:root {
    /* Color Palette - Premium Dark Theme with Neon Accents */
    --bg-dark: #07070a; /* Deep Arena Night */
    --bg-card: rgba(18, 18, 24, 0.85); /* Sleek Glass Panels */
    --bg-card-hover: rgba(28, 28, 36, 0.95);
    --primary: #ff4500; /* Vivid Orange-Red */
    --primary-hover: #ff2a00;
    --secondary: #00f0ff; /* Electric Neon Cyan */
    --text-main: #ffffff;
    --text-muted: #a1a1aa; /* Zinc 400 */
    --danger: #ef4444;
    --success: #10b981;
    --border-color: rgba(255, 255, 255, 0.08);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(ellipse at top left, rgba(255, 69, 0, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(0, 240, 255, 0.12) 0%, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 30px 30px, 30px 30px;
    background-attachment: fixed;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-top: 1px solid rgba(255, 255, 255, 0.12); /* Glossy top edge */
    border-radius: 16px;
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.6);
}

/* Base Components */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    width: 100%;
}

/* Login Specific */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 3rem 2.5rem;
    text-align: center;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--primary), #fb923c);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.login-header p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 2px rgba(6, 182, 212, 0.2);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    text-align: center;
    width: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 15px rgba(255, 69, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.15);
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(255, 69, 0, 0.6);
}

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

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    display: none;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

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

/* Mobile Adjustments */
@media (max-width: 992px) {
    .container {
        padding: 1rem;
    }
    
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    h1 { font-size: 2rem !important; }
    h2 { font-size: 1.5rem !important; }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    /* Make inline form grids responsive */
    form [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}