/**
 * Responsive Auth Styles
 * Breakpoints: 480px, 576px, 768px, 992px
 */

/* Mobile First - Base is mobile styles */

/* Tablet (576px and up) */
@media (min-width: 576px) {
    .auth-container {
        padding: var(--spacing-xl);
        justify-content: center;
        align-items: center;
    }

    .auth-header {
        margin-bottom: var(--spacing-xl);
        padding-top: var(--spacing-lg);
    }

    .auth-card {
        max-width: 480px;
    }

    .auth-body {
        padding: 40px 35px;
    }

    .auth-footer {
        padding: var(--spacing-lg) 35px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        height: 48px;
    }

    .modal-dialog {
        width: 90%;
        max-width: 500px;
    }
}

/* Large Tablet / Small Desktop (768px and up) */
@media (min-width: 768px) {
    .auth-header {
        margin-bottom: var(--spacing-2xl);
        padding-top: var(--spacing-2xl);
    }

    .auth-header h1 {
        font-size: var(--font-size-4xl);
    }

    .auth-header > p {
        font-size: var(--font-size-lg);
    }

    .auth-body {
        padding: var(--spacing-2xl) 40px;
    }

    .modal-footer .btn {
        min-width: 150px;
    }
}

/* Desktop (992px and up) */
@media (min-width: 992px) {
    .auth-container {
        padding: var(--spacing-xl);
        justify-content: center;
        align-items: center;
    }

    .auth-card {
        max-width: 500px;
        width: 100%;
        margin: 0 auto;
    }
}

/**
 * Mobile specific (< 576px)
 */
@media (max-width: 575.98px) {
    .auth-container {
        padding: var(--spacing-md);
        justify-content: center;
        padding-top: var(--spacing-md);
        padding-bottom: var(--spacing-md);
    }

    .auth-header {
        margin-bottom: var(--spacing-lg);
        padding-top: 0;
    }

    .auth-header .eyebrow {
        font-size: 11px;
    }

    .auth-header h1 {
        font-size: var(--font-size-2xl);
    }

    .auth-header > p {
        font-size: var(--font-size-base);
    }

    .auth-card {
        max-width: 100%;
        border-radius: var(--radius-md);
    }

    .auth-body {
        padding: 25px 20px;
    }

    .auth-footer {
        padding: 20px 20px;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-group label {
        font-size: var(--font-size-base);
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        height: 44px;
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .form-group input::placeholder,
    .form-group select::placeholder,
    .form-group textarea::placeholder {
        font-size: 14px;
    }

    .help-text {
        font-size: 11px;
    }

    .phone-prefix {
        padding: 0 10px;
        font-size: var(--font-size-sm);
    }

    .phone-input-wrapper input {
        padding: 0 10px;
    }

    .btn {
        height: 44px;
        font-size: var(--font-size-base);
        padding: 0 var(--spacing-md);
    }

    .divider {
        margin: var(--spacing-lg) 0;
    }

    .section-title {
        font-size: var(--font-size-lg);
        margin-top: var(--spacing-lg);
    }

    .checkbox-wrapper {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .checkbox-wrapper input[type="checkbox"] {
        width: 18px;
        height: 18px;
    }

    .back-to-home {
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }

    .back-to-home a {
        font-size: var(--font-size-sm);
    }

    /* Modal adjustments for mobile */
    .modal-dialog {
        width: 95%;
        margin: 20px;
        max-width: 90vw;
    }

    .modal-header {
        padding: var(--spacing-md);
    }

    .modal-header h2 {
        font-size: var(--font-size-lg);
    }

    .modal-body {
        padding: var(--spacing-md);
    }

    .modal-footer {
        padding: var(--spacing-md);
        flex-direction: column-reverse;
        gap: 10px;
    }

    .modal-footer .btn {
        width: 100%;
        min-width: unset;
        height: auto;
        min-height: 44px;
        padding-top: 12px;
        padding-bottom: 12px;
    }

    .modal-footer .btn-secondary {
        width: 100%;
    }

    /* OTP Input for mobile */
    .otp-input {
        height: 50px;
        font-size: 28px;
        letter-spacing: 12px;
        margin: var(--spacing-md) 0 !important;
    }

    .resend-section {
        font-size: 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 5px;
    }

    .resend-btn {
        margin: 0;
    }

    .resend-timer {
        margin-left: 0;
    }

    /* Toast for mobile */
    #toast-stack {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        left: var(--spacing-md);
    }

    .toast {
        max-width: 100%;
    }
}

/**
 * Extra small screens (< 480px)
 */
@media (max-width: 479.98px) {
    .auth-header {
        padding-top: var(--spacing-md);
        margin-bottom: var(--spacing-lg);
    }

    .auth-header h1 {
        font-size: 20px;
    }

    .auth-header > p {
        font-size: var(--font-size-sm);
    }

    .auth-body {
        padding: 20px 16px;
    }

    .auth-footer {
        padding: 16px;
    }

    .auth-footer p,
    .auth-footer a {
        font-size: 12px;
    }

    .form-group {
        margin-bottom: 16px;
    }

    .form-group label {
        font-size: var(--font-size-base);
    }

    .btn {
        height: 40px;
        font-size: 14px;
    }

    .section-title {
        font-size: 14px;
        margin-top: 20px;
    }

    .optional-badge {
        font-size: 10px;
        padding: 2px 6px;
    }

    .modal-footer .btn {
        padding-top: 11px;
        padding-bottom: 11px;
        min-height: 42px;
    }
}

/**
 * Landscape & Touch Device Adjustments
 */
@media (max-height: 600px) and (orientation: landscape) {
    .auth-container {
        min-height: auto;
        padding: var(--spacing-md);
    }

    .auth-header {
        margin-bottom: var(--spacing-md);
        padding-top: 0;
    }

    .auth-header h1 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-sm);
    }

    .auth-header > p {
        font-size: var(--font-size-sm);
    }

    .auth-body {
        padding: var(--spacing-md);
    }

    .auth-footer {
        padding: var(--spacing-md);
    }

    .back-to-home {
        margin-top: var(--spacing-sm);
        margin-bottom: 0;
    }
}

/**
 * High DPI Screens (Retina)
 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .auth-card {
        box-shadow: var(--shadow-lg);
    }

    .modal-dialog {
        box-shadow: var(--shadow-lg);
    }
}

/**
 * Reduced Motion
 */
@media (prefers-reduced-motion: reduce) {
    .modal,
    .modal-dialog,
    .btn,
    .toast,
    .btn.loading::after {
        animation: none;
        transition: none;
    }
}

/* ============================================
   Split Layout Responsive
   ============================================ */

/* Tablet landscape and up: shrink quote font */
@media (max-width: 1100px) {
    .auth-split-left {
        flex: 0 0 42%;
        padding: 32px;
    }

    .auth-split-quote h2 {
        font-size: 38px;
    }

    .auth-split-right-inner {
        max-width: 380px;
    }
}

/* Tablet portrait: collapse to single column, hide left panel */
@media (max-width: 768px) {
    .auth-split-body {
        height: auto;
        overflow: auto;
    }

    .auth-split-layout {
        flex-direction: column;
        height: auto;
        min-height: 100vh;
    }

    .auth-split-left {
        flex: 0 0 auto;
        height: auto;
        min-height: 220px;
        position: relative;
        top: auto;
        padding: 28px 24px;
        justify-content: flex-end;
    }

    .auth-split-right {
        height: auto;
        overflow-y: visible;
    }

    .auth-split-quote h2 {
        font-size: 28px;
    }

    .auth-split-quote p {
        display: none;
    }

    .auth-split-right {
        flex: 1;
        padding: 36px 24px;
        align-items: flex-start;
        justify-content: center;
    }

    .auth-split-right-inner {
        max-width: 100%;
    }

    .auth-split-logo {
        justify-content: flex-start;
        margin-bottom: 24px;
    }

    .auth-split-heading {
        margin-bottom: 24px;
    }

    .auth-split-heading h1 {
        font-size: 28px;
    }
}

/* Mobile: tighter spacing */
@media (max-width: 480px) {
    .auth-split-left {
        min-height: 180px;
        padding: 20px;
    }

    .auth-split-badge span {
        font-size: 10px;
    }

    .auth-split-quote h2 {
        font-size: 24px;
        margin-bottom: 0;
    }

    .auth-split-right {
        padding: 28px 20px;
    }

    .auth-split-heading h1 {
        font-size: 24px;
    }
}