/* main.css — reset, app layout, top bar, buttons, modals, toasts */

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}
button { font-family: inherit; }
input, textarea { font-family: inherit; }

.app {
  display: grid;
  grid-template-columns: var(--tbar-w) 1fr;
  grid-template-rows: 52px 1fr 44px;
  grid-template-areas:
    "top top"
    "tools stage"
    "tools pages";
  height: 100vh;
  height: 100dvh;
  width: 100vw;
}

/* ---------- TOP BAR ---------- */
.topbar {
  grid-area: top;
  display: flex; align-items: center; gap: 8px;
  padding: 0 10px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  z-index: 40;
}
.topbar-group { display: flex; align-items: center; gap: 6px; }
.topbar-right { margin-left: auto; }
.logo { display: inline-flex; }
.ic-logo { width: 26px; height: 26px; fill: none; stroke: var(--text); stroke-width: 1.8; }
.ic-logo .accent { stroke: var(--accent); }
.board-name {
  border: 1px solid transparent; background: transparent; color: var(--text);
  font-size: 15px; font-weight: 600; padding: 6px 8px; border-radius: var(--radius-sm);
  min-width: 120px; max-width: 320px; width: 220px;
}
.board-name:hover { background: var(--panel-hover); }
.board-name:focus { outline: none; border-color: var(--accent); background: var(--panel); }

.save-status { font-size: 12px; color: var(--text-dim); margin-left: 6px; white-space: nowrap; }
.save-status.saving { color: var(--accent); }
.save-status.error { color: var(--danger); }

/* ---------- BUTTONS ---------- */
.icon-btn, .text-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-width: var(--tap); height: var(--tap); padding: 0 10px;
  border: 1px solid transparent; border-radius: var(--radius-sm);
  background: transparent; color: var(--text); cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  user-select: none;
}
.icon-btn.sm { min-width: 32px; height: 32px; padding: 0 6px; }
.icon-btn:hover, .text-btn:hover { background: var(--panel-hover); }
.icon-btn:active, .text-btn:active { transform: translateY(1px); }
.icon-btn:disabled { opacity: .38; cursor: default; }
.icon-btn:focus-visible, .text-btn:focus-visible, .tool-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}
.text-btn { font-size: 13.5px; font-weight: 550; }
.text-btn .lbl { display: inline; }
.text-btn.primary { background: var(--accent); color: #fff; }
.text-btn.primary:hover { filter: brightness(1.06); background: var(--accent); }
.text-btn.danger { color: var(--danger); }
.ic { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- MODALS ---------- */
.modal-root { position: fixed; inset: 0; z-index: 200; display: flex; align-items: center; justify-content: center; }
.modal-scrim { position: absolute; inset: 0; background: var(--overlay-scrim); backdrop-filter: blur(1px); }
.modal {
  position: relative; background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3); width: min(680px, 94vw); max-height: 88vh; overflow: auto;
  animation: pop var(--transition);
}
@keyframes pop { from { transform: scale(.97); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--panel); }
.modal-head h2 { margin: 0; font-size: 16px; }
.modal-body { padding: 16px 18px; }
.modal-foot { padding: 14px 18px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
.modal .close-x { border: none; background: transparent; font-size: 20px; color: var(--text-dim); cursor: pointer; width: 32px; height: 32px; border-radius: 6px; }
.modal .close-x:hover { background: var(--panel-hover); }

.btn {
  height: 38px; padding: 0 16px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--panel-2); color: var(--text); cursor: pointer; font-size: 13.5px; font-weight: 550;
}
.btn:hover { background: var(--panel-hover); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; }

.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px,1fr)); gap: 10px; }
.card {
  border: 1px solid var(--border); border-radius: var(--radius); padding: 12px; cursor: pointer;
  background: var(--panel-2); transition: border-color var(--transition), transform var(--transition);
  display: flex; flex-direction: column; gap: 6px; text-align: left;
}
.card:hover { border-color: var(--accent); transform: translateY(-1px); }
.card .card-title { font-weight: 600; font-size: 13.5px; }
.card .card-sub { font-size: 11.5px; color: var(--text-dim); }
.card .thumb { height: 74px; border-radius: 6px; background: var(--panel-hover); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; color: var(--text-faint); }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12.5px; color: var(--text-dim); margin-bottom: 6px; }
.field input[type=text], .field input[type=number], .field select {
  width: 100%; height: 38px; padding: 0 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--panel-2); color: var(--text); font-size: 14px;
}
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--border-strong); border-radius: var(--radius-sm); overflow: hidden; }
.seg button { border: none; background: var(--panel-2); color: var(--text); height: 36px; padding: 0 14px; cursor: pointer; font-size: 13px; }
.seg button.active { background: var(--accent); color: #fff; }

/* ---------- TOASTS ---------- */
.toast-root { position: fixed; bottom: 60px; left: 50%; transform: translateX(-50%); z-index: 300; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast {
  pointer-events: auto; background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-left: 4px solid var(--accent);
  box-shadow: var(--shadow-2); border-radius: var(--radius); padding: 11px 15px; font-size: 13.5px;
  max-width: 90vw; animation: toastIn var(--transition); display: flex; align-items: center; gap: 10px;
}
.toast.error { border-left-color: var(--danger); }
.toast.ok { border-left-color: var(--ok); }
.toast .t-close { background: none; border: none; color: var(--text-dim); cursor: pointer; font-size: 15px; }
@keyframes toastIn { from { transform: translateY(8px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.hint { font-size: 12px; color: var(--text-dim); }
[hidden] { display: none !important; }