/* ═══════════════════════════════════════
   COMPONENTS
═══════════════════════════════════════ */

/* ─── Header ─── */
.app-header {
  flex-shrink: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--bdr);
  padding: 0 20px;
  height: 58px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--sh1);
  position: relative;
  z-index: 100;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.app-logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #A06010, var(--amber));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--amber-glow);
}

.app-logo-icon svg {
  width: 22px;
  height: 22px;
}

.app-logo-name {
  font-weight: 700;
  font-size: 17px;
  color: var(--amber);
  letter-spacing: -0.01em;
  line-height: 1;
}

.app-logo-tag {
  font-size: 10px;
  color: var(--txt3);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-top: 2px;
}

.header-mid {
  flex: 1;
}

.header-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.hbtn {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--bdr);
  background: transparent;
  color: var(--txt2);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s;
}

.hbtn:hover {
  background: var(--surface2);
}

.version-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--amber-dim);
  color: var(--amber);
  border: 1px solid var(--bdr-amber);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
}

/* ─── Nav Tabs ─── */
.nav-bar {
  flex-shrink: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--bdr);
  display: flex;
  padding: 0 16px;
  gap: 2px;
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--txt3);
  cursor: pointer;
  border: none;
  background: transparent;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.nav-tab .tab-icon {
  font-size: 15px;
  display: flex;
  align-items: center;
}

.nav-tab:hover {
  color: var(--txt2);
}

.nav-tab.active {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.nav-tab .badge {
  font-size: 9px;
  padding: 1px 5px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--purple), #5B21B6);
  color: #fff;
  font-weight: 600;
  letter-spacing: 0.04em;
}

@media (max-width: 500px) {
  .nav-tab {
    padding: 12px 10px;
    font-size: 12px;
    gap: 5px;
  }

  .nav-tab .tab-label {
    display: none;
  }

  .nav-tab.active .tab-label {
    display: block;
  }

  .nav-tab .tab-icon {
    font-size: 18px;
  }
}

/* ─── App Body ─── */
.app-body {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.app-panel {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  visibility: hidden;
  pointer-events: none;
  will-change: visibility;
}

.app-panel.active {
  visibility: visible;
  pointer-events: auto;
}

/* ─── Split Layout ─── */
/* Mobile-first: empilha esquerda em cima e resultado abaixo; rola como
   uma única coluna. Em ≥820px vira side-by-side com scroll independente. */
.split {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

.split-left {
  width: 100%;
  flex-shrink: 0;
  overflow: visible;
  border-bottom: 1px solid var(--bdr);
  background: var(--surface);
}

.split-right {
  display: flex;
  width: 100%;
  background: var(--bg);
  flex-direction: column;
  overflow: visible;
  min-height: 0;
}

@media (min-width: 820px) {
  .split {
    flex-direction: row;
    overflow: hidden;
  }

  .split-left {
    width: 420px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    border-right: 1px solid var(--bdr);
    border-bottom: none;
  }

  .split-right {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
}

/* ─── Buttons ─── */
.btn {
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--amber);
  color: white;
}

.btn-primary:hover {
  background: #D68A2A;
  box-shadow: 0 2px 8px var(--amber-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--txt2);
  border: 1px solid var(--bdr);
}

.btn-ghost:hover {
  background: var(--surface2);
  border-color: var(--txt3);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 11px;
}

/* ─── Cards ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--bdr);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--sh1);
}

.card.accent {
  border-color: var(--bdr-amber);
  background: linear-gradient(135deg, rgba(193, 122, 36, 0.03), var(--surface));
}

.card-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--txt3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* ─── Sections ─── */
.section-header {
  padding: 16px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--txt3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.content-pad {
  padding: 16px 20px 32px;
}

/* ─── Forms ─── */
.field-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--txt3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.field-input {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--bdr);
  color: var(--txt);
  font-family: 'Outfit', sans-serif;
  font-size: 13px;
  padding: 8px 11px;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s;
}

.field-input:focus {
  border-color: var(--amber);
}

.field-select {
  width: 100%;
  background: var(--surface);
  border: 1.5px solid var(--bdr);
  color: var(--txt);
  font-size: 12px;
  padding: 8px 11px;
  border-radius: 8px;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
}

.field-color {
  width: 100%;
  height: 36px;
  border: 1.5px solid var(--bdr);
  border-radius: 8px;
  cursor: pointer;
  background: var(--surface);
  padding: 2px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.form-grid.full {
  grid-template-columns: 1fr;
}

.form-actions {
  display: flex;
  gap: 8px;
}