:root {
    --login-bg-overlay: rgba(15, 23, 42, 0.7);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --primary-accent: #3b82f6;
    --danger-accent: #ef4444;
}

body, html {
    height: 100%;
    margin: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background: url('../img/modern_login_bg.png') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Dark overlay to ensure readability */
body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(30, 41, 59, 0.6) 100%);
    z-index: 1;
}

.login-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 420px;
    padding: 15px;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    color: white;
    transition: transform 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
}

.brand-section {
    text-align: center;
    margin-bottom: 35px;
}

.brand-section img {
    width: 80px;
    height: auto;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
}

.brand-section h1 {
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    margin-bottom: 8px;
    background: linear-gradient(to right, #fff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-section p {
    color: #94a3b8;
    font-size: 0.95rem;
}

/* Modern Form Controls */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #cbd5e1;
    margin-bottom: 8px;
}

.modern-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.modern-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.2);
}

.modern-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2394a3b8' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1.5em 1.5em;
}

.modern-select option {
    background: #1e293b;
    color: white;
}

/* Custom Checkbox */
.custom-control {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.875rem;
    color: #94a3b8;
}

.custom-control input {
    accent-color: var(--primary-accent);
}

/* Buttons */
.btn-login {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border: none;
    border-radius: 12px;
    padding: 14px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
    margin-top: 10px;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.4);
    filter: brightness(1.1);
}

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

.footer-section {
    margin-top: 30px;
    text-align: center;
    font-size: 0.85rem;
    color: #64748b;
}

.footer-section a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-section a:hover {
    color: white;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
}