body{
 margin:0;
 font-family: Arial;
 background:#f4f6f8;
}

header{
 background:#002244;
 color:white;
 padding:15px;
 display:flex;
 justify-content:space-between;
}

nav a{
 color:white;
 margin:10px;
 text-decoration:none;
}

.hero{
 background:linear-gradient(#003366,#000);
 color:white;
 padding:80px;
 text-align:center;
}

button{
 padding:12px 20px;
 background:orange;
 border:none;
 cursor:pointer;
}

.notice{
 background:white;
 padding:20px;
 margin:20px;
 box-shadow:0 0 10px #ccc;
}
nav a{
  color:white;
  margin:10px;
  text-decoration:none;
  padding:8px 14px;
  border-radius:5px;
  transition:0.3s;
}

nav a:hover{
  background:orange;
  color:black;
  box-shadow:0 0 10px orange;
}
.footer{
  background:#001933;
  color:white;
  display:flex;
  justify-content:space-around;
  padding:40px 20px;
  flex-wrap:wrap;
}

.footer-box{
  max-width:300px;
}

.footer-box h3, .footer-box h4{
  color:orange;
}

.footer-box a{
  display:block;
  color:white;
  text-decoration:none;
  margin:5px 0;
  transition:0.3s;
}

.footer-box a:hover{
  color:orange;
  padding-left:5px;
}

.copyright{
  background:#000d1a;
  color:#aaa;
  text-align:center;
  padding:10px;
}
@media (max-width:768px){
 nav{
   flex-direction:column;
 }
 .gallery img{
   width:100%;
 }
 .sidebar{
   width:100px;
 }
}
#loginBtn{
 position:fixed;
 top:35px;
 right:20px;

 padding:10px 15px;
 border:none;
 cursor:pointer;
 z-index:1000;
}





.video-section{
 padding:40px;
 background:#f4f6f8;
 text-align:center;
}

.video-grid{
 display:flex;
 justify-content:center;
 gap:30px;
 flex-wrap:wrap;
}

.video-card{
 width:280px;
 height:160px;
 border-radius:15px;
 overflow:hidden;
 position:relative;
 cursor:pointer;
 box-shadow:0 0 20px rgba(0,0,0,0.3);
 transition:0.3s;
}

.video-card:hover{
 transform:scale(1.05);
}

.video-card video{
 width:100%;
 height:100%;
 object-fit:cover;
}

.video-label{
 position:absolute;
 bottom:0;
 width:100%;
 background:rgba(0,0,0,0.6);
 color:white;
 padding:10px;
 font-size:16px;
}

.video-label.live{
 background:red;
 animation:blink 1s infinite;
}

@keyframes blink{
 0%{opacity:1;}
 50%{opacity:0.6;}
 100%{opacity:1;}
}







.modal{
 position:fixed;
 inset:0;
 background:rgba(0,0,0,0.7);
 display:none;
 align-items:center;
 justify-content:center;
}

.modal-box{
 background:white;
 padding:30px;
 width:300px;
 border-radius:10px;
 text-align:center;
}

.modal-box input{
 width:100%;
 padding:10px;
 margin:10px 0;
}

.close{
 float:right;
 cursor:pointer;
 font-size:20px;
}







/* ===============================
   SMART COACHING – PREMIUM UI
   Safe Add-On (no break)
================================ */

/* Global polish */
body {
    background: linear-gradient(180deg,#05070d,#0a0f1a);
}

/* Header upgrade */
header {
    backdrop-filter: blur(20px);
    background: rgba(0,0,0,.4);
    border-bottom: 1px solid rgba(255,255,255,.1);
}

/* Navbar links */
nav a {
    position: relative;
    padding: 8px 14px;
    border-radius: 20px;
    transition: .3s;
}

nav a:hover {
    background: rgba(102,126,234,.25);
}

/* Hero section premium */
.hero {
    position: relative;
    background: linear-gradient(135deg, rgba(102,126,234,.2), rgba(118,75,162,.15));
    box-shadow: inset 0 0 100px rgba(102,126,234,.2);
}

.hero h2 {
    font-size: 3rem;
    text-shadow: 0 0 30px rgba(102,126,234,.6);
}

.hero button {
    background: linear-gradient(135deg,#667eea,#764ba2);
    border: none;
    border-radius: 40px;
    padding: 15px 40px;
    box-shadow: 0 20px 50px rgba(102,126,234,.6);
}

/* Notice glass card */
.notice {
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(15px);
    border-radius: 30px;
    box-shadow: 0 30px 80px rgba(102,126,234,.4);
}

/* Video cards premium */
.video-card {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0,0,0,.8);
    transition: .5s;
}

.video-card::after {
    content:"";
    position:absolute;
    inset:0;
    background: linear-gradient(120deg,
      transparent 40%,
      rgba(255,255,255,.15),
      transparent 60%);
    transform: translateX(-100%);
    transition:.8s;
}

.video-card:hover::after {
    transform: translateX(100%);
}

.video-card:hover {
    transform: scale(1.05);
    box-shadow: 0 40px 100px rgba(102,126,234,.6);
}

/* Login button premium */
#loginBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg,#667eea,#764ba2);
    border-radius: 50px;
    padding: 15px 35px;
    color: white;
    box-shadow: 0 20px 60px rgba(102,126,234,.6);
    z-index: 2000;
}

/* Login modal glass */
.modal-box {
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(25px);
    border-radius: 40px;
    box-shadow: 0 40px 120px rgba(102,126,234,.7);
}

/* Footer premium */
.footer {
    background: linear-gradient(180deg,#05070d,#0a0f1a);
    padding: 5rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(250px,1fr));
    gap: 3rem;
}

.footer-box {
    background: rgba(255,255,255,.05);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 40px;
    border: 1px solid rgba(255,255,255,.12);
    transition: .4s;
}

.footer-box:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 80px rgba(102,126,234,.5);
}

.footer-box h3,
.footer-box h4 {
    background: linear-gradient(135deg,#667eea,#764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-box a {
    display: block;
    color: rgba(255,255,255,.7);
    margin: 8px 0;
    transition: .3s;
}

.footer-box a:hover {
    color: white;
    transform: translateX(6px);
}

.copyright {
    background: #05070d;
    color: rgba(255,255,255,.6);
    padding: 20px;
}








#loginBtn {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 999;
    background: linear-gradient(135deg,#667eea,#764ba2);
    color: white;
    border: none;
    padding: 12px 28px;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: 0 20px 50px rgba(102,126,234,.6);
}

#loginBtn:hover {
    transform: scale(1.1);
}
.player-page {
    background:#05070d;
    min-height:100vh;
    padding:40px;
}

.player-container {
    display:grid;
    grid-template-columns: 3fr 1fr;
    gap:30px;
}

.video-main video {
    width:100%;
    border-radius:20px;
    box-shadow:0 30px 80px rgba(102,126,234,.5);
}

.playlist {
    background: rgba(255,255,255,.05);
    backdrop-filter: blur(20px);
    border-radius:20px;
    padding:20px;
}

.lesson {
    padding:15px;
    border-radius:10px;
    margin-bottom:10px;
    background: rgba(255,255,255,.06);
    cursor:pointer;
    color: white;
}

.lesson:hover {
    background: linear-gradient(135deg,#667eea,#764ba2);
}



#loginBtn{
  background:#667eea;
  color:white;
  padding:10px 20px;
  border:none;
  border-radius:20px;
  margin-left:20px;
  cursor:pointer;
}
/* COURSES PAGE */
.course-header{
    text-align:center;
    padding:60px 20px;
    background:linear-gradient(135deg,#667eea,#764ba2);
    color:white;
}

.course-hero{
    margin:40px auto;
    max-width:1100px;
}

.course-video{
    position:relative;
    overflow:hidden;
    border-radius:25px;
}

.course-video video{
    width:100%;
    height:400px;
    object-fit:cover;
}

.video-overlay{
    position:absolute;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(0,0,0,.4);
    color:white;
    font-size:2rem;
}

/* Floating cards */
.courses-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
    gap:30px;
    padding:40px;
}

.course-card{
    background:white;
    padding:30px;
    border-radius:20px;
    box-shadow:0 20px 50px rgba(0,0,0,.1);
    transition:.4s;
    text-align:center;
}

.course-card:hover{
    transform:translateY(-10px);
    box-shadow:0 40px 80px rgba(102,126,234,.3);
}

.course-card h3{
    color:#002244;
}

.course-card button{
    margin-top:20px;
    padding:12px 25px;
    border:none;
    background:#667eea;
    color:white;
    border-radius:25px;
    cursor:pointer;
}
/* SMART GALLERY */
.gallery-header{
    text-align:center;
    padding:60px 20px;
    background:linear-gradient(135deg,#667eea,#764ba2);
    color:white;
}

.gallery-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:30px;
    padding:50px;
}

.gallery-card{
    background:white;
    padding:30px;
    border-radius:20px;
    box-shadow:0 20px 50px rgba(0,0,0,.1);
    transition:.4s;
    text-align:center;
}

.gallery-card:hover{
    transform:translateY(-10px);
    box-shadow:0 40px 80px rgba(102,126,234,.4);
}

.gallery-card .icon{
    font-size:50px;
    margin-bottom:15px;
}

.gallery-card h3{
    color:#002244;
}

.gallery-card button{
    margin-top:20px;
    padding:12px 30px;
    border:none;
    background:#667eea;
    color:white;
    border-radius:25px;
    cursor:pointer;
}