/* ==========================================================================
   EPP Timeline Widget
   ========================================================================== */

.epp-timeline {
    position: relative;
    padding: 8px 0;
}

/* ── Vertical centre line (alternating layout) ── */
.epp-timeline--alternating::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background-color: var(--epp-gray-300, #d1d5db);
}

/* ── Items ── */
.epp-timeline-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 32px;
}

.epp-timeline-item:last-child {
    margin-bottom: 0;
}

/* ── Left layout (connector line runs along left) ── */
.epp-timeline--left .epp-timeline-item {
    padding-left: 12px;
}

.epp-timeline--left::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 30px;
    width: 2px;
    background-color: var(--epp-gray-300, #d1d5db);
    z-index: 0;
}

.epp-timeline--left .epp-timeline-icon {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

/* ── Right layout ── */
.epp-timeline--right .epp-timeline-item {
    flex-direction: row-reverse;
    padding-right: 12px;
}

.epp-timeline--right::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 30px;
    width: 2px;
    background-color: var(--epp-gray-300, #d1d5db);
    z-index: 0;
}

.epp-timeline--right .epp-timeline-icon {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

/* ── Alternating layout ── */
.epp-timeline--alternating .epp-timeline-item {
    width: 100%;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 40px;
}

/* Left item: card | icon | spacer */
.epp-timeline--alternating .epp-timeline-item--left {
    flex-direction: row;
}
.epp-timeline--alternating .epp-timeline-item--left .epp-timeline-card {
    text-align: right;
    order: 1;
}
.epp-timeline--alternating .epp-timeline-item--left .epp-timeline-icon {
    order: 2;
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}
.epp-timeline--alternating .epp-timeline-item--left .epp-timeline-spacer {
    order: 3;
    flex: 1;
}

/* Right item: spacer | icon | card */
.epp-timeline--alternating .epp-timeline-item--right {
    flex-direction: row;
}
.epp-timeline--alternating .epp-timeline-item--right .epp-timeline-spacer {
    flex: 1;
}
.epp-timeline--alternating .epp-timeline-item--right .epp-timeline-icon {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}
.epp-timeline--alternating .epp-timeline-item--right .epp-timeline-card {
    flex: 1;
}

/* Card takes equal space on both sides */
.epp-timeline--alternating .epp-timeline-card {
    flex: 1;
}

/* ── Icon dot ── */
.epp-timeline-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    min-width: 36px;
    border-radius: 50%;
    background-color: var(--epp-primary, #7c3aed);
    color: #fff;
    flex-shrink: 0;
    line-height: 1;
}

.epp-timeline-icon i   { font-size: 14px; color: inherit; line-height: 1; }
.epp-timeline-icon svg { width: 14px; height: 14px; fill: currentColor; }

/* ── Card ── */
.epp-timeline-card {
    position: relative;
    flex: 1;
    min-width: 0;
    background-color: var(--epp-card-bg, #fff);
    border: 1px solid var(--epp-card-border, #e5e7eb);
    border-radius: var(--epp-radius, 8px);
    padding: 20px 24px;
    box-shadow: var(--epp-shadow-xs, 0 1px 4px rgba(0,0,0,.06));
    transition: box-shadow .2s ease, background-color .2s ease;
}

.epp-timeline-card:hover {
    box-shadow: var(--epp-shadow-sm, 0 2px 8px rgba(0,0,0,.10));
}

/* ── Connector arrow ── */
/* ::before = border layer (card-border colour, 1px bigger)
   ::after  = fill layer  (card-bg / user colour, sits on top) */
.epp-timeline--connector .epp-timeline-card::before,
.epp-timeline--connector .epp-timeline-card::after {
    content: '';
    position: absolute;
    width: 0;
    height: 0;
}
.epp-timeline--connector .epp-timeline-card::before {
    top: 15px;
    border: 9px solid transparent;
}
.epp-timeline--connector .epp-timeline-card::after {
    top: 16px;
    border: 8px solid transparent;
}

/* Left layout: arrow points left */
.epp-timeline--connector.epp-timeline--left .epp-timeline-card::before {
    right: 100%;
    border-right-color: var(--epp-card-border, #e5e7eb);
    border-left-width: 0;
}
.epp-timeline--connector.epp-timeline--left .epp-timeline-card::after {
    right: calc(100% - 1px);
    border-right-color: var(--epp-tl-connector, #fff);
    border-left-width: 0;
}

/* Right layout: arrow points right */
.epp-timeline--connector.epp-timeline--right .epp-timeline-card::before {
    left: 100%;
    border-left-color: var(--epp-card-border, #e5e7eb);
    border-right-width: 0;
}
.epp-timeline--connector.epp-timeline--right .epp-timeline-card::after {
    left: calc(100% - 1px);
    border-left-color: var(--epp-tl-connector, #fff);
    border-right-width: 0;
}

/* Alternating --left: card is left of icon → arrow points right */
.epp-timeline--connector.epp-timeline--alternating .epp-timeline-item--left .epp-timeline-card::before {
    left: 100%;
    border-left-color: var(--epp-card-border, #e5e7eb);
    border-right-width: 0;
}
.epp-timeline--connector.epp-timeline--alternating .epp-timeline-item--left .epp-timeline-card::after {
    left: calc(100% - 1px);
    border-left-color: var(--epp-tl-connector, #fff);
    border-right-width: 0;
}

/* Alternating --right: card is right of icon → arrow points left */
.epp-timeline--connector.epp-timeline--alternating .epp-timeline-item--right .epp-timeline-card::before {
    right: 100%;
    border-right-color: var(--epp-card-border, #e5e7eb);
    border-left-width: 0;
}
.epp-timeline--connector.epp-timeline--alternating .epp-timeline-item--right .epp-timeline-card::after {
    right: calc(100% - 1px);
    border-right-color: var(--epp-tl-connector, #fff);
    border-left-width: 0;
}

/* ── Date ── */
.epp-timeline-date {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--epp-gray-500, #6b7280);
    margin-bottom: 6px;
    line-height: 1.4;
}

/* ── Title ── */
.epp-timeline-title {
    margin: 0 0 6px;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--epp-gray-900, #111827);
}

.epp-timeline-title a {
    color: inherit;
    text-decoration: none;
}

.epp-timeline-title a:hover {
    text-decoration: underline;
}

/* ── Description ── */
.epp-timeline-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    margin: 0;
    color: var(--epp-gray-600, #4b5563);
}

.epp-timeline-desc p:last-child {
    margin-bottom: 0;
}

/* ── Horizontal layout ── */
.epp-timeline--horizontal {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 0;
    padding: 8px 0;
    overflow-x: auto;
}

.epp-timeline--horizontal .epp-timeline-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 120px;
    gap: 0;
    margin-bottom: 0;
    text-align: center;
}

/* Date row (above icon) */
.epp-timeline-h-top {
    min-height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.epp-timeline--horizontal .epp-timeline-date {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--epp-gray-500, #6b7280);
    font-weight: 600;
    margin-bottom: 0;
}

/* Middle row: line — dot — line */
.epp-timeline-h-middle {
    display: flex;
    align-items: center;
    width: 100%;
    margin-bottom: 12px;
}

.epp-timeline-h-line {
    flex: 1;
    height: 2px;
    background-color: var(--epp-gray-300, #d1d5db);
}

/* First item: no left line; last item: no right line */
.epp-timeline--horizontal .epp-timeline-item:first-child .epp-timeline-h-line--before,
.epp-timeline--horizontal .epp-timeline-item:last-child  .epp-timeline-h-line--after {
    background: transparent;
}

.epp-timeline--horizontal .epp-timeline-icon {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

/* Card below icon */
.epp-timeline--horizontal .epp-timeline-card {
    width: 100%;
    text-align: center;
}

/* Animate: horizontal items slide in from below */
.epp-timeline--horizontal.epp-timeline--animate .epp-timeline-item {
    opacity: 0;
    transform: translateY(18px);
    transition: opacity .45s ease, transform .45s ease;
}

.epp-timeline--horizontal.epp-timeline--animate .epp-timeline-item.epp-tl-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive: collapse to vertical on small screens */
@media (max-width: 640px) {
    .epp-timeline--horizontal {
        flex-direction: column;
        overflow-x: visible;
    }
    .epp-timeline--horizontal .epp-timeline-item {
        flex-direction: row;
        align-items: flex-start;
        text-align: left;
        min-width: 0;
        margin-bottom: 24px;
    }
    .epp-timeline-h-top   { display: none; }
    .epp-timeline-h-middle {
        flex-direction: column;
        width: auto;
        margin-right: 16px;
        margin-bottom: 0;
    }
    .epp-timeline-h-line  { display: none; }
    .epp-timeline--horizontal .epp-timeline-card { text-align: left; }
}

/* ── Scroll animation ── */
.epp-timeline--animate .epp-timeline-item {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .5s ease, transform .5s ease;
}

.epp-timeline--animate .epp-timeline-item.epp-tl-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive: alternating collapses to single column ── */
@media (max-width: 768px) {
    .epp-timeline--alternating::before {
        left: 18px;
    }

    .epp-timeline--alternating .epp-timeline-item--left,
    .epp-timeline--alternating .epp-timeline-item--right {
        flex-direction: row;
        text-align: left;
    }

    .epp-timeline--alternating .epp-timeline-item--left .epp-timeline-card,
    .epp-timeline--alternating .epp-timeline-item--right .epp-timeline-card {
        order: 2;
        text-align: left;
    }

    .epp-timeline--alternating .epp-timeline-item--left .epp-timeline-icon,
    .epp-timeline--alternating .epp-timeline-item--right .epp-timeline-icon {
        order: 1;
        flex-shrink: 0;
    }

    .epp-timeline--alternating .epp-timeline-spacer {
        display: none;
    }

    /* On mobile alternating collapses to icon-left layout — flip left-item arrow */
    .epp-timeline--connector.epp-timeline--alternating .epp-timeline-item--left .epp-timeline-card::before {
        left: auto;
        right: 100%;
        border-left-width: 0;
        border-left-color: transparent;
        border-right-width: 9px;
        border-right-color: var(--epp-card-border, #e5e7eb);
    }
    .epp-timeline--connector.epp-timeline--alternating .epp-timeline-item--left .epp-timeline-card::after {
        left: auto;
        right: calc(100% - 1px);
        border-left-width: 0;
        border-left-color: transparent;
        border-right-width: 8px;
        border-right-color: var(--epp-tl-connector, #fff);
    }
}