/* ... existing code ... */

/* --- Vertical Stepper Preloader --- */
.vertical-stepper {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    width: 100%;
    max-width: 550px;
    font-family: var(--font-family);
}

.step-item {
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.6;
    transition: opacity 0.3s ease, transform 0.3s ease;
    filter: grayscale(100%);
}

.step-item.active {
    opacity: 1;
    filter: grayscale(0%);
    transform: translateX(4px);
}

.step-item.completed {
    opacity: 1;
    filter: grayscale(0%);
    color: var(--text-dark);
}

.step-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
    background-color: #fff;
}

.step-item.active .step-indicator {
    border-color: var(--primary-purple);
    border-width: 2px;
    box-shadow: 0 0 0 4px rgba(68, 96, 124, 0.15);
    animation: pulse-border 1.5s infinite;
}



.step-item.completed .step-indicator {
    background-color: var(--success-color);
    border-color: var(--success-color);
    color: white;
    animation: pop-in 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.step-indicator svg {
    width: 12px;
    height: 12px;
    stroke-width: 3;
}

.step-text {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
    white-space: nowrap;
}

.step-item.active .step-text {
    font-weight: 600;
    color: var(--primary-purple);
}

.step-item.sponsored .step-text {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Stepper Footer (Progress & Timer) */
.stepper-footer {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid transparent;
    /* Spacer */
}

.progress-container {
    flex-grow: 1;
    height: 4px;
    background-color: var(--light-purple);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-purple), #1AA99D);
    border-radius: 4px;
    transition: width 0.1s linear;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
    transform: translateX(-100%);
    animation: shimmer 1.5s infinite;
}

.timer {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    font-variant-numeric: tabular-nums;
    min-width: 30px;
    text-align: right;
}

/* Animations */
@keyframes pulse-border {
    0% {
        box-shadow: 0 0 0 0 rgba(68, 96, 124, 0.4);
    }

    70% {
        box-shadow: 0 0 0 6px rgba(68, 96, 124, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(68, 96, 124, 0);
    }
}

@keyframes pop-in {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }

    60% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

/* Sponsored Step Entrance */
.step-item.sponsored {
    opacity: 0;
    transform: translateY(10px);
    display: none;
    /* Hidden initially, shown via JS */
}

.step-item.sponsored.visible {
    display: flex;
    opacity: 0.6;
    /* Start as pending */
    transform: translateY(0);
    animation: slideUp 0.4s ease forwards;
}

.step-item.sponsored.visible.active {
    opacity: 1;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 0.6;
        transform: translateY(0);
    }
}