html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

a, .btn-link {
    color: #006bb7;
}

.btn-primary {
    color: #fff;
    background-color: #1b6ec2;
    border-color: #1861ac;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e50000;
}

.validation-message {
    color: #e50000;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

    .blazor-error-boundary::after {
        content: "An error has occurred."
    }

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}
/* ===================== NHÀ TRỌ ===================== */
body { background: #f4f6fa; min-height: 100vh; display: flex; flex-direction: column; }
.body-content { flex: 1; padding-top: 24px; padding-bottom: 32px; }

.nh-footer {
    background: linear-gradient(135deg, #1a5490 0%, #2980b9 100%);
    color: #fff;
    padding: 24px 0 18px;
    margin-top: auto;
}
.nh-footer h4 { font-weight: 700; letter-spacing: .5px; margin-bottom: 8px; }
.nh-footer p { margin: 0; opacity: .9; line-height: 1.9; }
.nh-footer i { width: 18px; }

.navbar .logout-link { color: rgba(255,255,255,.9) !important; text-decoration: none; }

/* Thông báo */
.nh-toasts { position: fixed; top: 84px; right: 16px; z-index: 2000; display: flex; flex-direction: column; gap: 10px; max-width: min(420px, calc(100vw - 32px)); }
.nh-toast { display: flex; align-items: center; gap: 10px; color: #fff; padding: 12px 14px; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.18); animation: nh-slide-in .25s ease; }
.nh-toast-success { background: #27ae60; }
.nh-toast-error { background: #e74c3c; }
.nh-toast-warning { background: #e67e22; }
.nh-toast-info { background: #3498db; }
@keyframes nh-slide-in { from { transform: translateX(30px); opacity: 0; } to { transform: none; opacity: 1; } }

/* Hộp thoại Blazor (thay modal Bootstrap/jQuery) */
.nh-modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 1050; display: flex; align-items: flex-start; justify-content: center; overflow-y: auto; padding: 40px 12px; }
.nh-modal { background: #fff; border-radius: 14px; width: 100%; max-width: 820px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.nh-modal-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid #eee; background: linear-gradient(135deg, #e67e22, #d35400); color: #fff; border-radius: 14px 14px 0 0; }
.nh-modal-header h5 { margin: 0; font-weight: 600; }
.nh-modal-body { padding: 20px; }

.money { text-align: right; }
.cursor-pointer { cursor: pointer; }
.photo-thumb { width: 90px; height: 60px; object-fit: cover; border-radius: 6px; border: 1px solid #ddd; cursor: zoom-in; }
.tenant-card-form { border: 1px solid #e3e8ef; border-radius: 12px; padding: 18px; margin-bottom: 18px; background: #fff; box-shadow: 0 3px 10px rgba(0,0,0,.04); }
.tenant-card-form .tenant-card-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.nh-loading { text-align: center; padding: 60px 0; color: #7f8c8d; }
.nh-chart-bar { height: 22px; border-radius: 6px; background: linear-gradient(90deg, #e74c3c, #f39c12); }
.nh-chart-bar.income { background: linear-gradient(90deg, #27ae60, #2ecc71); }