/* ============================================================
   Mobile Bottom Nav — AppointmentChat (Midnight→Cyan palette)
   Drop-in component. See .claude/skills/mobile-bottom-nav/SKILL.md
   Namespaced with mn-* classes and --mn-* custom properties to
   avoid collisions with the site's own CSS / Tailwind build.
   ============================================================ */

:root {
    --mn-bg: #0A1128;
    --mn-border: #034078;
    --mn-text: #94A3B8;
    --mn-text-active: #F1F5F9;
    --mn-cta-bg: #00ADEE;
    --mn-cta-bg-hover: #1282A2;
    --mn-cta-text: #0A1128;
    --mn-cta-radius: 20px;
    --mn-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* Base rule — hidden on desktop. Flipped on inside the mobile media query below. */
.mn-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    align-items: stretch;
    justify-content: space-around;
    height: calc(56px + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--mn-bg);
    border-top: 1px solid var(--mn-border);
    font-family: var(--mn-font);
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.3);
    transform: translateY(0);
    transition: transform 0.25s ease;
}

/* Optional scroll-hide state (unused by default on AC — kept for spec completeness) */
.mn-bottom-nav--hidden {
    transform: translateY(100%);
}

.mn-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-width: 0;
    padding: 6px 4px 4px;
    color: var(--mn-text);
    text-decoration: none;
    font-family: var(--mn-font);
    font-size: 11px;
    font-weight: 600;
    line-height: 1.15;
    background: none;
    border: none;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: color 0.15s ease;
}

.mn-nav-item svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.mn-nav-item span {
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.mn-nav-item:hover,
.mn-nav-item:focus-visible {
    color: var(--mn-text-active);
}

/* Active section indicator */
.mn-nav-item.mn-active {
    color: var(--mn-text-active);
}

/* CTA — pill highlight per Brand Mapping Guide (Deep navy palettes use pill radius) */
.mn-nav-item--cta {
    margin: 6px 4px;
    border-radius: var(--mn-cta-radius);
    background: var(--mn-cta-bg);
    color: var(--mn-cta-text) !important;
}

.mn-nav-item--cta:hover,
.mn-nav-item--cta:focus-visible,
.mn-nav-item--cta.mn-active {
    background: var(--mn-cta-bg-hover);
    color: var(--mn-cta-text) !important;
}

/* Menu button is a <button>, same visual treatment as a nav item */
.mn-menu-btn {
    -webkit-appearance: none;
    appearance: none;
}

/* Full-screen menu overlay */
.mn-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1001;
    flex-direction: column;
    background: var(--mn-bg);
    padding: 24px 24px calc(24px + env(safe-area-inset-bottom, 0px));
    overflow-y: auto;
}

.mn-menu-overlay--active {
    display: flex;
}

.mn-menu-overlay-close {
    align-self: flex-end;
    background: none;
    border: none;
    color: var(--mn-text-active);
    font-size: 32px;
    line-height: 1;
    padding: 8px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.mn-menu-overlay-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 16px;
}

.mn-menu-overlay-nav a {
    display: block;
    color: var(--mn-text);
    font-family: var(--mn-font);
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    padding: 16px 8px;
    border-bottom: 1px solid var(--mn-border);
    transition: color 0.15s ease;
}

.mn-menu-overlay-nav a:hover,
.mn-menu-overlay-nav a:focus-visible {
    color: var(--mn-text-active);
}

.mn-menu-overlay-nav a.mn-menu-cta {
    margin-top: 16px;
    text-align: center;
    background: var(--mn-cta-bg);
    color: var(--mn-cta-text);
    border-radius: var(--mn-cta-radius);
    border-bottom: none;
    padding: 16px;
}

.mn-menu-overlay-nav a.mn-menu-cta:hover,
.mn-menu-overlay-nav a.mn-menu-cta:focus-visible {
    background: var(--mn-cta-bg-hover);
    color: var(--mn-cta-text);
}

/* Mobile activation — nav appears, body gets clearance padding so content
   isn't hidden behind the fixed nav. !important guards against the
   Tailwind-compiled ac-marketing.css utility classes (e.g. .py-space-8)
   winning the cascade on body padding via higher class specificity. */
@media (max-width: 768px) {
    .mn-bottom-nav {
        display: flex;
    }

    body {
        padding-bottom: calc(56px + env(safe-area-inset-bottom, 0px)) !important;
    }
}