:root {
    --black: #000;
    --yellow: #f1c40f;
    --dark: #111;
    --border: #444;
}




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

.login-card h4 {
    color: var(--yellow);
    font-weight: 700;
}

/* INPUTS */
.form-control,
.form-select {
    background: transparent;
    border: 1px solid var(--border);
    color: #fff;
    padding: 12px;
    transition: all .3s ease;
}

.form-control::placeholder {
    color: #aaa;
}

.form-control:focus,
.form-select:focus {
    background: #000;
    border-color: var(--yellow);
    box-shadow: 0 0 0 0.2rem rgba(241,196,15,.25);
    color: #fff;
}

/* INPUT GROUP */
.input-group-text {
    background: var(--yellow);
    color: var(--black);
    border: none;
    width: 45px;
    justify-content: center;
}

/* BUTTON */
.btn-yellow {
    background: var(--yellow);
    color: var(--black);
    font-weight: 600;
    padding: 12px;
    transition: all .3s ease;
}

.btn-yellow:hover {
    background: #ffd700;
    box-shadow: 0 8px 20px rgba(241,196,15,.45);
    transform: translateY(-1px);
}

footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: #000;
    color: var(--yellow);
    text-align: center;
    padding: 8px 0;
    font-size: 13px;
}