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

html,
body {
  height: 100%;
  font-family: "Poppins", sans-serif;
  color: #fff;
  background: #24282b;
  background-image: url("assets/images/ui/DL_BG.jpg");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: fixed;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.main-container {
  position: relative;
  z-index: 2;
  width: 90%;
  max-width: 500px;
  text-align: center;
  animation: fadeIn 1s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h1 {
  font-family: "Germania One", cursive;
  font-size: 4rem;
  color: #C0B6C9;
  margin-bottom: 10px;
}

.auth-box {
  background: #19171C;
  border-radius: 10px;
  padding: 20px 30px;
  box-shadow: 0 0 30px #342F39, inset 0 1px 0 #342F39;
  border: 2px solid #342F39;
  backdrop-filter: blur(5px);
  padding-bottom: 30px;
}

.auth-tabs {
  display: flex;
  margin-bottom: 30px;
  border-bottom: 2px solid #342F39;
}

.tab-btn {
  flex: 1;
  padding: 12px;
  background: none;
  border: none;
  color: #C0B6C9;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
}

.tab-btn.active {
  color: #C0B6C9;
  border-bottom: 3px solid #C0B6C9;
  margin-bottom: -2px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

.form-group {
  margin-bottom: 20px;
  text-align: left;
}

label {
  display: block;
  margin-bottom: 8px;
  color: #C0B6C9;
  font-weight: bold;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 12px 15px;
  border: 2px solid #342F39;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.055);
  color: #fff;
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus {
  outline: none;
  border-color: #C0B6C9;
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.3);
}

.button-group {
  display: flex;
  gap: 10px;
  margin-top: 25px;
}

.btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  border-radius: 5px;
  font-weight: bold;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.btn-primary {
  background: #C0B6C9;
  color: #19171C;
  box-shadow: 0 0 15px #342F39;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px #342F39;
}

.gsi-material-button {
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -webkit-appearance: none;
  background-color: WHITE;
  background-image: none;
  border: 1px solid #747775;
  -webkit-border-radius: 4px;
  border-radius: 4px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  color: #1f1f1f;
  cursor: pointer;
  font-family: 'Roboto', arial, sans-serif;
  font-size: 14px;
  height: 40px;
  letter-spacing: 0.25px;
  outline: none;
  overflow: hidden;
  padding: 0 12px;
  position: relative;
  text-align: center;
  -webkit-transition: background-color .218s, border-color .218s, box-shadow .218s;
  transition: background-color .218s, border-color .218s, box-shadow .218s;
  vertical-align: middle;
  white-space: nowrap;
  width: auto;
  max-width: 400px;
  min-width: min-content;
}

.gsi-material-button .gsi-material-button-icon {
  height: 20px;
  margin-right: 12px;
  min-width: 20px;
  width: 20px;
}

.gsi-material-button .gsi-material-button-content-wrapper {
  -webkit-align-items: center;
  align-items: center;
  display: flex;
  -webkit-flex-direction: row;
  flex-direction: row;
  -webkit-flex-wrap: nowrap;
  flex-wrap: nowrap;
  height: 100%;
  justify-content: space-between;
  position: relative;
  width: 100%;
}

.gsi-material-button .gsi-material-button-contents {
  -webkit-flex-grow: 1;
  flex-grow: 1;
  font-family: 'Roboto', arial, sans-serif;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  vertical-align: top;
}

.gsi-material-button .gsi-material-button-state {
  -webkit-transition: opacity .218s;
  transition: opacity .218s;
  bottom: 0;
  left: 0;
  opacity: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.gsi-material-button:disabled {
  cursor: default;
  background-color: #ffffff61;
  border-color: #1f1f1f1f;
}

.gsi-material-button:disabled .gsi-material-button-contents {
  opacity: 38%;
}

.gsi-material-button:disabled .gsi-material-button-icon {
  opacity: 38%;
}

.gsi-material-button:not(:disabled):active .gsi-material-button-state, 
.gsi-material-button:not(:disabled):focus .gsi-material-button-state {
  background-color: #303030;
  opacity: 12%;
}

.gsi-material-button:not(:disabled):hover {
  -webkit-box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15);
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, .30), 0 1px 3px 1px rgba(60, 64, 67, .15);
}

.gsi-material-button:not(:disabled):hover .gsi-material-button-state {
  background-color: #303030;
  opacity: 8%;
}


.divider {
  margin: 25px 0;
  display: flex;
  align-items: center;
  gap: 15px;
  color: #C0B6C9;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, #C0B6C9, transparent);
}

.message {
  padding: 12px;
  border-radius: 5px;
  margin-bottom: 20px;
  display: none;
}

.message.error {
  background: rgba(231, 76, 60, 0.2);
  border: 1px solid #e74c3c;
  color: #ff6b6b;
}

.message.success {
  background: rgba(46, 204, 113, 0.2);
  border: 1px solid #2ecc71;
  color: #2ecc71;
}

.forgot-password {
  text-align: center;
  margin-top: 15px;
}

.forgot-password a {
  color: #ffffff75;
  text-decoration: none;
  font-size: 0.9rem;
}

.forgot-password a:hover {
  text-decoration: underline;
}

.loading {
  display: none;
  width: 30px;
  height: 30px;
  border: 3px solid #342F39;
  border-top-color: #C0B6C9;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 20px auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 600px) {
  h1 {
    font-size: 3rem;
  }
  .auth-box {
    padding: 30px 20px;
  }
  .button-group {
    flex-direction: column;
  }
}


/* ===== FOOTER ===== */
footer {
  text-align: center;
  padding: 10px;
  color: #C0B6C9;
  font-size: 0.8rem;
}