/*
 * GNB (Global Navigation Bar) styles
 * Extracted from host app to engine for reuse across host apps.
 */

nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex-wrap: wrap;
    font-size: var(--text-1);
    gap: var(--space-1);
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-3);
    background: var(--color-nav-bg);
    color: var(--color-nav-text);
    border-bottom: 1px solid var(--color-border);
    width: 100%;
    box-sizing: border-box;
}

nav a,
nav button {
    min-width: 2em;
    line-height: 1.5;
    font-size: var(--text-1);
    background: transparent;
    color: var(--color-nav-btn-text);
    text-decoration: none;
    padding: var(--space-1);
    border-radius: var(--radius-3);
    border: none;
    transition: background 0.2s var(--ease-out-2), color 0.2s var(--ease-out-2);
}

nav a:hover,
nav button:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

nav a:active,
nav button:active {
    background: color-mix(in srgb, var(--surface-hover) 80%, var(--text-primary) 5%);
}

nav #search {
    border-radius: var(--radius-3);
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    margin-right: var(--space-1);
}

/* Progress filter button group */
.progress-filter-group {
    display: flex;
    gap: var(--space-1);
}

.progress-filter-btn {
    border-radius: var(--radius-3);
    border: none;
    background: transparent;
    padding: var(--space-1) var(--space-2);
    transition: background 0.2s var(--ease-out-2);
}

.progress-filter-btn:first-child {
    border-radius: var(--radius-3);
}

.progress-filter-btn:last-child {
    border-radius: var(--radius-3);
}

.progress-filter-btn+.progress-filter-btn {
    border-left: none;
}

.progress-filter-btn.active {
    background: var(--surface-hover);
    color: var(--text-primary);
    font-weight: var(--weight-5);
}

/* ChatGPT-style popup menu overrides */
nav .popup-menu-wrapper .popup-menu {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-3);
    box-shadow: var(--shadow-2);
    padding: var(--space-1);
    background: var(--surface-section);
}

nav .popup-menu-item button,
nav .popup-menu-item a {
    border-radius: var(--radius-2);
    padding: var(--space-1) var(--space-2);
    transition: background 0.15s var(--ease-out-2);
}

nav .popup-menu-item button:hover,
nav .popup-menu-item a:hover {
    background: var(--surface-hover);
}

#inbox-menu-btn {
    position: relative;
}

.badge {
    background: var(--color-badge-bg, red);
    color: var(--color-badge-text, white);
    border-radius: var(--radius-round);
    padding: 0 6px;
    font-size: var(--text-00);
    font-weight: var(--weight-6);
    line-height: 1.4;
    margin-left: var(--space-1);
    display: none;
    min-width: 1.2em;
    text-align: center;
}

/* Inbox slide panel */
#inbox-panel.slide-panel {
    position: fixed;
    top: 0;
    right: -360px;
    width: 360px;
    max-width: 100vw;
    height: 100%;
    background: var(--color-section-bg);
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-3);
    overflow-y: auto;
    transition: right 0.3s;
    z-index: 1000;
    border-radius: 8px 0 0 8px;
}

#inbox-panel.open {
    right: 0;
}

@media (max-width: 360px) {
    #inbox-panel.slide-panel {
        right: -100vw;
        width: 100vw;
    }

    #inbox-panel.slide-panel.open {
        right: 0;
    }
}

.inbox-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) var(--space-3);
    background: var(--color-nav-bg);
    color: var(--color-nav-text);
    border-bottom: 1px solid var(--color-border);
}

#close-inbox {
    position: static;
    color: var(--color-nav-text);
}

#inbox-panel {
    --inbox-spacing: var(--paragraph-space-1);
}

.inbox-item {
    border-bottom: 1px solid var(--color-border);
    padding: var(--inbox-spacing);
}

.inbox-item:last-child {
    border-bottom: none;
}

.inbox-item .actions button {
    margin-right: 0.5em;
    padding: 0.15em 0.4em;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2);
    background: var(--color-btn-bg);
    color: var(--color-btn-text);
    font-size: 0.75rem;
    line-height: 1.3;
    cursor: pointer;
}

.inbox-item .actions button:hover {
    filter: brightness(var(--hover-brightness, 0.95));
}

.inbox-item .actions .delete-item {
    color: var(--color-danger);
    border-color: var(--color-danger);
    background: transparent;
}

.inbox-item .actions .delete-item:hover {
    background: var(--color-danger);
    color: var(--text-on-badge);
}

/* NOTE: delete-item styles above mirror .btn-danger from dark_mode.css
   Kept here for specificity since inbox buttons use element selectors */

.inbox-empty {
    padding: var(--inbox-spacing);
}

/* Responsive visibility helpers */
.mobile-only {
    display: none;
}

.desktop-only {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

@media (max-width: 768px) {
    nav {
        padding: var(--space-3) var(--space-2);
        gap: var(--space-1);
    }

    nav #search {
        width: 8em;
    }

    .desktop-only {
        display: none !important;
    }

    .mobile-only {
        display: inline-block !important;
    }
}