/* =========================================================
   EklavyaX — TEACHER DASHBOARD
   Chalkboard & Academic Dark Green Glassmorphic Aesthetic
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Kalam:wght@400;700&family=Work+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --board: #162c22;
  --board-dark: #0f1d16;
  --board-surface: #1a3327;
  --chalk: #f5f0e2;
  --chalk-dim: #a9bdae;
  --marigold: #eeb43e;
  --marigold-dark: #d4982a;
  --terracotta: #d97a5c;
  --paper: #f3ead4;
  --paper-soft: #eae0c8;
  --paper-line: rgba(60, 45, 20, 0.08);
  --ink: #2a3b4d;
  --ink-soft: #5a6b78;
  --accent-green: #22c55e;
  --font-hand: 'Kalam', cursive;
  --font-body: 'Work Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background:
    radial-gradient(1200px 700px at 50% -10%, rgba(255, 255, 255, 0.04), transparent 60%),
    radial-gradient(900px 600px at 90% 100%, rgba(0, 0, 0, 0.35), transparent 60%),
    linear-gradient(135deg, #0d1e17 0%, #152b21 50%, #0c1c15 100%) !important;
  color: var(--chalk, #f5f0e2) !important;
  font-family: var(--font-body, 'Work Sans', sans-serif) !important;
  overflow-x: hidden;
}

/* Chalkboard subtle grid */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent 95%);
}

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

button {
  font-family: inherit;
}

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

/* =========================================================
   SIDEBAR (DARK GREEN CHALKBOARD)
   ========================================================= */

.sidebar,
aside.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  width: 240px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, #11221a 0%, #0d1a14 100%) !important;
  border-right: 1.5px dashed rgba(245, 240, 226, 0.15);
  box-shadow: 10px 0 35px rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

aside .logo,
.sidebar-header {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 26px 22px 20px;
}

.logo img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.3));
}

.logo-text {
  font-family: var(--font-hand, 'Kalam', cursive);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--marigold, #eeb43e) !important;
  letter-spacing: 0.5px;
}

.sidebar-nav,
nav.menu {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 12px;
}

.sidebar-nav a,
nav.menu a {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 11px 16px;
  margin: 0;
  border-radius: 12px;
  color: var(--chalk-dim, #a9bdae) !important;
  font-size: 0.92rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.sidebar-nav a i,
nav.menu a i {
  width: 20px;
  text-align: center;
  font-size: 1.05rem;
  opacity: 0.85;
}

.sidebar-nav a:hover,
nav.menu a:hover {
  background: rgba(245, 240, 226, 0.07);
  color: var(--chalk, #f5f0e2) !important;
  transform: translateX(4px);
}

.sidebar-nav a.active,
nav.menu a.active {
  background: linear-gradient(135deg, var(--paper, #f3ead4) 0%, var(--paper-soft, #eae0c8) 100%) !important;
  color: var(--ink, #2a3b4d) !important;
  font-weight: 700;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.sidebar-nav a.active i,
nav.menu a.active i {
  color: var(--terracotta, #d97a5c) !important;
  opacity: 1;
}

aside .profile {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 12px 20px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04) !important;
  border: 1px dashed rgba(245, 240, 226, 0.18) !important;
  border-radius: 14px;
  color: var(--chalk, #f5f0e2) !important;
  cursor: pointer;
  box-shadow: none;
  transition: all 0.2s ease;
}

aside .profile:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  transform: translateY(-2px);
}

aside .profile img {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--marigold, #eeb43e) !important;
  background: var(--paper, #f3ead4);
  object-fit: cover;
  flex-shrink: 0;
}

aside .profile .profile-info strong {
  display: block;
  font-family: var(--font-hand, 'Kalam', cursive);
  font-size: 1.05rem;
  color: var(--chalk, #f5f0e2) !important;
}

aside .profile .profile-info span {
  font-size: 0.78rem;
  color: var(--terracotta, #d97a5c) !important;
  font-weight: 600;
}

/* =========================================================
   MAIN CONTENT AREA
   ========================================================= */

main.content-area,
main.content,
.content-area {
  flex-grow: 1;
  min-width: 0;
  min-height: 100vh;
  margin-left: 240px;
  padding: 28px 32px 48px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}


/* =========================================================
   TOP BAR (DARK CHALKBOARD / FROSTED GREEN)
   ========================================================= */

.top-bar {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 24px 28px;
  background: linear-gradient(135deg, rgba(22, 44, 34, 0.90), rgba(15, 30, 23, 0.85)) !important;
  border: 1.5px solid rgba(245, 240, 226, 0.12) !important;
  border-radius: 20px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
}

.welcome-text {
  position: relative;
  z-index: 1;
  max-width: 65%;
}

.welcome-text h1 {
  font-family: var(--font-hand, 'Kalam', cursive);
  font-size: clamp(1.6rem, 2.5vw, 2.1rem);
  font-weight: 700;
  color: var(--chalk, #f5f0e2) !important;
  line-height: 1.2;
  margin: 0;
}

.welcome-text h1::before {
  display: none;
}

.welcome-text h2 {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--chalk-dim, #a9bdae) !important;
  margin-top: 4px;
  margin-left: 0;
}

/* Performance chart container */
.performance-chart-container {
  position: relative;
  flex: 0 0 240px;
  width: 240px;
  height: 130px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(145deg, #153828, #0e271c) !important;
  border: 1px solid rgba(238, 180, 62, 0.25) !important;
  border-radius: 16px;
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  transition: transform 0.3s ease;
}

.performance-chart-container:hover {
  transform: translateY(-3px);
}

.performance-chart-container strong {
  font-family: var(--font-hand, 'Kalam', cursive);
  font-size: 1.05rem;
  color: var(--marigold, #eeb43e) !important;
  font-weight: 700;
}

/* =========================================================
   STATS GRID
   ========================================================= */

.stats-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-box {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-height: 135px;
  padding: 18px 20px;
  background: linear-gradient(145deg, rgba(22, 44, 34, 0.85), rgba(16, 32, 25, 0.85)) !important;
  border: 1px solid rgba(245, 240, 226, 0.12) !important;
  border-radius: 16px;
  color: var(--chalk, #f5f0e2) !important;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  transition: all 0.25s ease;
}

.stat-box:hover {
  transform: translateY(-4px);
  border-color: var(--marigold, #eeb43e) !important;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.35);
}

.stat-box .icon-wrapper {
  width: 42px;
  height: 42px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  background: rgba(238, 180, 62, 0.15) !important;
  color: var(--marigold, #eeb43e) !important;
  font-size: 1.2rem;
  margin-bottom: 4px;
  box-shadow: none;
}

.stat-box .value {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--chalk, #f5f0e2) !important;
  line-height: 1.1;
}

.stat-box .label {
  font-size: 0.82rem;
  color: var(--chalk-dim, #a9bdae) !important;
  font-weight: 500;
}

/* =========================================================
   BOTTOM 3-COLUMN SECTION
   ========================================================= */

.bottom-section {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.box {
  position: relative;
  min-width: 0;
  padding: 22px;
  background: linear-gradient(145deg, rgba(22, 44, 34, 0.85), rgba(16, 32, 25, 0.85)) !important;
  border: 1px solid rgba(245, 240, 226, 0.12) !important;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
}

.box h3 {
  font-family: var(--font-hand, 'Kalam', cursive);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--marigold, #eeb43e) !important;
  margin: 0 0 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.box h3::before {
  display: none;
}

/* Recent Activity items */
.recent-activity .activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  padding: 10px 12px;
  background: rgba(10, 24, 18, 0.6) !important;
  border: 1px solid rgba(245, 240, 226, 0.08) !important;
  border-radius: 12px;
  color: var(--chalk, #f5f0e2) !important;
  transition: all 0.2s ease;
}

.recent-activity .activity-item:hover {
  transform: translateX(4px);
  background: rgba(10, 24, 18, 0.85) !important;
  border-color: rgba(238, 180, 62, 0.3) !important;
}

.recent-activity .activity-item .icon-wrapper {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 10px;
  background: rgba(238, 180, 62, 0.15) !important;
  color: var(--marigold, #eeb43e) !important;
  font-size: 1rem;
}

.recent-activity .activity-item .content .desc {
  color: var(--chalk, #f5f0e2) !important;
  font-size: 0.85rem;
  margin: 0 0 2px;
}

.recent-activity .activity-item .content .time {
  color: var(--chalk-dim, #a9bdae) !important;
  font-size: 0.72rem;
  margin: 0;
}

/* Upcoming tasks items */
.upcoming-tasks .task-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
  padding: 12px 14px;
  background: rgba(10, 24, 18, 0.6) !important;
  border: 1px solid rgba(245, 240, 226, 0.08) !important;
  border-radius: 12px;
  color: var(--chalk, #f5f0e2) !important;
  transition: all 0.2s ease;
}

.upcoming-tasks .task-item:hover {
  transform: translateX(4px);
  border-color: rgba(238, 180, 62, 0.3) !important;
}

.upcoming-tasks .task-header {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--chalk, #f5f0e2) !important;
  font-size: 0.88rem;
  font-weight: 650;
}

.upcoming-tasks .task-header .icon-wrapper {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
  background: rgba(238, 180, 62, 0.15) !important;
  color: var(--marigold, #eeb43e) !important;
  font-size: 0.95rem;
}

.upcoming-tasks .task-date-time {
  color: var(--chalk-dim, #a9bdae) !important;
  font-size: 0.74rem;
  padding-left: 42px;
}

.status-pill {
  margin-left: auto;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
}

.due-soon { background: rgba(217, 122, 92, 0.25); color: #f5b09b; border: 1px solid rgba(217, 122, 92, 0.4); }
.scheduled { background: rgba(34, 197, 94, 0.25); color: #86efac; border: 1px solid rgba(34, 197, 94, 0.4); }
.upcoming { background: rgba(168, 85, 247, 0.25); color: #d8b4fe; border: 1px solid rgba(168, 85, 247, 0.4); }
.review { background: rgba(59, 130, 246, 0.25); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.4); }

/* Leaderboard items */
.leaderboard .leaderboard-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 10px 12px;
  background: rgba(10, 24, 18, 0.6) !important;
  border: 1px solid rgba(245, 240, 226, 0.08) !important;
  border-radius: 12px;
  color: var(--chalk, #f5f0e2) !important;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}

.leaderboard .leaderboard-item:hover {
  transform: translateX(4px);
  border-color: rgba(238, 180, 62, 0.3) !important;
}

.leaderboard .leaderboard-item:first-child {
  background: linear-gradient(135deg, rgba(238, 180, 62, 0.18), rgba(217, 122, 92, 0.10)) !important;
  border-color: rgba(238, 180, 62, 0.3) !important;
}

.leaderboard .leaderboard-item .icon-wrapper {
  width: 30px;
  height: 30px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255, 255, 255, 0.08) !important;
  border-radius: 50%;
  color: var(--marigold, #eeb43e) !important;
  font-size: 0.9rem;
}

.leaderboard .leaderboard-item .points {
  color: var(--marigold, #eeb43e) !important;
  font-weight: 800;
}

.leaderboard .leaderboard-item .star {
  color: var(--marigold, #eeb43e);
  margin-left: 2px;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1100px) {
  .stats-container {
    grid-template-columns: repeat(2, 1fr);
  }
  .bottom-section {
    grid-template-columns: 1fr;
  }
}

@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;
  }

  /* Compact top sidebar for phones with horizontal scroll */
  .sidebar, 
  aside.sidebar {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    margin: 0 !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,
  .sidebar-header {
    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;
  }

  .logo-text {
    font-size: 1.35rem !important;
  }

  /* Horizontal scrolling navigation on phones */
  .sidebar-nav,
  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;
  }

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

  .sidebar-nav a,
  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;
  }

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

  aside .profile {
    display: none !important;
  }

  /* Main content area for phone */
  main.content-area,
  .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;
  }

  .top-bar {
    flex-direction: column !important;
    align-items: stretch !important;
    padding: 18px 16px !important;
    gap: 14px !important;
  }

  .welcome-text {
    max-width: 100% !important;
  }

  .welcome-text h1 {
    font-size: 1.25rem !important;
  }

  .welcome-text h2 {
    font-size: 0.95rem !important;
  }

  .performance-chart-container {
    width: 100% !important;
    max-width: 100% !important;
    flex: none !important;
  }

  .stats-container {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 10px !important;
  }

  .stat-box {
    padding: 14px 12px !important;
  }

  .stat-box .value {
    font-size: 1.45rem !important;
  }

  .stat-box .label {
    font-size: 0.74rem !important;
  }

  .bottom-section {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .box {
    padding: 16px 14px !important;
  }
}

@media (max-width: 480px) {
  .stats-container {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .stat-box {
    padding: 12px 10px !important;
  }

  main.content-area,
  main.content,
  .content-area {
    padding: 12px 10px 35px !important;
  }
}