.app-shell {
  min-height: 100dvh;
  padding: 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 16px;
}

.client-header {
  min-height: 74px;
  border-radius: var(--radius-xl);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.12));
}

.brand-copy { min-width: 0; }

.brand-kicker {
  color: var(--olive-700);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-copy h1 {
  margin: 2px 0 2px;
  font-size: clamp(18px, 1.8vw, 24px);
  line-height: 1.05;
}

.brand-copy p {
  margin: 0;
  color: var(--text-soft);
  font-size: 13px;
}

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

.client-main {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(420px, 460px);
  gap: 16px;
  align-items: stretch;
}

@media (min-width: 1101px) {
  .app-shell {
    height: 100dvh;
    overflow: hidden;
  }

  .client-main {
    height: 100%;
    min-height: 0;
  }
}

.preview-panel,
.form-panel {
  min-height: 0;
  border-radius: var(--radius-xl);
}

.preview-panel {
  padding: 14px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  position: sticky;
  top: 14px;
  align-self: start;
  max-height: calc(100dvh - 132px);
  overflow: hidden;
}

@media (min-width: 1101px) {
  .preview-panel {
    height: calc(100dvh - 132px);
    max-height: calc(100dvh - 132px);
  }
}

.form-panel {
  padding: 18px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
}

@media (min-width: 1101px) {
  .form-panel {
    height: calc(100dvh - 132px);
    max-height: calc(100dvh - 132px);
    overflow: auto;
  }
}

.form-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.form-panel-header h2,
.form-panel-header p {
  margin-left: 0;
  margin-right: 0;
}

.form-panel-header h2 {
  font-size: 18px;
  line-height: 1.05;
}

.checkout-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
}

.summary-label {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
}

.standalone-screen,
.standalone-success-screen {
  min-height: 100vh;
  padding: 24px;
  display: grid;
  place-items: center;
}

.standalone-card {
  width: min(560px, 100%);
  padding: 32px;
  border-radius: var(--radius-xl);
  text-align: center;
}

.standalone-card-wide {
  width: min(1200px, 100%);
  text-align: left;
}

.brand-logo-success {
  width: 96px;
  margin: 0 auto 16px;
}

.success-header-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: start;
  margin-bottom: 24px;
}

.success-heading {
  display: flex;
  gap: 20px;
  align-items: center;
}

.success-heading .brand-logo-success {
  margin: 0;
  width: 90px;
  flex: 0 0 auto;
}

.standalone-card h1 {
  margin: 8px 0 10px;
}

.standalone-card p {
  margin: 0;
  color: var(--text-soft);
}

.standalone-actions {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.standalone-actions-column {
  margin-top: 0;
  flex-direction: column;
  align-items: stretch;
}

.success-preview-panel {
  min-height: 68vh;
}

@media (max-width: 1100px) {
  .client-main {
    grid-template-columns: 1fr;
  }

  .preview-panel {
    position: static;
    order: 1;
    height: auto;
    max-height: none;
    overflow: visible;
  }

  .form-panel {
    order: 0;
    height: auto;
    max-height: none;
    overflow: visible;
    padding-bottom: calc(104px + env(safe-area-inset-bottom, 0px));
  }

  .success-header-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .app-shell {
    padding: 6px;
    gap: 6px;
  }

  .client-header {
    min-height: auto;
    padding: 8px 10px;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    align-items: start;
  }

  .brand-block {
    gap: 8px;
    align-items: center;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand-kicker {
    font-size: 10px;
  }

  .brand-copy h1 {
    margin: 1px 0 0;
    font-size: 18px;
    line-height: 1.05;
  }

  .brand-copy p {
    display: none;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    gap: 8px;
  }

  .preview-panel,
  .form-panel {
    padding: 12px;
    border-radius: 24px;
  }

  .form-panel {
    gap: 10px;
  }

  .form-panel-header,
  .checkout-summary {
    display: none;
  }

  .success-heading {
    flex-direction: column;
    align-items: flex-start;
  }
}


@media (max-width: 760px) {
  .brand-logo {
    width: 42px;
    height: 42px;
  }

  .brand-kicker {
    font-size: 11px;
    letter-spacing: 0.12em;
  }

  .brand-copy h1 {
    margin: 0;
    font-size: 18px;
    line-height: 1;
  }

  .brand-copy p {
    display: none;
  }

  .preview-panel {
    padding: 10px;
  }

  .form-panel {
    padding: 12px;
    gap: 8px;
  }

  .form-panel-header h2 {
    display: none;
  }

  .checkout-summary {
    display: none;
  }
}


@media (max-width: 760px) {
  html, body {
    min-height: 100%;
  }

  html {
    background:
      linear-gradient(rgba(77, 93, 59, 0.18), rgba(77, 93, 59, 0.24)),
      url("../assets/fondo-kactus.jpg") center / cover no-repeat;
    background-attachment: scroll;
  }

  body {
    overflow-x: hidden;
    background: transparent;
  }

  .app-shell {
    width: 100%;
    max-width: 100vw;
    min-height: 100svh;
    padding-left: max(8px, env(safe-area-inset-left));
    padding-right: max(8px, env(safe-area-inset-right));
    padding-top: max(8px, env(safe-area-inset-top));
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    overflow-x: clip;
  }

  .client-header,
  .preview-panel,
  .form-panel,
  .standalone-card,
  .standalone-card-wide {
    width: 100%;
    max-width: 100%;
  }

  .client-header {
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .client-main {
    width: 100%;
    max-width: 100%;
    grid-template-columns: 1fr;
    overflow-x: clip;
  }

  .preview-panel,
  .form-panel {
    overflow-x: clip;
  }

  .standalone-success-screen,
  .standalone-screen {
    padding-left: max(8px, env(safe-area-inset-left));
    padding-right: max(8px, env(safe-area-inset-right));
    padding-top: max(8px, env(safe-area-inset-top));
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    background: transparent;
  }
}


@media (max-width: 760px) and (orientation: portrait) {
  .client-main {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    gap: 8px;
  }

  .preview-panel {
    order: 0;
    position: static;
    min-height: min(76svh, 800px);
    overflow: hidden;
  }

  .form-panel {
    order: 1;
  }

  .success-preview-panel {
    min-height: min(76svh, 800px);
  }
}


@media (max-width: 760px) and (orientation: portrait) {
  .standalone-success-screen {
    align-items: start;
  }

  .success-preview-panel {
    min-height: min(70svh, 720px);
  }
}

@media (max-width: 760px) {
  .standalone-success-screen {
    min-height: 100svh;
    padding-left: max(8px, env(safe-area-inset-left));
    padding-right: max(8px, env(safe-area-inset-right));
    padding-top: max(8px, env(safe-area-inset-top));
    padding-bottom: max(12px, env(safe-area-inset-bottom));
    align-items: start;
  }

  .standalone-card,
  .standalone-card-wide {
    width: 100%;
    padding: 14px;
    border-radius: 24px;
  }

  .success-header-row {
    gap: 10px;
    margin-bottom: 10px;
  }

  .success-heading {
    gap: 12px;
    align-items: flex-start;
  }

  .success-heading .brand-logo-success {
    width: 56px;
  }

  .standalone-actions-column {
    gap: 8px;
  }

  .standalone-actions-column .btn {
    width: 100%;
  }

  .success-preview-panel {
    padding: 12px 10px 14px;
    min-height: min(72svh, 740px);
  }
}