/**
 * Frontend Styles for Stellar Mobile Bottom Navigation
 * Ultra-performance, CSS variable driven, zero dependencies
 */

.smn-nav,
.smn-nav *,
.smn-nav *::before,
.smn-nav *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

.smn-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--smn-z-index, 65);
    background: var(--smn-bg, rgb(22, 109, 70));
    border-top: 1px solid var(--smn-border, hsla(0, 0%, 100%, 0.1));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    backdrop-filter: var(--smn-backdrop-blur, none);
    -webkit-backdrop-filter: var(--smn-backdrop-blur, none);
    font-family: var(--smn-font-family, inherit);
    line-height: 1;
    letter-spacing: var(--smn-letter-spacing, 0.025em);
    user-select: none;
    -webkit-user-select: none;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s ease;
}

.smn-grid {
    margin-left: auto;
    margin-right: auto;
    display: grid;
    height: var(--smn-height, 4.5rem);
    max-width: var(--smn-max-width, 32rem);
    align-items: stretch;
    width: 100%;
}

/* Nav Item Link */
.smn-item {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    text-decoration: none !important;
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    transition: opacity 0.15s ease, background-color 0.15s ease;
    padding: 0 4px;
}

.smn-item:active {
    opacity: 0.7;
}

.smn-item.is-active {
    background: var(--smn-active-bg, transparent);
}

/* Top Active Highlight Pill */
.smn-active-indicator {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: var(--smn-indicator-height, 2px);
    width: var(--smn-indicator-width, 32px);
    border-radius: 9999px;
    background: var(--smn-indicator-color, #fcd34d);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
    transition: width 0.2s ease, background-color 0.2s ease;
}

/* Icon Container */
.smn-icon-wrap {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--smn-icon-size, 24px);
    height: var(--smn-icon-size, 24px);
    transition: color 0.15s ease, transform 0.15s ease;
    color: var(--smn-inactive-color, #ffffff);
}

.smn-item.is-active .smn-icon-wrap {
    color: var(--smn-active-color, #fcd34d);
    transform: scale(1.03);
}

/* SVGs */
.smn-icon-svg {
    width: 100%;
    height: 100%;
    display: block;
    stroke-width: 1.75;
}

.smn-item.is-active .smn-icon-svg {
    fill: currentColor;
}

/* When icon is an outline-only icon like courses or store */
.smn-icon-svg[fill="none"] {
    fill: none;
}
.smn-item.is-active .smn-icon-svg[fill="none"] {
    fill: none;
    stroke-width: 2;
}

/* Custom SVG support */
.smn-icon-wrap svg {
    width: var(--smn-icon-size, 24px);
    height: var(--smn-icon-size, 24px);
    display: block;
}

/* Text Label */
.smn-label {
    font-size: var(--smn-font-size, 10px);
    font-weight: var(--smn-font-weight, 600);
    letter-spacing: var(--smn-letter-spacing, 0.025em);
    color: var(--smn-inactive-color, #ffffff);
    transition: color 0.15s ease;
    text-align: center;
    line-height: 1.1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.smn-item.is-active .smn-label {
    color: var(--smn-active-label-color, #fde68a);
}

/* Badge (WooCommerce Cart Count or Custom) */
.smn-badge {
    position: absolute;
    top: -5px;
    right: -9px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    border-radius: 9999px;
    background: var(--smn-badge-bg, #b4552d);
    color: var(--smn-badge-color, #ffffff);
    font-size: 9px;
    font-weight: 700;
    line-height: 16px;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
    pointer-events: none;
    transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: smnBadgePop 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.smn-badge.smn-badge-empty {
    display: none !important;
}

@keyframes smnBadgePop {
    0% { transform: scale(0.4); opacity: 0; }
    80% { transform: scale(1.15); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

/* Body Compensation utility */
body.has-smn-nav.smn-compensate-padding {
    transition: padding-bottom 0.2s ease;
}