/* Global Styles */
:root {
    /* Color System */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    --secondary-50: #f0fdfa;
    --secondary-100: #ccfbf1;
    --secondary-200: #99f6e4;
    --secondary-300: #5eead4;
    --secondary-400: #2dd4bf;
    --secondary-500: #14b8a6;
    --secondary-600: #0d9488;
    --secondary-700: #0f766e;
    --secondary-800: #115e59;
    --secondary-900: #134e4a;

    --accent-50: #fff7ed;
    --accent-100: #ffedd5;
    --accent-200: #fed7aa;
    --accent-300: #fdba74;
    --accent-400: #fb923c;
    --accent-500: #f97316;
    --accent-600: #ea580c;
    --accent-700: #c2410c;
    --accent-800: #9a3412;
    --accent-900: #7c2d12;

    --success-500: #10b981;
    --warning-500: #f59e0b;
    --error-500: #ef4444;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Dark Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.08);

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-tertiary: #71717a;

    /* Spacing System */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-secondary: 'Space Grotesk', 'Inter', sans-serif;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-secondary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

h1 { font-size: 3rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 700; }
h3 { font-size: 1.875rem; font-weight: 600; }
h4 { font-size: 1.5rem; font-weight: 600; }
h5 { font-size: 1.25rem; font-weight: 500; }
h6 { font-size: 1rem; font-weight: 500; }

p {
    margin-bottom: var(--space-4);
    color: var(--text-secondary);
}

a {
    color: var(--primary-400);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-300);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    font-family: var(--font-family-primary);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: var(--transition-base);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-700);
    border-color: var(--gray-600);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, var(--error-500), #dc2626);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    transform: translateY(-2px);
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    position: relative;
    z-index: 2;
}

.logo-text {
    font-family: var(--font-family-secondary);
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
    filter: blur(20px);
    opacity: 0.3;
    z-index: -1;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--space-8);
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.nav-auth {
    position: fixed; /* Menu ke bahar aa jayega */
    top: 60px; /* Navbar ke height ke hisaab se adjust kar */
    right: 10px;
    display: flex;
    flex-direction: column; /* Items vertical me */
    gap: var(--space-4);
    background: #111; /* Background dena taaki text visible ho */
    padding: 10px;
    border-radius: 8px;
    z-index: 9999;
}
.login-btn {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
    color: white;
    border: none;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-lg);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
}

.login-btn:hover {
    background: linear-gradient(135deg, var(--primary-700), var(--primary-600));
    transform: translateY(-1px);
}

.user-menu {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-lg);
    padding: var(--space-2);
    margin-top: var(--space-2);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.user-dropdown a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* Utility Classes */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-gradient {
    background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-glow {
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.5);
}

/* Page Layout */
main {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

.page-hero {
    padding: var(--space-24) 0 var(--space-16);
    text-align: center;
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
    position: relative;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.1), transparent 70%);
}

.page-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: var(--space-6);
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-family-primary);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

/* Auth Required */
.auth-required {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
}

.auth-message {
    background: var(--bg-card);
    padding: var(--space-12);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 400px;
    margin: 0 auto;
}

.auth-message i {
    font-size: 3rem;
    color: var(--primary-400);
    margin-bottom: var(--space-6);
}

.auth-message h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
}

.auth-message p {
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--space-24);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-section h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    font-size: 1.125rem;
    font-weight: 600;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--space-2);
}

.footer-section ul li a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--text-primary);
}

.social-links {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.social-links a:hover {
    background: var(--primary-600);
    color: white;
    transform: translateY(-2px);
}

.contact-info p {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
    color: var(--text-secondary);
}

.contact-info i {
    color: var(--primary-400);
    width: 16px;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-tertiary);
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

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

.loading-logo .logo-text {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-400), var(--secondary-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-6);
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    border-radius: 2px;
    animation: loadingProgress 2s ease-in-out forwards;
}

@keyframes loadingProgress {
    to { width: 100%; }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 var(--space-4);
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: var(--space-2) var(--space-4);
        font-size: 0.875rem;
    }
}