/* ============================================================
   Sendorai — Components
   Buttons, inputs, fields, cards, badges, menus, etc.
   Depends on colors_and_type.css.
   ============================================================ */

/* ---------- Button ------------------------------------------- */

.snd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--r-2);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  color: var(--fg-1);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--d-fast) var(--ease),
              border-color var(--d-fast) var(--ease),
              color var(--d-fast) var(--ease);
  white-space: nowrap;
  user-select: none;
}
.snd-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }

/* sizes */
.snd-btn.sm { height: 28px; padding: 0 10px; font-size: 13px; }
.snd-btn.lg { height: 44px; padding: 0 18px; font-size: 15px; }

/* primary — ink, not fern. Fern is reserved for brand accents (logo, status dots,
   focus rings, link color, success states). Buttons are confident and quiet. */
.snd-btn.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.snd-btn.primary:hover { background: #2A2E25; border-color: #2A2E25; }
.snd-btn.primary:active { background: #0F1210; border-color: #0F1210; }

/* fern — reserved variant. Use only for the "primary action of the brand"
   moment, e.g. a marketing hero CTA or a brand-loud confirmation. Not for
   default product UI. */
.snd-btn.fern {
  background: var(--fern-500);
  color: var(--paper);
  border-color: var(--fern-500);
}
.snd-btn.fern:hover { background: var(--fern-600); border-color: var(--fern-600); }
.snd-btn.fern:active { background: var(--fern-700); border-color: var(--fern-700); }

/* secondary (outline) */
.snd-btn.secondary {
  background: var(--paper-2);
  color: var(--ink);
  border-color: var(--border-2);
}
.snd-btn.secondary:hover { background: var(--moss); border-color: var(--moss-2); color: var(--fern-800); }
.snd-btn.secondary:active { background: var(--moss-2); }

/* ghost */
.snd-btn.ghost {
  background: transparent;
  color: var(--fg-1);
  border-color: transparent;
}
.snd-btn.ghost:hover { background: var(--moss); color: var(--fern-800); }
.snd-btn.ghost:active { background: var(--moss-2); }

/* danger */
.snd-btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--border-2);
}
.snd-btn.danger:hover { background: var(--danger-soft); border-color: var(--danger); }

.snd-btn[disabled] { opacity: 0.45; pointer-events: none; }

/* icon-only */
.snd-btn.icon { width: 36px; padding: 0; }
.snd-btn.icon.sm { width: 28px; }

/* ---------- Input -------------------------------------------- */

.snd-input,
.snd-textarea {
  display: block;
  width: 100%;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--r-2);
  border: 1px solid var(--border-2);
  background: var(--paper-2);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.4;
  transition: border-color var(--d-fast) var(--ease), box-shadow var(--d-fast) var(--ease);
  box-sizing: border-box;
}
.snd-textarea { height: auto; padding: 10px 12px; min-height: 96px; resize: vertical; }
.snd-input::placeholder, .snd-textarea::placeholder { color: var(--fg-muted); }
.snd-input:hover, .snd-textarea:hover { border-color: var(--stone-3); }
.snd-input:focus, .snd-textarea:focus {
  outline: none;
  border-color: var(--fern-500);
  box-shadow: var(--focus-ring);
}
.snd-input.lg { height: 44px; font-size: 15px; }

/* field wrapper */
.snd-field { display: flex; flex-direction: column; gap: 6px; }
.snd-label { font-size: 13px; font-weight: 500; color: var(--fg-1); }
.snd-help { font-size: 12px; color: var(--fg-3); }

/* ---------- Badge / chip ------------------------------------- */

.snd-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px 5px;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  white-space: nowrap;
}
.snd-badge.fern { background: var(--moss); color: var(--fern-800); border-color: var(--moss-2); }
.snd-badge.ember { background: var(--ember-soft); color: var(--ember); border-color: rgba(180,122,63,0.25); }
.snd-badge.stone { background: var(--stone-1); color: var(--fg-2); border-color: var(--stone-2); }
.snd-badge.danger { background: var(--danger-soft); color: var(--danger); border-color: rgba(155,63,63,0.25); }
.snd-badge.ink { background: var(--ink); color: var(--paper); }

/* Pro — premium pill. Warm cream with brass border + deep brass type.
   Reads like a foil-stamped seal — letterforms do the work, no ornament. */
.snd-badge.pro {
  background: linear-gradient(180deg, #FAF3E0 0%, #F2E6C7 100%);
  color: #6B4E1A;
  border: 1px solid #C9A85A;
  padding: 4px 11px 5px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 10.5px;
  line-height: 1;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.55), 0 1px 1px rgba(107,78,26,0.06);
}

.snd-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- Card --------------------------------------------- */

.snd-card {
  background: var(--paper-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-3);
  padding: 20px;
}
.snd-card.subtle { background: var(--paper); }
.snd-card.muted { background: var(--moss); border-color: var(--moss-2); }

/* ---------- Avatar ------------------------------------------- */

.snd-avatar {
  width: 32px; height: 32px;
  border-radius: var(--r-pill);
  background: var(--moss);
  color: var(--fern-800);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: -0.01em;
  border: 1px solid var(--moss-2);
  flex-shrink: 0;
}
.snd-avatar.lg { width: 40px; height: 40px; font-size: 14px; }
.snd-avatar.sm { width: 24px; height: 24px; font-size: 10px; }

/* ---------- Divider ------------------------------------------ */
.snd-divider { height: 1px; background: var(--border-1); border: 0; margin: 0; }

/* ---------- Kbd ---------------------------------------------- */
.snd-kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 20px; padding: 0 5px;
  border: 1px solid var(--border-2);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--paper-2);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  line-height: 1;
}

/* ---------- List row ----------------------------------------- */
.snd-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border-radius: var(--r-2);
  cursor: pointer;
  transition: background-color var(--d-fast) var(--ease);
}
.snd-row:hover { background: var(--moss); }
.snd-row.active { background: var(--moss-2); }

/* ---------- Sidebar nav item --------------------------------- */
.snd-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  border-radius: var(--r-2);
  font-size: 14px;
  color: var(--fg-2);
  cursor: pointer;
  transition: background-color var(--d-fast) var(--ease), color var(--d-fast) var(--ease);
}
.snd-nav-item:hover { background: var(--moss); color: var(--fern-800); }
.snd-nav-item.active { background: var(--moss); color: var(--fern-800); font-weight: 500; }
.snd-nav-item .snd-nav-count { margin-left: auto; font-size: 12px; color: var(--fg-3); font-variant-numeric: tabular-nums; }
.snd-nav-item.active .snd-nav-count { color: var(--fern-700); }

/* ---------- Toggle ------------------------------------------- */
.snd-toggle {
  position: relative;
  width: 32px; height: 18px;
  border-radius: var(--r-pill);
  background: var(--stone-2);
  cursor: pointer;
  transition: background-color var(--d-normal) var(--ease);
  flex-shrink: 0;
}
.snd-toggle::after {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--paper-2);
  box-shadow: 0 1px 2px rgba(23,26,20,0.18);
  transition: transform var(--d-normal) var(--ease);
}
.snd-toggle.on { background: var(--fern-500); }
.snd-toggle.on::after { transform: translateX(14px); }

/* ---------- Tab ---------------------------------------------- */
.snd-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border-1); }
.snd-tab {
  position: relative;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--fg-2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--d-fast) var(--ease), border-color var(--d-fast) var(--ease);
}
.snd-tab:hover { color: var(--fg-1); }
.snd-tab.active { color: var(--ink); border-bottom-color: var(--fern-500); font-weight: 500; }

/* ---------- Icon defaults ------------------------------------ */
.snd-icon { width: 20px; height: 20px; stroke-width: 1.75; flex-shrink: 0; }
.snd-icon.sm { width: 16px; height: 16px; }
.snd-icon.lg { width: 24px; height: 24px; }