/* =========================================================
   EklavyaX — TEACHER MY CLASS
   Modern Dark Green Glassmorphic UI
   ========================================================= */

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

body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 80% 5%, rgba(52, 105, 76, 0.18), transparent 34%),
    linear-gradient(135deg, #091f17 0%, #0d2b20 48%, #081e16 100%);
  color: var(--text, #eef0df);
  font-family: var(--font-ui, system-ui, sans-serif);
  font-weight: 600;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  position: relative;
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar,
aside.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  width: 235px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #14503a 0%, #0f3d2c 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 12px 0 40px rgba(0, 0, 0, 0.18);
  overflow: hidden;
}

aside .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 28px 22px 24px 25px;
}

.logo img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.logo-text {
  color: #fff8e8;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.sidebar-nav,
nav.menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 10px;
}

.sidebar-nav a,
nav.menu a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  margin: 2px 0 2px 16px;
  border-radius: 14px 0 0 14px;
  color: rgba(238, 240, 255, 0.82);
  font-size: 14px;
  font-weight: 650;
  transition: all 0.25s ease;
}

.sidebar-nav a i,
nav.menu a i {
  width: 21px;
  text-align: center;
  font-size: 16px;
}

.sidebar-nav a:hover,
nav.menu a:hover {
  background: rgba(255, 255, 255, 0.10);
  color: #ffffff;
  transform: translateX(3px);
}

.sidebar-nav a.active,
nav.menu a.active {
  background: linear-gradient(90deg, #0d2b20, #12392a);
  color: #f7efdc;
  box-shadow: inset 3px 0 0 var(--accent-gold, #f4ae25), 0 8px 25px rgba(0, 0, 0, 0.14);
}

.sidebar-nav a.active i,
nav.menu a.active i {
  color: var(--accent-gold, #f4ae25);
}

aside .profile {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 20px 14px 18px;
  padding: 12px;
  background: rgba(8, 28, 20, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 16px;
  color: #f5efdc;
  cursor: pointer;
  transition: transform 0.3s ease;
}

aside .profile:hover {
  transform: translateY(-3px);
}

aside .profile img {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  border: 2px solid rgba(245, 174, 37, 0.65);
  object-fit: cover;
}

aside .profile .profile-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

aside .profile .profile-info strong {
  color: #f7efdc;
  font-size: 0.94rem;
  font-weight: 750;
}

aside .profile .profile-info span {
  font-size: 0.78rem;
  color: #a0b8a6;
}

/* Main Content */
main.content-area {
  flex-grow: 1;
  min-width: 0;
  min-height: 100vh;
  margin-left: 235px;
  padding: 30px 30px 45px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.header h1 {
  font-size: 1.85rem;
  font-weight: 900;
  color: #f5efdc;
  margin-bottom: 4px;
}

.header p {
  color: #a0b8a6;
  font-size: 0.92rem;
  font-weight: 500;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}

.stat-card {
  background: linear-gradient(145deg, rgba(20, 56, 42, 0.65), rgba(15, 45, 33, 0.50));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  color: #f5efdc;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 38px rgba(0, 0, 0, 0.28);
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #1a6b4a, #14503a);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  box-shadow: 0 8px 16px rgba(20, 80, 58, 0.30);
}

.stat-card h2 {
  font-size: 1.6rem;
  font-weight: 900;
  color: #ffffff;
  line-height: 1;
}

.stat-card p {
  color: #a0b8a6;
  font-size: 0.82rem;
  font-weight: 550;
}

/* Doubts Section */
.doubts {
  background: linear-gradient(145deg, rgba(20, 56, 42, 0.60), rgba(15, 45, 33, 0.45));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 22px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.doubts h3 {
  font-size: 1.1rem;
  font-weight: 900;
  color: #f5efdc;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.doubts h3::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  border-radius: 999px;
  background: #2ecc71;
}

.doubt-card {
  background: rgba(46, 204, 113, 0.06);
  border: 1px solid rgba(46, 204, 113, 0.10);
  border-radius: 14px;
  padding: 14px 18px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.doubt-card .question {
  color: #f5efdc;
  font-size: 0.95rem;
  font-weight: 650;
}

.doubt-card .actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.btn {
  border: none;
  padding: 7px 16px;
  border-radius: 20px;
  font-weight: 700;
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn.blue {
  background: linear-gradient(135deg, #1a6b4a, #14503a);
  color: #ffffff;
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.btn.blue:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
}

.students {
  font-size: 0.8rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}

.red-text { background: rgba(231, 76, 60, 0.2); color: #f79a9a; }
.yellow-text { background: rgba(244, 174, 37, 0.2); color: #ffd166; }
.blue-text { background: rgba(52, 152, 219, 0.2); color: #8ac6f9; }

/* Student List Section */
.student-list {
  background: linear-gradient(145deg, rgba(20, 56, 42, 0.60), rgba(15, 45, 33, 0.45));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  padding: 22px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.list-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.list-header h3 {
  font-size: 1.1rem;
  font-weight: 900;
  color: #f5efdc;
  display: flex;
  align-items: center;
  gap: 8px;
}

.list-header h3::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  border-radius: 999px;
  background: #2ecc71;
}

.list-controls {
  display: flex;
  gap: 10px;
}

.list-controls button {
  background: rgba(46, 204, 113, 0.12);
  border: 1px solid rgba(46, 204, 113, 0.25);
  color: #f5efdc;
  padding: 7px 14px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.list-controls button:hover {
  background: rgba(46, 204, 113, 0.25);
}

.student-table {
  width: 100%;
  border-collapse: collapse;
  color: #e0ebe2;
  font-size: 0.9rem;
}

.student-table th {
  text-align: left;
  padding: 12px 14px;
  color: #a0b8a6;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.student-table td {
  padding: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.student-table tr:hover td {
  background: rgba(46, 204, 113, 0.04);
}

.avatar-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar-cell img {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(244, 174, 37, 0.5);
}

@media (max-width: 768px) {
  html,
  body {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  .container {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .sidebar, 
  aside.sidebar {
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    height: auto !important;
    min-height: 0 !important;
    position: relative !important;
    display: block !important;
    overflow: visible !important;
    border-right: none !important;
    border-bottom: 1.5px dashed rgba(245, 240, 226, 0.15) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.25) !important;
  }

  aside .logo {
    width: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 10px !important;
    padding: 14px 16px 10px !important;
  }

  .logo img {
    width: 32px !important;
    height: 32px !important;
  }

  nav.menu {
    width: 100% !important;
    display: flex !important;
    flex-direction: row !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    gap: 8px !important;
    padding: 4px 12px 12px !important;
    flex: none !important;
    scrollbar-width: none !important;
    -webkit-overflow-scrolling: touch;
  }

  nav.menu::-webkit-scrollbar {
    display: none !important;
  }

  nav.menu a {
    width: auto !important;
    min-width: max-content !important;
    padding: 8px 14px !important;
    gap: 7px !important;
    font-size: 0.76rem !important;
    border-radius: 10px !important;
    flex-shrink: 0 !important;
    white-space: nowrap !important;
    transform: none !important;
  }

  nav.menu a i {
    width: auto !important;
    min-width: auto !important;
    font-size: 0.85rem !important;
  }

  aside .profile {
    display: none !important;
  }

  main.content-area {
    margin-left: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    padding: 16px 14px 40px !important;
    gap: 16px !important;
    overflow-x: hidden !important;
  }

  .header-actions {
    flex-direction: column !important;
    align-items: stretch !important;
  }

  .student-table-container {
    overflow-x: auto !important;
  }
}