/**
 * Timeline Block Styles
 * Blockenberg
 */

/* ========================================
   CSS Variables & Base
   ======================================== */

.bkbg-tl-wrap {
    --bkbg-tl-line-color: #e5e7eb;
    --bkbg-tl-line-width: 3px;
    --bkbg-tl-marker-bg: #3b82f6;
    --bkbg-tl-marker-color: #ffffff;
    --bkbg-tl-marker-size: 44px;
    --bkbg-tl-card-bg: #ffffff;
    --bkbg-tl-card-border: #e5e7eb;
    --bkbg-tl-card-border-w: 1px;
    --bkbg-tl-card-radius: 12px;
    --bkbg-tl-card-padding: 24px;
    --bkbg-tl-date-color: #3b82f6;
    --bkbg-tl-date-size: 14px;
    --bkbg-tl-date-weight: 600;
    --bkbg-tl-title-color: #1f2937;
    --bkbg-tl-title-size: 20px;
    --bkbg-tl-title-weight: 600;
    --bkbg-tl-content-color: #6b7280;
    --bkbg-tl-content-size: 15px;
    --bkbg-tl-spacing: 40px;
    
    position: relative;
    width: 100%;
}

/* ========================================
   Vertical Layout
   ======================================== */

.bkbg-tl-vertical .bkbg-tl-items {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--bkbg-tl-spacing);
}

/* Connector line - vertical */
.bkbg-tl-vertical.bkbg-tl-has-connector .bkbg-tl-items::before {
    content: '';
    position: absolute;
    left: calc(var(--bkbg-tl-marker-size) / 2 - var(--bkbg-tl-line-width) / 2);
    top: 0;
    bottom: 0;
    width: var(--bkbg-tl-line-width);
    background-color: var(--bkbg-tl-line-color);
}

.bkbg-tl-vertical.bkbg-tl-connector-dashed .bkbg-tl-items::before {
    background: repeating-linear-gradient(
        to bottom,
        var(--bkbg-tl-line-color) 0,
        var(--bkbg-tl-line-color) 8px,
        transparent 8px,
        transparent 16px
    );
}

.bkbg-tl-vertical.bkbg-tl-connector-dotted .bkbg-tl-items::before {
    background: repeating-linear-gradient(
        to bottom,
        var(--bkbg-tl-line-color) 0,
        var(--bkbg-tl-line-color) 4px,
        transparent 4px,
        transparent 10px
    );
}

/* Item - vertical default (left aligned) */
.bkbg-tl-vertical .bkbg-tl-item {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding-left: 0;
}

/* Marker */
.bkbg-tl-marker {
    flex-shrink: 0;
    width: var(--bkbg-tl-marker-size);
    height: var(--bkbg-tl-marker-size);
    border-radius: 50%;
    background-color: var(--bkbg-tl-marker-bg);
    color: var(--bkbg-tl-marker-color);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.bkbg-tl-marker-icon {
    width: 50%;
    height: 50%;
}

/* Dashicon in marker */
.bkbg-tl-marker-dashicon {
    font-size: calc(var(--bkbg-tl-marker-size) * 0.5);
    width: auto;
    height: auto;
    line-height: 1;
}

/* Custom image in marker */
.bkbg-tl-marker-img {
    width: 60%;
    height: 60%;
    object-fit: contain;
    border-radius: 50%;
}

.bkbg-tl-marker-number {
    font-size: calc(var(--bkbg-tl-marker-size) * 0.4);
    font-weight: 700;
}

.bkbg-tl-marker-dot {
    width: 40%;
    height: 40%;
    background-color: var(--bkbg-tl-marker-color);
    border-radius: 50%;
}

/* Card */
.bkbg-tl-card {
    flex: 1;
    background-color: var(--bkbg-tl-card-bg);
    border: var(--bkbg-tl-card-border-w) solid var(--bkbg-tl-card-border);
    border-radius: var(--bkbg-tl-card-radius);
    padding: var(--bkbg-tl-card-padding);
    position: relative;
}

.bkbg-tl-card.has-shadow {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

/* Card arrow - vertical */
.bkbg-tl-vertical .bkbg-tl-card::before {
    content: '';
    position: absolute;
    left: -8px;
    top: calc(var(--bkbg-tl-marker-size) / 2 - 8px);
    width: 16px;
    height: 16px;
    background-color: var(--bkbg-tl-card-bg);
    border-left: var(--bkbg-tl-card-border-w) solid var(--bkbg-tl-card-border);
    border-bottom: var(--bkbg-tl-card-border-w) solid var(--bkbg-tl-card-border);
    transform: rotate(45deg);
}

.bkbg-tl-card.has-shadow::before {
    box-shadow: -2px 2px 4px rgba(0, 0, 0, 0.04);
}

/* Date */
.bkbg-tl-date {
    color: var(--bkbg-tl-date-color);
    font-size: var(--bkbg-tl-date-size);
    font-weight: var(--bkbg-tl-date-weight);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Title */
.bkbg-tl-title {
    color: var(--bkbg-tl-title-color);
    font-size: var(--bkbg-tl-title-size);
    font-weight: var(--bkbg-tl-title-weight);
    margin: 0 0 12px 0;
    line-height: 1.3;
}

/* Content */
.bkbg-tl-content {
    color: var(--bkbg-tl-content-color);
    font-size: var(--bkbg-tl-content-size);
    margin: 0;
    line-height: 1.6;
}

/* ========================================
   Alternating Layout (Vertical)
   ======================================== */

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-items {
    padding-left: calc(var(--bkbg-tl-marker-size) / 2);
    padding-right: calc(var(--bkbg-tl-marker-size) / 2);
}

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-items::before {
    left: 50%;
    transform: translateX(-50%);
}

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item {
    width: calc(50% - var(--bkbg-tl-marker-size) / 2);
}

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-left {
    padding-right: 20px;
    margin-left: 0;
    margin-right: auto;
    flex-direction: row-reverse;
    text-align: right;
}

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-right {
    padding-left: 20px;
    margin-left: auto;
    margin-right: 0;
}

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-left .bkbg-tl-marker {
    position: absolute;
    right: calc(-1 * var(--bkbg-tl-marker-size) - 20px);
    top: 0;
}

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-right .bkbg-tl-marker {
    position: absolute;
    left: calc(-1 * var(--bkbg-tl-marker-size) - 20px);
    top: 0;
}

/* Card arrows for alternating */
.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-left .bkbg-tl-card::before {
    left: auto;
    right: -8px;
    border-left: none;
    border-bottom: none;
    border-right: var(--bkbg-tl-card-border-w) solid var(--bkbg-tl-card-border);
    border-top: var(--bkbg-tl-card-border-w) solid var(--bkbg-tl-card-border);
}

.bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-left .bkbg-tl-card.has-shadow::before {
    box-shadow: 2px -2px 4px rgba(0, 0, 0, 0.04);
}

/* ========================================
   Horizontal Layout
   ======================================== */

.bkbg-tl-horizontal .bkbg-tl-items {
    display: flex;
    flex-direction: row;
    gap: 0;
    overflow-x: auto;
    padding: 20px 0 40px;
    position: relative;
}

.bkbg-tl-horizontal .bkbg-tl-item {
    flex: 0 0 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    padding: 0 calc(var(--bkbg-tl-spacing) / 2);
}

/* Connector line - horizontal: line after each item except last */
.bkbg-tl-horizontal.bkbg-tl-has-connector .bkbg-tl-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: calc(var(--bkbg-tl-marker-size) / 2 - var(--bkbg-tl-line-width) / 2);
    left: calc(50% + var(--bkbg-tl-marker-size) / 2);
    width: calc(100% - var(--bkbg-tl-marker-size));
    height: var(--bkbg-tl-line-width);
    background-color: var(--bkbg-tl-line-color);
}

.bkbg-tl-horizontal.bkbg-tl-connector-dashed .bkbg-tl-item:not(:last-child)::after {
    background: repeating-linear-gradient(
        to right,
        var(--bkbg-tl-line-color) 0,
        var(--bkbg-tl-line-color) 8px,
        transparent 8px,
        transparent 16px
    );
}

.bkbg-tl-horizontal.bkbg-tl-connector-dotted .bkbg-tl-item:not(:last-child)::after {
    background: repeating-linear-gradient(
        to right,
        var(--bkbg-tl-line-color) 0,
        var(--bkbg-tl-line-color) 4px,
        transparent 4px,
        transparent 10px
    );
}

.bkbg-tl-horizontal .bkbg-tl-card {
    margin-top: 20px;
    text-align: center;
}

.bkbg-tl-horizontal .bkbg-tl-card::before {
    display: none;
}

/* ========================================
   Animations
   ======================================== */

.bkbg-tl-wrap[data-animate="1"] .bkbg-tl-item {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.bkbg-tl-wrap[data-animate="1"][data-animation="fade-up"] .bkbg-tl-item {
    transform: translateY(30px);
}

.bkbg-tl-wrap[data-animate="1"][data-animation="fade-in"] .bkbg-tl-item {
    transform: none;
}

.bkbg-tl-wrap[data-animate="1"][data-animation="slide-in"] .bkbg-tl-item-left {
    transform: translateX(-30px);
}

.bkbg-tl-wrap[data-animate="1"][data-animation="slide-in"] .bkbg-tl-item-right {
    transform: translateX(30px);
}

.bkbg-tl-wrap[data-animate="1"][data-animation="scale-up"] .bkbg-tl-item {
    transform: scale(0.9);
}

.bkbg-tl-wrap[data-animate="1"] .bkbg-tl-item.is-visible {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

/* ========================================
   Editor Styles
   ======================================== */

/* Marker clickable in editor */
.bkbg-tl-marker-clickable {
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s;
}

.bkbg-tl-marker-clickable:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Icon Picker Modal
   ======================================== */

.bkbg-tl-icon-popover {
    z-index: 1000001 !important;
}

.bkbg-tl-icon-picker-modal {
    width: 380px;
    max-width: 90vw;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.bkbg-tl-icon-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #e5e7eb;
    background: #f9fafb;
}

.bkbg-tl-icon-picker-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
}

.bkbg-tl-icon-picker-close {
    min-width: 24px !important;
    height: 24px !important;
    padding: 0 !important;
}

/* Tab Panel */
.bkbg-tl-icon-tabs {
    padding: 0;
}

.bkbg-tl-icon-tabs .components-tab-panel__tabs {
    border-bottom: 1px solid #e5e7eb;
    padding: 0 16px;
    justify-content: flex-start;
    gap: 0;
}

.bkbg-tl-icon-tabs .components-tab-panel__tabs-item {
    padding: 10px 16px;
    border: none;
    background: none;
    color: #6b7280;
    font-weight: 500;
    font-size: 13px;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s;
}

.bkbg-tl-icon-tabs .components-tab-panel__tabs-item:hover {
    color: #1f2937;
}

.bkbg-tl-icon-tabs .components-tab-panel__tabs-item.is-active {
    color: var(--wp-admin-theme-color, #007cba);
    border-bottom-color: var(--wp-admin-theme-color, #007cba);
}

/* Dashicons Panel */
.bkbg-tl-dashicons-panel {
    padding: 12px;
}

.bkbg-tl-icon-search {
    margin-bottom: 12px;
}

.bkbg-tl-icon-search input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 13px;
}

.bkbg-tl-icon-search input:focus {
    border-color: var(--wp-admin-theme-color, #007cba);
    box-shadow: 0 0 0 1px var(--wp-admin-theme-color, #007cba);
    outline: none;
}

.bkbg-tl-dashicons-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    max-height: 280px;
    overflow-y: auto;
    padding: 4px;
}

.bkbg-tl-dashicon-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    border-radius: 6px;
    background: #f3f4f6;
    cursor: pointer;
    transition: all 0.15s;
}

.bkbg-tl-dashicon-btn:hover {
    background: #e5e7eb;
    transform: scale(1.1);
}

.bkbg-tl-dashicon-btn.is-active {
    border-color: var(--wp-admin-theme-color, #007cba);
    background: #eff6ff;
}

.bkbg-tl-dashicon-btn .dashicons {
    font-size: 20px;
    width: 20px;
    height: 20px;
    color: #374151;
}

.bkbg-tl-no-icons {
    grid-column: 1 / -1;
    text-align: center;
    color: #6b7280;
    padding: 24px;
    font-size: 13px;
}

/* Media Panel */
.bkbg-tl-media-panel {
    padding: 20px 16px;
    text-align: center;
}

.bkbg-tl-current-media {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding: 16px;
    background: #f9fafb;
    border-radius: 8px;
}

.bkbg-tl-current-media img {
    max-width: 80px;
    max-height: 80px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.bkbg-tl-media-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 8px;
    padding: 10px 20px !important;
}

.bkbg-tl-media-btn .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

.bkbg-tl-media-hint {
    margin-top: 12px;
    font-size: 12px;
    color: #6b7280;
}

/* Old icon picker - deprecated, keep for compatibility */
.bkbg-tl-icon-picker {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 4px;
    padding: 8px;
    min-width: 200px;
}

.bkbg-tl-icon-picker-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid transparent;
    border-radius: 6px;
    background: #f3f4f6;
    cursor: pointer;
    transition: all 0.15s;
}

.bkbg-tl-icon-picker-btn:hover {
    background: #e5e7eb;
}

.bkbg-tl-icon-picker-btn.is-active {
    border-color: var(--wp-admin-theme-color, #007cba);
    background: #eff6ff;
}

.bkbg-tl-icon-picker-btn svg {
    width: 20px;
    height: 20px;
    fill: #374151;
}

/* Item hover in editor */
.bkbg-tl-item {
    position: relative;
}

.bkbg-tl-item-actions {
    position: absolute;
    top: 0;
    right: -44px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s, visibility 0.15s;
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    padding: 4px;
    z-index: 10;
}

.bkbg-tl-item:hover .bkbg-tl-item-actions,
.bkbg-tl-item-hovered .bkbg-tl-item-actions {
    opacity: 1;
    visibility: visible;
}

.bkbg-tl-item-actions .components-button {
    min-width: 28px;
    height: 28px;
    padding: 0;
    justify-content: center;
}

.bkbg-tl-item-actions .components-button:hover {
    background: #f3f4f6;
}

.bkbg-tl-item-actions .components-button.is-destructive:hover {
    background: #fef2f2;
    color: #dc2626;
}

/* Add button UI is standardized via assets/css/editor.css (.bkbg-editor-actions) */

/* Alternating in editor - adjust actions position */
.bkbg-tl-alternating .bkbg-tl-item-left .bkbg-tl-item-actions {
    right: auto;
    left: -44px;
}

/* Horizontal layout - actions below card, horizontal buttons */
.bkbg-tl-horizontal .bkbg-tl-item-actions {
    position: absolute;
    top: auto;
    bottom: -40px;
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    flex-direction: row;
}

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

@media (max-width: 768px) {
    /* Disable alternating on mobile */
    .bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-items::before {
        left: calc(var(--bkbg-tl-marker-size) / 2 - var(--bkbg-tl-line-width) / 2);
        transform: none;
    }
    
    .bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item {
        width: 100%;
        padding-left: 0;
        padding-right: 0;
        margin-left: 0;
        flex-direction: row;
        text-align: left;
    }
    
    .bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-left .bkbg-tl-marker,
    .bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-right .bkbg-tl-marker {
        position: relative;
        left: auto;
        right: auto;
    }
    
    .bkbg-tl-vertical.bkbg-tl-alternating .bkbg-tl-item-left .bkbg-tl-card::before {
        left: -8px;
        right: auto;
        border-right: none;
        border-top: none;
        border-left: var(--bkbg-tl-card-border-w) solid var(--bkbg-tl-card-border);
        border-bottom: var(--bkbg-tl-card-border-w) solid var(--bkbg-tl-card-border);
    }
    
    .bkbg-tl-horizontal .bkbg-tl-item {
        flex: 0 0 240px;
    }
    
    .bkbg-tl-item-actions {
        right: -36px;
    }
    
    .bkbg-tl-alternating .bkbg-tl-item-left .bkbg-tl-item-actions {
        left: auto;
        right: -36px;
    }
}