/* ==========================================================================
   CAHUTEC SSO — Untitled UI Split-Screen Design System
   High-Fidelity Modern SaaS / Product Authentication
   ========================================================================== */

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

    /* Untitled UI Color Tokens */
    --uui-primary-700: #2d31a6;
    --uui-primary-600: #3538cd;
    --uui-primary-500: #444ce7;
    --uui-primary-50:  #eef4ff;

    --uui-gray-950: #0c111d;
    --uui-gray-900: #101828;
    --uui-gray-800: #1d2939;
    --uui-gray-700: #344054;
    --uui-gray-600: #475467;
    --uui-gray-500: #667085;
    --uui-gray-400: #98a2b3;
    --uui-gray-300: #d0d5dd;
    --uui-gray-200: #eaecf0;
    --uui-gray-100: #f2f4f7;
    --uui-gray-50:  #f9fafb;

    --uui-success-600: #039855;
    --uui-success-50:  #ecfdf3;
    --uui-error-600:   #d92d20;
    --uui-error-50:    #fef3f2;
}

html, body {
    font-family: var(--font-sans);
    color: var(--uui-gray-700);
    background-color: #ffffff;
    margin: 0;
    padding: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
/* ==========================================================================
   Split-Screen Layout Architecture (50/50 Edge-to-Edge)
   ========================================================================== */
.uui-split-screen {
    min-height: 100vh;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

@media (min-width: 992px) {
    .uui-split-screen {
        flex-direction: row;
        height: 100vh;
        overflow: hidden;
    }
}

/* Left Column: Image Showcase (50% width & 100% height) */
.sso-image-column {
    display: none;
    width: 100%;
    position: relative;
    background-color: #ffffff;
}

@media (min-width: 992px) {
    .sso-image-column {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        width: 50%;
        flex: 0 0 50%;
        max-width: 50%;
        height: 100vh;
        padding: 2.5rem 3rem;
        border-right: 2px dashed var(--uui-gray-300);
        overflow: hidden;
    }
}

.sso-hero-brand-logo {
    max-height: 52px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.sso-hero-brand-logo:hover {
    transform: scale(1.03);
    opacity: 0.9;
}

.sso-hero-image {
    max-width: 90%;
    max-height: 68vh;
    object-fit: contain;
}

/* Right Column: Interaction & Form (50% width & 100% height) */
.sso-form-column {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.75rem 1.5rem;
    overflow-y: auto;
    background-color: #ffffff;
}

@media (min-width: 992px) {
    .sso-form-column {
        width: 50%;
        flex: 0 0 50%;
        max-width: 50%;
        height: 100vh;
        padding: 2.5rem 4rem;
    }
}

@media (min-width: 1400px) {
    .sso-form-column {
        padding: 3rem 5.5rem;
    }
}

/* Top Bar: Brand and Go Back */
.uui-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-bottom: 2rem;
}

.uui-header-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    transition: opacity 0.15s ease, transform 0.15s ease;
}

.uui-header-logo:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

.uui-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--uui-gray-900);
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.uui-brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--uui-gray-900) 0%, #1f2937 100%);
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 2px 4px rgba(16, 24, 40, 0.1);
}

.uui-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--uui-gray-600);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.15s ease;
}

.uui-back-link:hover {
    color: var(--uui-gray-900);
}

/* Form Container */
.uui-form-box {
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
}

.uui-title {
    font-size: 1.95rem;
    font-weight: 700;
    color: var(--uui-gray-900);
    letter-spacing: -0.025em;
    line-height: 1.25;
    margin-bottom: 0.5rem;
}

.uui-subtitle {
    font-size: 0.95rem;
    color: var(--uui-gray-600);
    line-height: 1.5;
    margin-bottom: 1.75rem;
}

/* Form Inputs & Labels */
.uui-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--uui-gray-700);
    margin-bottom: 0.375rem;
}

.uui-input {
    width: 100%;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--uui-gray-900);
    background-color: #ffffff;
    border: 1px solid var(--uui-gray-300);
    border-radius: 8px;
    padding: 0.65rem 0.875rem;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    outline: none;
}

.uui-input:focus {
    border-color: var(--uui-primary-500);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--uui-primary-500) 22%, transparent);
}

.uui-input::placeholder {
    color: var(--uui-gray-400);
}

/* ==========================================================================
   Unified Project Checkbox Styles (Untitled UI standard)
   ========================================================================== */
.form-check {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding-left: 0 !important;
    margin-bottom: 0 !important;
    min-height: auto;
}

.form-check .form-check-input,
.uui-checkbox {
    width: 1.125rem !important;
    height: 1.125rem !important;
    min-width: 1.125rem;
    min-height: 1.125rem;
    max-width: 1.125rem;
    max-height: 1.125rem;
    margin: 0 !important;
    float: none !important;
    border: 1px solid var(--uui-gray-300) !important;
    border-radius: 4px !important;
    background-color: #ffffff;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
    transition: all 0.15s ease-in-out;
    flex-shrink: 0;
}

.form-check .form-check-input:hover,
.uui-checkbox:hover {
    border-color: var(--uui-gray-400) !important;
    background-color: var(--uui-gray-50);
}

.form-check .form-check-input:focus,
.uui-checkbox:focus {
    border-color: var(--uui-primary-600) !important;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--uui-primary-500) 22%, transparent) !important;
    outline: none !important;
}

.form-check .form-check-input:checked,
.uui-checkbox:checked {
    background-color: var(--uui-primary-600) !important;
    border-color: var(--uui-primary-600) !important;
}

.form-check-label,
.uui-checkbox-label {
    font-size: 0.875rem;
    color: var(--uui-gray-600);
    margin: 0 !important;
    cursor: pointer;
    user-select: none;
    line-height: 1.4;
}

.form-check-label a {
    color: var(--uui-primary-600);
    text-decoration: none;
}

.form-check-label a:hover {
    text-decoration: underline;
}

/* Action Buttons */
.uui-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.65rem 1.15rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #ffffff;
    background-color: var(--uui-primary-600);
    border: 1px solid var(--uui-primary-600);
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease-in-out;
}

.uui-btn-primary:hover,
.uui-btn-primary:focus {
    background-color: var(--uui-primary-700);
    border-color: var(--uui-primary-700);
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(16, 24, 40, 0.1);
}

.uui-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.65rem 1.15rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--uui-gray-700);
    background-color: #ffffff;
    border: 1px solid var(--uui-gray-300);
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease-in-out;
}

.uui-btn-secondary:hover,
.uui-btn-secondary:focus {
    background-color: var(--uui-gray-50);
    color: var(--uui-gray-900);
    border-color: var(--uui-gray-400);
}

/* Divider with 'or' */
.uui-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--uui-gray-500);
    font-size: 0.85rem;
    font-weight: 500;
    margin: 1.25rem 0;
}

.uui-divider::before,
.uui-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--uui-gray-200);
}

.uui-divider span {
    padding: 0 0.75rem;
}

.uui-link-bold {
    color: var(--uui-gray-900);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.15s ease;
}

.uui-link-bold:hover {
    color: var(--uui-primary-600);
}

/* Footer of the Auth Pane */
.uui-footer-links {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--uui-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--uui-gray-500);
}

.uui-footer-links a {
    color: var(--uui-gray-500);
    text-decoration: none;
    transition: color 0.15s ease;
}

.uui-footer-links a:hover {
    color: var(--uui-gray-900);
}

/* ==========================================================================
   Right Section: Visual Showcase (Fluid Ribbon + Floating Card)
   ========================================================================== */
/* Visual Showcase Pane (50%) */
.uui-showcase-pane {
    display: none;
    width: 100%;
    position: relative;
    padding: 1.25rem;
}

@media (min-width: 992px) {
    .uui-showcase-pane {
        display: flex;
        width: 50%;
        flex: 0 0 50%;
        max-width: 50%;
        padding: 1.5rem;
    }
}

@media (min-width: 1400px) {
    .uui-showcase-pane {
        padding: 2rem;
    }
}

.uui-showcase-canvas {
    width: 100%;
    height: 100%;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2.5rem 2rem 2rem;
    background: #f8fafc;
    border: 1px solid var(--uui-gray-200);
    box-shadow: 0 4px 20px rgba(16, 24, 40, 0.04);
}

.uui-illustration-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 1rem 0;
}

.uui-illustration-img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 6px 16px rgba(16, 24, 40, 0.05));
    transition: transform 0.3s ease;
}

.uui-pill-badge-light {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: #eff8ff;
    border: 1px solid #b2ddff;
    color: #175cd3;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
}

.uui-showcase-title-dark {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: var(--uui-gray-900);
}

.uui-showcase-desc-dark {
    font-size: 0.9rem;
    color: var(--uui-gray-600);
    line-height: 1.55;
    margin-bottom: 0;
}

/* Floating Glassmorphism Integration Card */
.uui-floating-card {
    position: relative;
    z-index: 5;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    box-shadow: 
        0 20px 45px -10px rgba(12, 17, 29, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.6);
    padding: 1.75rem 1.85rem;
    max-width: 440px;
    margin: auto auto 2rem;
    animation: uuiFloat 6s ease-in-out infinite alternate;
}

@keyframes uuiFloat {
    0% { transform: translateY(0px); }
    100% { transform: translateY(-8px); }
}

.uui-connect-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.uui-connect-logo-badge {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 4px 10px rgba(16, 24, 40, 0.12);
    border: 1px solid var(--uui-gray-200);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.uui-connect-arrow {
    color: var(--uui-gray-400);
    font-size: 1.15rem;
}

.uui-floating-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--uui-gray-900);
    text-align: center;
    margin-bottom: 0.35rem;
    letter-spacing: -0.015em;
}

.uui-floating-desc {
    font-size: 0.8125rem;
    color: var(--uui-gray-600);
    text-align: center;
    line-height: 1.45;
    margin-bottom: 1.25rem;
}

.uui-permissions-box {
    border-top: 1px solid var(--uui-gray-200);
    padding-top: 1rem;
    margin-bottom: 1.25rem;
}

.uui-permissions-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--uui-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.65rem;
}

.uui-permissions-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.uui-permission-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--uui-gray-700);
}

.uui-permission-item i {
    color: var(--uui-primary-600);
    font-size: 0.9rem;
    margin-top: 0.05rem;
}

.uui-floating-actions {
    display: flex;
    gap: 0.65rem;
}

.uui-floating-actions .uui-btn-secondary {
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
}

.uui-floating-actions .uui-btn-primary {
    padding: 0.45rem 0.85rem;
    font-size: 0.8125rem;
}

/* Bottom Announcement on Showcase */
.uui-showcase-bottom {
    position: relative;
    z-index: 5;
    text-align: center;
    color: #ffffff;
    max-width: 480px;
    margin: 0 auto;
}

.uui-pill-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
}

.uui-showcase-title {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: #ffffff;
}

.uui-showcase-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

/* Carousel dots */
.uui-carousel-nav {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
}

.uui-carousel-arrow {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1.15rem;
    cursor: pointer;
    text-decoration: none;
    transition: color 0.15s ease;
}

.uui-carousel-arrow:hover {
    color: #ffffff;
}

.uui-carousel-dots {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.uui-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
}

.uui-dot.active {
    width: 22px;
    border-radius: 4px;
    background: #ffffff;
}

/* Alerts */
.alert {
    border-radius: 8px;
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
    border: 1px solid transparent;
}

.alert-danger {
    background-color: var(--uui-error-50);
    border-color: #fecdca;
    color: var(--uui-error-600);
}

.alert-success {
    background-color: var(--uui-success-50);
    border-color: #a6f4c5;
    color: var(--uui-success-600);
}

.alert-info {
    background-color: var(--uui-primary-50);
    border-color: #c7d7fe;
    color: var(--uui-primary-600);
}