/* Minimal styling for login page */
:root {
  --login-body-bg: radial-gradient(circle at top, #1e293b 0%, #0f172a 45%, #020617 100%);
  --login-card-bg: rgba(15, 23, 42, 0.88);
  --login-border-color: rgba(148, 163, 184, 0.2);
  --login-text-primary: #e2e8f0;
  --login-text-muted: #94a3b8;
  --login-accent: #4c78ff;
  --login-accent-hover: #355dff;
  --login-danger: #f87171;
  --login-input-bg: rgba(15, 23, 42, 0.6);
  --login-input-border: rgba(148, 163, 184, 0.25);
  --login-input-border-focus: rgba(76, 120, 255, 0.6);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  background: var(--login-body-bg);
  color: var(--login-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
}

a {
  color: var(--login-accent);
  text-decoration: none;
  transition: color 0.2s ease-in-out;
}

a:hover {
  color: var(--login-accent-hover);
}

.login-main {
  width: 100%;
  max-width: 420px;
}

.login-card {
  background: var(--login-card-bg);
  border: 1px solid var(--login-border-color);
  border-radius: 1.25rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(12px);
}

.login-header {
  text-align: center;
  margin-bottom: 2rem;
}

.login-title {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.login-subtitle {
  margin: 0;
  color: var(--login-text-muted);
  font-size: 0.95rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--login-text-primary);
}

.input-control {
  width: 100%;
  padding: 0.9rem 1rem;
  border-radius: 0.9rem;
  border: 1px solid var(--login-input-border);
  background: var(--login-input-bg);
  color: var(--login-text-primary);
  font-size: 0.95rem;
  transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.input-control::placeholder {
  color: rgba(148, 163, 184, 0.65);
}

.input-control:focus {
  outline: none;
  border-color: var(--login-input-border-focus);
  box-shadow: 0 0 0 3px rgba(76, 120, 255, 0.18);
}

.input-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--login-input-bg);
  border-radius: 0.9rem;
  border: 1px solid var(--login-input-border);
  padding-left: 0.5rem;
  transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.input-group:focus-within {
  border-color: var(--login-input-border-focus);
  box-shadow: 0 0 0 3px rgba(76, 120, 255, 0.18);
}

.input-group .input-control {
  border: none;
  background: transparent;
  padding-left: 0.5rem;
  box-shadow: none;
}

.toggle-password {
  border: none;
  background: transparent;
  color: var(--login-text-muted);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.75rem;
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out;
}

.toggle-password:hover,
.toggle-password:focus {
  color: var(--login-text-primary);
  background: rgba(76, 120, 255, 0.12);
}

.toggle-password:focus {
  outline: none;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.9rem;
  color: var(--login-text-muted);
}

.checkbox-row input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--login-accent);
  cursor: pointer;
}

.helper-text {
  font-size: 0.8rem;
  color: var(--login-text-muted);
}

.error-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--login-danger);
  font-size: 0.85rem;
  list-style-type: disc;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.9rem;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  padding: 0.95rem 1.25rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #4c78ff, #6d5dfc);
  color: #f8fafc;
  box-shadow: 0 18px 32px rgba(76, 120, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 36px rgba(76, 120, 255, 0.45);
}

.btn-primary:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(76, 120, 255, 0.4);
}

.btn-primary:disabled {
  cursor: not-allowed;
  opacity: 0.7;
  box-shadow: none;
}

#spinner {
  margin-left: 0.6rem;
}

.whatsapp-button {
  position: fixed;
  bottom: 32px;
  left: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  box-shadow: 0 14px 24px rgba(37, 211, 102, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 28px rgba(37, 211, 102, 0.45);
}

@media (max-width: 540px) {
  body {
    padding: 1.5rem 1rem;
  }

  .login-card {
    padding: 2rem 1.5rem;
  }
}

@media (max-width: 380px) {
  .login-card {
    padding: 1.75rem 1.25rem;
  }

  .login-title {
    font-size: 1.5rem;
  }

  .whatsapp-button {
    width: 52px;
    height: 52px;
    font-size: 24px;
    bottom: 24px;
    left: 24px;
  }
}