/* ==========================================================================
   FlashStep — Frontend Styles
   Hyper-minimalist, system fonts, generous whitespace,
   subtle transitions, mobile-first.
   ========================================================================== */

/* ---------- Reset & Container ---------- */
.flashstep-container {
    --fs-accent: #111;
    --fs-accent-soft: #555;
    --fs-bg: #ffffff;
    --fs-card-bg: #ffffff;
    --fs-border: #e5e5e5;
    --fs-radius: 12px;
    --fs-progress-h: 3px;
    --fs-max-w: 640px;
    --fs-transition: .35s cubic-bezier(.4, 0, .2, 1);

    position: relative;
    max-width: var(--fs-max-w);
    margin: 3rem auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--fs-accent);
    -webkit-font-smoothing: antialiased;
    outline: none;
    /* remove focus ring from tabindex used for keyboard scoping */
}

/* C1 — Scoped reset to isolate from theme/plugin styles */
.flashstep-container *,
.flashstep-container *::before,
.flashstep-container *::after {
    box-sizing: border-box;
}

.flashstep-container p,
.flashstep-container ul,
.flashstep-container ol,
.flashstep-container li,
.flashstep-container figure,
.flashstep-container blockquote {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: inherit;
    font-weight: inherit;
    line-height: inherit;
}

.flashstep-container img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ---------- Progress Bar ---------- */
.flashstep-progress {
    position: relative;
    width: 100%;
    height: var(--fs-progress-h);
    background: var(--fs-border);
    border-radius: 99px;
    overflow: hidden;
    margin-bottom: 2rem;
}

.flashstep-progress-bar {
    width: 0%;
    height: 100%;
    background: var(--fs-accent);
    border-radius: 99px;
    transition: width var(--fs-transition);
}

/* ---------- Cards ---------- */
.flashstep-card {
    visibility: hidden;
    height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity var(--fs-transition), transform var(--fs-transition);
}

.flashstep-card--active {
    visibility: visible;
    height: auto;
    overflow: visible;
    opacity: 1;
    transform: translateY(0);
}

.flashstep-card-inner {
    background: var(--fs-card-bg);
    border: 1px solid var(--fs-border);
    border-radius: var(--fs-radius);
    padding: 2.5rem 2rem;
}

/* ---------- Image ---------- */
.flashstep-card-image {
    margin-bottom: 1.5rem;
    text-align: center;
}

.flashstep-card-image img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Crop override — higher specificity so it wins over the general rule above. */
.flashstep-card-image.flashstep-card-image--crop {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 8px;
}

.flashstep-card-image.flashstep-card-image--crop img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
}

/* ---------- Typography ---------- */
.flashstep-card-title {
    letter-spacing: -0.02em;
    margin: 0 0 1rem 0;
    line-height: 1.3;
}

.flashstep-card-content {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--fs-accent-soft);
    margin-bottom: 1.25rem;
}

.flashstep-card-content p {
    margin: 0 0 .75rem 0;
}

.flashstep-card-content ul,
.flashstep-card-content ol {
    padding-left: 1.25rem;
    margin: 0 0 .75rem 0;
}

.flashstep-card-content li {
    margin-bottom: .35rem;
}

.flashstep-card-content a {
    color: var(--fs-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ---------- Inputs ---------- */
.flashstep-input {
    display: block;
    width: 100%;
    padding: .85rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--fs-border);
    border-radius: 8px;
    background: #fafafa;
    color: var(--fs-accent);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    box-sizing: border-box;
    resize: vertical;
}

.flashstep-input:focus {
    border-color: var(--fs-accent);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, .06);
}

.flashstep-input.flashstep-input--error {
    border-color: #d33;
    box-shadow: 0 0 0 3px rgba(221, 51, 51, .08);
}

/* ---------- Navigation ---------- */
.flashstep-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.5rem;
    gap: 1rem;
}

.flashstep-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .7rem 1.4rem;
    font-size: .95rem;
    font-family: inherit;
    font-weight: 600;
    border: 1px solid var(--fs-accent);
    border-radius: 8px;
    background: var(--fs-accent);
    color: #fff;
    cursor: pointer;
    transition: background .2s, opacity .2s, transform .12s;
    user-select: none;
}

.flashstep-nav-btn:hover:not(:disabled) {
    background: #333;
    border-color: #333;
}

.flashstep-nav-btn:active:not(:disabled) {
    transform: scale(.97);
}

.flashstep-nav-btn:disabled {
    opacity: .25;
    cursor: default;
}

.flashstep-prev {
    background: transparent;
    color: var(--fs-accent);
}

.flashstep-prev:hover:not(:disabled) {
    background: rgba(0, 0, 0, .04);
    color: var(--fs-accent);
}

.flashstep-counter {
    font-size: .85rem;
    color: #999;
    font-variant-numeric: tabular-nums;
}

/* ---------- Calendar Button ---------- */
.flashstep-calendar-wrap {
    margin-top: 1.5rem;
    text-align: center;
}

.flashstep-calendar-btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 1.5rem;
    font-size: .95rem;
    font-family: inherit;
    font-weight: 600;
    color: var(--fs-accent);
    border: 1px solid var(--fs-border);
    border-radius: 8px;
    text-decoration: none;
    transition: background .2s, border-color .2s;
}

.flashstep-calendar-btn:hover {
    background: #f5f5f5;
    border-color: #ccc;
}

/* ---------- Responsive ---------- */
@media (max-width: 700px) {
    .flashstep-container {
        margin: 1.5rem 1rem;
    }

    .flashstep-card-inner {
        padding: 1.75rem 1.25rem;
    }

    .flashstep-card-title {
        font-size: 1.25rem;
    }

    .flashstep-card-content {
        font-size: .97rem;
    }
}