/* Public signup page (English UI) */
body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background-color: #f3f4f6;
    color: #111827;
    margin: 0;
}
.signup-wrap {
    max-width: 44rem;
    margin: 2rem auto;
    padding: 1.5rem;
    background: #fff;
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}
.signup-logo {
    display: block;
    max-width: 14rem;
    margin: 0 auto 1.25rem;
}
.signup-wrap h1 {
    font-size: 1.35rem;
    text-align: center;
    margin: 0 0 1.25rem;
    color: #1d4ed8;
}
.form-group {
    margin-bottom: 1rem;
}
.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: #374151;
}
.form-group input[type="text"],
.form-group input[type="email"] {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    box-sizing: border-box;
    font-size: 1rem;
}
.form-group input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}
.form-group input.is-invalid {
    border-color: #dc2626;
}
.form-group input.is-valid {
    border-color: #16a34a;
}
.invalid-feedback {
    font-size: 0.75rem;
    color: #b91c1c;
    margin-top: 0.25rem;
}
.btn-submit {
    display: block;
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.65rem 1rem;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
}
.btn-submit:hover {
    background: #1d4ed8;
}
.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.signup-help {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 0.25rem;
}
.signup-section-title {
    font-size: 1rem;
    font-weight: 700;
    color: #374151;
    margin: 1.25rem 0 0.5rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid #e5e7eb;
}
.signup-address-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem 1rem;
    align-items: start;
}
@media (min-width: 26rem) {
    .signup-address-grid {
        grid-template-columns: 1fr 1fr;
    }
    .signup-span-state {
        grid-column: 1 / -1;
    }
}
@media (min-width: 40rem) {
    .signup-address-grid {
        grid-template-columns: 1fr 1fr 1.2fr;
    }
    .signup-span-state {
        grid-column: auto;
    }
}
.signup-gps-grid {
    margin-top: 0.25rem;
}
.form-group select.form-control {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    box-sizing: border-box;
    font-size: 1rem;
    background: #fff;
}
.form-group select.form-control:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}
.form-group select.form-control.is-invalid {
    border-color: #dc2626;
}
.form-group select.form-control.is-valid {
    border-color: #16a34a;
}
.signup-readonly-gps {
    background: #f9fafb;
    color: #4b5563;
}
.btn-geocode {
    display: block;
    width: 100%;
    padding: 0.55rem 1rem;
    background: #1d4ed8;
    color: #fff;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
}
.btn-geocode:hover {
    background: #1e40af;
}