/* ─── Agents Page ────────────────────────────────────────────────────────────── */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:        #0a0a0f;
    --panel:     #0f1218;
    --panel2:    #151b24;
    --border:    #1e2a38;
    --accent:    #2a7fff;
    --accent2:   #ff8800;
    --text:      #c8d4e0;
    --text-dim:  #5a7a99;
    --success:   #2ecc71;
    --danger:    #e74c3c;
    --warn:      #f39c12;
    --gold:      #f0c040;
    --gold-dim:  #a07a10;
    --radius:    6px;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-size: 14px;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ─── Topbar ──────────────────────────────────────────────────────────────────── */
#topbar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    height: 44px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    z-index: 10;
}

#topbar .logo {
    font-weight: 800;
    font-size: 14px;
    letter-spacing: 0.06em;
    color: var(--accent2);
}

.nic-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: 8px;
}
.nic-nav-link {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    text-decoration: none;
    letter-spacing: 0.04em;
    transition: color 0.15s, background 0.15s;
}
.nic-nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.nic-nav-link.active { color: var(--accent); border-bottom: 2px solid var(--accent); border-radius: 0; }

/* ─── App layout ──────────────────────────────────────────────────────────────── */
#app {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ─── Sidebar ─────────────────────────────────────────────────────────────────── */
#sidebar {
    width: 260px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--panel);
    border-right: 1px solid var(--border);
    overflow: hidden;
}

#sidebarHeader {
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
#sidebarHeader h2 {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--accent);
    text-transform: uppercase;
}
.sidebar-username {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 2px;
}

#portraitWrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 16px 20px;
    gap: 10px;
    overflow-y: auto;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

#agentPortrait {
    width: 180px;
    height: 230px;
    background: var(--panel2);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

#agentPortrait .portrait-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-dim);
}
#agentPortrait .portrait-initial {
    font-size: 64px;
    font-weight: 700;
    opacity: 0.3;
}
#agentPortrait img { width: 100%; height: 100%; object-fit: cover; }

.rarity-stars {
    font-size: 16px;
    color: var(--gold);
    letter-spacing: 2px;
}

#agentNameBig {
    font-size: 18px;
    font-weight: 700;
    text-align: center;
}

#agentRole {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    text-align: center;
}

#agentRace {
    font-size: 11px;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    text-align: center;
    margin-top: 2px;
}

/* ─── Stat Bars ───────────────────────────────────────────────────────────────── */
#statGrid {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-row { display: flex; align-items: center; gap: 8px; }

.stat-label {
    width: 32px;
    font-size: 10px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    flex-shrink: 0;
}

.stat-bar-track {
    flex: 1;
    height: 5px;
    background: var(--panel2);
    border-radius: 3px;
    overflow: hidden;
}

.stat-bar-fill {
    height: 100%;
    border-radius: 3px;
    background: var(--accent);
    transition: width 0.3s;
}
.stat-bar-fill.bonus   { background: var(--gold); }
.stat-bar-fill.penalty { background: var(--danger); }

.stat-val {
    width: 68px;
    font-size: 11px;
    font-weight: 600;
    text-align: right;
    flex-shrink: 0;
}
.stat-base { font-size: 10px; font-weight: 400; color: var(--text-dim); }

/* ─── Main content area ───────────────────────────────────────────────────────── */
#content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ─── Agent + Squads strip ────────────────────────────────────────────────────── */
#agentStrip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    overflow-x: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

/* SQUADS pill button */
.squads-btn {
    height: 48px;
    padding: 0 18px;
    border-radius: 10px;
    background: var(--panel2);
    border: 2px solid var(--border);
    color: var(--text-dim);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    cursor: pointer;
    flex-shrink: 0;
    margin-bottom: 18px;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.squads-btn:hover { border-color: var(--accent); color: var(--text); }
.squads-btn.active {
    border-color: var(--accent);
    background: rgba(42,127,255,0.12);
    color: var(--accent);
}

/* Agent icon bubbles */
.agent-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--panel2);
    border: 2px solid var(--border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dim);
    transition: border-color 0.15s, transform 0.1s;
    flex-shrink: 0;
    position: relative;
    user-select: none;
}
.agent-icon:hover { border-color: var(--accent); transform: scale(1.05); }
.agent-icon.active { border-color: var(--gold); box-shadow: 0 0 0 2px var(--gold-dim); color: var(--text); }
.agent-icon img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

.agent-icon .icon-label {
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: var(--text-dim);
    white-space: nowrap;
    pointer-events: none;
}

.agent-icon-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 18px;
    flex-shrink: 0;
}

/* ─── Detail panel ────────────────────────────────────────────────────────────── */
#detailPanel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

#detailTabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--panel);
}

.detail-tab {
    padding: 10px 20px;
    border: none;
    background: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
}
.detail-tab:hover { color: var(--text); }
.detail-tab.active { color: var(--text); border-bottom-color: var(--accent); }

#detailContent {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────────── */
.btn {
    padding: 5px 12px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: background 0.15s;
}
.btn-ghost   { background: var(--panel2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #1a5ecc; }
.btn-danger  { background: rgba(231,76,60,0.15); color: var(--danger); border: 1px solid rgba(231,76,60,0.3); }
.btn-danger:hover { background: rgba(231,76,60,0.25); }
.btn-sm { padding: 3px 8px; font-size: 11px; }

/* ─── Info Tab ────────────────────────────────────────────────────────────────── */
.section-heading {
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border);
}

blockquote.agent-quote {
    border-left: 3px solid var(--accent);
    padding: 8px 14px;
    margin-bottom: 16px;
    background: var(--panel2);
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--text-dim);
    font-style: italic;
    font-size: 13px;
    line-height: 1.5;
}

.backstory-text { line-height: 1.65; color: var(--text); font-size: 13px; }

.perk-list { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.perk-chip {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.perk-chip.bonus   { background: rgba(240,192,64,0.1); color: var(--gold); border: 1px solid var(--gold-dim); }
.perk-chip.penalty { background: rgba(231,76,60,0.1); color: var(--danger); border: 1px solid rgba(231,76,60,0.4); }

/* ─── Level / XP Tab ─────────────────────────────────────────────────────────── */
.xp-heading {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.04em;
    text-transform: none;
    margin-bottom: 6px;
    padding-bottom: 0;
    border-bottom: none;
}
#xpBarTrack {
    height: 10px;
    background: var(--panel2);
    border-radius: 5px;
    overflow: hidden;
    margin: 0 0 16px;
    position: relative;
}
#xpBarGreen {
    position: absolute; top: 0; left: 0; height: 100%;
    background: var(--success);
    border-radius: 5px 0 0 5px;
    transition: width 0.25s;
}
#xpBarBlue {
    position: absolute; top: 0; height: 100%;
    background: var(--accent);
    transition: width 0.25s, left 0.25s;
}
#xpExpLine {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-dim);
    margin-bottom: 16px;
    font-variant-numeric: tabular-nums;
}
#xpExpLine .xp-current { color: var(--success); font-weight: 600; }
#xpExpLine .xp-gain    { color: var(--accent);  font-weight: 600; }

.manual-list { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.manual-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--panel2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.manual-row-disabled { opacity: 0.4; pointer-events: none; }
.manual-row-info { display: flex; align-items: center; gap: 10px; }
.manual-row-icon { font-size: 22px; }
.manual-row-name { font-size: 13px; font-weight: 600; }
.manual-row-xp   { font-size: 11px; color: var(--gold); margin-top: 2px; }
.manual-selector { display: flex; align-items: center; gap: 8px; }
.manual-adj {
    width: 28px; height: 28px;
    border-radius: 4px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--text);
    font-size: 16px;
    line-height: 1;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.1s, border-color 0.1s;
}
.manual-adj:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); }
.manual-adj:disabled { opacity: 0.3; cursor: default; }
.manual-count-label { font-size: 13px; min-width: 52px; text-align: center; color: var(--text-dim); }
.manual-use { color: var(--gold); font-weight: 700; }

/* ─── Training layout ────────────────────────────────────────────────────────── */
.train-layout {
    display: flex;
    gap: 20px;
    margin-top: 4px;
    align-items: flex-start;
}
.train-manuals-panel {
    width: 40%;
    flex-shrink: 0;
}
.train-attrs-panel {
    flex: 1;
    min-width: 0;
    padding: 0 20%;
}

/* Attribute rows — 4 columns: name | cur | arrow | exp */
#trainAttrs {
    display: grid;
    grid-template-columns: 1fr auto auto auto;
    gap: 3px 12px;
    align-items: center;
    margin-top: 6px;
    font-size: 13px;
}
.attr-row {
    display: contents;
}
.attr-name  { color: var(--text-dim); }
.attr-cur   { text-align: right; font-variant-numeric: tabular-nums; }
.attr-arrow { color: var(--text-dim); text-align: center; }
.attr-exp   { text-align: right; font-variant-numeric: tabular-nums; }
.attr-exp.higher { color: var(--success); font-weight: 600; }

.train-submit { margin-top: 10px; width: 100%; }

/* ─── Level-up animation ──────────────────────────────────────────────────────── */
@keyframes levelUpGlow {
    0%   { box-shadow: 0 0 0 0 rgba(240,192,64,0); }
    25%  { box-shadow: 0 0 28px 8px rgba(240,192,64,0.75); }
    70%  { box-shadow: 0 0 20px 6px rgba(240,192,64,0.5); }
    100% { box-shadow: 0 0 0 0 rgba(240,192,64,0); }
}
.level-up-anim { animation: levelUpGlow 1.8s ease-out forwards; }

@keyframes levelUpBadge {
    0%   { opacity: 0; transform: translate(-50%, -40%) scale(0.7); }
    15%  { opacity: 1; transform: translate(-50%, -50%) scale(1.12); }
    65%  { opacity: 1; transform: translate(-50%, -50%) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -62%) scale(0.9); }
}
.level-up-badge {
    position: absolute;
    top: 50%; left: 50%;
    background: var(--gold);
    color: #1a1500;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: 0.08em;
    padding: 8px 20px;
    border-radius: var(--radius);
    pointer-events: none;
    z-index: 20;
    white-space: nowrap;
    animation: levelUpBadge 1.8s ease forwards;
}

/* ─── Equipment Tab ───────────────────────────────────────────────────────────── */
.equip-grid { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.equip-slot {
    background: var(--panel2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    display: flex; align-items: center; gap: 12px;
}
.equip-slot-icon { font-size: 24px; width: 36px; text-align: center; }
.equip-slot-info { flex: 1; }
.equip-slot-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; }
.equip-slot-item  { font-size: 13px; font-weight: 600; margin-top: 2px; }
.equip-slot-item.empty { color: var(--text-dim); font-style: italic; font-weight: 400; }
.equip-slot-stats { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.equip-stat-chip {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
    background: rgba(42,127,255,0.15);
    color: var(--accent);
    border: 1px solid rgba(42,127,255,0.2);
}

/* ─── Squad cards ─────────────────────────────────────────────────────────────── */
.squad-list { display: flex; flex-direction: column; gap: 10px; }
.squad-card {
    background: var(--panel2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
}
.squad-card-header { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.squad-slot-num { width: 22px; font-size: 13px; font-weight: 700; color: var(--text-dim); text-align: center; flex-shrink: 0; }
.squad-name-field {
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
    width: 130px;
    padding: 2px 4px;
    outline: none;
    flex-shrink: 0;
}
.squad-name-field:focus { border-bottom-color: var(--accent); }
.squad-name-field[readonly] { color: var(--text-dim); cursor: default; }

.squad-badge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 20px; letter-spacing: 0.05em; flex-shrink: 0; }
.squad-badge.idle      { background: rgba(255,255,255,0.04); color: var(--text-dim); border: 1px solid var(--border); }
.squad-badge.traveling { background: rgba(243,156,18,0.1); color: var(--warn); border: 1px solid rgba(243,156,18,0.3); }
.squad-badge.deployed  { background: rgba(46,204,113,0.1); color: var(--success); border: 1px solid rgba(46,204,113,0.3); }

.squad-card-actions { margin-left: auto; flex-shrink: 0; display: flex; align-items: center; gap: 6px; }
.squad-pos-label { font-size: 11px; color: var(--text-dim); font-family: monospace; white-space: nowrap; }

.squad-agent-slots { display: flex; gap: 8px; }
.squad-agent-slot {
    flex: 1; height: 72px;
    border-radius: 6px;
    border: 1px dashed var(--border);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    position: relative; overflow: hidden;
}
.squad-agent-slot.empty:not(.locked):hover { border-color: var(--accent); background: rgba(42,127,255,0.08); }
.squad-agent-slot.filled { border-style: solid; border-color: var(--border); background: var(--panel); }
.squad-agent-slot.filled:not(.locked):hover { border-color: var(--danger); background: rgba(231,76,60,0.08); }
.squad-agent-slot.locked { cursor: default; }
.squad-add-icon { font-size: 20px; color: var(--text-dim); }
.squad-agent-initial {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--panel2); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; color: var(--accent);
}
.squad-agent-name  { font-size: 11px; font-weight: 600; }
.squad-agent-level { font-size: 10px; color: var(--text-dim); }
.squad-agent-remove { position: absolute; top: 4px; right: 4px; font-size: 10px; color: var(--danger); opacity: 0; transition: opacity 0.15s; }
.squad-agent-slot.filled:not(.locked):hover .squad-agent-remove { opacity: 1; }

/* ─── Picker modal ────────────────────────────────────────────────────────────── */
.squad-picker-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 999;
    display: flex; align-items: center; justify-content: center;
}
.squad-picker-modal {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 360px; max-height: 480px;
    display: flex; flex-direction: column;
}
.squad-picker-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    font-weight: 600; font-size: 13px; flex-shrink: 0;
}
.squad-picker-close { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 14px; padding: 2px 6px; }
.squad-picker-close:hover { color: var(--text); }
.squad-picker-list { overflow-y: auto; flex: 1; scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
.squad-picker-agent {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 16px; cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px solid var(--border);
}
.squad-picker-agent:hover { background: var(--panel2); }
.squad-picker-initial {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--panel2); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 700; color: var(--accent); flex-shrink: 0;
}
.squad-picker-info { display: flex; flex-direction: column; gap: 2px; }
.squad-picker-name { font-size: 13px; font-weight: 600; }
.squad-picker-sub  { font-size: 11px; color: var(--text-dim); }

/* ─── Misc ────────────────────────────────────────────────────────────────────── */
#loadingMsg { padding: 40px; text-align: center; color: var(--text-dim); }
.dim { color: var(--text-dim); }

/* ─── Toast ───────────────────────────────────────────────────────────────────── */
#toastArea { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 9999; }
.toast {
    background: var(--panel2);
    border: 1px solid var(--border);
    padding: 10px 16px;
    border-radius: var(--radius);
    font-size: 13px;
    animation: toastIn 0.2s ease;
}
.toast.ok  { border-color: var(--success); color: var(--success); }
.toast.err { border-color: var(--danger); color: var(--danger); }

@keyframes toastIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Hamburger + Overlay (hidden on desktop) ─────────────────────────────────── */
.menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--panel2);
    color: var(--text);
    font-size: 18px;
    cursor: pointer;
    flex-shrink: 0;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 90;
}
#app.sidebar-open .sidebar-overlay { display: block; }

/* ─── Mobile ≤ 768px ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    body { overflow: auto; }

    .menu-btn { display: flex; }

    /* Sidebar: off-screen by default, slides in */
    #sidebar {
        position: fixed;
        top: 0; left: 0; bottom: 0;
        z-index: 100;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        width: 260px;
    }
    #app.sidebar-open #sidebar { transform: translateX(0); }

    /* App: stack vertically */
    #app {
        flex-direction: column;
        overflow: visible;
    }

    /* Content: full width */
    #content { overflow: visible; }

    /* Topbar: wrappable */
    #topbar {
        height: auto;
        min-height: 44px;
        flex-wrap: wrap;
        padding: 6px 10px;
        gap: 6px;
    }
    .nic-nav {
        order: 10;
        width: 100%;
        overflow-x: auto;
        margin-left: 0;
        padding-bottom: 2px;
        scrollbar-width: none;
    }
    .nic-nav::-webkit-scrollbar { display: none; }
    .nic-nav-link { padding: 4px 10px; font-size: 11px; white-space: nowrap; }

    /* Agent strip: already scrolls, just ensure touch scrolling */
    #agentStrip { -webkit-overflow-scrolling: touch; }

    /* Detail content: scrollable */
    #detailPanel { overflow: visible; }
    #detailContent { overflow: visible; }

    /* Training: stack vertically */
    .train-layout { flex-direction: column; }
    .train-manuals-panel { width: 100%; }
    .train-attrs-panel { padding: 0; }

    /* Squad picker modal: full-width */
    .squad-picker-modal { width: calc(100vw - 32px); }

    /* Squad cards: wrap actions to second line */
    .squad-card-header { flex-wrap: wrap; }
    .squad-card-actions { flex: 0 0 100%; margin-left: 0; }

    /* Touch-friendly detail tabs */
    .detail-tab { padding: 10px 14px; min-height: 44px; }
}

@media (max-width: 420px) {
    #sidebar { width: 85vw; }
}

/* ─── Sidebar close button (mobile only) ───────────────────────────────────── */
.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    padding: 2px 4px;
    border-radius: 4px;
    position: absolute;
    top: 12px;
    right: 12px;
}
.sidebar-close-btn:hover { color: var(--text); background: rgba(255,255,255,0.06); }

@media (max-width: 768px) {
    #sidebarHeader { position: relative; }
    .sidebar-close-btn { display: block; }
}