/* ── Mix Stage Toolkit – Shared Styles ── */

/* ── Design tokens (single source of truth) ── */
:root{
  --bg:#161616;--surface:#1e1e1e;--card:#252525;--card2:#2c2c2c;
  --border:#333;--border2:#3d3d3d;
  --accent:#5d9980;--accent2:#6db89a;
  --text:#d4d4d4;--muted:#787878;--faint:#444;
  --green:#4ec455;--orange:#c4a050;--red:#c46050;--purple:#8a7eb0;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --mono:'Consolas','SF Mono','Fira Code',monospace;
  --chrome:#111;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column}

/* ── Nav bar ── */
.s6-nav {
  display: flex; align-items: center; gap: 12px;
  height: 44px; padding: 0 16px;
  background: var(--chrome); border-bottom: 1px solid var(--border);
  font-size: 12px; color: #999; flex-shrink: 0; z-index: 50;
}
.s6-nav-brand { display: flex; align-items: center; gap: 6px; }
.s6-nav-logo {
  font-weight: 800; font-size: 14px; color: var(--accent);
  letter-spacing: -0.5px;
}
.s6-nav-title { font-weight: 600; color: #888; font-size: 13px; }
.s6-nav-links { display: flex; align-items: center; gap: 2px; margin-left: 20px; }
.s6-nav-link {
  padding: 6px 12px; border-radius: 5px; color: #888;
  text-decoration: none; transition: all .15s; font-size: 12px;
  display: flex; align-items: center; text-align: center; line-height: 1.2;
}
.s6-nav-link:hover { color: #ccc; background: rgba(255,255,255,.06); }
.s6-nav-active { color: #fff !important; background: rgba(255,255,255,.1) !important; }
.s6-nav-sep{width:1px;height:20px;background:var(--border);margin:0 6px;flex-shrink:0}
.s6-nav-spacer { flex: 1; }
.s6-nav-user { display: flex; align-items: center; gap: 8px; }
.s6-nav-avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: #333; color: #aaa; display: flex;
  align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
}
.s6-nav-email { color: #777; font-size: 11px; max-width: 160px; overflow: hidden; text-overflow: ellipsis; }
.s6-nav-logout {
  background: none; border: none; color: #555; cursor: pointer;
  font-size: 14px; padding: 4px; border-radius: 4px; line-height: 1;
  transition: all .15s;
}
.s6-nav-logout:hover { color: var(--red); background: rgba(196,96,80,.1); }

/* ── Toolbar ── */
.toolbar{display:flex;align-items:center;gap:10px;padding:10px 16px;background:var(--chrome);border-bottom:1px solid var(--border);flex-shrink:0;position:relative;z-index:45}
.toolbar-sep{width:1px;height:24px;background:var(--border);margin:0 4px}
.toolbar-filename{font-size:11px;color:var(--muted);font-family:var(--mono);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hdr-spacer{flex:1}

/* ── Buttons ── */
.btn{padding:5px 13px;border-radius:4px;border:1px solid var(--border2);background:var(--card);color:var(--text);font-size:12px;font-family:inherit;cursor:pointer;transition:background .12s,border-color .12s;white-space:nowrap;user-select:none}
.btn:hover{background:var(--card2);border-color:#555}
.btn:active{background:var(--card)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent2);border-color:var(--accent2)}
.btn-primary:disabled,.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-sm{padding:3px 9px;font-size:11px}
.btn-icon{padding:5px 9px}
.btn-danger{background:#2e1a1a;border-color:#502828;color:#e08080}
.btn-danger:hover{background:#3a2020}

/* ── Form controls ── */
select,input[type=text],input[type=number],input:not([type]){padding:4px 8px;background:var(--card2);border:1px solid var(--border2);border-radius:3px;color:var(--text);font-size:12px;font-family:inherit}
select:focus,input:focus{outline:none;border-color:var(--accent)}
input[type=file]{display:none}

/* ── Status bar ── */
.status-bar{position:fixed;bottom:24px;left:0;right:0;height:28px;background:var(--chrome);border-top:1px solid var(--border);display:flex;align-items:center;gap:12px;padding:0 16px;font-size:11px;z-index:30}
.status-bar .sb-item{display:flex;align-items:center;gap:4px;white-space:nowrap}
.status-bar .sb-count{font-weight:700;font-family:var(--mono);color:var(--text)}
.status-bar .sb-label{color:var(--muted)}
.status-bar .sb-sep{width:1px;height:14px;background:var(--border);margin:0 2px}
.status-bar .sb-dot{width:7px;height:7px;border-radius:50%;flex-shrink:0;display:inline-block;vertical-align:middle}
.status-bar .sb-clickable{cursor:pointer;border-radius:3px;padding:2px 6px;margin:-2px -2px;transition:background .12s}
.status-bar .sb-clickable:hover{background:rgba(255,255,255,.1)}
.status-bar .sb-link{color:var(--accent);cursor:pointer;text-decoration:none;white-space:nowrap}
.status-bar .sb-link:hover{text-decoration:underline}

/* ── Toast ── */
.toasts{position:fixed;bottom:48px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:6px;align-items:center;pointer-events:none}
.toast{background:var(--card2);border:1px solid var(--border);border-radius:5px;padding:8px 16px;font-size:12px;white-space:nowrap;animation:fadeUp .2s ease;pointer-events:none}
.toast.ok{border-color:#4a4}
.toast.err{border-color:#a44}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ── Empty state ── */
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:300px;gap:10px;color:var(--muted)}
.empty-icon{font-size:48px;opacity:.3}
.empty-text{font-size:14px}
.empty-sub{font-size:12px;color:var(--faint)}

/* ── Scrollbars ── */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#3a3a3a;border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:#4a4a4a}

/* ── Site footer (copyright) ── */
.site-footer{position:fixed;bottom:0;left:0;right:0;height:24px;display:flex;align-items:center;justify-content:center;gap:16px;font-size:10px;color:var(--faint);background:var(--chrome);border-top:1px solid var(--border);z-index:35;padding:0 16px}
.site-footer a{color:var(--muted);text-decoration:none}
.site-footer a:hover{color:var(--text)}

/* ── Info panel (shared across all pages) ── */
.shortcuts-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:300;display:flex;align-items:center;justify-content:center}
.shortcuts-card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:0;width:520px;max-width:90vw;max-height:80vh;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 8px 32px rgba(0,0,0,.5)}
.shortcuts-hdr{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}
.shortcuts-hdr h3{font-size:14px;font-weight:600;color:#fff}
.shortcuts-body{padding:10px 18px 18px;overflow-y:auto;flex:1}
.shortcuts-group{margin-bottom:14px}
.shortcuts-group-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:6px}
.info-tabs{display:flex;gap:0;border-bottom:1px solid var(--border);padding:0 18px;flex-shrink:0}
.info-tab{padding:10px 14px;font-size:11px;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;white-space:nowrap}
.info-tab:hover{color:var(--text)}
.info-tab.active{color:#fff;border-bottom-color:var(--accent)}
.info-tab-body{display:none}
.info-tab-body.active{display:block}
.shortcut-row{display:flex;justify-content:space-between;align-items:center;padding:4px 0;font-size:12px}
.shortcut-row .sc-keys{display:flex;gap:3px;flex-shrink:0}
.shortcut-row .sc-key{background:var(--card2);border:1px solid var(--border2);border-radius:3px;padding:2px 7px;font-size:11px;font-family:var(--mono);color:var(--text);white-space:nowrap;min-width:22px;text-align:center}
.shortcut-row .sc-desc{color:var(--muted)}

/* ── Overlay dim ── */
.dim-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:40}
.dim-overlay.show{display:block}