/* ============================================================
   ENTRELAÇOS · Componentes Avançados (Tier 1) · modo dark
   Modais, drawers, toasts, tabs, accordion, dropdown, switch,
   checkbox, radio, segmented, skeleton, spinner, progress,
   avatar, tooltip, empty-state, stepper.
   Depende de tokens.css.
   ============================================================ */

/* ---------- MODAL / DIALOG ---------- */
.e-modal-scrim {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5,3,9,0.72);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  padding: 24px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--e-dur-base) var(--e-ease);
}
.e-modal-scrim.is-open { opacity: 1; pointer-events: auto; }
.e-modal {
  width: 100%; max-width: 460px;
  background: var(--e-bg-elev);
  border: 1px solid var(--e-border-strong);
  border-radius: var(--e-r-2xl);
  box-shadow: var(--e-sh-lg), var(--e-sh-glow);
  padding: 32px;
  transform: translateY(12px) scale(0.98);
  transition: transform var(--e-dur-base) var(--e-ease);
}
.e-modal-scrim.is-open .e-modal { transform: none; }
.e-modal-eyebrow { font-family: var(--ff-mono); font-size: 0.62rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--e-purple-300); margin-bottom: 12px; }
.e-modal h3 { font-family: var(--ff-sans); font-weight: 500; font-size: 1.5rem; letter-spacing: -0.02em; margin-bottom: 10px; color: var(--e-text); }
.e-modal h3 em { font-family: var(--ff-serif); font-style: italic; font-weight: 400; color: var(--e-purple-300); }
.e-modal p { color: var(--e-text-secondary); line-height: 1.55; margin-bottom: 24px; }
.e-modal-actions { display: flex; gap: 10px; justify-content: flex-end; }
.e-modal-x { position: absolute; }

/* ---------- DRAWER ---------- */
.e-drawer-scrim {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5,3,9,0.72);
  backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none;
  transition: opacity var(--e-dur-base) var(--e-ease);
}
.e-drawer-scrim.is-open { opacity: 1; pointer-events: auto; }
.e-drawer {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: min(420px, 90vw);
  background: var(--e-bg-elev);
  border-left: 1px solid var(--e-border-strong);
  box-shadow: var(--e-sh-lg);
  padding: 32px;
  transform: translateX(100%);
  transition: transform var(--e-dur-base) var(--e-ease);
  overflow-y: auto;
}
.e-drawer-scrim.is-open .e-drawer { transform: none; }
.e-drawer h3 { font-family: var(--ff-sans); font-weight: 500; font-size: 1.4rem; letter-spacing: -0.02em; margin-bottom: 8px; }
.e-drawer h3 em { font-family: var(--ff-serif); font-style: italic; color: var(--e-purple-300); }

/* ---------- TOAST ---------- */
.e-toast-stack { position: fixed; right: 20px; bottom: 20px; z-index: 300; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
.e-toast {
  pointer-events: auto;
  display: flex; align-items: flex-start; gap: 12px;
  min-width: 280px; max-width: 360px;
  padding: 14px 16px;
  background: var(--e-bg-elev);
  border: 1px solid var(--e-border-strong);
  border-radius: var(--e-r-md);
  box-shadow: var(--e-sh-md);
  font-size: 0.9rem; color: var(--e-text);
  animation: e-toast-in var(--e-dur-base) var(--e-ease);
}
.e-toast.leaving { animation: e-toast-out var(--e-dur-base) var(--e-ease) forwards; }
@keyframes e-toast-in { from { opacity: 0; transform: translateX(16px); } }
@keyframes e-toast-out { to { opacity: 0; transform: translateX(16px); } }
.e-toast-ic { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.e-toast.success .e-toast-ic { color: var(--e-success); }
.e-toast.warn .e-toast-ic { color: var(--e-orange); }
.e-toast.error .e-toast-ic { color: var(--e-error); }
.e-toast.info .e-toast-ic { color: var(--e-purple-300); }
.e-toast b { font-weight: 500; display: block; margin-bottom: 2px; }
.e-toast span { color: var(--e-text-secondary); font-size: 0.84rem; }

/* ---------- TABS ---------- */
.e-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--e-border); margin-bottom: 24px; }
.e-tab {
  font-family: var(--ff-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  padding: 12px 16px; background: transparent; border: 0;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  color: var(--e-text-muted); cursor: pointer; transition: color var(--e-dur-fast);
}
.e-tab:hover { color: var(--e-text-secondary); }
.e-tab.is-active { color: var(--e-purple-300); border-bottom-color: var(--e-purple-400); }
.e-tabpanel { display: none; color: var(--e-text-secondary); line-height: 1.6; }
.e-tabpanel.is-active { display: block; animation: e-fade var(--e-dur-base) var(--e-ease); }
@keyframes e-fade { from { opacity: 0; transform: translateY(6px); } }

/* ---------- ACCORDION ---------- */
.e-accordion { border: 1px solid var(--e-border); border-radius: var(--e-r-lg); overflow: hidden; }
.e-acc-item + .e-acc-item { border-top: 1px solid var(--e-border); }
.e-acc-trigger {
  width: 100%; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px; background: transparent; border: 0; cursor: pointer;
  font-family: var(--ff-sans); font-weight: 500; font-size: 1rem; color: var(--e-text);
  transition: background var(--e-dur-fast);
}
.e-acc-trigger:hover { background: rgba(180,140,255,0.04); }
.e-acc-trigger .chev { width: 18px; height: 18px; color: var(--e-purple-300); transition: transform var(--e-dur-base) var(--e-ease); flex-shrink: 0; }
.e-acc-item.is-open .e-acc-trigger .chev { transform: rotate(180deg); }
.e-acc-body { max-height: 0; overflow: hidden; transition: max-height var(--e-dur-base) var(--e-ease); }
.e-acc-body-inner { padding: 0 22px 20px; color: var(--e-text-secondary); line-height: 1.6; }

/* ---------- DROPDOWN / SELECT ---------- */
.e-dropdown { position: relative; display: inline-block; }
.e-dropdown-trigger {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 11px 16px; border-radius: var(--e-r-md);
  background: rgba(180,140,255,0.04); border: 1px solid var(--e-border-strong);
  color: var(--e-text); font-family: var(--ff-sans); font-size: 0.9rem; cursor: pointer;
  transition: border-color var(--e-dur-fast);
}
.e-dropdown-trigger:hover { border-color: var(--e-purple-400); }
.e-dropdown-trigger .chev { width: 16px; height: 16px; color: var(--e-text-muted); transition: transform var(--e-dur-base); }
.e-dropdown.is-open .e-dropdown-trigger .chev { transform: rotate(180deg); }
.e-dropdown-menu {
  position: absolute; top: calc(100% + 6px); left: 0; min-width: 200px; z-index: 50;
  background: var(--e-bg-elev); border: 1px solid var(--e-border-strong);
  border-radius: var(--e-r-md); box-shadow: var(--e-sh-md);
  padding: 6px; opacity: 0; transform: translateY(-6px); pointer-events: none;
  transition: all var(--e-dur-fast) var(--e-ease);
}
.e-dropdown.is-open .e-dropdown-menu { opacity: 1; transform: none; pointer-events: auto; }
.e-dropdown-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border-radius: var(--e-r-sm); background: transparent; border: 0;
  color: var(--e-text-secondary); font-family: var(--ff-sans); font-size: 0.88rem; text-align: left; cursor: pointer;
  transition: all var(--e-dur-fast);
}
.e-dropdown-item:hover { background: rgba(180,140,255,0.08); color: var(--e-text); }
.e-dropdown-item.is-selected { color: var(--e-purple-300); }
.e-dropdown-sep { height: 1px; background: var(--e-border); margin: 6px 0; }

/* ---------- SWITCH ---------- */
.e-switch { position: relative; display: inline-flex; align-items: center; gap: 12px; cursor: pointer; user-select: none; }
.e-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.e-switch-track {
  width: 44px; height: 26px; border-radius: 9999px;
  background: rgba(180,140,255,0.12); border: 1px solid var(--e-border-strong);
  transition: all var(--e-dur-base) var(--e-ease); flex-shrink: 0; position: relative;
}
.e-switch-thumb {
  position: absolute; top: 2px; left: 2px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--e-text-muted); transition: all var(--e-dur-base) var(--e-ease);
}
.e-switch input:checked + .e-switch-track { background: var(--e-purple-600); border-color: var(--e-purple-500); box-shadow: var(--e-sh-purple); }
.e-switch input:checked + .e-switch-track .e-switch-thumb { left: 20px; background: #fff; }
.e-switch input:focus-visible + .e-switch-track { box-shadow: 0 0 0 3px rgba(116,39,212,0.30); }
.e-switch-label { font-size: 0.9rem; color: var(--e-text); }

/* ---------- CHECKBOX ---------- */
.e-check { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.e-check input { position: absolute; opacity: 0; }
.e-check-box {
  width: 20px; height: 20px; border-radius: 6px; flex-shrink: 0;
  border: 1px solid var(--e-border-strong); background: rgba(180,140,255,0.04);
  display: grid; place-items: center; transition: all var(--e-dur-fast) var(--e-ease);
}
.e-check-box svg { width: 13px; height: 13px; color: #fff; opacity: 0; transform: scale(0.6); transition: all var(--e-dur-fast) var(--e-ease); }
.e-check input:checked + .e-check-box { background: var(--e-purple-600); border-color: var(--e-purple-500); }
.e-check input:checked + .e-check-box svg { opacity: 1; transform: none; }
.e-check input:focus-visible + .e-check-box { box-shadow: 0 0 0 3px rgba(116,39,212,0.30); }
.e-check-label { font-size: 0.9rem; color: var(--e-text); }

/* ---------- RADIO ---------- */
.e-radio { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; }
.e-radio input { position: absolute; opacity: 0; }
.e-radio-dot {
  width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
  border: 1px solid var(--e-border-strong); background: rgba(180,140,255,0.04);
  display: grid; place-items: center; transition: all var(--e-dur-fast) var(--e-ease);
}
.e-radio-dot::after { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #fff; opacity: 0; transform: scale(0.4); transition: all var(--e-dur-fast) var(--e-ease); }
.e-radio input:checked + .e-radio-dot { background: var(--e-purple-600); border-color: var(--e-purple-500); }
.e-radio input:checked + .e-radio-dot::after { opacity: 1; transform: none; }
.e-radio input:focus-visible + .e-radio-dot { box-shadow: 0 0 0 3px rgba(116,39,212,0.30); }

/* ---------- SEGMENTED CONTROL ---------- */
.e-segmented { display: inline-flex; padding: 4px; gap: 2px; background: rgba(180,140,255,0.06); border: 1px solid var(--e-border); border-radius: var(--e-r-pill); }
.e-seg-btn {
  padding: 8px 18px; border: 0; border-radius: var(--e-r-pill); background: transparent;
  font-family: var(--ff-mono); font-size: 0.74rem; letter-spacing: 0.08em; color: var(--e-text-muted); cursor: pointer;
  transition: all var(--e-dur-fast) var(--e-ease);
}
.e-seg-btn:hover { color: var(--e-text-secondary); }
.e-seg-btn.is-active { background: var(--e-purple-600); color: #fff; box-shadow: var(--e-sh-purple); }

/* ---------- SLIDER ---------- */
.e-slider { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 9999px; background: rgba(180,140,255,0.16); outline: none; }
.e-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--e-purple-500); border: 2px solid #fff; box-shadow: var(--e-sh-purple); cursor: pointer; transition: transform var(--e-dur-fast); }
.e-slider::-webkit-slider-thumb:hover { transform: scale(1.12); }
.e-slider::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--e-purple-500); border: 2px solid #fff; cursor: pointer; }

/* ---------- SKELETON ---------- */
.e-skel { border-radius: var(--e-r-sm); background: linear-gradient(100deg, rgba(180,140,255,0.06) 30%, rgba(180,140,255,0.16) 50%, rgba(180,140,255,0.06) 70%); background-size: 200% 100%; animation: e-skel 1.4s ease-in-out infinite; }
@keyframes e-skel { to { background-position: -200% 0; } }
.e-skel-line { height: 12px; margin-bottom: 10px; }
.e-skel-circle { border-radius: 50%; }

/* ---------- SPINNER ---------- */
.e-spinner { width: 28px; height: 28px; border-radius: 50%; border: 2.5px solid rgba(180,140,255,0.18); border-top-color: var(--e-purple-400); animation: e-spin 0.7s linear infinite; }
@keyframes e-spin { to { transform: rotate(360deg); } }

/* ---------- PROGRESS ---------- */
.e-progress { height: 8px; border-radius: 9999px; background: rgba(180,140,255,0.12); overflow: hidden; }
.e-progress-bar { height: 100%; border-radius: 9999px; background: linear-gradient(90deg, var(--e-purple-500), var(--e-purple-700)); transition: width var(--e-dur-slow) var(--e-ease); }
.e-progress-bar.warm { background: linear-gradient(90deg, var(--e-orange), var(--e-orange-soft)); }

/* ---------- STEPPER ---------- */
.e-stepper { display: flex; align-items: center; gap: 0; }
.e-step { display: flex; align-items: center; gap: 12px; }
.e-step-dot { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-family: var(--ff-mono); font-size: 0.8rem; flex-shrink: 0; border: 1px solid var(--e-border-strong); background: var(--e-bg-elev); color: var(--e-text-muted); transition: all var(--e-dur-base); }
.e-step.done .e-step-dot { background: var(--e-purple-600); border-color: var(--e-purple-500); color: #fff; }
.e-step.active .e-step-dot { border-color: var(--e-purple-400); color: var(--e-purple-300); box-shadow: 0 0 0 4px rgba(116,39,212,0.18); }
.e-step-label { font-family: var(--ff-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--e-text-muted); white-space: nowrap; }
.e-step.active .e-step-label, .e-step.done .e-step-label { color: var(--e-text); }
.e-step-line { width: 48px; height: 1px; background: var(--e-border-strong); margin: 0 12px; }
.e-step.done + .e-step .e-step-line, .e-step.done .e-step-line { background: var(--e-purple-500); }

/* ---------- AVATAR ---------- */
.e-avatar { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-family: var(--ff-mono); font-size: 0.82rem; font-weight: 500; color: #fff; background: var(--e-grad-purple); border: 1px solid rgba(255,255,255,0.12); flex-shrink: 0; }
.e-avatar.sm { width: 30px; height: 30px; font-size: 0.7rem; }
.e-avatar.lg { width: 56px; height: 56px; font-size: 1.05rem; }
.e-avatar-group { display: flex; }
.e-avatar-group .e-avatar { margin-left: -10px; border: 2px solid var(--e-bg); }
.e-avatar-group .e-avatar:first-child { margin-left: 0; }
.e-avatar-more { margin-left: -10px; border: 2px solid var(--e-bg); background: var(--e-bg-elev); color: var(--e-text-secondary); }

/* ---------- TOOLTIP ---------- */
.e-tip { position: relative; display: inline-flex; }
.e-tip::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%) translateY(4px);
  padding: 7px 12px; border-radius: var(--e-r-sm);
  background: var(--e-purple-800); color: var(--e-text); border: 1px solid var(--e-border-strong);
  font-family: var(--ff-mono); font-size: 0.68rem; letter-spacing: 0.06em; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: all var(--e-dur-fast) var(--e-ease); box-shadow: var(--e-sh-md);
}
.e-tip:hover::after { opacity: 1; transform: translateX(-50%); }

/* ---------- EMPTY STATE ---------- */
.e-empty { text-align: center; padding: 56px 24px; }
.e-empty-ic { width: 48px; height: 48px; margin: 0 auto 18px; color: var(--e-text-faint); }
.e-empty h4 { font-family: var(--ff-sans); font-weight: 500; font-size: 1.2rem; color: var(--e-text); margin-bottom: 8px; }
.e-empty h4 em { font-family: var(--ff-serif); font-style: italic; color: var(--e-purple-300); }
.e-empty p { color: var(--e-text-muted); max-width: 360px; margin: 0 auto 22px; line-height: 1.55; }

/* ---------- ALERT (inline) ---------- */
.e-alert { display: flex; gap: 12px; padding: 16px 18px; border-radius: var(--e-r-md); border: 1px solid; font-size: 0.9rem; line-height: 1.5; }
.e-alert-ic { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; }
.e-alert.info { background: rgba(116,39,212,0.08); border-color: rgba(116,39,212,0.25); color: var(--e-text-secondary); }
.e-alert.info .e-alert-ic { color: var(--e-purple-300); }
.e-alert.success { background: rgba(16,185,129,0.08); border-color: rgba(16,185,129,0.25); color: var(--e-text-secondary); }
.e-alert.success .e-alert-ic { color: var(--e-success); }
.e-alert.warn { background: rgba(255,138,31,0.08); border-color: rgba(255,138,31,0.25); color: var(--e-text-secondary); }
.e-alert.warn .e-alert-ic { color: var(--e-orange); }
.e-alert b { color: var(--e-text); font-weight: 500; }