/* static/css/layout.css — Mobile-first Android layout */

/* ── App Shell ── */
#app-layout {
    display: none;
    width: 100%;
    height: 100%;
}
#app-layout.open { display: flex; }

/* ── Sidebar Overlay ── */
#sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--scrim);
    z-index: 90;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}
#sidebar-overlay.active { display: block; }

/* ── Sidebar Drawer ── */
#sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100%;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: env(safe-area-inset-bottom, 0px);
}
#sidebar.open { transform: translateX(0); }

/* ── Logo ── */
.logo-area {
    padding: var(--sp-5) var(--sp-5);
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    border-bottom: 1px solid var(--divider);
    min-height: 60px;
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-dim);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 18px;
    flex-shrink: 0;
}
.logo-text {
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-1);
}
.logo-accent { color: var(--accent); }

/* ── Nav Items ── */
.nav-section {
    padding: var(--sp-3) var(--sp-3);
    flex: 1;
    overflow-y: auto;
}
.nav-label {
    padding: var(--sp-3) var(--sp-3) var(--sp-1);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: 0 var(--sp-3);
    height: var(--touch-min);
    border-radius: var(--r-md);
    cursor: pointer;
    color: var(--text-2);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s ease;
    touch-action: manipulation;
    user-select: none;
    margin-bottom: 2px;
}
.nav-item:active { transform: scale(0.98); }
.nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text-1); }
.nav-item.active {
    background: var(--accent-dim);
    color: var(--accent);
}
.nav-item i { width: 22px; text-align: center; font-size: 16px; flex-shrink: 0; }
.nav-divider { border: none; border-top: 1px solid var(--divider); margin: var(--sp-2) var(--sp-3); }

/* ── Main Content ── */
#main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    width: 100%;
}

/* ── Top Bar ── */
#top-bar {
    height: var(--topbar-h);
    padding: 0 var(--sp-3);
    padding-left: calc(var(--sp-3) + env(safe-area-inset-left, 0px));
    padding-right: calc(var(--sp-3) + env(safe-area-inset-right, 0px));
    border-bottom: 1px solid var(--divider);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-surface);
    flex-shrink: 0;
    z-index: 10;
}
.topbar-btn {
    background: none;
    border: none;
    color: var(--text-1);
    cursor: pointer;
    min-width: var(--touch-min);
    min-height: var(--touch-min);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--r-sm);
    font-size: 18px;
    transition: background 0.15s ease;
}
.topbar-btn:active { background: rgba(255,255,255,0.08); }
.conn-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--r-full);
    background: var(--error-dim);
    color: var(--error);
}
.conn-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: currentColor;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ── View Container ── */
.view-container {
    flex: 1;
    display: none;
    overflow: hidden;
    min-height: 0;
}
.view-container.active { display: flex; flex-direction: column; }

/* ══════════════════════════════════════════════
   BOTTOM NAVIGATION — Android Material Style
   ══════════════════════════════════════════════ */
#bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(var(--bottom-nav-h) + env(safe-area-inset-bottom, 0px));
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    z-index: 80;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    align-items: stretch;
}

.bnav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: var(--text-3);
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.15s ease;
    touch-action: manipulation;
    min-height: var(--touch-min);
    position: relative;
    user-select: none;
}
.bnav-item:active { transform: scale(0.92); }
.bnav-item i { font-size: 20px; transition: transform 0.15s ease; }
.bnav-item.active { color: var(--accent); }
.bnav-item.active i { transform: scale(1.1); }

/* Active indicator pill */
.bnav-item.active::before {
    content: '';
    position: absolute;
    top: 6px;
    width: 32px;
    height: 3px;
    background: var(--accent);
    border-radius: var(--r-full);
}

/* ── Main content offset for bottom nav ── */
#main-content {
    padding-bottom: calc(var(--bottom-nav-h) + env(safe-area-inset-bottom, 0px));
}

/* ══════════════════════════════════════
   RESPONSIVE: Desktop (>= 769px)
   ══════════════════════════════════════ */
@media (min-width: 769px) {
    #sidebar {
        position: relative;
        transform: none;
        width: var(--sidebar-w);
        flex-shrink: 0;
    }
    #sidebar-overlay { display: none !important; }
    #bottom-nav { display: none; }
    #main-content { padding-bottom: 0; }
    #mobile-menu-btn { display: none; }
}

/* ── Light Theme ── */
:root.light #top-bar { background: var(--bg-surface); }
:root.light #bottom-nav { background: var(--bg-surface); border-top-color: var(--border); }
:root.light .nav-item:hover { background: rgba(0,0,0,0.04); }
:root.light .nav-item.active { background: var(--accent-dim); }