/* ============================================
   PropertyAI Authentication Styles
   Prefix: pai- (PropertyAI)
   ============================================ */

/* CSS Variables */
:root {
    --pai-primary: #4F46E5;
    --pai-primary-dark: #4338CA;
    --pai-primary-light: #6366F1;
    --pai-secondary: #7C3AED;
    --pai-accent: #22D3EE;
    --pai-success: #10B981;
    --pai-warning: #F59E0B;
    --pai-danger: #EF4444;
    --pai-gray-50: #F9FAFB;
    --pai-gray-100: #F3F4F6;
    --pai-gray-200: #E5E7EB;
    --pai-gray-300: #D1D5DB;
    --pai-gray-400: #9CA3AF;
    --pai-gray-500: #6B7280;
    --pai-gray-600: #4B5563;
    --pai-gray-700: #374151;
    --pai-gray-800: #1F2937;
    --pai-gray-900: #111827;
    --pai-font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --pai-font-display: 'Outfit', 'DM Sans', sans-serif;
    --pai-radius-sm: 0.375rem;
    --pai-radius-md: 0.5rem;
    --pai-radius-lg: 0.75rem;
    --pai-radius-xl: 1rem;
    --pai-radius-2xl: 1.5rem;
    --pai-shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --pai-shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --pai-shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --pai-shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
}

body.pai-auth-body {
    margin: 0;
    padding: 0;
    font-family: var(--pai-font-primary);
    background: var(--pai-gray-50);
    color: var(--pai-gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Main Container */
.pai-auth-container {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

/* Left Column - Form */
.pai-auth-left {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: white;
    min-height: 100vh;
}

.pai-auth-form-wrapper {
    width: 100%;
    max-width: 440px;
}

/* Logo */
.pai-logo {
    margin-bottom: 2rem;
}

.pai-logo a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
}

.pai-logo img {
    height: 40px;
    width: auto;
}

.pai-logo-text {
    font-family: var(--pai-font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--pai-primary), var(--pai-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Header */
.pai-auth-header {
    margin-bottom: 2rem;
}

.pai-auth-header h1 {
    font-family: var(--pai-font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--pai-gray-900);
    line-height: 1.2;
    margin: 0 0 1rem 0;
}

.pai-gradient-text {
    background: linear-gradient(135deg, var(--pai-primary), var(--pai-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pai-auth-subtitle {
    font-size: 1rem;
    color: var(--pai-gray-500);
    margin: 0;
    line-height: 1.6;
}

/* Step Indicator */
.pai-step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    gap: 0;
}

.pai-step {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pai-step-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.pai-step.completed .pai-step-circle {
    background: var(--pai-success);
    color: white;
}

.pai-step.active .pai-step-circle {
    background: linear-gradient(135deg, var(--pai-primary), var(--pai-secondary));
    color: white;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.2);
}

.pai-step.pending .pai-step-circle {
    background: var(--pai-gray-200);
    color: var(--pai-gray-500);
}

.pai-step-line {
    width: 40px;
    height: 2px;
    background: var(--pai-gray-200);
    margin: 0 4px;
}

.pai-step-line.completed {
    background: var(--pai-success);
}

/* Form Styles */
.pai-auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.pai-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pai-input-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pai-gray-700);
}

.pai-input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: var(--pai-font-primary);
    border: 1px solid var(--pai-gray-300);
    border-radius: var(--pai-radius-lg);
    background: white;
    color: var(--pai-gray-900);
    transition: all 0.2s ease;
}

.pai-input:focus {
    outline: none;
    border-color: var(--pai-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

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

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

.pai-input.pai-input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Password Wrapper */
.pai-password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.pai-password-wrapper .pai-input {
    padding-right: 3rem;
}

.pai-password-toggle {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--pai-gray-400);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.pai-password-toggle:hover {
    color: var(--pai-gray-600);
}

/* Error Text */
.pai-error-text {
    font-size: 0.8125rem;
    color: var(--pai-danger);
    display: block;
    min-height: 1.25rem;
}

/* Form Options (Remember Me + Forgot Password) */
.pai-form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* Checkbox Styles */
.pai-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--pai-gray-600);
}

.pai-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--pai-gray-300);
    border-radius: 4px;
    cursor: pointer;
    accent-color: var(--pai-primary);
}

.pai-checkbox-text {
    user-select: none;
}

/* Forgot Link */
.pai-forgot-link {
    font-size: 0.875rem;
    color: var(--pai-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Buttons */
.pai-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--pai-font-primary);
    border-radius: var(--pai-radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    border: none;
}

.pai-btn-primary {
    background: linear-gradient(135deg, var(--pai-primary), var(--pai-secondary));
    color: white;
    box-shadow: var(--pai-shadow-md), 0 4px 14px rgba(79, 70, 229, 0.25);
}

.pai-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--pai-shadow-lg), 0 6px 20px rgba(79, 70, 229, 0.35);
}

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

.pai-btn-secondary {
    background: white;
    color: var(--pai-gray-700);
    border: 1px solid var(--pai-gray-300);
}

.pai-btn-secondary:hover {
    background: var(--pai-gray-50);
    border-color: var(--pai-gray-400);
}

/* Divider */
.pai-auth-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

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

.pai-auth-divider span {
    font-size: 0.875rem;
    color: var(--pai-gray-500);
    white-space: nowrap;
}

/* Social Buttons */
.pai-social-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pai-btn-social {
    width: 100%;
    padding: 0.75rem 1rem;
    background: white;
    border: 1px solid var(--pai-gray-300);
    border-radius: var(--pai-radius-lg);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--pai-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.pai-btn-social:hover {
    background: var(--pai-gray-50);
    border-color: var(--pai-gray-400);
}

.pai-btn-social svg {
    flex-shrink: 0;
}

.pai-btn-google:hover { border-color: #4285F4; }
.pai-btn-microsoft:hover { border-color: #00A4EF; }
.pai-btn-x:hover { border-color: #000; }
.pai-btn-facebook:hover { border-color: #1877F2; }

/* Footer */
.pai-auth-footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9375rem;
    color: var(--pai-gray-600);
}

.pai-auth-footer a {
    color: var(--pai-primary);
    text-decoration: none;
    font-weight: 600;
    margin-left: 0.25rem;
}

.pai-auth-footer a:hover {
    text-decoration: underline;
}

/* Alert Boxes */
.pai-alert {
    padding: 1rem;
    border-radius: var(--pai-radius-lg);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.pai-alert ul {
    margin: 0.5rem 0 0 0;
    padding-left: 1.25rem;
}

.pai-alert li {
    margin: 0.25rem 0;
}

.pai-alert-danger {
    background: #FEF2F2;
    border: 1px solid #FECACA;
    color: #DC2626;
}

.pai-alert-warning {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    color: #D97706;
}

.pai-alert-success {
    background: #F0FDF4;
    border: 1px solid #BBF7D0;
    color: #15803D;
}

.pai-alert-info {
    background: #F0F9FF;
    border: 1px solid #BAE6FD;
    color: #0369A1;
}

/* Success Icon Container */
.pai-success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pai-primary), var(--pai-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.pai-success-icon svg {
    color: white;
}

/* Right Column - Carousel */
.pai-auth-right {
    flex: 1;
    display: none;
    position: relative;
    background: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #4c1d95 100%);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .pai-auth-right {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

.pai-auth-carousel {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

/* Decorative Shapes */
.pai-auth-decorative-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.pai-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.pai-shape-purple {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--pai-primary), var(--pai-secondary));
    top: -100px;
    right: -100px;
}

.pai-shape-cyan {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--pai-accent), #06B6D4);
    bottom: -50px;
    left: -50px;
}

/* Carousel Slides */
.pai-carousel-slides {
    position: relative;
    width: 100%;
    max-width: 500px;
    z-index: 10;
}

.pai-carousel-slide {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.pai-carousel-slide.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pai-carousel-slide img {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: var(--pai-radius-2xl);
    box-shadow: var(--pai-shadow-xl);
    margin-bottom: 2rem;
    object-fit: cover;
    aspect-ratio: 4/3;
}

.pai-slide-content {
    color: white;
}

.pai-slide-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 9999px;
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 1rem;
    backdrop-filter: blur(10px);
}

.pai-slide-content h2 {
    font-family: var(--pai-font-display);
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
    line-height: 1.2;
}

.pai-slide-content p {
    font-size: 1rem;
    opacity: 0.8;
    margin: 0;
    line-height: 1.6;
    max-width: 400px;
}

/* Carousel Navigation */
.pai-carousel-nav {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 20;
}

.pai-nav-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(10px);
}

.pai-nav-arrow:hover {
    background: rgba(255, 255, 255, 0.2);
}

.pai-nav-dots {
    display: flex;
    gap: 0.5rem;
}

.pai-nav-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

.pai-nav-dot.active {
    background: white;
    width: 24px;
    border-radius: 4px;
}

.pai-nav-dot:hover:not(.active) {
    background: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media (max-width: 640px) {
    .pai-auth-left {
        padding: 1.5rem;
    }

    .pai-auth-header h1 {
        font-size: 1.75rem;
    }

    .pai-form-options {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Back Link */
.pai-back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--pai-gray-600);
    text-decoration: none;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    transition: color 0.2s ease;
}

.pai-back-link:hover {
    color: var(--pai-primary);
}

/* Info Box */
.pai-info-box {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--pai-gray-50);
    border-radius: var(--pai-radius-lg);
    margin-bottom: 1.5rem;
}

.pai-info-box-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pai-primary), var(--pai-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.pai-info-box-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pai-gray-900);
    margin: 0 0 0.25rem 0;
}

.pai-info-box-content p {
    font-size: 0.875rem;
    color: var(--pai-gray-600);
    margin: 0;
}