/* Base styles - Cache bust: 2025-11-10-15:00 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    overflow-x: hidden;
}

/* Modern gradient background */
.modern-gradient-bg {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #f5576c 75%, #4facfe 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    position: relative;
}

/* AI-themed gradient for main site */
.ai-gradient-bg {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 25%, #00b4db 50%, #0083b0 75%, #1e3c72 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    min-height: 100vh;
    position: relative;
}

/* WebGL Shader Background Container */
.shader-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
    overflow: hidden;
    opacity: 0.8; /* Blend with gradient background */
    mix-blend-mode: screen; /* Enhance blending */
}

/* Ensure shader canvas styling */
.shader-background canvas {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    display: block !important;
    z-index: 2 !important;
    pointer-events: none !important;
}

/* Performance optimizations for mobile */
@media (max-width: 768px) {
    .shader-background {
        opacity: 0.6; /* Reduce intensity on mobile */
    }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .shader-background {
        display: none;
    }
}

/* Hide shader on very old browsers or low-end devices */
@supports not (mix-blend-mode: screen) {
    .shader-background {
        display: none;
    }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Flowing abstract shapes */
.abstract-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 3;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: rgba(0, 180, 219, 0.2);
    top: 60%;
    right: 10%;
    animation-delay: 7s;
}

.shape-3 {
    width: 400px;
    height: 400px;
    background: rgba(102, 126, 234, 0.15);
    bottom: 10%;
    left: 20%;
    animation-delay: 14s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-30px) rotate(120deg); }
    66% { transform: translateY(15px) rotate(240deg); }
}

/* Modern typography */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    line-height: 1.6;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 3rem auto;
}

/* Modern buttons */
.btn-primary {
    background: linear-gradient(135deg, #ff6b6b, #feca57);
    border: none;
    color: white;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 14px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Modern navigation */
.modern-nav {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 50;
}

/* Modern app cards */
.app-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 280px));
    gap: 1.5rem;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
    justify-content: center;
}

.modern-app-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 24px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.modern-app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 24px;
    z-index: -1;
}

.modern-app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.app-icon-container {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem auto;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.modern-app-card:hover .app-icon-container {
    transform: scale(1.1);
    background: rgba(255, 255, 255, 0.3);
}

.app-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.app-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.app-description {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.app-launch-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
}

.app-launch-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Glassmorphism login modal */
.login-overlay {
    background: rgba(0, 0, 0, 0.6); /* Stronger fallback background */
    position: fixed;
    z-index: 9999;
}

/* Add backdrop-filter support check */
@supports (backdrop-filter: blur(10px)) {
    .login-overlay {
        background: rgba(0, 0, 0, 0.4);
        backdrop-filter: blur(10px);
    }
}

.login-modal {
    background: rgba(255, 255, 255, 0.25); /* Stronger fallback background */
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 24px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 10000;
}

/* Add backdrop-filter support check */
@supports (backdrop-filter: blur(15px)) {
    .login-modal {
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(15px); /* Reduced from 30px for better performance */
    }
}

.login-input {
    background: rgba(255, 255, 255, 0.3); /* Stronger fallback background */
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 12px;
    color: #1a1a1a; /* Dark text for better contrast against light background */
    padding: 14px 16px;
    width: 100%;
    transition: all 0.3s ease;
    position: relative;
    z-index: 10001;
    pointer-events: auto;
    cursor: text;
    box-sizing: border-box; /* Ensure proper sizing */
}

/* Add backdrop-filter for supported browsers */
@supports (backdrop-filter: blur(5px)) {
    .login-input {
        background: rgba(255, 255, 255, 0.2);
        backdrop-filter: blur(5px); /* Reduced from 10px for better performance */
        color: #1a1a1a; /* Maintain dark text color with backdrop filter */
    }
}

.login-input::placeholder {
    color: rgba(26, 26, 26, 0.6); /* Dark placeholder text for better contrast */
}

.login-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.25);
}

.login-btn {
    background: linear-gradient(135deg, #ff6b6b, #feca57);
    border: none;
    color: white;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
    position: relative;
    z-index: 10001;
    pointer-events: auto;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(255, 107, 107, 0.4);
}

/* Ensure login form has proper stacking context */
#loginForm {
    position: relative;
    z-index: 10001;
}

/* Ensure labels are also accessible */
.login-modal label {
    position: relative;
    z-index: 10001;
    pointer-events: auto;
}

/* Additional browser compatibility fallbacks */
/* For older browsers that might not support CSS custom properties */
.login-overlay {
    -webkit-transform: translateZ(0); /* Force hardware acceleration */
    transform: translateZ(0);
}

.login-modal {
    -webkit-transform: translateZ(0); /* Force hardware acceleration */
    transform: translateZ(0);
}

/* Fix for Safari/iOS touch events */
.login-input {
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Fix for Firefox focus styles */
.login-input:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.25);
    color: #1a1a1a; /* Maintain dark text color on focus */
}

/* Fix for Internet Explorer/Edge */
.login-input::-ms-clear {
    display: none;
}

/* Ensure form elements are properly rendered on all browsers */
.login-btn {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    -webkit-tap-highlight-color: transparent;
}

/* Fix for touch devices */
@media (hover: none) and (pointer: coarse) {
    .login-input:focus {
        background: rgba(255, 255, 255, 0.35);
        border-color: rgba(255, 255, 255, 0.6);
        color: #1a1a1a; /* Maintain dark text color on touch devices */
    }
}

/* Content positioning */
.content-overlay {
    position: relative;
    z-index: 10;
}

/* Animation classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Dark mode updates */
.dark .ai-gradient-bg {
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #0f0f23 100%);
}

.dark .modern-app-card {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.dark .modern-nav {
    background: rgba(0, 0, 0, 0.3);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* Responsive design */
@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .app-cards-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        padding: 0 1rem;
        gap: 1.5rem;
    }

    .btn-primary, .btn-secondary {
        padding: 14px 24px;
        font-size: 0.9rem;
    }
}

/* Extra small screens - ensure single column on very narrow displays */
@media (max-width: 540px) {
    .app-cards-container {
        grid-template-columns: 1fr;
    }
}

/* Footer updates */
.modern-footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 10;
}

/* Utility classes */
.text-white {
    color: white;
}

.text-center {
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Privacy policy and other pages styling */
.page-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    margin: 2rem;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.dark .page-content {
    background: rgba(0, 0, 0, 0.7);
    color: white;
}

.dark .page-content h1,
.dark .page-content h2 {
    color: white;
}

.dark .page-content p,
.dark .page-content li {
    color: rgba(255, 255, 255, 0.8);
}