/**
 * Esyasoft Unified Utility Cloud (UUC) Tabs Styles
 * Aligned with Ant Design v5, Material-UI and UUC Design Tokens
 */

/* =========================================
   1. Root Tabs Container & CSS Variables
   ========================================= */
:root {
    --uuc-tabs-font-family: var(--uuc-font-primary, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif);
    --uuc-tabs-color: var(--uuc-color-text-secondary, #4b5563);
    --uuc-tabs-color-hover: var(--uuc-color-primary-hover, #4096ff);
    --uuc-tabs-color-active: var(--uuc-color-primary, #1677ff);
    --uuc-tabs-color-disabled: var(--uuc-color-text-disabled, #9ca3af);
    --uuc-tabs-border-color: #e5e7eb;
    --uuc-tabs-card-bg: #fafafa;
    --uuc-tabs-card-active-bg: #ffffff;
    --uuc-tabs-card-border: #d9d9d9;
    --uuc-tabs-indicator-color: var(--uuc-color-primary, #1677ff);
    --uuc-tabs-indicator-thickness: 2px;
}

.uuc-tabs {
    display: flex;
    flex-direction: column;
    width: 100%;
    font-family: var(--uuc-tabs-font-family);
    color: var(--uuc-tabs-color);
    box-sizing: border-box;
}

.uuc-tabs *,
.uuc-tabs *::before,
.uuc-tabs *::after {
    box-sizing: border-box;
}

/* =========================================
   2. Nav Bar Layout
   ========================================= */
.uuc-tabs-nav {
    position: relative;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--uuc-tabs-border-color);
    margin: 0;
    padding: 0;
    transition: border-color 0.2s ease;
}

.uuc-tabs-nav-wrap {
    position: relative;
    display: flex;
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    -ms-overflow-style: none;
    white-space: nowrap;
}

.uuc-tabs-nav-wrap::-webkit-scrollbar {
    display: none;
}

.uuc-tabs-nav-list {
    position: relative;
    display: flex;
    align-items: center;
    gap: 32px;
    margin: 0;
    padding: 0;
    transition: transform 0.25s ease-in-out;
}

/* Centered */
.uuc-tabs-centered .uuc-tabs-nav-wrap {
    justify-content: center;
}

.uuc-tabs-centered .uuc-tabs-nav-list {
    justify-content: center;
}

/* Extra Content Slots */
.uuc-tabs-extra-left {
    display: flex;
    align-items: center;
    margin-right: 16px;
    flex-shrink: 0;
}

.uuc-tabs-extra-right {
    display: flex;
    align-items: center;
    margin-left: 16px;
    flex-shrink: 0;
}

/* =========================================
   3. Individual Tab Item
   ========================================= */
.uuc-tabs-tab {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    outline: none;
    cursor: pointer;
    text-decoration: none;
    user-select: none;
    background: transparent;
    border: none;
    color: var(--uuc-tabs-color);
    transition: color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1), background 0.2s;
}

.uuc-tabs-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
}

.uuc-tabs-tab-icon {
    display: inline-flex;
    align-items: center;
    font-size: 1.05em;
    line-height: 1;
}

.uuc-tabs-tab-title {
    display: inline-block;
    line-height: 1.5;
}

/* Hover and Focus */
.uuc-tabs-tab:hover:not(.uuc-tabs-tab-disabled) {
    color: var(--uuc-tabs-color-hover);
}

.uuc-tabs-tab:focus-visible:not(.uuc-tabs-tab-disabled) {
    color: var(--uuc-tabs-color-active);
    outline: 2px solid rgba(22, 119, 255, 0.2);
    outline-offset: 2px;
}

/* Active State */
.uuc-tabs-tab.uuc-tabs-tab-active {
    color: var(--uuc-tabs-color-active);
    font-weight: 500;
}

/* Disabled State */
.uuc-tabs-tab.uuc-tabs-tab-disabled {
    color: var(--uuc-tabs-color-disabled) !important;
    cursor: not-allowed;
    pointer-events: none;
}

/* Badge / Counter */
.uuc-tabs-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1px 7px;
    font-size: 11px;
    font-weight: 600;
    line-height: 1.2;
    border-radius: 10px;
    background: var(--uuc-color-primary-bg, #e6f4ff);
    color: var(--uuc-color-primary, #1677ff);
    margin-left: 2px;
}

.uuc-tabs-tab.uuc-tabs-tab-active .uuc-tabs-badge {
    background: var(--uuc-color-primary, #1677ff);
    color: #ffffff;
}

.uuc-tabs-tab.uuc-tabs-tab-disabled .uuc-tabs-badge {
    background: #f3f4f6;
    color: var(--uuc-color-text-disabled, #9ca3af);
}

/* =========================================
   4. Line Mode (Default) & Ink Bar Indicator
   ========================================= */
.uuc-tabs-line .uuc-tabs-tab {
    padding: 12px 0;
}

.uuc-tabs-ink-bar {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: var(--uuc-tabs-indicator-thickness);
    background-color: var(--uuc-tabs-indicator-color);
    border-radius: 1px;
    pointer-events: none;
    animation: uucTabFadeIn 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}

@keyframes uucTabFadeIn {
    from {
        opacity: 0;
        transform: scaleX(0.8);
    }
    to {
        opacity: 1;
        transform: scaleX(1);
    }
}

/* =========================================
   5. Card Mode & EditableCard
   ========================================= */
.uuc-tabs-card .uuc-tabs-nav-list {
    gap: 4px;
    padding-bottom: 0;
}

.uuc-tabs-card .uuc-tabs-tab {
    padding: 8px 16px;
    background: var(--uuc-tabs-card-bg);
    border: 1px solid var(--uuc-tabs-card-border);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    margin-bottom: -1px;
    transition: all 0.2s ease;
}

.uuc-tabs-card .uuc-tabs-tab:hover:not(.uuc-tabs-tab-disabled) {
    color: var(--uuc-tabs-color-hover);
    background: #ffffff;
}

.uuc-tabs-card .uuc-tabs-tab.uuc-tabs-tab-active {
    background: var(--uuc-tabs-card-active-bg);
    border-color: var(--uuc-tabs-card-border);
    border-bottom-color: var(--uuc-tabs-card-active-bg);
    color: var(--uuc-tabs-color-active);
    z-index: 2;
}

/* Remove button (Close 'x') in EditableCard */
.uuc-tabs-tab-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 8px;
    padding: 0;
    font-size: 13px;
    line-height: 1;
    color: #9ca3af;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    outline: none;
    transition: all 0.2s;
}

.uuc-tabs-tab-remove:hover {
    color: #374151;
    background: rgba(0, 0, 0, 0.08);
}

/* Add Button (+) in EditableCard */
.uuc-tabs-nav-add {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 12px;
    font-size: 13px;
    color: #4b5563;
    background: var(--uuc-tabs-card-bg);
    border: 1px dashed var(--uuc-tabs-card-border);
    border-radius: 6px;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
    align-self: center;
    margin-left: 4px;
}

.uuc-tabs-nav-add:hover {
    color: var(--uuc-tabs-color-active);
    border-color: var(--uuc-tabs-color-active);
    background: #ffffff;
}

/* =========================================
   6. Size Variations (Small, Middle, Large)
   ========================================= */
/* Small */
.uuc-tabs-small .uuc-tabs-tab {
    font-size: 12px;
}
.uuc-tabs-small.uuc-tabs-line .uuc-tabs-tab {
    padding: 8px 0;
}
.uuc-tabs-small.uuc-tabs-card .uuc-tabs-tab {
    padding: 5px 12px;
}
.uuc-tabs-small .uuc-tabs-nav-list {
    gap: 20px;
}
.uuc-tabs-small.uuc-tabs-card .uuc-tabs-nav-list {
    gap: 3px;
}
.uuc-tabs-small .uuc-tabs-nav-add {
    height: 28px;
    padding: 0 9px;
    font-size: 12px;
}

/* Middle (Default) */
.uuc-tabs-middle .uuc-tabs-tab {
    font-size: 14px;
}
.uuc-tabs-middle.uuc-tabs-line .uuc-tabs-tab {
    padding: 12px 0;
}
.uuc-tabs-middle.uuc-tabs-card .uuc-tabs-tab {
    padding: 8px 16px;
}

/* Large */
.uuc-tabs-large .uuc-tabs-tab {
    font-size: 16px;
}
.uuc-tabs-large.uuc-tabs-line .uuc-tabs-tab {
    padding: 16px 0;
}
.uuc-tabs-large.uuc-tabs-card .uuc-tabs-tab {
    padding: 11px 20px;
}
.uuc-tabs-large .uuc-tabs-nav-list {
    gap: 40px;
}
.uuc-tabs-large.uuc-tabs-card .uuc-tabs-nav-list {
    gap: 6px;
}
.uuc-tabs-large .uuc-tabs-nav-add {
    height: 40px;
    padding: 0 14px;
    font-size: 15px;
}

/* =========================================
   7. Positions (Top, Bottom, Left, Right)
   ========================================= */

/* Top (Default) */
.uuc-tabs-top {
    flex-direction: column;
}
.uuc-tabs-top .uuc-tabs-nav {
    border-bottom: 1px solid var(--uuc-tabs-border-color);
}

/* Bottom */
.uuc-tabs-bottom {
    flex-direction: column-reverse;
}
.uuc-tabs-bottom .uuc-tabs-nav {
    border-top: 1px solid var(--uuc-tabs-border-color);
    border-bottom: none;
}
.uuc-tabs-bottom.uuc-tabs-line .uuc-tabs-ink-bar {
    top: -1px;
    bottom: auto;
}
.uuc-tabs-bottom.uuc-tabs-card .uuc-tabs-tab {
    border-top: none;
    border-bottom: 1px solid var(--uuc-tabs-card-border);
    border-radius: 0 0 6px 6px;
    margin-top: -1px;
    margin-bottom: 0;
}
.uuc-tabs-bottom.uuc-tabs-card .uuc-tabs-tab.uuc-tabs-tab-active {
    border-top-color: var(--uuc-tabs-card-active-bg);
}

/* Left (Vertical) */
.uuc-tabs-left {
    flex-direction: row;
}
.uuc-tabs-left .uuc-tabs-nav {
    flex-direction: column;
    align-items: stretch;
    border-right: 1px solid var(--uuc-tabs-border-color);
    border-bottom: none;
    min-width: 140px;
}
.uuc-tabs-left .uuc-tabs-nav-wrap {
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
}
.uuc-tabs-left .uuc-tabs-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
}
.uuc-tabs-left.uuc-tabs-line .uuc-tabs-tab {
    padding: 10px 16px;
    justify-content: flex-start;
}
.uuc-tabs-left.uuc-tabs-line .uuc-tabs-ink-bar {
    top: 0;
    bottom: 0;
    right: -1px;
    left: auto;
    width: var(--uuc-tabs-indicator-thickness);
    height: 100%;
}
.uuc-tabs-left.uuc-tabs-card .uuc-tabs-tab {
    border-radius: 6px 0 0 6px;
    border: 1px solid var(--uuc-tabs-card-border);
    border-right: none;
    margin-right: -1px;
    margin-bottom: 0;
    justify-content: flex-start;
}
.uuc-tabs-left .uuc-tabs-content-holder {
    flex: 1;
    padding-left: 20px;
    padding-top: 0;
}

/* Right (Vertical) */
.uuc-tabs-right {
    flex-direction: row-reverse;
}
.uuc-tabs-right .uuc-tabs-nav {
    flex-direction: column;
    align-items: stretch;
    border-left: 1px solid var(--uuc-tabs-border-color);
    border-bottom: none;
    min-width: 140px;
}
.uuc-tabs-right .uuc-tabs-nav-wrap {
    overflow-x: hidden;
    overflow-y: auto;
    width: 100%;
}
.uuc-tabs-right .uuc-tabs-nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
}
.uuc-tabs-right.uuc-tabs-line .uuc-tabs-tab {
    padding: 10px 16px;
    justify-content: flex-start;
}
.uuc-tabs-right.uuc-tabs-line .uuc-tabs-ink-bar {
    top: 0;
    bottom: 0;
    left: -1px;
    right: auto;
    width: var(--uuc-tabs-indicator-thickness);
    height: 100%;
}
.uuc-tabs-right.uuc-tabs-card .uuc-tabs-tab {
    border-radius: 0 6px 6px 0;
    border: 1px solid var(--uuc-tabs-card-border);
    border-left: none;
    margin-left: -1px;
    margin-bottom: 0;
    justify-content: flex-start;
}
.uuc-tabs-right .uuc-tabs-content-holder {
    flex: 1;
    padding-right: 20px;
    padding-top: 0;
}

/* =========================================
   8. Content & Panes
   ========================================= */
.uuc-tabs-content-holder {
    flex: 1;
    min-width: 0;
    padding: 16px 0;
}

.uuc-tabs-tabpane {
    outline: none;
    animation: uucPaneFadeIn 0.25s ease;
}

@keyframes uucPaneFadeIn {
    from {
        opacity: 0.6;
        transform: translateY(2px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}