body {
    background-color: #0b0f19;
    color: #f8fafc;
    font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    overflow: hidden;
    position: relative;
}

/* 1. Top-Left Corner — Purple / Violet Glow */
body::before {
    content: '';
    position: absolute;
    top: -10rem;
    left: -10rem;
    width: 38rem;
    height: 38rem;
    background: radial-gradient(circle, rgba(147, 51, 234, 0.22) 0%, rgba(11, 15, 25, 0) 70%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

/* 2. Right-Bottom Corner — Vibrant Pink / Magenta Glow */
body::after {
    content: '';
    position: absolute;
    bottom: -10rem;
    right: -10rem;
    width: 42rem;
    height: 42rem;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.28) 0%, rgba(219, 39, 119, 0.12) 40%, rgba(11, 15, 25, 0) 75%);
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.login-card {
    background-color: #111827;
    border: 1px solid #1f2937;
    border-radius: 1rem;
    padding: 2rem;
    width: 100%;
    max-width: 26rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    box-sizing: border-box;
    margin: 1rem;
    position: relative;
    z-index: 1;
}

/* 3. Center Card Pinnaadi — Subtle Orange / Warm Glow */
.login-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.10) 0%, rgba(244, 63, 94, 0.05) 50%, transparent 80%);
    border-radius: 2rem;
    z-index: -1;
    pointer-events: none;
}

.brand-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 10px 20px -3px rgba(244, 63, 94, 0.4);
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #cbd5e1;
    margin-bottom: 0.375rem;
}

.form-input {
    background-color: rgba(15, 23, 42, 0.6);
    border: 1px solid #334155;
    border-radius: 0.75rem;
    padding: 0.625rem 1rem;
    color: #f1f5f9;
    width: 100%;
    box-sizing: border-box;
    outline: none;
    font-size: 0.875rem;
    transition: border-color 0.2s;
}

.form-input:focus {
    border-color: #f43f5e;
}

.btn-gradient {
    background: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%);
    color: white;
    font-weight: bold;
    border: none;
    border-radius: 0.75rem;
    padding: 0.75rem;
    width: 100%;
    cursor: pointer;
    font-size: 0.875rem;
    box-shadow: 0 10px 20px -3px rgba(244, 63, 94, 0.4);
    transition: opacity 0.2s;
}

.btn-gradient:hover {
    opacity: 0.9;
}

.demo-box {
    margin-top: 1.5rem;
    padding: 1rem;
    border-radius: 0.75rem;
    background-color: rgba(15, 23, 42, 0.4);
    border: 1px solid #1e293b;
    font-size: 0.75rem;
    color: #94a3b8;
}

.content-card {
    padding: 2rem; 
    background: var(--card-bg); 
    border: 1px solid var(--border-color); 
    border-radius: 0.75rem; 
    margin-top: 1rem;
}