/**
 * Credential Hub - Sidebar Layout & Navigation
 * Bitwarden-style app sidebar: brand, nav items, collapse states, categories.
 */

/* BITWARDEN-STYLE APP LAYOUT */
.app-layout { display: flex; height: 100vh; overflow: hidden; }

/* SIDEBAR */
.sidebar { width: 220px; min-width: 220px; background: #0c1117; border-right: 1px solid rgba(255,255,255,0.08); display: flex; flex-direction: column; height: 100vh; overflow: hidden; transition: width 0.2s ease, min-width 0.2s ease; }
.sidebar-brand { padding: 20px 16px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.sidebar-brand .brand-row { display: flex; align-items: center; gap: 10px; }
.sidebar-brand .brand-icon { width: 36px; height: 36px; background: linear-gradient(135deg,#8b5cf6,#3b82f6); border-radius: 10px; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 16px rgba(139,92,246,0.35); flex-shrink: 0; }
.sidebar-brand .brand-icon span { font-size: 22px; color: #fff; }
.sidebar-brand .brand-name { font-size: 14px; font-weight: 700; color: #fff; letter-spacing: -0.3px; white-space: nowrap; }
.sidebar-brand .brand-sub { font-size: 11px; color: #64748b; margin-top: 2px; white-space: nowrap; }

.sidebar-nav { flex: 1; padding: 12px 8px; overflow-y: auto; }
.sidebar-bottom-managers { margin-top: auto; padding: 12px 8px; border-top: 1px solid rgba(255,255,255,0.06); flex-shrink: 0; }

.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: 8px; cursor: pointer; color: #94a3b8; font-size: 13px; font-weight: 500; transition: all 0.15s; margin-bottom: 2px; border: 1px solid transparent; white-space: nowrap; }
.nav-item:hover { background: rgba(255,255,255,0.05); color: #e2e8f0; }
.nav-item.active { background: rgba(16,185,129,0.15); color: #34d399; border-color: rgba(16,185,129,0.3); font-weight: 600; }
.nav-item .material-icons { font-size: 20px; flex-shrink: 0; }

/* Grayed out disabled nav items */
.nav-item.disabled,
.nav-item[data-disabled="true"],
.nav-item.disabled:hover,
.nav-item[data-disabled="true"]:hover {
    opacity: 0.35 !important;
    cursor: not-allowed !important;
    background: transparent !important;
    color: #64748b !important;
    border-color: transparent !important;
    box-shadow: none !important;
    transform: none !important;
}
.nav-item.disabled .material-icons,
.nav-item[data-disabled="true"] .material-icons {
    color: #475569 !important;
}
.nav-item.disabled .nav-label,
.nav-item[data-disabled="true"] .nav-label,
.nav-item.disabled .nav-sub-desc,
.nav-item[data-disabled="true"] .nav-sub-desc {
    color: #64748b !important;
}

/* SIDEBAR COLLAPSE TOGGLE BUTTON */
.sidebar-collapse-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 6px 12px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    transition: background 0.15s ease, color 0.15s ease;
}

.sidebar-collapse-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
}

.sidebar-collapse-btn .arrow-icon {
    font-size: 20px;
    transition: transform 0.2s ease;
}

/* COLLAPSED SIDEBAR STATE (ICONS ONLY) */
.sidebar.collapsed {
    width: 60px !important;
    min-width: 60px !important;
}

.sidebar.collapsed .sidebar-brand {
    padding: 16px 8px;
    justify-content: center;
}

.sidebar.collapsed .sidebar-brand .brand-row {
    justify-content: center;
}

.sidebar.collapsed .brand-name,
.sidebar.collapsed .brand-sub,
.sidebar.collapsed #sidebarLockVaultBtn,
.sidebar.collapsed .nav-section-label,
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-sub-desc,
.sidebar.collapsed .nav-item-stacked,
.sidebar.collapsed .nav-category-toggle .arrow {
    display: none !important;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 10px 0;
}

.sidebar.collapsed .nav-subitems {
    padding-left: 0;
}

.sidebar.collapsed .sidebar-collapse-btn {
    justify-content: center;
    padding: 6px 0;
}

.sidebar.collapsed .sidebar-collapse-btn .arrow-icon {
    transform: rotate(180deg);
}

/* COLLAPSIBLE SIDEBAR CATEGORIES */
.nav-category-toggle .arrow { font-size: 16px; color: #64748b; margin-left: auto; margin-right: 0; transition: transform 0.2s ease-in-out; }
.nav-category-toggle.open .arrow { transform: rotate(90deg); color: #38bdf8; }
.nav-subitems { display: none; margin-top: 2px; padding-left: 14px; }
.nav-subitems.open { display: block; }
.nav-subitem { font-size: 12px; padding: 8px 12px; color: #94a3b8; }
.nav-subitem:hover { color: #f1f5f9; background: rgba(255,255,255,0.05); }
.nav-subitem.active { background: rgba(56,189,248,0.15); color: #38bdf8; border-color: rgba(56,189,248,0.3); font-weight: 600; }

.nav-divider { height: 1px; background: rgba(255,255,255,0.06); margin: 10px 14px; }
.nav-section-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: #475569; padding: 8px 14px 4px; font-weight: 600; }

/* MAIN CONTENT */
.main-content { flex: 1; overflow-y: auto; background: var(--bg-color); background-image: radial-gradient(at 10% 10%,rgba(16,185,129,0.08) 0,transparent 45%),radial-gradient(at 90% 90%,rgba(6,182,212,0.06) 0,transparent 45%); }
.main-content .container { width: 100%; max-width: 100%; box-sizing: border-box; margin: 0; padding: 24px 28px; }

/* SIDEBAR UPGRADE YOUR PLAN BUTTON (Bitwarden 1:1 Parity) */
.sidebar-upgrade-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border-radius: 20px;
    cursor: pointer;
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.6);
    color: #60a5fa;
    font-size: 13px;
    font-weight: 600;
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 12px;
    transition: all 0.2s ease;
    text-align: left;
}
.sidebar-upgrade-btn:hover {
    background: rgba(37, 99, 235, 0.18);
    border-color: #3b82f6;
    color: #93c5fd;
    box-shadow: 0 0 14px rgba(37, 99, 235, 0.35);
}
.sidebar-upgrade-btn .material-icons {
    font-size: 18px;
    color: #38bdf8;
    flex-shrink: 0;
}
.sidebar.collapsed .sidebar-upgrade-btn {
    justify-content: center;
    padding: 8px 0;
    border-radius: 8px;
}
.sidebar.collapsed .sidebar-upgrade-btn .nav-label {
    display: none !important;
}

.nav-sub-desc {
    font-size: 10px;
    color: #64748b;
    display: block;
    margin-top: 1px;
    font-weight: 400;
}
.nav-item-stacked {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
}

/* TAB PANELS */
.tab-panel { display: none; }
.tab-panel.active { display: block; }