:root {
    --rubini-blue: #0d6efd;
    --rubini-blue-dark: #0a58ca;
    --rubini-glow: rgba(13, 110, 253, 0.6);
    --rubini-bg-card: linear-gradient(145deg, #0b1120, #161e35);
    --rubini-text-accent: #6ea8fe;
}

.card-rubini {
    background: var(--rubini-bg-card);
    border: 1px solid rgba(13, 110, 253, 0.3);
    border-radius: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.card-rubini:hover {
    border-color: var(--rubini-blue);
    box-shadow: 0 0 25px var(--rubini-glow);
}

.btn-rubini {
    background-color: var(--rubini-blue);
    color: white;
    font-weight: 700;
    border: none;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.3);
    transition: all 0.3s ease;
}

.btn-rubini:hover {
    background-color: var(--rubini-blue-dark);
    box-shadow: 0 0 20px var(--rubini-glow);
    transform: translateY(-2px);
    color: white;
}

.form-control-rubini {
    background-color: #080b12 !important;
    border: 1px solid #2a3547;
    color: #e0e6ed !important;
}

.form-control-rubini:focus {
    border-color: var(--rubini-blue) !important;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25) !important;
}

.form-control-rubini::placeholder {
    color: #6c757d;
}

.input-display-rubini {
    background-color: #000 !important;
    border: 1px solid var(--rubini-blue) !important;
    color: var(--rubini-text-accent) !important;
    font-family: monospace;
    font-size: 1.25rem;
    box-shadow: inset 0 0 10px rgba(13, 110, 253, 0.2);
}

.text-rubini-primary {
    color: var(--rubini-blue) !important;
}

.text-rubini-accent {
    color: var(--rubini-text-accent) !important;
}

.text-glow-blue {
    text-shadow: 0 0 15px var(--rubini-glow);
}

.border-rubini {
    border-color: var(--rubini-blue) !important;
}

.step-badge {
    background-color: var(--rubini-blue);
    color: white;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: bold;
    box-shadow: 0 0 10px var(--rubini-glow);
}

.step-badge.success {
    background-color: #198754;
    box-shadow: 0 0 10px rgba(25, 135, 84, 0.6);
}

.divider-rubini {
    height: 3px; 
    width: 60px; 
    background-color: var(--rubini-blue); 
    margin: 10px auto;
    box-shadow: 0 0 10px var(--rubini-glow);
}

footer {
    border-top: 3px solid #0d6efd;
    background-color: #000;
}

.hover-rubini:hover {
    color: #0dcaf0 !important;
    transition: color 0.3s ease;
    filter: drop-shadow(0 0 8px rgba(13, 202, 240, 0.6));
    transform: scale(1.1);
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white !important;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    text-align: center;
    font-size: 32px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    background-color: #1ebe57;
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.6);
}

.status-dot {
    height: 12px;
    width: 12px;
    border-radius: 50%;
    display: inline-block;
    transition: all 0.3s ease;
}

.status-online {
    background-color: #25d366;
    box-shadow: 0 0 10px #25d366;
    animation: pulse-green 2s infinite;
}

.status-offline {
    background-color: #dc3545;
    box-shadow: 0 0 5px #dc3545;
    opacity: 0.8;
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.navbar .container {
    position: relative; 
}

.form-select-rubini {
    background-color: #080b12 !important;
    border: 1px solid #2a3547;
    color: #e0e6ed !important;
    border-radius: 6px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%230d6efd' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e") !important;
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
}

.form-select-rubini:focus {
    border-color: var(--rubini-blue) !important;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25) !important;
}

.form-select-rubini option {
    background-color: #000;
    color: #fff;
}