/* ========================================
   HUMBOLDT EVENTS — LAYOUT
   Navbar, sidebar, footer, grid, breakpoints
   Mobile-first
   ======================================== */

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: var(--bg-navbar);
    border-bottom: 1px solid var(--border-light);
    z-index: var(--z-navbar);
    display: flex;
    align-items: center;
    padding: 0 var(--container-padding);
}
.navbar__inner {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text);
    font-weight: 700;
    font-size: var(--text-lg);
    white-space: nowrap;
    text-decoration: none;
}
.navbar__logo:hover { color: var(--accent); }
.navbar__logo img,
.navbar__logo svg {
    height: 32px;
    width: 32px;
}

.navbar__nav {
    display: none;
    align-items: center;
    gap: var(--space-sm);
}
.navbar__nav a {
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}
.navbar__nav a:hover {
    color: var(--accent);
    background: var(--accent-muted);
}
.navbar__nav a.active {
    color: var(--accent);
    border-bottom: 2px solid var(--accent);
}

.navbar__spacer { flex: 1; }

.navbar__search {
    position: relative;
    display: none;
}
.navbar__search input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text);
    padding: 8px 16px;
    font-size: var(--text-sm);
    width: 200px;
    transition: all var(--transition-base);
    outline: none;
}
.navbar__search input:focus {
    width: 320px;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-muted);
}
.navbar__search--icon { display: none; }

.navbar__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--text-lg);
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}
.theme-toggle:hover { color: var(--accent); background: var(--accent-muted); }

.navbar__hamburger {
    display: flex;
    background: none;
    border: none;
    color: var(--text);
    font-size: var(--text-xl);
    cursor: pointer;
    padding: 8px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

@media (min-width: 768px) {
    .navbar__hamburger { display: none; }
    .navbar__nav { display: flex; }
    .navbar__search { display: block; }
}
@media (max-width: 767px) {
    .navbar__search { display: none; }
    .navbar__search--icon { display: flex; }
}

/* Search overlay (mobile) */
.search-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg);
    z-index: calc(var(--z-modal) + 10);
    display: none;
    padding-top: var(--navbar-height);
}
.search-overlay.open { display: block; }
.search-overlay__inner {
    max-width: 640px;
    margin: 0 auto;
    padding: var(--space-lg);
}
.search-overlay__input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text);
    font-size: var(--text-lg);
    padding: var(--space-md);
    width: 100%;
    outline: none;
}
.search-overlay__input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-muted); }

/* ========================================
   MOBILE NAV PANEL
   ======================================== */
.nav-panel {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(300px, 85vw);
    background: var(--bg-sidebar);
    z-index: var(--z-sidebar);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    padding: var(--space-lg);
    overflow-y: auto;
}
.nav-panel.open { transform: translateX(0); }
.nav-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-light);
}
.nav-panel__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}
.nav-panel__links a {
    color: var(--text);
    font-size: var(--text-base);
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}
.nav-panel__links a:hover {
    color: var(--accent);
    background: var(--accent-muted);
}
.nav-panel__links a.active {
    color: var(--accent);
    background: var(--accent-muted);
}
.nav-panel__backdrop {
    position: fixed;
    inset: 0;
    background: var(--bg-modal);
    z-index: calc(var(--z-sidebar) - 1);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}
.nav-panel__backdrop.open { opacity: 1; pointer-events: auto; }

/* ========================================
   MOBILE BOTTOM TAB BAR
   ======================================== */
.bottom-tabs {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-bar-height);
    background: var(--bg-navbar);
    border-top: 1px solid var(--border-light);
    display: flex;
    z-index: var(--z-navbar);
}
.bottom-tabs__item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--text-muted);
    font-size: 10px;
    text-decoration: none;
    padding: 6px 0;
    min-height: 44px;
}
.bottom-tabs__item svg,
.bottom-tabs__item img {
    width: 20px;
    height: 20px;
}
.bottom-tabs__item.active { color: var(--accent); }
.bottom-tabs__item--center {
    position: relative;
    top: -12px;
}
.bottom-tabs__item--center .bottom-tabs__center-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--accent);
    color: var(--text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    box-shadow: var(--shadow-glow);
    border: 3px solid var(--bg);
}
@media (min-width: 768px) {
    .bottom-tabs { display: none; }
}

/* ========================================
   PAGE GRID (desktop sidebar layout)
   ======================================== */
.page {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--container-padding);
    display: grid;
    gap: var(--space-lg);
    grid-template-columns: 1fr;
}
.page--with-sidebar {
    grid-template-columns: 1fr;
}
@media (min-width: 1024px) {
    .page--with-sidebar {
        grid-template-columns: minmax(0, 1fr) var(--sidebar-width);
    }
}
.page__main { min-width: 0; }
.page__sidebar {
    display: none;
    flex-direction: column;
    gap: var(--space-lg);
}
@media (min-width: 1024px) {
    .page__sidebar { display: flex; }
}

/* ========================================
   HERO
   ======================================== */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3xl) var(--container-padding);
    min-height: 300px;
    overflow: hidden;
    background: var(--bg-card);
}
.hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, var(--bg) 95%);
    z-index: 1;
}
.hero__content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    width: 100%;
}
.hero__title {
    font-size: var(--text-3xl);
    font-weight: 800;
    margin-bottom: var(--space-sm);
    text-shadow: var(--shadow-md);
}
.hero__subtitle {
    color: var(--text-muted);
    font-size: var(--text-lg);
    margin-bottom: var(--space-lg);
}
.hero__search {
    position: relative;
    margin-bottom: var(--space-lg);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}
.hero__search input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text);
    font-size: var(--text-base);
    padding: 14px 20px;
    outline: none;
    transition: all var(--transition-fast);
}
.hero__search input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-muted);
}
.hero__cats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}
@media (min-width: 768px) {
    .hero { min-height: 420px; }
    .hero__title { font-size: var(--text-5xl); }
}

/* Category pill */
.cat-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: var(--text-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}
.cat-pill:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-1px);
}
.cat-pill svg,
.cat-pill img {
    width: 16px;
    height: 16px;
}
.cat-pill.active {
    background: var(--accent);
    color: var(--text-inverse);
    border-color: var(--accent);
}

/* ========================================
   SIDEBAR
   ======================================== */
.sidebar-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
}
.sidebar-section__title {
    font-size: var(--text-base);
    font-weight: 700;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-light);
}
.sidebar-section__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-section__list a {
    color: var(--text-muted);
    font-size: var(--text-sm);
    transition: all var(--transition-fast);
}
.sidebar-section__list a:hover { color: var(--accent); }

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--bg-navbar);
    border-top: 1px solid var(--border-light);
    margin-top: var(--space-2xl);
    padding: var(--space-2xl) var(--container-padding) calc(var(--bottom-bar-height) + var(--space-lg));
}
.footer__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-xl);
}
.footer__col h4 {
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
    cursor: pointer;
}
.footer__col ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}
.footer__col ul a {
    color: var(--text-muted);
    font-size: var(--text-sm);
}
.footer__col ul a:hover { color: var(--accent); }
.footer__newsletter input {
    width: 100%;
    margin-bottom: var(--space-sm);
}
.footer__bottom {
    max-width: var(--max-width);
    margin: var(--space-xl) auto 0;
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-sm);
    color: var(--text-dim);
    font-size: var(--text-xs);
}
.footer__bottom a { color: var(--text-dim); }
.footer__bottom a:hover { color: var(--accent); }

@media (min-width: 768px) {
    .footer { padding-bottom: var(--space-lg); }
    .footer__inner { grid-template-columns: repeat(4, 1fr); }
    .footer__col h4 { cursor: default; }
}

/* Mobile footer accordion */
@media (max-width: 767px) {
    .footer__col ul { display: none; }
    .footer__col.open ul { display: flex; }
    .footer__col h4::after {
        content: ' +';
        float: right;
        color: var(--text-dim);
    }
    .footer__col.open h4::after { content: ' -'; }
}

/* ========================================
   GRIDS
   ======================================== */
.event-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}
@media (min-width: 640px) {
    .event-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
    .event-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .page--with-sidebar .event-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1280px) {
    .event-grid { grid-template-columns: repeat(3, 1fr); }
    .page--with-sidebar .event-grid { grid-template-columns: repeat(3, 1fr); }
}

.entity-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}
@media (min-width: 640px) {
    .entity-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .entity-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ========================================
   PAGE HEADERS
   ======================================== */
.page-header {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-light);
}
.page-header__title {
    font-size: var(--text-2xl);
    font-weight: 800;
}
.page-header__sub {
    color: var(--text-muted);
    font-size: var(--text-sm);
    margin-top: var(--space-xs);
}

/* ========================================
   TOOLBAR (filters row)
   ======================================== */
.toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
    padding: var(--space-sm) 0 var(--space-md);
}
.toolbar__right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ========================================
   SECTION TITLES
   ======================================== */
.section-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: var(--space-xl) 0 var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-light);
}
.section-title h2 { font-size: var(--text-xl); }
.section-title__link { font-size: var(--text-sm); }

/* ========================================
   AUTH PAGES
   ======================================== */
.auth-wrap {
    min-height: calc(100vh - var(--navbar-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg) var(--container-padding);
}
.auth-card {
    width: 100%;
    max-width: 420px;
}
.auth-card__header {
    text-align: center;
    margin-bottom: var(--space-lg);
}
.auth-card__title { font-size: var(--text-2xl); }
.auth-card__sub { color: var(--text-muted); font-size: var(--text-sm); }

/* ========================================
   EVENT DETAIL
   ======================================== */
.event-hero {
    position: relative;
    height: 280px;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
}
.event-hero__bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    z-index: 0;
}
.event-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.85) 100%);
    z-index: 1;
}
.event-hero__content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--container-padding);
    color: #fff;
}
.event-hero__title {
    font-size: var(--text-2xl);
    color: #fff;
    margin-bottom: var(--space-xs);
}
.event-hero__meta { color: rgba(255,255,255,0.8); font-size: var(--text-sm); }
@media (min-width: 768px) {
    .event-hero { height: 420px; }
    .event-hero__title { font-size: var(--text-4xl); }
}

.event-detail {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--container-padding);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
}
@media (min-width: 1024px) {
    .event-detail {
        grid-template-columns: minmax(0, 1fr) 320px;
    }
}

.event-info-list { list-style: none; padding: 0; margin: 0; }
.event-info-list li {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
    font-size: var(--text-sm);
}
.event-info-list li:last-child { border-bottom: none; }
.event-info-list dt { color: var(--text-muted); font-weight: 600; }
.event-info-list dd { text-align: right; }

/* ========================================
   CALENDAR
   ======================================== */
.calendar-wrap {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-lg) var(--container-padding);
}
.calendar-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}
.calendar-nav__title { font-size: var(--text-xl); font-weight: 700; }
.calendar-nav__controls { display: flex; align-items: center; gap: var(--space-sm); }

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.calendar-grid__header {
    background: var(--bg-input);
    padding: var(--space-sm);
    text-align: center;
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.calendar-grid__day {
    min-height: 90px;
    border-right: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: var(--space-xs);
    cursor: pointer;
    transition: background var(--transition-fast);
}
.calendar-grid__day:nth-child(7n) { border-right: none; }
.calendar-grid__day:hover { background: var(--bg-card-hover); }
.calendar-grid__day--other-month { opacity: 0.35; }
.calendar-grid__day--today .calendar-grid__num {
    background: var(--accent);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
}
.calendar-grid__num {
    font-size: var(--text-xs);
    font-weight: 600;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.calendar-grid__dots {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-top: var(--space-xs);
}
.calendar-dot {
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
}
.calendar-dot--more { font-size: 9px; color: var(--text-muted); line-height: 8px; }

/* Mobile timeline */
.calendar-timeline { display: flex; flex-direction: column; gap: var(--space-md); }
.calendar-timeline__date-header {
    color: var(--text-muted);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--border-light);
    margin-top: var(--space-md);
}
.calendar-timeline__time {
    color: var(--accent);
    font-size: var(--text-sm);
    font-weight: 600;
}

/* ========================================
   SEARCH
   ======================================== */
.autocomplete {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-top: var(--space-xs);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    overflow: hidden;
    display: none;
}
.autocomplete.open { display: block; }
.autocomplete__item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    text-decoration: none;
    color: var(--text);
    transition: background var(--transition-fast);
}
.autocomplete__item:hover { background: var(--bg-card-hover); }
.autocomplete__item img {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}
.autocomplete__item--type { color: var(--text-dim); font-size: var(--text-xs); }
.autocomplete__empty { padding: var(--space-md); color: var(--text-muted); text-align: center; }

/* ========================================
   UTILITIES
   ======================================== */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); } .mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-lg); } .mt-5 { margin-top: var(--space-xl); }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); } .mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-lg); } .mb-5 { margin-bottom: var(--space-xl); }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--accent); }
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.ellipsis {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.d-none { display: none; }
@media (min-width: 768px) { .d-none-md { display: none; } }
@media (max-width: 767px) { .d-none-sm { display: none; } }

.w-100 { width: 100%; }

.hr {
    border: none;
    border-top: 1px solid var(--border-light);
    margin: var(--space-lg) 0;
}

/* Leaflet dark map tweaks */
.leaflet-container {
    border-radius: var(--radius-md);
    z-index: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}