/* Base Styles */
:root {
    --primary-color: #5b13ec; /* Vibrant Deep Purple */
    --primary-hover: #7b3aff;
    --secondary-color: #12092b; /* Deep Dark Background */
    --text-color: #f8f6fb;
    --text-light: #aaa0cc;
    --bg-color: #0b0518; /* Near Black */
    --card-bg: rgba(35, 20, 75, 0.4); /* Glassmorphic Base */
    --border-color: rgba(91, 19, 236, 0.3);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    background-image: radial-gradient(circle at top right, rgba(91, 19, 236, 0.15), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(0, 163, 255, 0.1), transparent 40%);
    background-attachment: fixed;
}

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

a:hover {
    text-decoration: underline;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    letter-spacing: 0.5px;
}

.btn:hover {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(91, 19, 236, 0.4);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
    border: none;
    position: relative;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-hover), var(--primary-color));
    z-index: -1;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-outline {
    background-color: rgba(255, 255, 255, 0.05);
    color: #fff;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-hover);
    color: #fff;
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

button.btn {
    font-family: var(--font-family);
    font-size: 1rem;
}

/* Header & Nav */
header {
    background-color: rgba(11, 5, 24, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo a {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.auth-links {
    display: flex;
    gap: 10px;
}

/* Hero Section */
.hero {
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%; right: -50%; bottom: -50%;
    background: radial-gradient(circle at center, rgba(91, 19, 236, 0.2) 0%, transparent 50%);
    animation: pulse 10s infinite alternate;
    z-index: -1;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.2); opacity: 1; }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, var(--text-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-inline: auto;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* Features Section */
.features {
    padding: 100px 0;
    position: relative;
}

.features h2 {
    text-align: center;
    margin-bottom: 60px;
    font-size: 2.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(91, 19, 236, 0.2);
    border-color: rgba(91, 19, 236, 0.4);
}

.feature-card h3 {
    margin-bottom: 20px;
    font-size: 1.4rem;
    color: #fff;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, rgba(91, 19, 236, 0.1) 0%, rgba(11, 5, 24, 0) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: #fff;
    padding: 100px 0;
    text-align: center;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: var(--text-light);
}

/* Footer */
footer {
    background-color: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    padding: 60px 0 20px;
}

/* Auth Pages */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 40px 20px;
}

.auth-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
}

.auth-card h2 {
    margin-bottom: 10px;
    text-align: center;
}

.auth-card p {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 1rem;
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-color);
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 0, 0, 0.4);
}

.btn-block {
    display: block;
    width: 100%;
}

.auth-links-bottom {
    margin-top: 20px;
    text-align: center;
    font-size: 0.9rem;
}

.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-error ul {
    margin-left: 20px;
}

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

.mt-4 {
    margin-top: 1.5rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-section h4 {
    color: #fff;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #ccc;
}

.footer-section a:hover {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    /* Dashboard Responsive Utilities */
    .dashboard-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 15px;
    }
    
    .dashboard-header-actions {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .dashboard-header-actions .btn {
        width: 100%;
        margin-right: 0 !important;
    }
    
    .responsive-grid {
        grid-template-columns: 1fr !important;
    }
    
    .responsive-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 15px;
    }
    
    .responsive-flex > div {
        width: 100%;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .responsive-flex .btn {
        width: 100%;
        margin-right: 0 !important;
    }
}