/* ============================================================================
   LOGIN - NEAR-BANK-GRADE DESIGN
   ============================================================================
   Version: 2.0.0
   Enterprise Authentication UI - FAANG Quality
   Matches xDocket Design System
   ============================================================================ */

/* ============================================================================
   1. CSS VARIABLES & DESIGN TOKENS
   ============================================================================ */
:root {
    /* Brand Colors - Match xDocket Design System */
    --login-primary: #007AFF;
    --login-primary-dark: #0051D5;
    --login-primary-light: #E6F2FF;
    --login-secondary: #5856D6;
    --login-success: #34C759;
    --login-danger: #FF3B30;
    --login-warning: #FF9500;
    /* Neutrals */
    --login-white: #FFFFFF;
    --login-gray-50: #FAFBFC;
    --login-gray-100: #F8F9FA;
    --login-gray-200: #E9ECEF;
    --login-gray-300: #DEE2E6;
    --login-gray-600: #6C757D;
    --login-gray-900: #212529;
    /* Spacing System */
    --login-spacing-xs: 0.5rem;
    --login-spacing-sm: 1rem;
    --login-spacing-md: 1.5rem;
    --login-spacing-lg: 2rem;
    --login-spacing-xl: 3rem;
    --login-spacing-xxl: 4rem;
    /* Typography */
    --login-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --login-font-size-xs: 0.75rem;
    --login-font-size-sm: 0.875rem;
    --login-font-size-base: 1rem;
    --login-font-size-lg: 1.125rem;
    --login-font-size-xl: 1.5rem;
    --login-font-size-xxl: 2rem;
    /* Border Radius */
    --login-radius-sm: 8px;
    --login-radius-md: 12px;
    --login-radius-lg: 16px;
    --login-radius-full: 9999px;
    /* Shadows */
    --login-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --login-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --login-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --login-shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.15);
    /* Transitions */
    --login-transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --login-transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --login-transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    /* Layout Dimensions */
    --login-split-ratio: 45%; /* Left panel width */
    --login-form-max-width: 440px;
    --login-brand-panel-padding: var(--login-spacing-xxl);
}

/* ============================================================================
   2. RESET & BASE STYLES
   ============================================================================ */

/* Remove default content-wrapper centering for login page */
.login-page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: row;
    overflow: hidden;
    background: var(--login-white);
    font-family: var(--login-font-family);
}

    /* Override any existing login-form styles */
    .login-page-wrapper .content-wrapper,
    .login-page-wrapper .content-inner,
    .login-page-wrapper .content {
        display: block;
        min-height: auto;
        padding: 0;
        margin: 0;
        background: transparent;
    }

/* ============================================================================
   3. SPLIT-SCREEN LAYOUT
   ============================================================================ */

/* Left Panel - Brand & Visual */
.login-brand-panel {
    flex: 0 0 var(--login-split-ratio);
    background: linear-gradient(135deg, var(--login-primary) 0%, var(--login-secondary) 100%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: var(--login-brand-panel-padding);
    color: var(--login-white);
    position: relative;
    overflow: hidden;
}

    /* Animated background pattern */
    .login-brand-panel::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
        background-size: 50px 50px;
        animation: floatPattern 60s linear infinite;
        pointer-events: none;
    }

@keyframes floatPattern {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

/* Brand header */
.login-brand-header {
    position: relative;
    z-index: 2;
}

.login-brand-logo {
    display: flex;
    align-items: center;
    gap: var(--login-spacing-sm);
    margin-bottom: var(--login-spacing-lg);
}

    .login-brand-logo img {
        height: 48px;
        width: auto;
        filter: brightness(0) invert(1);
    }

.login-brand-logo-text {
    font-size: var(--login-font-size-xxl);
    font-weight: 700;
    color: var(--login-white);
}

/* Visual content area */
.login-brand-visual {
    position: relative;
    z-index: 2;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--login-spacing-xl) 0;
}

.login-visual-illustration {
    max-width: 100%;
    text-align: center;
}

/* Legal-themed icons */
.login-icon-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--login-spacing-lg);
    margin: var(--login-spacing-xl) 0;
}

.login-icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--login-spacing-xs);
    padding: var(--login-spacing-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--login-radius-md);
    transition: transform var(--login-transition-normal);
}

    .login-icon-item:hover {
        transform: translateY(-4px);
    }

    .login-icon-item i {
        font-size: 2.5rem;
        color: var(--login-white);
    }

.login-icon-label {
    font-size: var(--login-font-size-sm);
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* Trust indicators */
.login-brand-footer {
    position: relative;
    z-index: 2;
}

.login-trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--login-spacing-md);
    align-items: center;
    padding: var(--login-spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.login-trust-badge {
    display: flex;
    align-items: center;
    gap: var(--login-spacing-xs);
    font-size: var(--login-font-size-sm);
    color: rgba(255, 255, 255, 0.9);
}

    .login-trust-badge i {
        font-size: var(--login-font-size-lg);
    }

.login-stats {
    margin-top: var(--login-spacing-md);
    font-size: var(--login-font-size-lg);
    font-weight: 600;
}

.login-stats-number {
    font-size: var(--login-font-size-xxl);
    font-weight: 700;
    color: var(--login-white);
}

/* Right Panel - Form */
.login-form-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--login-spacing-xl);
    background: var(--login-white);
    overflow-y: auto;
}

.login-form-container {
    width: 100%;
    max-width: var(--login-form-max-width);
}

/* ============================================================================
   4. FORM STYLING
   ============================================================================ */

/* Form header */
.login-form-header {
    text-align: center;
    margin-bottom: var(--login-spacing-xl);
}

.login-form-title {
    font-size: var(--login-font-size-xxl);
    font-weight: 700;
    color: var(--login-gray-900);
    margin-bottom: var(--login-spacing-xs);
}

.login-form-subtitle {
    font-size: var(--login-font-size-base);
    color: var(--login-gray-600);
}

/* Security notice */
.login-security-notice {
    display: flex;
    align-items: flex-start;
    gap: var(--login-spacing-sm);
    padding: var(--login-spacing-md);
    background: var(--login-warning);
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
    border-left: 4px solid var(--login-warning);
    border-radius: var(--login-radius-sm);
    margin-bottom: var(--login-spacing-lg);
}

    .login-security-notice i {
        font-size: var(--login-font-size-lg);
        color: var(--login-warning);
        flex-shrink: 0;
    }

.login-security-notice-text {
    font-size: var(--login-font-size-sm);
    color: var(--login-gray-900);
    line-height: 1.5;
}

/* Form groups */
.login-form-group {
    margin-bottom: var(--login-spacing-lg);
}

.login-form-label {
    display: block;
    font-size: var(--login-font-size-sm);
    font-weight: 600;
    color: var(--login-gray-900);
    margin-bottom: var(--login-spacing-xs);
}

.login-form-label-required::after {
    content: '*';
    color: var(--login-danger);
    margin-left: 4px;
}

/* Input fields with icons */
.login-input-wrapper {
    position: relative;
}

.login-form-input {
    width: 100%;
    padding: var(--login-spacing-sm) var(--login-spacing-md);
    padding-left: calc(var(--login-spacing-md) + 28px);
    font-size: var(--login-font-size-base);
    color: var(--login-gray-900);
    background: var(--login-white);
    border: 2px solid var(--login-gray-300);
    border-radius: var(--login-radius-sm);
    transition: all var(--login-transition-fast);
    font-family: var(--login-font-family);
}

    .login-form-input:focus {
        outline: none;
        border-color: var(--login-primary);
        box-shadow: 0 0 0 4px var(--login-primary-light);
    }

    .login-form-input.error {
        border-color: var(--login-danger);
    }

        .login-form-input.error:focus {
            box-shadow: 0 0 0 4px rgba(255, 59, 48, 0.1);
        }

.login-input-icon {
    position: absolute;
    left: var(--login-spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-gray-600);
    font-size: var(--login-font-size-lg);
    pointer-events: none;
}

.login-form-input:focus ~ .login-input-icon {
    color: var(--login-primary);
}

/* Password strength indicator */
.login-password-strength {
    margin-top: var(--login-spacing-xs);
}

.login-strength-bar {
    height: 4px;
    background: var(--login-gray-200);
    border-radius: var(--login-radius-full);
    overflow: hidden;
    margin-bottom: var(--login-spacing-xs);
}

.login-strength-fill {
    height: 100%;
    width: 0%;
    background: var(--login-danger);
    transition: width var(--login-transition-normal), background var(--login-transition-normal);
}

    .login-strength-fill.weak {
        width: 33%;
        background: var(--login-danger);
    }

    .login-strength-fill.fair {
        width: 66%;
        background: var(--login-warning);
    }

    .login-strength-fill.strong {
        width: 100%;
        background: var(--login-success);
    }

.login-strength-text {
    font-size: var(--login-font-size-xs);
    font-weight: 600;
}

    .login-strength-text.weak {
        color: var(--login-danger);
    }

    .login-strength-text.fair {
        color: var(--login-warning);
    }

    .login-strength-text.strong {
        color: var(--login-success);
    }

/* Form row (remember me + forgot password) */
.login-form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--login-spacing-lg);
}

.login-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: var(--login-spacing-xs);
}

.login-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--login-primary);
}

.login-checkbox-label {
    font-size: var(--login-font-size-sm);
    color: var(--login-gray-900);
    cursor: pointer;
    user-select: none;
}

.login-forgot-link {
    font-size: var(--login-font-size-sm);
    color: var(--login-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--login-transition-fast);
}

    .login-forgot-link:hover {
        color: var(--login-primary-dark);
        text-decoration: underline;
    }

/* Primary button */
.login-btn-primary {
    width: 100%;
    padding: var(--login-spacing-md);
    font-size: var(--login-font-size-base);
    font-weight: 600;
    color: var(--login-white);
    background: var(--login-primary);
    border: none;
    border-radius: var(--login-radius-sm);
    cursor: pointer;
    transition: all var(--login-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--login-spacing-xs);
    position: relative;
    overflow: hidden;
}

    .login-btn-primary:hover {
        background: var(--login-primary-dark);
        transform: translateY(-1px);
        box-shadow: var(--login-shadow-md);
    }

    .login-btn-primary:active {
        transform: translateY(0);
    }

    .login-btn-primary:disabled {
        background: var(--login-gray-300);
        cursor: not-allowed;
        transform: none;
    }

    .login-btn-primary.loading::after {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        animation: shimmer 1.5s infinite;
    }

@keyframes shimmer {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* ============================================================================
   5. SECURITY FEATURES UI
   ============================================================================ */

/* MFA Progress indicator */
.login-mfa-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--login-spacing-sm);
    margin-bottom: var(--login-spacing-xl);
}

.login-progress-step {
    display: flex;
    align-items: center;
    gap: var(--login-spacing-xs);
    font-size: var(--login-font-size-sm);
    color: var(--login-gray-600);
}

.login-progress-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--login-gray-300);
    transition: all var(--login-transition-fast);
}

.login-progress-step.active .login-progress-dot {
    background: var(--login-primary);
    box-shadow: 0 0 0 4px var(--login-primary-light);
}

.login-progress-step.completed .login-progress-dot {
    background: var(--login-success);
}

.login-progress-separator {
    width: 30px;
    height: 2px;
    background: var(--login-gray-300);
}

/* Trust device badge */
.login-trust-device {
    display: flex;
    align-items: center;
    gap: var(--login-spacing-sm);
    padding: var(--login-spacing-md);
    background: var(--login-gray-50);
    border: 1px solid var(--login-gray-200);
    border-radius: var(--login-radius-sm);
    margin-top: var(--login-spacing-md);
}

    .login-trust-device i {
        font-size: var(--login-font-size-lg);
        color: var(--login-success);
    }

.login-trust-device-text {
    flex: 1;
    font-size: var(--login-font-size-sm);
    color: var(--login-gray-900);
}

.login-trust-device-expiry {
    font-size: var(--login-font-size-xs);
    color: var(--login-gray-600);
}

/* Security badges */
.login-security-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--login-spacing-sm);
    justify-content: center;
    margin-top: var(--login-spacing-xl);
    padding-top: var(--login-spacing-lg);
    border-top: 1px solid var(--login-gray-200);
}

.login-security-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 12px;
    background: var(--login-gray-50);
    border-radius: var(--login-radius-full);
    font-size: var(--login-font-size-xs);
    color: var(--login-gray-600);
    font-weight: 500;
}

    .login-security-badge i {
        font-size: var(--login-font-size-sm);
        color: var(--login-success);
    }

/* ============================================================================
   6. DIVIDER & SOCIAL LOGIN
   ============================================================================ */

.login-divider {
    display: flex;
    align-items: center;
    gap: var(--login-spacing-md);
    margin: var(--login-spacing-xl) 0;
}

.login-divider-line {
    flex: 1;
    height: 1px;
    background: var(--login-gray-300);
}

.login-divider-text {
    font-size: var(--login-font-size-sm);
    color: var(--login-gray-600);
    font-weight: 500;
}

.login-social-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--login-spacing-sm);
    margin-bottom: var(--login-spacing-lg);
}

.login-btn-social {
    padding: var(--login-spacing-sm);
    background: var(--login-white);
    border: 2px solid var(--login-gray-300);
    border-radius: var(--login-radius-sm);
    cursor: pointer;
    transition: all var(--login-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--login-spacing-xs);
    font-size: var(--login-font-size-sm);
    font-weight: 500;
    color: var(--login-gray-900);
}

    .login-btn-social:hover {
        border-color: var(--login-primary);
        background: var(--login-primary-light);
        transform: translateY(-2px);
        box-shadow: var(--login-shadow-sm);
    }

    .login-btn-social i {
        font-size: var(--login-font-size-lg);
    }

/* ============================================================================
   7. FOOTER & TERMS
   ============================================================================ */

.login-form-footer {
    text-align: center;
    margin-top: var(--login-spacing-xl);
    font-size: var(--login-font-size-xs);
    color: var(--login-gray-600);
    line-height: 1.6;
}

    .login-form-footer a {
        color: var(--login-primary);
        text-decoration: none;
        font-weight: 500;
    }

        .login-form-footer a:hover {
            text-decoration: underline;
        }

/* ============================================================================
   8. TABS (Sign in / Register)
   ============================================================================ */

.login-tabs {
    display: flex;
    gap: var(--login-spacing-xs);
    margin-bottom: var(--login-spacing-xl);
    background: var(--login-gray-100);
    padding: 4px;
    border-radius: var(--login-radius-sm);
}

.login-tab {
    flex: 1;
    padding: var(--login-spacing-sm) var(--login-spacing-md);
    font-size: var(--login-font-size-base);
    font-weight: 600;
    color: var(--login-gray-600);
    background: transparent;
    border: none;
    border-radius: var(--login-radius-sm);
    cursor: pointer;
    transition: all var(--login-transition-fast);
}

    .login-tab:hover {
        color: var(--login-gray-900);
    }

    .login-tab.active {
        color: var(--login-primary);
        background: var(--login-white);
        box-shadow: var(--login-shadow-sm);
    }

/* ============================================================================
   9. RESPONSIVE DESIGN
   ============================================================================ */

@media (max-width: 1024px) {
    :root {
        --login-split-ratio: 40%;
        --login-brand-panel-padding: var(--login-spacing-xl);
    }

    .login-icon-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .login-page-wrapper {
        flex-direction: column;
    }

    .login-brand-panel {
        flex: 0 0 auto;
        min-height: 40vh;
        padding: var(--login-spacing-lg);
    }

    .login-brand-visual {
        display: none;
    }

    .login-form-panel {
        padding: var(--login-spacing-lg);
    }

    .login-icon-grid {
        display: none;
    }

    .login-social-buttons {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --login-form-max-width: 100%;
    }

    .login-brand-panel {
        min-height: 30vh;
    }

    .login-form-header {
        margin-bottom: var(--login-spacing-lg);
    }

    .login-form-title {
        font-size: var(--login-font-size-xl);
    }

    .login-trust-badges {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================================================
   10. ANIMATIONS
   ============================================================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-container {
    animation: fadeIn var(--login-transition-slow) ease-out;
}

/* ============================================================================
   11. ACCESSIBILITY
   ============================================================================ */

.login-form-input:focus-visible,
.login-btn-primary:focus-visible,
.login-btn-social:focus-visible,
.login-tab:focus-visible {
    outline: 3px solid var(--login-primary);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .login-form-input,
    .login-btn-primary,
    .login-btn-social {
        border-width: 3px;
    }
}

/* ============================================================================
   12. PRINT STYLES
   ============================================================================ */

@media print {
    .login-brand-panel,
    .login-social-buttons,
    .login-divider {
        display: none;
    }
}