/* assets/css/admin_style.css */
:root {
    --primary: #2563eb;
    --secondary: #64748b;
    --dark: #0f172a;
    --light: #f8fafc;
    --glass: rgba(255, 255, 255, 0.1);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    color: var(--light);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    overflow: hidden;
}

.login-card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2.5rem;
    border-radius: 1.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-card h2 {
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 800;
    letter-spacing: -0.025em;
    font-size: 1.875rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #94a3b8;
}

input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid #334155;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    color: white;
    font-size: 1rem;
    transition: all 0.2s;
    box-sizing: border-box;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
}

.btn-primary {
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    padding: 0.75rem;
    border-radius: 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-1px);
}

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

.footer-link {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    color: #94a3b8;
    font-size: 0.875rem;
    text-decoration: none;
}

.footer-link:hover {
    color: white;
}