/* ============================================================
   IDONEA — Atoms
   Botones, inputs, badges, avatars, switches, checkboxes…
   ============================================================ */

/* ----- BUTTONS ----- */
.idn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--idn-radius-pill);
  font-family: var(--idn-font-sans);
  font-size: var(--idn-text-sm);
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background var(--idn-dur-fast) var(--idn-ease-out),
              color var(--idn-dur-fast) var(--idn-ease-out),
              border-color var(--idn-dur-fast) var(--idn-ease-out),
              box-shadow var(--idn-dur-fast) var(--idn-ease-out),
              transform var(--idn-dur-fast) var(--idn-ease-out);
  position: relative;
}
.idn-btn:focus-visible { outline: none; box-shadow: var(--idn-shadow-focus); }
.idn-btn:active:not(:disabled) { transform: translateY(1px); }
.idn-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.idn-btn .idn-icon { width: 16px; height: 16px; flex-shrink: 0; }

/* Sizes */
.idn-btn--sm { padding: 7px 14px; font-size: var(--idn-text-xs); gap: 6px; }
.idn-btn--sm .idn-icon { width: 14px; height: 14px; }
.idn-btn--md { padding: 10px 20px; font-size: var(--idn-text-sm); }
.idn-btn--lg { padding: 14px 28px; font-size: var(--idn-text-md); gap: 10px; }
.idn-btn--lg .idn-icon { width: 18px; height: 18px; }
.idn-btn--xl { padding: 18px 32px; font-size: var(--idn-text-md); gap: 12px; }

.idn-btn--block { width: 100%; }
.idn-btn--icon-only { padding: 10px; aspect-ratio: 1; }
.idn-btn--icon-only.idn-btn--sm { padding: 7px; }
.idn-btn--icon-only.idn-btn--lg { padding: 14px; }

/* Variantes */
.idn-btn--primary {
  background: var(--idn-brand);
  color: var(--idn-text-on-brand);
}
.idn-btn--primary:hover:not(:disabled) {
  background: var(--idn-brand-hover);
  box-shadow: var(--idn-shadow-brand);
}
.idn-btn--primary:active:not(:disabled) { background: var(--idn-brand-active); }

.idn-btn--secondary {
  background: var(--idn-surface);
  color: var(--idn-brand);
  border-color: var(--idn-border-brand);
}
.idn-btn--secondary:hover:not(:disabled) {
  background: var(--idn-brand-soft);
  border-color: var(--idn-red-300);
}

.idn-btn--outline {
  background: transparent;
  color: var(--idn-text);
  border-color: var(--idn-border-strong);
}
.idn-btn--outline:hover:not(:disabled) {
  background: var(--idn-surface-alt);
  border-color: var(--idn-text-muted);
}

.idn-btn--ghost {
  background: transparent;
  color: var(--idn-text);
}
.idn-btn--ghost:hover:not(:disabled) { background: var(--idn-surface-alt); }

.idn-btn--ghost-brand {
  background: transparent;
  color: var(--idn-brand);
}
.idn-btn--ghost-brand:hover:not(:disabled) { background: var(--idn-brand-soft); }

.idn-btn--danger {
  background: var(--idn-danger-600);
  color: #fff;
}
.idn-btn--danger:hover:not(:disabled) { background: var(--idn-danger-700); }
.idn-btn--danger:focus-visible { box-shadow: var(--idn-shadow-focus-danger); }

.idn-btn--success {
  background: var(--idn-success-600);
  color: #fff;
}
.idn-btn--success:hover:not(:disabled) { background: var(--idn-success-700); }

.idn-btn--link {
  background: transparent;
  color: var(--idn-brand);
  padding: 0;
  border-radius: 0;
}
.idn-btn--link:hover:not(:disabled) { color: var(--idn-brand-hover); text-decoration: underline; }

/* Loading state */
.idn-btn--loading { color: transparent !important; pointer-events: none; }
.idn-btn--loading::after {
  content: "";
  position: absolute;
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  color: var(--idn-text-on-brand);
  animation: idn-spin 0.7s linear infinite;
}
.idn-btn--secondary.idn-btn--loading::after,
.idn-btn--outline.idn-btn--loading::after,
.idn-btn--ghost.idn-btn--loading::after,
.idn-btn--ghost-brand.idn-btn--loading::after,
.idn-btn--link.idn-btn--loading::after { color: var(--idn-brand); }

@keyframes idn-spin { to { transform: rotate(360deg); } }

/* ----- ICON BUTTON / ICON ----- */
.idn-icon {
  width: 1em; height: 1em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ----- INPUTS ----- */
.idn-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--idn-radius-md);
  border: 1px solid var(--idn-border-strong);
  background: var(--idn-surface);
  color: var(--idn-text);
  font-size: var(--idn-text-sm);
  font-family: inherit;
  transition: border-color var(--idn-dur-fast) var(--idn-ease-out),
              box-shadow var(--idn-dur-fast) var(--idn-ease-out),
              background var(--idn-dur-fast) var(--idn-ease-out);
}
.idn-input::placeholder { color: var(--idn-text-subtle); }
.idn-input:hover:not(:disabled):not(:focus) { border-color: var(--idn-text-subtle); }
.idn-input:focus {
  outline: none;
  border-color: var(--idn-brand);
  box-shadow: var(--idn-shadow-focus);
}
.idn-input:disabled {
  background: var(--idn-surface-sunken);
  color: var(--idn-text-muted);
  cursor: not-allowed;
}
.idn-input.is-error {
  border-color: var(--idn-danger-500);
}
.idn-input.is-error:focus { box-shadow: var(--idn-shadow-focus-danger); }

/* Input with leading icon */
.idn-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.idn-input-wrap .idn-input-icon {
  position: absolute;
  left: 14px;
  width: 16px; height: 16px;
  color: var(--idn-text-muted);
  pointer-events: none;
}
.idn-input-wrap .idn-input-icon--right { left: auto; right: 14px; pointer-events: auto; cursor: pointer; }
.idn-input-wrap > .idn-input:has(+ .idn-input-icon--right),
.idn-input-wrap .idn-input--with-icon { padding-left: 40px; }
.idn-input-wrap .idn-input--with-icon-right { padding-right: 40px; }

/* Sizes */
.idn-input--sm { padding: 7px 12px; font-size: var(--idn-text-xs); border-radius: var(--idn-radius-sm); }
.idn-input--lg { padding: 14px 16px; font-size: var(--idn-text-md); }

/* Textarea */
.idn-textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--idn-radius-md);
  border: 1px solid var(--idn-border-strong);
  background: var(--idn-surface);
  color: var(--idn-text);
  font-size: var(--idn-text-sm);
  font-family: inherit;
  resize: vertical;
  min-height: 96px;
  transition: border-color var(--idn-dur-fast), box-shadow var(--idn-dur-fast);
}
.idn-textarea:focus {
  outline: none;
  border-color: var(--idn-brand);
  box-shadow: var(--idn-shadow-focus);
}

/* Select (custom-look) */
.idn-select {
  width: 100%;
  padding: 10px 40px 10px 14px;
  border-radius: var(--idn-radius-md);
  border: 1px solid var(--idn-border-strong);
  background: var(--idn-surface);
  color: var(--idn-text);
  font-size: var(--idn-text-sm);
  font-family: inherit;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none' stroke='%236E5D63' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M1 1.5l5 5 5-5'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  transition: border-color var(--idn-dur-fast), box-shadow var(--idn-dur-fast);
}
.idn-select:focus { outline: none; border-color: var(--idn-brand); box-shadow: var(--idn-shadow-focus); }

/* ----- LABEL / HELPER ----- */
.idn-label {
  display: block;
  font-size: var(--idn-text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--idn-tracking-wide);
  color: var(--idn-text-muted);
  margin-bottom: 6px;
}
.idn-label .idn-required { color: var(--idn-danger-500); margin-left: 2px; }
.idn-helper {
  display: block;
  font-size: var(--idn-text-xs);
  color: var(--idn-text-muted);
  margin-top: 6px;
}
.idn-helper--error { color: var(--idn-danger-600); }
.idn-helper--success { color: var(--idn-success-600); }

.idn-field { margin-bottom: 16px; }

/* ----- CHECKBOX / RADIO ----- */
.idn-check {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: var(--idn-text-sm);
}
.idn-check input { position: absolute; opacity: 0; pointer-events: none; }
.idn-check .idn-check-box {
  width: 18px; height: 18px;
  border-radius: var(--idn-radius-xs);
  border: 1.5px solid var(--idn-border-strong);
  background: var(--idn-surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--idn-dur-fast) var(--idn-ease-out);
  flex-shrink: 0;
}
.idn-check .idn-check-box svg { width: 12px; height: 12px; color: #fff; opacity: 0; transition: opacity var(--idn-dur-fast); }
.idn-check input:checked + .idn-check-box {
  background: var(--idn-brand);
  border-color: var(--idn-brand);
}
.idn-check input:checked + .idn-check-box svg { opacity: 1; }
.idn-check input:focus-visible + .idn-check-box { box-shadow: var(--idn-shadow-focus); }
.idn-check:hover .idn-check-box { border-color: var(--idn-brand); }
.idn-check input:disabled + .idn-check-box { opacity: 0.5; }

.idn-radio .idn-check-box { border-radius: 50%; }
.idn-radio input:checked + .idn-check-box {
  background: var(--idn-surface);
  border: 5px solid var(--idn-brand);
}
.idn-radio input:checked + .idn-check-box svg { display: none; }

/* ----- SWITCH ----- */
.idn-switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: var(--idn-text-sm);
}
.idn-switch input { position: absolute; opacity: 0; pointer-events: none; }
.idn-switch .idn-switch-track {
  width: 36px; height: 20px;
  background: var(--idn-neutral-200);
  border-radius: 999px;
  position: relative;
  transition: background var(--idn-dur-fast) var(--idn-ease-out);
  flex-shrink: 0;
}
.idn-switch .idn-switch-thumb {
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
  transition: transform var(--idn-dur-fast) var(--idn-ease-out);
}
.idn-switch input:checked + .idn-switch-track { background: var(--idn-brand); }
.idn-switch input:checked + .idn-switch-track .idn-switch-thumb { transform: translateX(16px); }
.idn-switch input:focus-visible + .idn-switch-track { box-shadow: var(--idn-shadow-focus); }
[data-theme="dark"] .idn-switch .idn-switch-track { background: var(--idn-neutral-700); }

/* ----- BADGE / CHIP ----- */
.idn-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--idn-radius-pill);
  font-size: var(--idn-text-xs);
  font-weight: 600;
  line-height: 1.4;
  background: var(--idn-neutral-100);
  color: var(--idn-text);
  border: 1px solid transparent;
}
.idn-badge .idn-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.idn-badge--brand   { background: var(--idn-brand-soft); color: var(--idn-red-700); }
.idn-badge--success { background: var(--idn-success-50); color: var(--idn-success-700); }
.idn-badge--warning { background: var(--idn-warning-50); color: var(--idn-warning-700); }
.idn-badge--info    { background: var(--idn-info-50);    color: var(--idn-info-700); }
.idn-badge--danger  { background: var(--idn-danger-50);  color: var(--idn-danger-700); }
.idn-badge--neutral { background: var(--idn-neutral-50); color: var(--idn-text); border-color: var(--idn-border); }

[data-theme="dark"] .idn-badge--brand   { color: var(--idn-red-200); }
[data-theme="dark"] .idn-badge--success { color: #6EE7B7; }
[data-theme="dark"] .idn-badge--warning { color: #FCD34D; }
[data-theme="dark"] .idn-badge--info    { color: #93C5FD; }
[data-theme="dark"] .idn-badge--danger  { color: #FCA5A5; }

.idn-badge--outline {
  background: transparent;
  border-color: var(--idn-border-strong);
  color: var(--idn-text);
}
.idn-badge--lg { padding: 5px 14px; font-size: var(--idn-text-sm); }

/* ----- AVATAR ----- */
.idn-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--idn-brand-soft);
  color: var(--idn-brand);
  font-weight: 600;
  font-size: var(--idn-text-sm);
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.idn-avatar img { width: 100%; height: 100%; object-fit: cover; }
.idn-avatar--xs { width: 24px; height: 24px; font-size: 10px; }
.idn-avatar--sm { width: 32px; height: 32px; font-size: 12px; }
.idn-avatar--md { width: 40px; height: 40px; }
.idn-avatar--lg { width: 56px; height: 56px; font-size: var(--idn-text-md); }
.idn-avatar--xl { width: 80px; height: 80px; font-size: var(--idn-text-xl); }
.idn-avatar-status {
  position: absolute;
  bottom: 0; right: 0;
  width: 25%; height: 25%;
  min-width: 8px; min-height: 8px;
  border-radius: 50%;
  background: var(--idn-success-500);
  border: 2px solid var(--idn-surface);
}
.idn-avatar-status--busy { background: var(--idn-danger-500); }
.idn-avatar-status--away { background: var(--idn-warning-500); }

.idn-avatar-group { display: inline-flex; }
.idn-avatar-group .idn-avatar { border: 2px solid var(--idn-surface); margin-left: -10px; }
.idn-avatar-group .idn-avatar:first-child { margin-left: 0; }

/* ----- TOOLTIP (CSS-only) ----- */
.idn-tooltip {
  position: relative;
  display: inline-flex;
}
.idn-tooltip [data-tip] {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--idn-neutral-800);
  color: #fff;
  padding: 6px 10px;
  border-radius: var(--idn-radius-sm);
  font-size: var(--idn-text-xs);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--idn-dur-fast) var(--idn-ease-out);
  box-shadow: var(--idn-shadow-md);
  z-index: var(--idn-z-tooltip);
}
.idn-tooltip:hover [data-tip],
.idn-tooltip:focus-within [data-tip] {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
[data-theme="dark"] .idn-tooltip [data-tip] { background: var(--idn-neutral-700); }

/* ----- KBD ----- */
.idn-kbd {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  border-radius: var(--idn-radius-xs);
  background: var(--idn-surface-sunken);
  border: 1px solid var(--idn-border);
  font-family: var(--idn-font-mono);
  font-size: 11px;
  color: var(--idn-text-muted);
}