:root {
  --cc-primary: #0f7f76;
  --cc-primary-dark: #0b6b64;
  --cc-primary-deep: #0f513f;
  --cc-accent: #43b047;
  --cc-page-bg: #eef7f4;
  --cc-card-bg: #ffffff;
  --cc-text: #17324d;
  --cc-muted: #64748b;
  --cc-border: #c8dfcf;
  --cc-shadow: rgba(15, 81, 63, 0.18);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--cc-text);
}

body {
  background:
    radial-gradient(
      circle at top right,
      rgba(255, 255, 255, 0.32) 0 88px,
      transparent 90px
    ),
    radial-gradient(
      circle at 88% 8%,
      rgba(15, 127, 118, 0.10) 0 150px,
      transparent 152px
    ),
    linear-gradient(
      135deg,
      #eef7f4 0%,
      #e6f3ef 45%,
      #f8fcf7 100%
    );
}

.login-page {
  min-height: 100vh;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 420px;
  padding: 32px 28px;
  background: var(--cc-card-bg);
  border: 1px solid var(--cc-border);
  border-radius: 22px;
  box-shadow:
    0 24px 60px var(--cc-shadow),
    0 4px 14px rgba(23, 50, 77, 0.08);
  text-align: center;
}

.login-logo {
  width: 150px;
  margin: 0 auto 16px;
}

.login-logo img {
  width: 100%;
  height: auto;
  display: block;
}

.login-subtitle {
  margin: 0;
  color: var(--cc-primary-deep);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
}

.accent-line {
  width: 76px;
  height: 5px;
  margin: 18px auto;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--cc-primary),
    var(--cc-accent)
  );
}

.login-helper {
  margin: 0 0 22px;
  color: var(--cc-muted);
  font-size: 14px;
  line-height: 1.5;
}

.oauth-group {
  display: grid;
  gap: 12px;
}

.oauth-btn {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--cc-text);
  background: #ffffff;
  border: 1px solid var(--cc-border);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(23, 50, 77, 0.08);
  transition:
    transform 0.16s ease,
    box-shadow 0.16s ease,
    border-color 0.16s ease,
    background 0.16s ease;
}

.oauth-btn:hover {
  transform: translateY(-2px);
  background: #f8fcf7;
  border-color: var(--cc-primary);
  box-shadow: 0 14px 28px rgba(15, 127, 118, 0.16);
}

.oauth-btn:active {
  transform: translateY(0);
}

.oauth-icon {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.oauth-icon svg {
  width: 26px;
  height: 26px;
  display: block;
}

.oauth-icon.facebook {
  color: #ffffff;
  background: #1877f2;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.divider {
  margin: 24px 0 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.divider::before,
.divider::after {
  content: "";
  height: 1px;
  flex: 1;
  background: #d6e8dc;
}

.shield {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(
    135deg,
    var(--cc-primary),
    var(--cc-accent)
  );
  border-radius: 50%;
  font-size: 14px;
  font-weight: 900;
}

.terms {
  margin: 0;
  color: var(--cc-muted);
  font-size: 12px;
  line-height: 1.6;
}

.terms a {
  color: var(--cc-primary-dark);
  font-weight: 800;
  text-decoration: none;
}

.terms a:hover {
  text-decoration: underline;
}

.signin-loader {
  position: fixed;
  inset: 0;
  z-index: 99;
  padding: 20px;
  display: grid;
  place-items: center;
  background: rgba(11, 32, 44, 0.55);
  backdrop-filter: blur(7px);
}

.signin-loader.hidden {
  display: none;
}

.signin-loader-card {
  width: min(100%, 330px);
  padding: 30px 26px;
  text-align: center;
  background: #ffffff;
  border: 1px solid var(--cc-border);
  border-radius: 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
}

.signin-spinner {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border: 5px solid #dcefe3;
  border-top-color: var(--cc-primary);
  border-radius: 50%;
  animation: signin-spin 0.8s linear infinite;
}

.signin-loader-card h2 {
  margin: 0 0 8px;
  color: var(--cc-primary-deep);
  font-size: 20px;
  font-weight: 900;
}

.signin-loader-card p {
  margin: 0;
  color: var(--cc-muted);
  font-size: 14px;
}

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

@media (max-width: 520px) {
  .login-page {
    padding: 16px;
  }

  .login-card {
    padding: 28px 20px;
    border-radius: 18px;
  }

  .login-logo {
    width: 138px;
  }

  .login-subtitle {
    font-size: 19px;
  }

  .oauth-btn {
    min-height: 50px;
    font-size: 13px;
  }
}

/* Make index page look like browser zoomed to 130% */

.login-card {
  transform: scale(1.3);
  transform-origin: center;
}

.login-page {
  overflow: hidden;
}

@media (max-width: 900px) {
  .login-card {
    transform: scale(1.15);
  }
}

@media (max-width: 520px) {
  .login-card {
    transform: none;
  }

  .login-page {
    overflow: auto;
  }
}

/* Temporary styles for disabled Facebook login */
.oauth-btn-disabled {
  opacity: 0.55;
  cursor: not-allowed;
  filter: grayscale(20%);
}

.oauth-btn-disabled:hover {
  transform: none;
  box-shadow: none;
}

.oauth-notice {
  margin: 8px 0 0;
  padding: 10px 12px;
  border: 1px solid #f2d28a;
  border-radius: 10px;
  background: #fff8e6;
  color: #7a5200;
  font-size: 13px;
  line-height: 1.4;
}