flex-end;}
.submit-sidebar{display:grid;gap:16px;}
.info-box{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:16px;padding:20px;}
.info-box h3{margin-top:0;margin-bottom:8px;}
.info-box p{margin:0;color:var(--muted);line-height:1.7;}

.footer-link{padding:16px 22px 0 22px;text-align:center;color:var(--muted);font-size:0.95rem;}
.footer-link a{color:var(--accent);text-decoration:none;}
.footer-link a:hover{text-decoration:underline;}

.hidden{display:none !important;}

@media (max-width:900px){
.app-grid{grid-template-columns:1fr;grid-auto-rows:auto;}
.sidebar{border-right:none;border-bottom:1px solid var(--border);}
.submit-grid{grid-template-columns:1fr;}
}

@media (max-width:768px){
.topbar{padding:0 14px;}
.topnav{margin-left:10px;gap:6px;}
.nav-btn{padding:8px 10px;font-size:0.92rem;}
.auth-status{display:none;}
.app-grid{height:auto;}
.sidebar{padding:14px;}
.tabs{overflow-x:auto;white-space:nowrap;gap:8px;}
.filter{flex:0 0 auto;}
.list-container{height:calc(100vh - 220px);}
.content{display:none;position:fixed;inset:0;z-index:80;padding:18px;background:rgba(8,12,18,0.96);}
.content.mobile-open{display:block;}
.content-card{height:100%;max-height:none;border-radius:18px;}
.content-header{flex-direction:column;align-items:flex-start;gap:14px;}
#mobile-back{display:inline-flex;}
.details-body{grid-template-columns:1fr;}
.video-frame{padding-top:56.25%;}
.level-meta{width:100%;}
.tab-buttons{flex-wrap:wrap;}
.submit-page{margin:18px 12px 28px;}
.submit-grid{grid-template-columns:1fr;}
}