/* =========================================================
   NEXUS REAL ESTATE — AUTH PAGES
   Shared auth layout and helpers layered on top of the core design system.
   ========================================================= */

.nx-auth {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(320px, 1.1fr) minmax(380px, 0.9fr);
    background:
        radial-gradient(circle at top left, rgba(18, 135, 110, 0.14), transparent 30%),
        linear-gradient(135deg, #f7faf9 0%, #eef6f3 48%, #ffffff 100%);
}

.nx-auth__hero {
    position: relative;
    overflow: hidden;
    padding: clamp(2rem, 4vw, 4rem);
    display: flex;
    align-items: flex-end;
}

.nx-auth__hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(160deg, rgba(14, 116, 144, 0.9), rgba(18, 135, 110, 0.85)),
        linear-gradient(45deg, rgba(255, 255, 255, 0.12), transparent 45%);
}

.nx-auth__hero-panel {
    position: relative;
    z-index: 1;
    max-width: 560px;
    color: #fff;
    display: flex;
    flex-direction: column;
    gap: var(--nx-sp-5);
}

.nx-auth__logo {
    width: 160px;
    height: auto;
}

.nx-auth__eyebrow {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    font-size: var(--nx-text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nx-auth__eyebrow--primary {
    background: var(--nx-primary-50);
    color: var(--nx-primary-700);
}

.nx-auth__eyebrow--warning {
    background: var(--nx-warning-50);
    color: var(--nx-warning-700);
}

.nx-auth__hero h1 {
    font-size: clamp(2.25rem, 5vw, 4rem);
    line-height: 1;
    letter-spacing: -0.04em;
}

.nx-auth__hero p {
    max-width: 48ch;
    font-size: var(--nx-text-base);
    color: rgba(255, 255, 255, 0.85);
}

.nx-auth__highlights {
    display: grid;
    gap: var(--nx-sp-3);
}

.nx-auth__highlight {
    display: flex;
    align-items: flex-start;
    gap: var(--nx-sp-3);
    padding: var(--nx-sp-4);
    border-radius: var(--nx-radius-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(6px);
}

.nx-auth__highlight strong {
    display: block;
    margin-bottom: 4px;
}

.nx-auth__panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1.5rem, 3vw, 3rem);
}

.nx-auth__card {
    width: min(100%, 480px);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 28px;
    box-shadow: 0 24px 70px rgba(15, 23, 42, 0.1);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    display: flex;
    flex-direction: column;
    gap: var(--nx-sp-6);
}

.nx-auth__header {
    display: flex;
    flex-direction: column;
    gap: var(--nx-sp-2);
}

.nx-auth__header h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.1;
    color: var(--nx-gray-900);
}

.nx-auth__header p {
    color: var(--nx-gray-500);
    font-size: var(--nx-text-sm);
}

.nx-auth__stack {
    display: flex;
    flex-direction: column;
    gap: var(--nx-sp-4);
}

.nx-auth__footer {
    font-size: var(--nx-text-sm);
    color: var(--nx-gray-500);
}

/* ---------------------------------------------------------
   1. AUTH LAYOUT
   --------------------------------------------------------- */
.nx-auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--nx-bg-page);
    padding: var(--nx-sp-4);
}

.nx-auth-container {
    width: 100%;
    max-width: 480px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* ---------------------------------------------------------
   2. AUTH BRAND
   --------------------------------------------------------- */
.nx-auth-brand {
    text-align: center;
    margin-bottom: var(--nx-sp-8);
}

.nx-auth-brand__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--nx-sp-3);
    margin-bottom: var(--nx-sp-4);
}

.nx-auth-brand__icon {
    width: 48px;
    height: 48px;
    background: var(--nx-primary-600);
    border-radius: var(--nx-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: var(--nx-text-xl);
    color: #fff;
}

.nx-auth-brand__name {
    font-size: var(--nx-text-2xl);
    font-weight: 700;
    color: var(--nx-gray-900);
}

.nx-auth-brand__tagline {
    font-size: var(--nx-text-sm);
    color: var(--nx-gray-500);
}

/* ---------------------------------------------------------
   3. AUTH CARD
   --------------------------------------------------------- */
.nx-auth-card {
    width: 100%;
    background: var(--nx-bg-card);
    border-radius: var(--nx-radius-lg);
    box-shadow: var(--nx-shadow-md);
    border: 1px solid var(--nx-gray-100);
    overflow: hidden;
}

.nx-auth-card__header {
    padding: var(--nx-sp-6) var(--nx-sp-6) var(--nx-sp-5);
    text-align: center;
    border-bottom: 1px solid var(--nx-gray-100);
}

.nx-auth-card__title {
    font-size: var(--nx-text-xl);
    font-weight: 700;
    color: var(--nx-gray-900);
    margin-bottom: var(--nx-sp-1);
}

.nx-auth-card__subtitle {
    font-size: var(--nx-text-sm);
    color: var(--nx-gray-500);
}

.nx-auth-card__body {
    padding: var(--nx-sp-6);
}

.nx-auth-card__footer {
    padding: var(--nx-sp-5) var(--nx-sp-6);
    border-top: 1px solid var(--nx-gray-100);
    text-align: center;
}

/* ---------------------------------------------------------
   4. AUTH FORM ELEMENTS
   --------------------------------------------------------- */
.nx-auth-input-group {
    margin-bottom: var(--nx-sp-4);
}

.nx-auth-input-group label {
    display: block;
    font-size: var(--nx-text-sm);
    font-weight: 500;
    color: var(--nx-gray-700);
    margin-bottom: var(--nx-sp-1);
}

.nx-auth-input {
    width: 100%;
    padding: var(--nx-sp-3) var(--nx-sp-4);
    border: 1px solid var(--nx-gray-300);
    border-radius: var(--nx-radius-sm);
    font-size: var(--nx-text-sm);
    font-family: var(--nx-font-sans);
    color: var(--nx-gray-900);
    background: #fff;
    transition: all var(--nx-transition-fast);
}

.nx-auth-input:focus {
    outline: none;
    border-color: var(--nx-primary-400);
    box-shadow: 0 0 0 3px var(--nx-primary-100);
}

.nx-auth-input--error {
    border-color: var(--nx-danger-500);
}

.nx-auth-input--error:focus {
    box-shadow: 0 0 0 3px var(--nx-danger-100);
}

.nx-auth-input-icon {
    position: relative;
}

.nx-auth-input-icon .nx-auth-input {
    padding-left: 40px;
}

.nx-auth-input-icon svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--nx-gray-400);
    pointer-events: none;
}

.nx-auth-input-help {
    font-size: var(--nx-text-xs);
    color: var(--nx-gray-500);
    margin-top: var(--nx-sp-1);
}

.nx-auth-input-error {
    font-size: var(--nx-text-xs);
    color: var(--nx-danger-500);
    margin-top: var(--nx-sp-1);
}

/* ---------------------------------------------------------
   5. AUTH ACTIONS
   --------------------------------------------------------- */
.nx-auth-actions {
    display: flex;
    flex-direction: column;
    gap: var(--nx-sp-3);
    margin-top: var(--nx-sp-6);
}

.nx-auth-actions .nx-btn {
    width: 100%;
    justify-content: center;
    padding: var(--nx-sp-3) var(--nx-sp-5);
    font-size: var(--nx-text-sm);
    font-weight: 600;
}

.nx-auth-actions .nx-btn--primary {
    background: var(--nx-primary-600);
    color: #fff;
}

.nx-auth-actions .nx-btn--primary:hover {
    background: var(--nx-primary-700);
}

.nx-auth-actions .nx-btn--outline {
    background: transparent;
    border-color: var(--nx-gray-300);
    color: var(--nx-gray-700);
}

.nx-auth-actions .nx-btn--outline:hover {
    background: var(--nx-gray-50);
}

/* ---------------------------------------------------------
   6. AUTH LINKS & OPTIONS
   --------------------------------------------------------- */
.nx-auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--nx-sp-4);
}

.nx-auth-remember {
    display: flex;
    align-items: center;
    gap: var(--nx-sp-2);
    font-size: var(--nx-text-sm);
    color: var(--nx-gray-600);
    cursor: pointer;
}

.nx-auth-remember input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--nx-primary-600);
    cursor: pointer;
}

.nx-auth-forgot {
    font-size: var(--nx-text-sm);
    color: var(--nx-primary-600);
    font-weight: 500;
}

.nx-auth-forgot:hover {
    color: var(--nx-primary-700);
    text-decoration: underline;
}

.nx-auth-divider {
    display: flex;
    align-items: center;
    gap: var(--nx-sp-3);
    margin: var(--nx-sp-5) 0;
}

.nx-auth-divider::before,
.nx-auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--nx-gray-200);
}

.nx-auth-divider span {
    font-size: var(--nx-text-xs);
    color: var(--nx-gray-400);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.nx-auth-link {
    text-align: center;
    font-size: var(--nx-text-sm);
    color: var(--nx-gray-500);
}

.nx-auth-link a {
    color: var(--nx-primary-600);
    font-weight: 600;
}

.nx-auth-link a:hover {
    color: var(--nx-primary-700);
    text-decoration: underline;
}

/* ---------------------------------------------------------
   7. OTP INPUT
   --------------------------------------------------------- */
.nx-otp-input {
    display: flex;
    gap: var(--nx-sp-2);
    justify-content: center;
    margin: var(--nx-sp-5) 0;
}

.nx-otp-input input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: var(--nx-text-2xl);
    font-weight: 700;
    border: 2px solid var(--nx-gray-200);
    border-radius: var(--nx-radius-md);
    color: var(--nx-gray-900);
    transition: all var(--nx-transition-fast);
}

.nx-otp-input input:focus {
    outline: none;
    border-color: var(--nx-primary-500);
    box-shadow: 0 0 0 3px var(--nx-primary-100);
}

.nx-otp-input input:disabled {
    background: var(--nx-gray-100);
    color: var(--nx-gray-400);
}

/* ---------------------------------------------------------
   8. PASSWORD STRENGTH
   --------------------------------------------------------- */
.nx-password-strength {
    margin-top: var(--nx-sp-2);
}

.nx-password-strength__bar {
    height: 4px;
    background: var(--nx-gray-200);
    border-radius: var(--nx-radius-full);
    overflow: hidden;
    margin-bottom: var(--nx-sp-1);
}

.nx-password-strength__fill {
    height: 100%;
    border-radius: var(--nx-radius-full);
    transition: width var(--nx-transition-normal), background var(--nx-transition-normal);
    width: 0;
}

.nx-password-strength__fill--weak {
    width: 25%;
    background: var(--nx-danger-500);
}

.nx-password-strength__fill--fair {
    width: 50%;
    background: var(--nx-warning-500);
}

.nx-password-strength__fill--good {
    width: 75%;
    background: var(--nx-info-500);
}

.nx-password-strength__fill--strong {
    width: 100%;
    background: var(--nx-success-500);
}

.nx-password-strength__text {
    font-size: var(--nx-text-xs);
    color: var(--nx-gray-500);
}

/* ---------------------------------------------------------
   9. ALERTS (for auth feedback)
   --------------------------------------------------------- */
.nx-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--nx-sp-3);
    padding: var(--nx-sp-3) var(--nx-sp-4);
    border-radius: var(--nx-radius-sm);
    font-size: var(--nx-text-sm);
    margin-bottom: var(--nx-sp-4);
}

.nx-alert svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.nx-alert--success {
    background: var(--nx-success-50);
    color: var(--nx-success-700);
    border: 1px solid var(--nx-success-100);
}

.nx-alert--error {
    background: var(--nx-danger-50);
    color: var(--nx-danger-700);
    border: 1px solid var(--nx-danger-100);
}

.nx-alert--warning {
    background: var(--nx-warning-50);
    color: var(--nx-warning-600);
    border: 1px solid var(--nx-warning-100);
}

.nx-alert--info {
    background: var(--nx-info-50);
    color: var(--nx-info-600);
    border: 1px solid var(--nx-info-100);
}

/* ---------------------------------------------------------
   10. RESPONSIVE
   --------------------------------------------------------- */
@media (max-width: 480px) {
    .nx-auth {
        grid-template-columns: 1fr;
    }

    .nx-auth__hero {
        min-height: 360px;
        align-items: center;
    }

    .nx-auth__panel {
        padding: var(--nx-sp-4);
    }

    .nx-auth__card {
        border-radius: 20px;
        padding: var(--nx-sp-5);
    }

    .nx-auth-card__body {
        padding: var(--nx-sp-5);
    }

    .nx-auth-card__header {
        padding: var(--nx-sp-5) var(--nx-sp-5) var(--nx-sp-4);
    }

    .nx-otp-input input {
        width: 40px;
        height: 48px;
        font-size: var(--nx-text-xl);
    }

    .nx-auth-options {
        flex-direction: column;
        gap: var(--nx-sp-2);
        align-items: flex-start;
    }
}