/* ════════════════════════════════════════════════════════════
   TRMNL 303 — Layout
   Shell layout: persistent sidebar, main content, chat drawer.
   ════════════════════════════════════════════════════════════ */

/* ── App Shell ── */
.app-shell {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* ── Sidebar (persistent, collapsible) ── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-surface);
    border-right: 1px solid var(--border-default);
    z-index: var(--z-sidebar);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-normal), transform var(--transition-normal);
    overflow: hidden;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

/* Sidebar Logo/Brand */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-bottom: 1px solid var(--border-default);
    cursor: pointer;
    min-height: 56px;
    transition: padding var(--transition-normal);
}

.sidebar-brand:hover {
    background: var(--bg-elevated);
}

.sidebar-logo-icon {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    color: var(--accent);
    white-space: nowrap;
    flex-shrink: 0;
    text-shadow: 0 0 10px var(--accent-glow);
}

.sidebar-logo-text {
    font-family: var(--font-mono);
    font-size: var(--text-md);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    white-space: nowrap;
    overflow: hidden;
    transition: opacity var(--transition-normal);
}

.sidebar-logo-text .accent {
    color: var(--accent);
}

.sidebar.collapsed .sidebar-logo-text {
    opacity: 0;
    width: 0;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    padding: var(--space-sm) 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    position: relative;
    border-left: 3px solid transparent;
    white-space: nowrap;
}

.sidebar-nav-item:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
    border-left-color: var(--accent);
}

.sidebar-nav-item.active {
    background: var(--accent-dim);
    color: var(--accent);
    border-left-color: var(--accent);
}

.sidebar-nav-icon {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-nav-label {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    overflow: hidden;
    transition: opacity var(--transition-normal);
}

.sidebar.collapsed .sidebar-nav-label {
    opacity: 0;
    width: 0;
}

/* Sidebar Sections (Watchlist, Recent) */
.sidebar-section {
    padding: var(--space-xs) 0;
    border-top: 1px solid var(--border-default);
}

.sidebar-section-title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: var(--space-sm) var(--space-md);
    overflow: hidden;
    white-space: nowrap;
    transition: opacity var(--transition-normal);
}

.sidebar.collapsed .sidebar-section-title {
    opacity: 0;
}

.sidebar.collapsed .sidebar-section {
    display: none;
}

/* Watchlist Items */
.sidebar-watchlist-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    cursor: pointer;
}

.sidebar-watchlist-item:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.sidebar-watchlist-icon {
    font-size: 0.9rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-watchlist-symbol {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 36px;
}

.sidebar-watchlist-price {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: var(--text-xs);
}

.sidebar-watchlist-change {
    font-size: var(--text-xs);
    min-width: 48px;
    text-align: right;
}

.sidebar-watchlist-change.positive { color: var(--bullish); }
.sidebar-watchlist-change.negative { color: var(--bearish); }

/* Watchlist section header row + action buttons */
.sidebar-section-title--row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sidebar-section-actions {
    display: flex;
    gap: var(--space-xs);
}

.sidebar-section-action {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--btn-radius);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    cursor: pointer;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.sidebar-section-action:hover {
    color: var(--accent);
    border-color: var(--border-active);
}

.sidebar-section-action--accent {
    color: var(--accent);
    border-color: var(--border-active);
}

.sidebar-section-action.active {
    background: var(--accent-dim);
    border-color: var(--border-active);
    color: var(--accent);
}

/* Inline add panel (opened by the + button) */
.sidebar-add-panel {
    padding: var(--space-xs) var(--space-md) var(--space-sm);
}

.sidebar-add-input {
    width: 100%;
    background: var(--bg-elevated);
    border: 1px solid var(--border-active);
    border-radius: var(--btn-radius);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    padding: 5px var(--space-sm);
}

.sidebar-add-input:focus {
    outline: none;
    border-color: var(--accent);
}

.sidebar-add-result {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    background: none;
    border: none;
    padding: 5px 2px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-secondary);
    cursor: pointer;
    text-align: left;
    transition: background var(--transition-fast);
}

.sidebar-add-result:hover:not([disabled]) {
    background: var(--bg-elevated);
}

.sidebar-add-result[disabled] {
    cursor: default;
    opacity: 0.6;
}

.sidebar-add-result-name {
    color: var(--text-muted);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-family: var(--font-sans);
}

.sidebar-add-result-action {
    color: var(--accent);
    flex-shrink: 0;
}

.sidebar-add-empty {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    padding: 4px 2px;
}

/* Per-item remove (shown on row hover) */
.sidebar-watchlist-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: var(--text-sm);
    line-height: 1;
    padding: 0 2px;
    cursor: pointer;
    visibility: hidden;
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.sidebar-watchlist-item:hover .sidebar-watchlist-remove {
    visibility: visible;
}

.sidebar-watchlist-remove:hover {
    color: var(--bearish);
}

/* Watchlist category labels + empty state */
.sidebar-watchlist-cat {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: var(--space-sm) var(--space-md) 2px;
    white-space: nowrap;
    overflow: hidden;
}

.sidebar-watchlist-empty {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    padding: 4px var(--space-md);
}

/* Recent Analysis Items */
.sidebar-recent-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px var(--space-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: var(--text-xs);
    cursor: pointer;
}

.sidebar-recent-item:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.sidebar-recent-symbol {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent);
}

.sidebar-recent-type {
    color: var(--text-muted);
}

.sidebar-recent-time {
    margin-left: auto;
    color: var(--text-muted);
    font-size: var(--text-xs);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--border-default);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    overflow: hidden;
    white-space: nowrap;
    transition: opacity var(--transition-normal);
}

.sidebar-attribution { color: var(--text-secondary); text-decoration: none; }
.sidebar-attribution:hover { color: var(--accent); }

.sidebar.collapsed .sidebar-footer {
    opacity: 0;
}

/* ── Main Content Area ── */
.main-content {
    flex: 1;
    /* min-width:0 stops the flex item from being stretched to its widest
       descendant's min-content width — without it any nowrap row (market
       pulse, chart toolbar, table) pushes the whole page wider than the
       viewport and the document scrolls horizontally. */
    min-width: 0;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
    position: relative;
    z-index: var(--z-base);
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed);
}

.main-content .container {
    max-width: var(--max-content);
    margin: 0 auto;
    padding: var(--space-lg);
}

/* ── Background Effects ── */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 212, 216, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 216, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
}

.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top, rgba(0, 212, 216, 0.05), transparent 50%);
    z-index: 0;
    pointer-events: none;
}

/* ── Page Header (replaces old .header card) ── */
.page-header {
    margin-bottom: var(--space-lg);
}

.page-title {
    font-family: var(--font-mono);
    font-size: var(--text-lg);
    color: var(--text-primary);
    letter-spacing: 0.03em;
}

.page-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

/* ── Breadcrumb ── */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

.breadcrumb-current {
    color: var(--text-primary);
}

/* ── Mobile: Sidebar as overlay ── */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        width: var(--sidebar-width);
        transform: translateX(-100%);
    }

    .sidebar.collapsed.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0 !important;
    }

    /* Show hamburger on mobile */
    .hamburger-btn {
        display: flex;
    }
}

@media (min-width: 1025px) {
    /* Hide hamburger on desktop */
    .hamburger-btn {
        display: none;
    }

    .sidebar-overlay {
        display: none !important;
    }
}

/* ── Hamburger Button (mobile only) ── */
.hamburger-btn {
    position: fixed;
    top: var(--space-md);
    left: var(--space-md);
    z-index: calc(var(--z-sidebar) + 1);
    width: 40px;
    height: 40px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--btn-radius);
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 8px;
    transition: all var(--transition-normal);
}

.hamburger-btn:hover {
    border-color: var(--accent);
}

.hamburger-line {
    width: 20px;
    height: 2px;
    background: var(--accent);
    transition: all var(--transition-normal);
}

.hamburger-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Sidebar overlay (mobile) */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(2px);
    z-index: calc(var(--z-sidebar) - 1);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* ── Sidebar collapse toggle (desktop) ── */
.sidebar-collapse-btn {
    position: absolute;
    top: 50%;
    right: -12px;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    z-index: 10;
    opacity: 0;
}

.sidebar:hover .sidebar-collapse-btn {
    opacity: 1;
}

.sidebar-collapse-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--bg-elevated);
}