/* Whiteboard — staas.fund */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #0d0d0f;
  --bg-2:     #141416;
  --bg-3:     #1a1a1e;
  --border:   #2a2a30;
  --accent:   #4f8ef7;
  --orange:   #fd6524;
  --text:     #eeeef2;
  --text-dim: #8888a0;
  --radius:   8px;
  --font:     'Inter', -apple-system, sans-serif;
}

html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  display: flex;
  flex-direction: column;
}

/* ─── Workshop Nav overrides for whiteboard (compact) ─── */
.workshop-header { height: 36px; padding: 0 12px; }
.workshop-header .workshop-nav { max-width: none; }

/* ─── Top bar ─── */
#topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
  padding: 0 12px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  z-index: 10;
  flex-shrink: 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}

.sep { color: var(--border); }

#board-name {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: var(--radius);
  width: 200px;
}
#board-name:hover { border-color: var(--border); }
#board-name:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-3);
}

.topbar-center { display: flex; align-items: center; }

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.topbar-right button {
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}
.topbar-right button:hover { background: var(--border); }
#btn-save { background: var(--accent); border-color: var(--accent); color: #fff; }
#btn-save:hover { opacity: 0.85; }

/* ─── Toolbar ─── */
#toolbar {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px;
}

.tool {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 6px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.15s;
}
.tool:hover { background: var(--border); color: var(--text); }
.tool.active { background: var(--accent); color: #fff; }

.tool-sep {
  width: 1px;
  height: 20px;
  background: var(--border);
  margin: 0 4px;
}

/* ─── Color bar ─── */
#color-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.color-label {
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: 2px;
}

.color-preset {
  width: 32px;
  height: 24px;
  border-radius: 4px;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  transition: border-color 0.15s;
}
.color-preset:hover { border-color: var(--text-dim); }
.color-preset.active { border-color: var(--accent); }

/* ─── Guest hint ─── */
#guest-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 6px 12px;
  background: #1e293b;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-dim);
  flex-shrink: 0;
}
#guest-hint.hidden { display: none; }
#dismiss-hint {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}
#dismiss-hint:hover { color: var(--text); }

/* ─── Canvas ─── */
#canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
}

#canvas-wrap canvas { display: block; }

/* ─── Boards panel ─── */
#boards-panel {
  position: fixed;
  top: 48px;
  right: 0;
  width: 320px;
  bottom: 28px;
  background: var(--bg-2);
  border-left: 1px solid var(--border);
  z-index: 20;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#boards-panel.hidden { display: none; }

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.panel-header h3 { flex: 1; font-size: 15px; font-weight: 600; }

#btn-new-board {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 5px 12px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 12px;
  cursor: pointer;
}
#btn-new-board:hover { opacity: 0.85; }

#btn-close-panel {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
}
#btn-close-panel:hover { color: var(--text); }

#boards-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.board-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.15s;
}
.board-card:hover { background: var(--bg-3); }
.board-card.active { background: var(--border); }

.board-card-info { flex: 1; min-width: 0; }
.board-card-name {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.board-card-date { font-size: 11px; color: var(--text-dim); }

.board-card-star {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  flex-shrink: 0;
  transition: all 0.15s;
}
.board-card-star:hover { color: #fbbf24; }
.board-card-star.starred { color: #fbbf24; }

.board-card-delete {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  opacity: 0;
  transition: all 0.15s;
}
.board-card:hover .board-card-delete { opacity: 1; }
.board-card-delete:hover { color: #ff4444; background: rgba(255,68,68,0.1); }

.boards-divider {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px 4px;
  margin-top: 4px;
}
.boards-divider span {
  font-size: 11px;
  color: #fbbf24;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.boards-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Status bar ─── */
#statusbar {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 12px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-dim);
  flex-shrink: 0;
}

#save-status { transition: color 0.3s; }
#save-status.saved { color: #34d399; }
#save-status.unsaved { color: #fbbf24; }

#btn-clear {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}
#btn-clear:hover { color: #ff4444; border-color: #ff4444; }

/* ─── Shape text editor overlay ─── */
.shape-text-editor {
  position: absolute;
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid var(--accent);
  border-radius: 6px;
  color: #ffffff;
  font-family: var(--font);
  text-align: center;
  resize: none;
  outline: none;
  padding: 8px 12px;
  z-index: 30;
  line-height: 1.4;
  overflow-y: auto;
  overflow-x: hidden;
  word-wrap: break-word;
  white-space: pre-wrap;
}

/* ─── Creator link ─── */
#creator-link {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 10px;
  opacity: 0.3;
  transition: opacity 0.15s;
}
#creator-link:hover { opacity: 0.8; text-decoration: underline; }

/* ─── Login button ─── */
#btn-login {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 10px;
  cursor: pointer;
  padding: 2px 6px;
  opacity: 0.4;
  transition: opacity 0.15s;
}
#btn-login:hover { opacity: 1; }

/* ─── Login modal ─── */
#login-modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; }
#login-modal.hidden { display: none; }
.login-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.6); }
.login-box {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  width: 260px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
#login-pwd {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  padding: 8px 12px;
  border-radius: var(--radius);
  outline: none;
}
#login-pwd:focus { border-color: var(--accent); }
.login-actions { display: flex; gap: 8px; }
.login-actions button {
  flex: 1;
  padding: 6px 12px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--border);
}
#login-submit { background: var(--accent); color: #fff; border-color: var(--accent); }
#login-submit:hover { opacity: 0.85; }
#login-cancel { background: var(--bg-3); color: var(--text); }
#login-cancel:hover { background: var(--border); }
#login-error { font-size: 12px; color: #ff4444; min-height: 16px; }

/* ─── Cursor states ─── */
.canvas-crosshair .upper-canvas { cursor: crosshair !important; }
.canvas-grab .upper-canvas { cursor: grab !important; }
.canvas-grabbing .upper-canvas { cursor: grabbing !important; }

/* ─── Touch ─── */
#canvas-wrap canvas { touch-action: none; }

/* ─── Mobile (≤768px) ─── */
@media (max-width: 768px) {
  /* Topbar: compact */
  #topbar { height: 44px; padding: 0 8px; }
  .topbar-left .logo { font-size: 12px; }
  .topbar-left .sep { display: none; }
  #board-name { width: 110px; font-size: 13px; padding: 3px 6px; }

  /* Hide toolbar from topbar — it moves to floating bottom bar */
  .topbar-center { display: none; }

  .topbar-right { gap: 4px; }
  .topbar-right button { padding: 5px 10px; font-size: 12px; }

  /* Floating toolbar at bottom */
  #toolbar-mobile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    position: fixed;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
    z-index: 15;
  }

  /* Color bar: scrollable, thinner */
  #color-bar { height: 32px; padding: 0 8px; gap: 4px; overflow-x: auto; }
  .color-label { display: none; }
  .color-preset { width: 28px; height: 22px; font-size: 10px; flex-shrink: 0; }

  /* Canvas fills remaining space */
  #canvas-wrap { touch-action: none; }

  /* Boards panel: full-screen overlay */
  #boards-panel {
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    border-left: none;
    z-index: 25;
  }

  /* Board cards: always show delete (no hover on touch) */
  .board-card-delete { opacity: 1; }

  /* Status bar */
  #statusbar { height: 32px; padding: 0 8px; }

  /* Login modal: wider on mobile */
  .login-box { width: calc(100vw - 40px); max-width: 300px; }
}

/* Very small screens (≤400px) */
@media (max-width: 400px) {
  #board-name { width: 80px; font-size: 12px; }
  .topbar-right button { padding: 4px 8px; font-size: 11px; }
}