/* ===== THEME VARIABLES ===== */
:root{
  --bg:#f8fafc; --bg2:#ffffff; --text:#0f172a; --muted:#475569;
  --card:#ffffff; --ring:0 10px 28px rgba(2,8,23,.06); --border:rgba(15,23,42,.08);
  --badge-bg:#eef2ff; --badge-fg:#3730a3;
  --chart-grid:rgba(15,23,42,.12); --chart-bg:transparent;
  --gradient-1: linear-gradient(135deg, #094318, #1a6b3a);
  --gradient-2: linear-gradient(135deg, #1e6941, #2d8a55);
  --gradient-3: linear-gradient(135deg, #134f29, #267a3f);
  --gradient-4: linear-gradient(135deg, #2d7758, #3da070);
  --gradient-5: linear-gradient(135deg, #0a3d1e, #1a6b3a);
  --card-radius: 20px;
  --card-shadow: 0 8px 32px rgba(0,0,0,0.12);
  --card-shadow-hover: 0 16px 48px rgba(0,0,0,0.20);
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
}
html[data-theme="dark"]{
  --bg:#0b1220; --bg2:#0f1a2e; --text:#e6eef7; --muted:#9aa5b1;
  --card:rgba(255,255,255,.06); --ring:0 10px 28px rgba(0,0,0,.38); --border:rgba(255,255,255,.34);
  --badge-bg:rgba(255,255,255,.10); --badge-fg:#dbeafe;
  --chart-grid:rgba(255,255,255,.14); --chart-bg:transparent;
  --card-shadow: 0 8px 32px rgba(0,0,0,0.4);
  --card-shadow-hover: 0 16px 48px rgba(0,0,0,0.6);
}
body{background:linear-gradient(160deg,var(--bg),var(--bg2)); color:var(--text); font-family: 'Segoe UI', system-ui, sans-serif;}

/* ===== MODERN COURSE CARDS ===== */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 10px 0;
  margin: 0;
}

.course-card {
  position: relative;
  border-radius: var(--card-radius);
  padding: 0;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-decoration: none;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 220px;
}

.course-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(59, 130, 246, 0.3);
}

.course-card .card-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.92;
  z-index: 0;
  transition: opacity 0.4s ease;
}

.course-card:hover .card-bg {
  opacity: 1;
}

.course-card .card-content {
  position: relative;
  z-index: 1;
  padding: 24px 20px 20px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  color: #ffffff;
  min-height: 200px;
}

.course-card .card-icon {
  font-size: 48px;
  margin-bottom: 12px;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
  transition: transform 0.4s ease;
}

.course-card:hover .card-icon {
  transform: scale(1.1) rotate(-5deg);
}

.course-card .card-title {
  font-size: clamp(16px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
  margin: 0;
}

.course-card .card-subtitle {
  font-size: clamp(12px, 1.2vw, 20px);
  opacity: 0.9;
  font-weight: 400;
  margin-top: 4px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.15);
}

.course-card .card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.15);
  z-index: 2;
}

.course-card .card-arrow {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  transition: all 0.4s ease;
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.15);
}

.course-card:hover .card-arrow {
  background: rgba(255,255,255,0.35);
  transform: translateX(4px);
}

/* Card color variants */
.course-card.gradient-1 .card-bg {background: linear-gradient(
  to bottom,
  #15418A,
  #0A6AD8,
  #2FC4FF
);}
.course-card.gradient-2 .card-bg { background: linear-gradient(
  to bottom,
  #15418A,
  #0A6AD8,
  #2FC4FF
); }
.course-card.gradient-3 .card-bg {background: linear-gradient(
  180deg,
  #163D84 0%,
  #0E63C9 60%,
  #22B7F5 100%
); }
.course-card.gradient-4 .card-bg {background: linear-gradient(
  to bottom,
  #15418A,
  #0A6AD8,
  #2FC4FF
); }
.course-card.gradient-5 .card-bg {background: linear-gradient(
  180deg,
  #163D84 0%,
  #0E63C9 60%,
  #22B7F5 100%
);}
.course-card.gradient-6 .card-bg { background: linear-gradient(
  to bottom,
  #15418A,
  #0A6AD8,
  #2FC4FF
);}
.course-card.gradient-7 .card-bg { background: linear-gradient(
  180deg,
  #163D84 0%,
  #0E63C9 60%,
  #22B7F5 100%
);}
.course-card.gradient-8 .card-bg { background: linear-gradient(
  to bottom,
  #15418A,
  #0A6AD8,
  #2FC4FF
); }
.course-card.gradient-9 .card-bg {background: linear-gradient(
  180deg,
  #163D84 0%,
  #0E63C9 60%,
  #22B7F5 100%
); }
.course-card.gradient-10 .card-bg { background: linear-gradient(
  to bottom,
  #15418A,
  #0A6AD8,
  #2FC4FF
); }
.course-card.gradient-11 .card-bg {background: linear-gradient(
  180deg,
  #163D84 0%,
  #0E63C9 60%,
  #22B7F5 100%
); }
/* ===== MODERN STATS CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin: 16px 0;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--ring);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
}

.stat-card .stat-icon {
  font-size: 28px;
  color: var(--primary);
  opacity: 0.2;
  position: absolute;
  right: 16px;
  bottom: 16px;
}

.stat-card .stat-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  margin: 6px 0 2px;
  color: var(--text);
}

.stat-card .stat-change {
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: 20px;
  background: var(--badge-bg);
  color: var(--badge-fg);
}

.stat-card .stat-change.up { color: var(--success); background: rgba(34, 197, 94, 0.1); }
.stat-card .stat-change.down { color: var(--danger); background: rgba(239, 68, 68, 0.1); }

/* ===== ORIGINAL STYLES ===== */
.myblink1{color:blue;font-weight:bold;text-shadow:.5px .5px #f00;animation:animate 1.5s linear infinite}
.myblink{color:indigo;font-weight:bold;text-shadow:.5px .5px #f00;animation:animate 1.5s linear infinite}
@keyframes animate{0%{opacity:.3}30%{opacity:.5;color:darkgreen}50%{opacity:.8;color:darkred}100%{opacity:1;color:indigo}}

.card-t{background:var(--card); border:1px solid var(--border); border-radius:16px; box-shadow:var(--ring); padding:16px;}
.kpi-t{display:inline-block; min-width:240px; padding:16px 20px; margin:6px; border-radius:16px; background:var(--card); box-shadow:var(--ring); border:1px solid var(--border);}
.kpi-t h3{margin:0 0 6px 0; font-weight:700; font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.3px;}
.kpi-t .v{font-size:28px; font-weight:800}
.kpi-t .delta{font-size:12px; margin-left:8px; padding:2px 8px; border-radius:999px; background:var(--badge-bg); color:var(--badge-fg);}
.badge-t{display:inline-block; padding:3px 10px; border-radius:999px; background:var(--badge-bg); color:var(--badge-fg); font-size:12px; margin-left:6px;}
.chartBox-t{height:300px; width:100%; position:relative;}
.chartBox-t.funnel{height:360px;}
.placeholder-t{display:flex;align-items:center;justify-content:center;height:100%;color:var(--muted);font-size:14px;border:1px dashed var(--border);border-radius:12px}

/* theme toggle */
.theme-toggle{
  position:fixed; right:18px; bottom:18px; z-index:9999;
  border:1px solid var(--border); background:var(--card); color:inherit;
  border-radius:999px; padding:10px 14px; box-shadow:var(--ring);
  display:flex; align-items:center; gap:8px; cursor:pointer;
}
.theme-toggle:hover{ transform: translateY(-2px); }
.theme-toggle .icon{ font-size:18px; line-height:1; }

/* Hover tooltip for KPI tiles */
.kpi-t { position: relative; }
.kpi-tip {
  position: absolute; left: 0; top: 100%; margin-top: 8px;
  display: none; z-index: 9999;
  background: rgba(17, 24, 39, 0.96); color: #fff;
  border-radius: 10px; padding: 10px 12px; min-width: 240px; max-width: 320px;
  box-shadow: 0 10px 28px rgba(2,8,23,.35); border: 1px solid rgba(255,255,255,.12);
  max-height: 260px; overflow: auto;
}
.kpi-t:hover .kpi-tip { display: block; }
.kpi-tip h4 { margin: 0 0 6px; font-size: 12px; opacity: .8; font-weight: 700; }
.kpi-tip ul { margin: 0; padding-left: 16px; font-size: 12px; line-height: 1.35; }
.kpi-tip li { margin: 0 0 2px; white-space: normal; }

/* ===== Collaborations ===== */
.collab-card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:var(--ring);padding:16px;}
.collab-wrap{position:relative;overflow:hidden;width:100%}
.collab-gradient-left,.collab-gradient-right{
  position:absolute;top:0;bottom:0;width:48px;z-index:2;pointer-events:none
}
.collab-gradient-left{left:0;background:linear-gradient(90deg, var(--bg2) 0%, rgba(255,255,255,0) 100%)}
.collab-gradient-right{right:0;background:linear-gradient(270deg, var(--bg2) 0%, rgba(255,255,255,0) 100%)}

.collab-track{
  display:flex;gap:28px;align-items:center;
  padding:14px 10px; will-change:transform;
  animation:collab-scroll 20s linear infinite;
}
.collab-track:hover{animation-play-state:paused}
.collab-item{
  flex:0 0 auto; display:flex; flex-direction:column; align-items:center; justify-content:center;
  height:170px; min-width:200px; padding:8px 16px;
  border-radius:12px; background:var(--card); border:1px solid var(--border);
  box-shadow:var(--ring); text-decoration:none; color:var(--text);
}
.collab-item img{max-height:120px; width:180px; object-fit:contain; display:block}
.collab-item .collab-name{margin-top:6px; font-size:12px; font-weight:600; text-align:center;}
.collab-title{margin:0 0 10px;font-weight:800}

@keyframes collab-scroll{
  from{ transform:translateX(0) }
  to  { transform:translateX(-50%) }
}

@media (prefers-reduced-motion: reduce){
  .collab-track{animation:none}
}

/* ===== RESPONSIVE ===== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin: 10px 0;
}
.kpi-grid .kpi-t {
  min-width: unset;
  margin: 0;
  padding: 14px 16px;
}
.kpi-grid .kpi-t .v { font-size: clamp(20px, 3vw, 28px); }

.chart-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  margin: 16px 0;
}
.chart-row .card-t { height: fit-content; }

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.table-responsive table { min-width: 600px; }
.table-responsive table th,
.table-responsive table td {
  white-space: nowrap;
  padding: 6px 8px;
  font-size: clamp(11px, 1.2vw, 14px);
}

.next-batch-card .batch-info {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin: 8px 0;
}
.next-batch-card .batch-info .badge-t { margin-left: 0; }

.top-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 16px 0;
}
.top-list-grid .card-t { height: fit-content; }

.responsive-text { font-size: clamp(14px, 1.5vw, 18px); }
.responsive-h3 { font-size: clamp(18px, 2vw, 24px); }

/* Mobile */
@media (max-width: 768px) {
  .courses-grid {
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
  }
  .course-card { min-height: 170px; }
  .course-card .card-content { padding: 18px 14px; min-height: 160px; }
  .course-card .card-icon { font-size: 36px; }
  .course-card .card-title { font-size: 14px; }
  .course-card .card-subtitle { font-size: 11px; }
  .course-card .card-badge { font-size: 8px; padding: 2px 10px; }
  .course-card .card-arrow { width: 26px; height: 26px; font-size: 12px; bottom: 12px; right: 12px; }

  .stats-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
  .stat-card .stat-value { font-size: 22px; }
  .stat-card .stat-icon { font-size: 22px; }

  .kpi-grid { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 6px; }
  .kpi-grid .kpi-t { padding: 10px 12px; }
  .kpi-grid .kpi-t .v { font-size: 20px; }
  .kpi-grid .kpi-t h3 { font-size: 10px; }
  .kpi-grid .kpi-t .delta { font-size: 10px; margin-left: 4px; padding: 1px 6px; }

  .chart-row { grid-template-columns: 1fr; gap: 12px; }
  .chartBox-t { height: 250px; }
  .chartBox-t.funnel { height: 280px; }

  .top-list-grid { grid-template-columns: 1fr; gap: 12px; }

  .collab-item { height: 130px; min-width: 140px; padding: 6px 12px; }
  .collab-item img { max-height: 80px; width: 120px; }
  .collab-item .collab-name { font-size: 10px; }
  .collab-track { gap: 16px; padding: 10px 6px; }

  .theme-toggle { right: 10px; bottom: 10px; padding: 8px 12px; }
  .theme-toggle .icon { font-size: 14px; }

  .card-t { padding: 12px; }
  .next-batch-card .batch-info .badge-t { font-size: 10px; padding: 2px 6px; }
}

@media (max-width: 480px) {
  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .course-card { min-height: 140px; border-radius: 14px; }
  .course-card .card-content { padding: 14px 10px; min-height: 130px; }
  .course-card .card-icon { font-size: 28px; margin-bottom: 8px; }
  .course-card .card-title { font-size: 12px; }
  .course-card .card-subtitle { font-size: 10px; }
  .course-card .card-badge { display: block !important;; }
  .course-card .card-arrow { width: 22px; height: 22px; font-size: 10px; bottom: 8px; right: 8px; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-card { padding: 14px; }
  .stat-card .stat-value { font-size: 18px; }
  .stat-card .stat-label { font-size: 10px; }

  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 4px; }
  .kpi-grid .kpi-t { padding: 8px 10px; }
  .kpi-grid .kpi-t .v { font-size: 16px; }
  .kpi-grid .kpi-t h3 { font-size: 9px; }
  .kpi-grid .kpi-t .delta { font-size: 8px; margin-left: 2px; padding: 1px 4px; }

  .collab-item { height: 100px; min-width: 100px; padding: 4px 8px; }
  .collab-item img { max-height: 60px; width: 80px; }
  .collab-item .collab-name { font-size: 8px; }
  .collab-track { gap: 12px; padding: 8px 4px; }

  .chartBox-t { height: 200px; }
  .chartBox-t.funnel { height: 220px; }

  .card-t { padding: 8px; border-radius: 12px; }
  .badge-t { font-size: 9px; padding: 2px 6px; margin-left: 3px; }

  .responsive-h3 { font-size: 16px; }
}

@media (max-width: 360px) {
  .courses-grid { gap: 6px; }
  .course-card { min-height: 120px; }
  .course-card .card-content { padding: 10px 8px; min-height: 110px; }
  .course-card .card-icon { font-size: 22px; }
  .course-card .card-title { font-size: 10px; }
  .course-card .card-subtitle { font-size: 8px; }
  .course-card .card-arrow { display: none; }

  .stats-grid { grid-template-columns: 1fr 1fr; gap: 4px; }
  .stat-card { padding: 10px; }
  .stat-card .stat-value { font-size: 16px; }

  .kpi-grid { grid-template-columns: repeat(2, 1fr); gap: 3px; }
  .kpi-grid .kpi-t .v { font-size: 14px; }
  .kpi-grid .kpi-t h3 { font-size: 8px; }
  .kpi-grid .kpi-t { padding: 6px 8px; }
}
/* Loading Spinner Styles */
#page-loader {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background: #ffffff;
z-index: 999999;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
transition: opacity 0.6s ease;
}

#page-loader .loader-container {
text-align: center;
}

#page-loader .loader-logo {
margin-bottom: 30px;
}

#page-loader .loader-logo img {
height: 80px;
width: auto;
animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

#page-loader .loader-text {
font-size: 20px;
font-weight: 700;
color: #1a3a5c;
margin-top: 20px;
letter-spacing: 1px;
}

#page-loader .loader-text span {
color: #3b82f6;
}
/* =====  Welcome Subtitle ===== */
#page-loader .loader-subtitle {
font-size: 18px;
font-weight: 600;
color: #64748b;
margin-top: 4px;
letter-spacing: 0.5px;
}

#page-loader .loader-subtitle i {
color: #3b82f6;
margin-right: 6px;
}
/* Modern Spinner */
.loader-spinner {
  width: 60px;
  height: 60px;
  position: relative;
  margin: 0 auto;
}

.loader-spinner .spinner-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 4px solid transparent;
  border-top-color: #3b82f6;
  animation: spin 1s linear infinite;
}

.loader-spinner .spinner-ring:nth-child(2) {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  border-top-color: #22c55e;
  animation-duration: 0.8s;
  animation-direction: reverse;
}

.loader-spinner .spinner-ring:nth-child(3) {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  border-top-color: #f59e0b;
  animation-duration: 1.2s;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Loading Progress Bar */
.loader-progress {
  width: 200px;
  height: 4px;
  background: #e5e7eb;
  border-radius: 4px;
  margin: 25px auto 0;
  overflow: hidden;
}

.loader-progress .progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #3b82f6, #22c55e, #f59e0b);
  border-radius: 4px;
  animation: progress 2.5s ease-in-out forwards;
}

@keyframes progress {
  0% { width: 0%; }
  20% { width: 15%; }
  40% { width: 35%; }
  60% { width: 55%; }
  80% { width: 80%; }
  100% { width: 100%; }
}

/* Loading Dots */
.loader-dots {
  display: inline-flex;
  gap: 8px;
  margin-top: 12px;
}

.loader-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3b82f6;
  animation: dotBounce 1.4s ease-in-out infinite both;
}

.loader-dots .dot:nth-child(1) { animation-delay: -0.32s; }
.loader-dots .dot:nth-child(2) { animation-delay: -0.16s; }
.loader-dots .dot:nth-child(3) { animation-delay: 0s; }

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Hide loader when page is ready */
#page-loader.hidden {
opacity: 0;
pointer-events: none;
}

/* Responsive */
@media (max-width: 480px) {
  #page-loader .loader-logo img {
  height: 60px;
  }

  #page-loader .loader-text {
  font-size: 16px;
  }
  #page-loader .loader-subtitle {
  font-size: 12px;
  }
  .loader-spinner {
    width: 50px;
    height: 50px;
  }

  .loader-progress {
    width: 160px;
  }
}