/* Premium SaaS Palette & Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #7209b7 0%, #4361ee 100%);
    --dark-base: #0f172a;
    --dark-card: #1e293b;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Styles */
body {
    font-family: 'Poppins', sans-serif;
    background-color: #f8fafc;
    color: #1e293b;
    overflow-x: hidden;
    transition: var(--transition-smooth);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.dark-mode {
    background-color: #0b0f1a !important;
    color: var(--text-main);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

/* Navbar Premium Styling */
.navbar {
    background: rgba(15, 23, 42, 0.9) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    transition: var(--transition-smooth);
}

.nav-link {
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8) !important;
    margin: 0 0.5rem;
    position: relative;
    transition: var(--transition-smooth);
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-smooth);
}

.nav-link:hover:after, .nav-link.active:after {
    width: 100%;
}

.nav-link:hover {
    color: #fff !important;
}

/* Hero Section SaaS Look */
.hero-section {
    background: radial-gradient(circle at top right, rgba(114, 9, 183, 0.15), transparent),
                radial-gradient(circle at bottom left, rgba(67, 97, 238, 0.15), transparent),
                #0f172a;
    padding: 120px 0 100px;
    position: relative;
    overflow: hidden;
    color: white;
}

.hero-glow {
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--primary-gradient);
    filter: blur(120px);
    opacity: 0.2;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    animation: fadeInUp 1s ease-out;
}

.glass-img-container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 15px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transition: var(--transition-smooth);
}

.glass-img-container:hover {
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
}

/* Floating AI Badge */
.ai-badge {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-gradient);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 4px 10px rgba(114, 9, 183, 0.3);
    animation: bounceIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
    pointer-events: none;
}

@keyframes bounceIn {
    0% { opacity: 0; transform: translateY(-50%) scale(0.3); }
    50% { opacity: 1; transform: translateY(-50%) scale(1.05); }
    70% { transform: translateY(-50%) scale(0.9); }
    100% { transform: translateY(-50%) scale(1); }
}

/* Auth Tab Styling Fix */
.auth-tab-btn {
    transition: var(--transition-smooth);
    border: none !important;
}

.auth-tab-btn.active {
    background: var(--primary-gradient) !important;
    color: white !important;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.auth-tab-btn:not(.active) {
    background: transparent !important;
    color: #64748b !important;
}

.auth-tab-btn:not(.active):hover {
    color: var(--dark-base) !important;
}

/* Premium Buttons */
.btn-primary {
    background: var(--primary-gradient) !important;
    border: none !important;
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    box-shadow: 0 10px 20px -5px rgba(67, 97, 238, 0.4);
    transition: var(--transition-smooth);
    color: white !important;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(67, 97, 238, 0.6);
}

.btn-outline-light {
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(5px);
    padding: 12px 28px;
    border-radius: 12px;
    font-weight: 600;
    transition: var(--transition-smooth);
    color: white !important;
}

.btn-outline-light:hover {
    background: #fff;
    color: var(--dark-base) !important;
    transform: translateY(-3px);
}

/* Modern Hover Cards */
.feature-card {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.05) !important;
    border-radius: 20px;
    padding: 2rem;
    transition: var(--transition-smooth);
}

.dark-mode .feature-card {
    background: var(--dark-card);
    border-color: var(--glass-border) !important;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1) !important;
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 16px rgba(114, 9, 183, 0.2);
}

/* Premium Footer */
.premium-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-logo {
    color: #fff !important;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: block;
    text-decoration: none;
}

.footer-heading {
    color: #fff;
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-right: 10px;
    transition: var(--transition-smooth);
    text-decoration: none;
}

.social-links a:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Dark Mode Overrides */
body.dark-mode {
    background-color: #0b0f1a !important;
    color: var(--text-main);
}

.dark-mode .card, 
.dark-mode .modal-content,
.dark-mode .bg-white {
    background-color: var(--dark-card) !important;
    border-color: var(--glass-border) !important;
    color: var(--text-main);
}

.dark-mode .text-muted {
    color: #94a3b8 !important;
}

.dark-mode .bg-light, 
.dark-mode .input-group-text, 
.dark-mode .form-control, 
.dark-mode .form-select {
    background-color: rgba(255, 255, 255, 0.03) !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #fff !important;
}

.dark-mode .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4) !important;
}

.dark-mode .table {
    color: var(--text-main);
}

.dark-mode .table thead th {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--text-muted);
}

.dark-mode .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

.dark-mode .navbar {
    background-color: rgba(11, 15, 26, 0.95) !important;
}

/* Chart and Table adjustments for SaaS look */
.table {
    --bs-table-hover-bg: rgba(255,255,255,0.02);
}

.badge {
    border-radius: 6px;
    padding: 6px 12px;
}

/* Responsive fixes */
@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0 60px;
        text-align: center;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
}