/* =============================================
   loopBooks — Shared Layout CSS
   Sidebar, Topbar, Content wrapper, Chat panel
   ============================================= */

/* ─── App Shell ───────────────────────────── */
.lb-app { display: flex; height: 100vh; overflow: hidden; }

/* ─── Sidebar ─────────────────────────────── */
.lb-sidebar {
    width: 240px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
    z-index: 10;
}

.lb-sidebar-logo {
    height: 60px;
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--border-light);
    gap: 10px;
    flex-shrink: 0;
}
.lb-logo-mark {
    width: 30px; height: 30px;
    background: var(--primary);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.lb-logo-mark span {
    font-family: var(--font-display);
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    line-height: 1;
}
.lb-logo-text {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -.3px;
}
.lb-logo-text sup {
    font-family: var(--font);
    font-size: 9px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: .5px;
    text-transform: uppercase;
    vertical-align: super;
    margin-left: 2px;
}

/* Company switcher */
.lb-company-switcher-wrap { position: relative; margin: 12px 10px; }
.lb-company-switcher {
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background .15s;
    text-decoration: none;
    color: inherit;
}
.lb-company-switcher.lb-has-dropdown { cursor: pointer; }
.lb-company-switcher.lb-has-dropdown:hover { background: var(--border-light); }
.lb-company-avatar {
    width: 26px; height: 26px;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    letter-spacing: -.5px;
}
.lb-company-info { flex: 1; min-width: 0; }
.lb-company-name { font-size: 12px; font-weight: 600; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lb-company-role { font-size: 10px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .4px; }
.lb-company-chevron { color: var(--ink-3); font-size: 12px; flex-shrink: 0; transition: transform .15s; }

/* Company dropdown */
.lb-company-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-top: 4px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
    z-index: 100;
    overflow: hidden;
}
.lb-company-dropdown.open { display: block; }
.lb-company-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    cursor: pointer;
    transition: background .1s;
    font-size: 12px;
}
.lb-company-option:hover { background: var(--surface-2); }
.lb-company-option.active { background: var(--primary-soft); }
.lb-company-option-name { flex: 1; font-weight: 500; color: var(--ink); }
.lb-company-option-currency { font-size: 10px; color: var(--ink-3); text-transform: uppercase; }
.lb-company-option-check { color: var(--primary); font-size: 14px; font-weight: 700; }

/* Nav sections */
.lb-nav-section { padding: 8px 10px 4px; }
.lb-nav-label {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .7px;
    color: var(--ink-3);
    padding: 0 8px;
    margin-bottom: 2px;
}
.lb-nav-item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--ink-2);
    font-size: 13px;
    font-weight: 500;
    transition: all .12s;
    text-decoration: none;
}
.lb-nav-item:hover { background: var(--surface-2); color: var(--ink); }
.lb-nav-item.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }
.lb-nav-item.active .lb-nav-icon { color: var(--primary); }
.lb-nav-icon { width: 16px; text-align: center; font-size: 15px; color: var(--ink-3); flex-shrink: 0; }

.lb-sidebar-footer {
    margin-top: auto;
    padding: 10px;
    border-top: 1px solid var(--border-light);
}

/* ─── Main Area ───────────────────────────── */
.lb-main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

/* ─── Top Bar ─────────────────────────────── */
.lb-topbar {
    height: 60px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 12px;
    flex-shrink: 0;
}
.lb-topbar-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    flex: 1;
}
.lb-topbar-actions { display: flex; align-items: center; gap: 6px; }
.lb-avatar {
    width: 32px; height: 32px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    border: 2px solid var(--border);
}

/* ─── Content ─────────────────────────────── */
.lb-content {
    flex: 1;
    overflow-y: auto;
    background: var(--bg);
}
.lb-content .page { max-width: 1200px; margin: 0 auto; padding: 24px; }

/* ─── Chat Panel ──────────────────────────── */
.lb-chat-panel {
    position: fixed;
    bottom: 24px; right: 24px;
    width: 380px;
    height: 500px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0,0,0,.12);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.lb-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--primary);
    color: #fff;
    flex-shrink: 0;
}
.lb-chat-header-title { font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.lb-chat-close {
    background: none; border: none; color: #fff; font-size: 16px; cursor: pointer;
    opacity: .7; transition: opacity .12s;
}
.lb-chat-close:hover { opacity: 1; }

.lb-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.lb-chat-msg { display: flex; }
.lb-chat-user { justify-content: flex-end; }
.lb-chat-agent { justify-content: flex-start; }

.lb-chat-bubble {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}
.lb-chat-user .lb-chat-bubble {
    background: var(--primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.lb-chat-agent .lb-chat-bubble {
    background: var(--surface-2);
    color: var(--ink);
    border-bottom-left-radius: 4px;
}

.lb-chat-typing {
    animation: lbTyping 1s ease-in-out infinite;
    letter-spacing: 3px;
}
@keyframes lbTyping {
    0%, 100% { opacity: .4; }
    50% { opacity: 1; }
}

.lb-chat-input-wrap {
    display: flex;
    padding: 12px;
    border-top: 1px solid var(--border-light);
    gap: 8px;
    flex-shrink: 0;
}
.lb-chat-input {
    flex: 1;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 13px;
    outline: none;
}
.lb-chat-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
.lb-chat-send {
    padding: 8px 14px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: background .12s;
}
.lb-chat-send:hover { background: var(--primary-mid); }

/* ─── Scrollbar ───────────────────────────── */
.lb-sidebar::-webkit-scrollbar,
.lb-content::-webkit-scrollbar,
.lb-chat-messages::-webkit-scrollbar { width: 5px; }
.lb-sidebar::-webkit-scrollbar-track,
.lb-content::-webkit-scrollbar-track,
.lb-chat-messages::-webkit-scrollbar-track { background: transparent; }
.lb-sidebar::-webkit-scrollbar-thumb,
.lb-content::-webkit-scrollbar-thumb,
.lb-chat-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ─── Responsive ──────────────────────────── */
@media (max-width: 768px) {
    .lb-sidebar { display: none; }
}