/**
 * Multi-Step Progress Component
 * Shared progress bar for multi-step forms (checkout, registration, etc.)
 */

/* CSP-safe: --progress, --progress-scale, --step-count set via data attributes and JavaScript */
.multi-step-progress {
    position: relative;
    --progress: var(--csp-progress, 0%);
    --progress-scale: var(--csp-progress-scale, 0);
    --step-count: var(--csp-step-count, 4);
    --circle-size: clamp(40px, 3.5vw, 52px);
    --track-height: 4px;
    --progress-rail-trim: 3px;
    --progress-padding-x: clamp(0.75rem, 4vw, 2.75rem);
    --progress-padding-top: 1.35rem;
    --progress-padding-bottom: 0.75rem;
    --progress-gap: clamp(0.85rem, 3vw, 3rem);
    --inner-width: calc(100% - (2 * var(--progress-padding-x)));
    --grid-gap-total: calc(var(--progress-gap) * (var(--step-count) - 1));
    --step-column-width: calc((var(--inner-width) - var(--grid-gap-total)) / var(--step-count));
    --track-color: rgba(127, 77, 90, 0.18);
    --track-fill: linear-gradient(120deg, var(--ameyze-primary, #7f4d5a), var(--ameyze-secondary, #d8a9b4));
    padding: var(--progress-padding-top) var(--progress-padding-x) var(--progress-padding-bottom);
}

.multi-step-progress__track,
.multi-step-progress__fill {
    position: absolute;
    left: calc(
        var(--progress-padding-x)
        + (var(--step-column-width) / 2)
        + var(--progress-rail-trim)
    );
    right: calc(
        var(--progress-padding-x)
        + (var(--step-column-width) / 2)
        + var(--progress-rail-trim)
    );
    top: calc(var(--progress-padding-top) + (var(--circle-size) / 2));
    height: var(--track-height);
    border-radius: 999px;
    pointer-events: none;
    transform: translateY(-50%);
    z-index: 0;
}

.multi-step-progress__track {
    background: var(--track-color);
}

.multi-step-progress__fill {
    background: var(--track-fill);
    transform-origin: left center;
    transform: translateY(-50%) scaleX(var(--progress-scale, 0));
    transition: transform 0.35s ease;
}

.multi-step-progress__steps {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(var(--step-count), minmax(0, 1fr));
    align-items: flex-start;
    gap: var(--progress-gap);
}

.multi-step-progress__step {
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
    text-align: center;
    min-width: 64px;
}

.multi-step-progress__step .step-circle {
    position: relative;
    z-index: 2;
    width: var(--circle-size);
    height: var(--circle-size);
    border-radius: 50%;
    border: 2px solid rgba(127, 77, 90, 0.3);
    background: #fff;
    color: rgba(127, 77, 90, 0.85);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1rem;
    box-shadow: 0 0 0 6px #fff, 0 0 0 7px rgba(127, 77, 90, 0.08);
    transition: all 0.25s ease;
}

.multi-step-progress__step.is-active .step-circle {
    border-color: var(--ameyze-primary, #7f4d5a);
    color: var(--ameyze-primary, #7f4d5a);
    box-shadow: 0 0 0 6px #fff, 0 0 0 8px rgba(127, 77, 90, 0.18);
}

.multi-step-progress__step.is-completed .step-circle {
    background: linear-gradient(135deg, #7f4d5a, #d8a9b4);
    border-color: #7f4d5a;
    color: #fff;
    box-shadow: 0 0 0 6px #fff, 0 0 0 8px rgba(127, 77, 90, 0.2);
}

/* Completed: hide number, show checkmark */
.multi-step-progress__step.is-completed .step-circle__content {
    font-size: 0;
}

.multi-step-progress__step.is-completed .step-circle__content::before {
    content: '\2713';
    font-size: 1rem;
    color: #fff;
    font-weight: 700;
}

.multi-step-progress__step .step-label {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--primary-dark, #5a3640);
}

/* ========================================
   Responsive Styles
   ======================================== */

@media (max-width: 991.98px) {
    .multi-step-progress {
        --circle-size: 38px;
        --progress-padding-x: clamp(0.5rem, 6vw, 1.85rem);
        --progress-gap: clamp(0.6rem, 4vw, 1.6rem);
        --progress-padding-top: 1.1rem;
    }
}

@media (max-width: 767.98px) {
    .multi-step-progress__step {
        min-width: 56px;
    }
}

@media (max-width: 575.98px) {
    .multi-step-progress {
        --circle-size: 32px;
        --progress-gap: 0.45rem;
        --progress-padding-x: 0.5rem;
    }

    .multi-step-progress__step {
        min-width: 48px;
    }

    .multi-step-progress__step .step-label {
        font-size: 0.7rem;
        letter-spacing: 0.05em;
    }
}

/* Small screens: hide step labels to prevent overlap */
@media (max-width: 424px) {
    .multi-step-progress {
        --circle-size: 32px;
        --progress-gap: 0.5rem;
        --progress-padding-x: 0.5rem;
        --progress-padding-top: 0.85rem;
        --progress-padding-bottom: 0.5rem;
    }

    .multi-step-progress__step {
        min-width: 0;
        gap: 0;
    }

    .multi-step-progress__step .step-label {
        display: none;
    }

    .multi-step-progress__step .step-circle {
        box-shadow: 0 0 0 4px #fff, 0 0 0 5px rgba(127, 77, 90, 0.08);
    }
}

/* Very small screens (320px): further reduce sizes */
@media (max-width: 374px) {
    .multi-step-progress {
        --circle-size: 28px;
        --progress-gap: 0.35rem;
        --progress-padding-x: 0.35rem;
    }

    .multi-step-progress__step .step-circle {
        font-size: 0.85rem;
    }
}