:root {
    --primary-color: #ffcc00;
    --secondary-color: #1c3261;
    --accent-color: #00ccff;
    --danger-color: #ff3300;
    --success-color: #00cc66;
    --dark-bg: rgba(15, 25, 48, 0.9);
    --card-bg: rgba(255, 255, 255, 0.08);
    --border-color: rgba(255, 204, 0, 0.3);
}

body {
    background: var(--secondary-color);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100" opacity="0.03"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.container-custom {
    background: var(--dark-bg);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    border: 1px solid var(--border-color);
    max-width: 600px;
    z-index: 10;
    position: relative;
}

.title {
    color: var(--primary-color);
    text-shadow: 0 0 8px rgba(255, 204, 0, 0.3);
    margin-bottom: 20px;
    font-weight: 700;
    position: relative;
    padding-bottom: 12px;
    font-size: 1.8rem;
}

.title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 30%;
    width: 40%;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
}

.form-label {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-control-custom {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    padding: 10px;
    text-align: center;
    color: white;
    font-weight: 500;
    transition: all 0.2s ease;
}

.form-control-custom:focus {
    background: rgba(255, 255, 255, 0.18);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(255, 204, 0, 0.25);
    color: white;
}

.btn-custom {
    padding: 12px 30px;
    background: linear-gradient(to right, var(--primary-color), #ff9900);
    border: none;
    border-radius: 8px;
    color: #1a2a6c;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 100%;
}

.btn-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    color: #1a2a6c;
}