:root {
  --brand: #1a5a9a;
  --brand-light: #1a5a9a20;
  --brand-lighter: #1a5a9a10;
  --brand-dark: #1a5a9add;
  --text: #1e293b;
  --text-light: #64748b;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --transition: all 0.3s ease;
}

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

body.auth-page {
  min-height: 100vh;
  background: var(--brand);
  font-family: "Ubuntu", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--text);
  line-height: 1.6;
  position: relative;
  overflow-x: hidden;
}

body.auth-page::before,
body.auth-page::after,
.shape {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  z-index: -1;
}

body.auth-page::before {
  width: 300px;
  height: 300px;
  top: -150px;
  right: -150px;
}

body.auth-page::after {
  width: 200px;
  height: 200px;
  bottom: -100px;
  left: -100px;
}

.shape-1 {
  width: 150px;
  height: 150px;
  top: 10%;
  left: 10%;
}

.shape-2 {
  width: 100px;
  height: 100px;
  bottom: 15%;
  right: 15%;
}

.login-container,
.forgot-container,
.reset-container {
  width: 100%;
  max-width: 440px;
  z-index: 2;
}

.register-container {
  width: 100%;
  max-width: 1000px;
  z-index: 2;
}

.auth-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  opacity: 1;
  transform: translateY(0);
  transition: var(--transition);
}

.auth-card.is-loading-in {
  opacity: 0;
  transform: translateY(20px);
}

.auth-card.is-ready {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.card-header {
  padding: 2.5rem 2rem 1.5rem;
  text-align: center;
  background: var(--card-bg);
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.brand-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 22px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.brand-name {
  font-weight: 700;
  font-size: 26px;
  letter-spacing: 0;
  color: var(--brand);
  margin: 0;
}

.welcome-text {
  font-size: 16px;
  color: var(--text-light);
  margin-top: 8px;
}

.card-body {
  padding: 0 2rem 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text);
  font-size: 14px;
}

.input-group {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  z-index: 2;
}

.form-control {
  width: 100%;
  padding: 14px 16px 14px 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius) !important;
  background: var(--card-bg);
  font-size: 16px;
  transition: var(--transition);
  color: var(--text);
}

.form-control:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-light);
}

.password-toggle {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  z-index: 3;
}

.auth-btn,
.btn-login,
.btn-register {
  width: 100%;
  padding: 16px;
  background: var(--brand);
  color: #ffffff;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  margin-top: 0.5rem;
  position: relative;
  overflow: hidden;
}

.auth-btn:hover,
.btn-login:hover,
.btn-register:hover {
  background: var(--brand-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.auth-btn[disabled],
.btn-login[disabled],
.btn-register[disabled] {
  cursor: not-allowed;
  opacity: 0.8;
  transform: none;
}

.btn-text,
.btn-spinner {
  transition: opacity 0.3s ease;
}

.btn-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
}

.is-submitting .btn-text,
.loading .btn-text {
  opacity: 0;
}

.is-submitting .btn-spinner,
.loading .btn-spinner {
  opacity: 1;
}

.links-container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
  font-size: 14px;
}

.link {
  color: var(--brand);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.link:hover {
  color: var(--brand-dark);
  text-decoration: underline;
}

.card-footer {
  padding: 1.5rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--text-light);
  font-size: 13px;
  background: #f9fafb;
}

.strength {
  height: 5px;
  background: #e2e8f0;
  border-radius: 3px;
  margin-top: 8px;
  overflow: hidden;
}

#pwBar {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 3px;
  transition: width 0.3s ease, background 0.3s ease;
}

.hint-text {
  color: var(--text-light);
}

.ref-detected {
  display: inline-block;
  margin-top: 8px;
  padding: 6px 12px;
  background: #f0f9ff;
  border-radius: 6px;
  color: #0369a1;
  font-size: 13px;
}

.info-col {
  background: #f8fafc;
  border-radius: var(--radius);
  padding: 1.5rem;
  height: 100%;
}

.info-col h5 {
  color: var(--brand);
  margin-bottom: 1rem;
  font-weight: 600;
}

.info-col ul {
  list-style: none;
  padding: 0;
}

.info-col li {
  padding: 8px 0 8px 24px;
  position: relative;
}

.info-col li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--brand);
  font-weight: 700;
}

.auth-loader {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.56);
  backdrop-filter: blur(4px);
  z-index: 9999;
}

.auth-loader.is-visible {
  display: flex;
}

.swal2-container {
  z-index: 10000;
}

.auth-loader-box {
  min-width: 190px;
  padding: 22px 26px;
  background: #ffffff;
  color: var(--text);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
}

.auth-loader-spinner {
  width: 36px;
  height: 36px;
  border: 4px solid var(--brand-lighter);
  border-top-color: var(--brand);
  border-radius: 50%;
  margin: 0 auto 12px;
  animation: auth-spin 0.8s linear infinite;
}

.auth-loader-text {
  font-weight: 600;
  font-size: 14px;
}

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

@media (max-width: 992px) {
  .info-col {
    margin-top: 2rem;
  }
}

@media (max-width: 768px) {
  .card-header,
  .card-body,
  .card-footer {
    padding: 1.5rem;
  }

  .brand-name {
    font-size: 22px;
  }

  .brand-icon {
    width: 44px;
    height: 44px;
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  body.auth-page {
    padding: 14px;
  }

  .links-container {
    flex-direction: column;
    align-items: center;
  }
}