/* ── Advanced Tabs Widget ──────────────────────────────────────────────── */

/* ── Horizontal layout ───────────────────────────────────────────────── */

.epp-tabs-wrap { width: 100%; }

.epp-tabs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0 0 0 0;
    padding: 0;
    list-style: none;
}

.epp-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--epp-radius-sm,6px);
    background: var(--epp-gray-100,#f1f5f9);
    color: var(--epp-gray-700,#374151);
    font-size: var(--epp-text-sm,13px);
    font-weight: var(--epp-font-medium,500);
    cursor: pointer;
    transition: background var(--epp-transition,.22s ease), color var(--epp-transition,.22s ease), box-shadow var(--epp-transition,.22s ease);
    white-space: nowrap;
    line-height: var(--epp-leading-snug,1.4);
    outline: none;
}
.epp-tab-btn:focus-visible {
    box-shadow: var(--epp-focus-ring,0 0 0 3px rgba(124,58,237,.25));
}
.epp-tab-btn:hover  { background: var(--epp-gray-200,#e2e8f0); }
.epp-tab-btn.active { background: var(--epp-primary,#7c3aed); color: #fff; box-shadow: var(--epp-shadow-colored,0 4px 12px rgba(124,58,237,.25)); }

/* Icon sizing */
.epp-tab-icon svg { width: 16px; height: 16px; display: block; fill: currentColor; }
.epp-tab-icon i   { font-size: 15px; line-height: 1; }

/* Icon positions */
.epp-tab-btn.epp-icon-pos-top {
    flex-direction: column;
    gap: 6px;
    padding: 12px 16px;
}
.epp-tab-btn.epp-icon-pos-top .epp-tab-icon svg { width: 20px; height: 20px; }

/* Panels */
.epp-tabs-panels { margin-top: 4px; }

.epp-tab-panel {
    background: var(--epp-card-bg,#fff);
    padding: var(--epp-space-6,24px);
    border-radius: 0 0 var(--epp-radius-sm,6px) var(--epp-radius-sm,6px);
    animation: eppTabFadeIn .25s ease;
    border: 1.5px solid var(--epp-card-border,#e5e7eb);
    border-top: none;
}
.epp-tab-panel[hidden] { display: none; }

@keyframes eppTabFadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ── Vertical layout ─────────────────────────────────────────────────── */

.epp-tabs-layout-vertical {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 0 16px;
    align-items: start;
}

.epp-tabs-layout-vertical .epp-tabs-nav {
    flex-direction: column;
    gap: 4px;
}

.epp-tabs-layout-vertical .epp-tab-btn {
    width: 100%;
    justify-content: flex-start;
    border-radius: var(--epp-radius-sm,6px);
}

.epp-tabs-layout-vertical .epp-tabs-panels {
    margin-top: 0;
}

.epp-tabs-layout-vertical .epp-tab-panel {
    border-radius: var(--epp-radius-sm,6px);
}

/* ── Accordion toggle (mobile / explicit) ────────────────────────────── */

.epp-accordion-btn {
    display: none;
    width: 100%;
    text-align: left;
    padding: 12px 16px;
    background: var(--epp-gray-100,#f1f5f9);
    border: 1.5px solid var(--epp-card-border,#e5e7eb);
    border-radius: var(--epp-radius-sm,6px);
    font-size: var(--epp-text-sm,13px);
    font-weight: var(--epp-font-medium,500);
    color: var(--epp-gray-700,#374151);
    cursor: pointer;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
    transition: background var(--epp-transition,.22s ease), color var(--epp-transition,.22s ease);
}
.epp-accordion-btn.active {
    background: var(--epp-primary,#7c3aed);
    border-color: var(--epp-primary,#7c3aed);
    color: #fff;
}

.epp-accordion-arrow {
    width: 16px;
    height: 16px;
    display: inline-block;
    flex-shrink: 0;
    position: relative;
}
.epp-accordion-arrow::before,
.epp-accordion-arrow::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 8px;
    height: 2px;
    background: currentColor;
    transition: transform .2s;
}
.epp-accordion-arrow::before { left: 1px;  transform: translateY(-50%) rotate(45deg); }
.epp-accordion-arrow::after  { right: 1px; transform: translateY(-50%) rotate(-45deg); }
.epp-accordion-btn.active .epp-accordion-arrow::before { transform: translateY(-50%) rotate(-45deg); }
.epp-accordion-btn.active .epp-accordion-arrow::after  { transform: translateY(-50%) rotate(45deg); }

/* ── Mobile accordion mode ───────────────────────────────────────────── */

@media (max-width: 767px) {
    .epp-tabs-mobile-accordion .epp-tabs-nav    { display: none; }
    .epp-tabs-mobile-accordion .epp-accordion-btn { display: flex; }

    .epp-tabs-mobile-accordion.epp-tabs-layout-vertical {
        display: block;
    }
    .epp-tabs-mobile-accordion .epp-tab-panel {
        border-radius: 0 0 var(--epp-radius-sm,6px) var(--epp-radius-sm,6px);
        margin-bottom: 4px;
    }
}

/* ── Active indicator variants ───────────────────────────────────────── */

/* Underline */
.epp-ind-underline .epp-tab-btn.active {
    background: transparent;
    color: var(--epp-primary,#7c3aed);
    border-bottom: 3px solid var(--epp-primary,#7c3aed);
    border-radius: 0;
    box-shadow: none;
}
.epp-ind-underline .epp-tab-btn:hover {
    background: rgba(0,0,0,.04);
}

/* Top line */
.epp-ind-top-line .epp-tab-btn.active {
    background: transparent;
    color: var(--epp-primary,#7c3aed);
    border-top: 3px solid var(--epp-primary,#7c3aed);
    border-radius: 0;
    box-shadow: none;
}
.epp-ind-top-line .epp-tab-btn:hover {
    background: rgba(0,0,0,.04);
}

/* Left border — designed for vertical layout */
.epp-ind-left-border .epp-tab-btn.active {
    background: transparent;
    color: var(--epp-primary,#7c3aed);
    border-left: 3px solid var(--epp-primary,#7c3aed);
    border-radius: 0;
    padding-left: calc(1em - 3px);
    box-shadow: none;
}
.epp-ind-left-border .epp-tab-btn:hover {
    background: rgba(0,0,0,.04);
}

/* ── Content transition animations ───────────────────────────────────── */

@keyframes eppTabFade {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes eppTabSlideUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes eppTabSlideLeft {
    from { opacity: 0; transform: translateX(16px); }
    to   { opacity: 1; transform: translateX(0); }
}

.epp-tab-panel.epp-anim-fade       { animation: eppTabFade .35s ease both; }
.epp-tab-panel.epp-anim-slide-up   { animation: eppTabSlideUp .35s ease both; }
.epp-tab-panel.epp-anim-slide-left { animation: eppTabSlideLeft .35s ease both; }

/* ── Empty state ─────────────────────────────────────────────────────── */
.epp-empty-state {
    padding: var(--epp-space-5,20px);
    background: var(--epp-gray-50,#f9fafb);
    border: 1.5px dashed var(--epp-gray-300,#d1d5db);
    border-radius: var(--epp-radius,8px);
    text-align: center;
    color: var(--epp-gray-500,#6b7280);
    font-size: var(--epp-text-sm,13px);
}