/* Global Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  scroll-behavior: smooth;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
  --black:#101820;
  
  --white: #f1f1f1;
  --green: #00ff7f;
  --darkgreen: #FEE715;
  --yellow:#FEE715;
  --gray: #2c2c2c;
}
.brand{
 align-items: start; 
}
.logo-text{
  
  padding-left: 6rem;
  letter-spacing: 0px;
}
.logo{
  
  position: relative;
 padding: 1rem 0rem;
 
  top: 0px;
  background-color: yellow;
  border-radius: 0 0 30px 30px;
  display: flex;
  
  animation-name: slidedown;
  animation-duration: 1s;
  animation-delay: 2s;
  animation-fill-mode: forwards;
  opacity: 0;
  z-index: 1;

}


@keyframes slidedown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
body {
  background-color: var(--black);
  
  color: var(--white);
  line-height: 1.6;
}

/* Header */
header {
  position: sticky;
  top: 0;
  background: var(--black);
  align-items: center;
  padding: 1rem 1rem;
  display:flex;
  justify-content: space-between;
  align-items:start;
  box-shadow: 1px 1px 1px rgb(225, 255, 0);
  animation-name: slideDown;
  animation-duration: 2s;
  z-index: 2;
  
}

header h1 {
  align-self: self-start;
  color: var(--yellow);
  font-size: 25pt;
  letter-spacing: 0px;
}
@media (max-width: 1000px) {
  
header{
  position: sticky ;
  top: -70px;
}
  
  
  
  
  
}

nav a {
  margin-left: 1rem;
  font-weight: bold;
  padding: 4px 4px;
  color: var(--black);
  text-decoration: none;
  transition: color 0.3s ease;
  background-color: var(--yellow);
  border-radius:0 0 10px 10px;
}
.btn {
  padding:.6rem 1rem;
  border-radius:0 0 10px 10px;
  font-size: 1.5rem;
  font-weight: bolder;
  
  text-decoration: none;
  border:none;
  background:var(--yellow);
  color:var(--black)
}
.btn:hover{
  background:var(--black);
  color:var(--yellow)
}.play-btn {
  padding:.6rem 1rem;
  border-radius:0 10px 10px 0;
  font-size: 1.5rem;
  font-weight: bolder;
  
  text-decoration: none;
  border:none;
  background:var(--yellow);
  color:var(--black)
}
.play-btn:hover{
  background:var(--black);
  color:var(--yellow)
}
.btns {
  padding:.6rem 1rem;
  border-radius:0 10px 0 10px;
  font-size: 1.5rem;
  font-weight: bolder;
  
  text-decoration: none;
  border:none;
  background:var(--yellow);
  color:var(--black)
}
.btns:hover{
  background:var(--black);
  color:var(--yellow)
}
.lobby-btn {
  padding:.1rem 1rem;
  border-radius:0 10px 10px 0;
  font-size: 10pt;
  font-weight: bold;
  
  text-decoration: none;
  border:none;
  background:var(--yellow);
  color:var(--black)
}
.lobby-btn:hover{
  background:var(--black);
  color:var(--yellow)
}
.btn1 {
  position: absolute;
  top: 50%;
  left: 90vw;
  transform: translate(-50%, -50%);
  font-size: 1.5rem;
  font-weight:400;
  padding: 20px 10vw;
  text-decoration: none;
  border:none;
  background:var(--yellow);
  color:var(--black)
}
.btn1:hover{
  background:var(--black);
  color:var(--yellow)
}
nav a:hover {
  color: var(--yellow);
  background-color: var(--black);
}


/* Hero Section */
.hero {
  background: url('/images/chess-bg.jpg') no-repeat center center/cover;
  height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  animation: fadeIn 2s ease-in;
}

.hero h2 {
  font-size: 3rem;
  color: var(--yellow);
  text-shadow: 2px 2px 10px var(--black);
}

.hero p {
  color: var(--white);
  font-size: 1.2rem;
  margin-top: 1rem;
}

/* Sections */
section {
  padding: 4rem 2rem;
}

.section-title {
  color: var(--yellow);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.content-box {
  background-color: var(--gray);
  display: block;
  padding: 1.5rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  box-shadow: 0 0 10px --yellow;
  transition: transform 0.3s ease;
}

.content-box:hover {
  transform: translateY(-5px);
}

/* Login Form */
.login-container {
  max-width: 400px;
  margin: 3rem auto;
  background: var(--gray);
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0, 255, 127, 0.2);
  animation: scaleIn 0.6s ease;
}

.login-container h2 {
  text-align: center;
  color: var(--green);
  margin-bottom: 1.5rem;
}

.login-container input {
  width: 100%;
  padding: 0.8rem;
  margin-bottom: 1rem;
  border: none;
  border-radius: 6px;
  background: var(--black);
  color: var(--white);
}

.login-container button {
  width: 100%;
  padding: 0.9rem;
  background: var(--green);
  color: var(--black);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s ease;
}

.login-container button:hover {
  background: var(--darkgreen);
}

/* Footer */
footer {
  background-color: var(--gray);
  text-align: center;
  padding: 1rem;
  color: var(--white);
  font-size: 0.9rem;
}

/* Animations */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  0% {
    opacity: 0;
    transform: scale(1.05);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes scaleIn {
  0% {
    transform: scale(0.8);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    margin-top: 1rem;
  }

  .hero h2 {
    font-size: 2.2rem;
  }

  .login-container {
    margin: 2rem 1rem;
  }
}
.auth-container{
 display: block;
  max-width:420px;
  
  margin:10rem auto;
  padding:2.25rem;
  position: relative;
  border-radius:8px;
  box-shadow:0 6px 20px var(--yellow)
}
.auth-container form label{
  display:block;
  margin-bottom:.5rem
}
.auth-container input{
  width:100%;
  padding:.6rem;
  border:1px solid #e6e6e6;
  border-radius:6px;
  margin-top:.35rem
}
.alt-op{
  color: var(--yellow);
}

.auth-container h2{
 text-align: center;
 
  
  color: var(--yellow);
}
.regBtn{
  display:block;
  margin: 20px auto;
  padding:.6rem 1rem;
  border-radius:6px;
  border:none;
  background:var(--yellow);
  color: var(--black);
}
.regBtn:Hover {
  background:var(--black);
  color: var(--yellow);
}
.msg{margin-top:.75rem;
  color:crimson
}
pre{
  background:#f7f7f7;
  padding:1rem;
  border-radius:6px;
  overflow:auto
}