:root {
  color-scheme: light;
  --bg: #eef2f7;
  --bg-accent: radial-gradient(circle at top left, rgba(65, 149, 245, 0.18), transparent 34%),
    radial-gradient(circle at bottom right, rgba(104, 200, 128, 0.16), transparent 26%),
    linear-gradient(180deg, #f7f9fc 0%, #edf2f7 100%);
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.96);
  --surface-muted: rgba(232, 237, 246, 0.8);
  --border: rgba(34, 52, 84, 0.12);
  --text: #0f1729;
  --muted: #56647d;
  --shadow-1: 0 20px 48px rgba(24, 38, 62, 0.08);
  --shadow-2: 0 18px 36px rgba(16, 30, 58, 0.12);
  --sky: #4ab7ff;
  --yellow: #f5c64b;
  --red: #ef5a5a;
  --blue: #2766ff;
  --green: #35b56a;
  --accent: #2766ff;
  --editor-surface: #ffffff;
  --editor-text: #0e1320;
  --editor-paper-border: rgba(48, 66, 96, 0.08);
  --editor-paper-shadow: 0 22px 44px rgba(28, 43, 71, 0.12);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1322;
  --bg-accent: radial-gradient(circle at top left, rgba(57, 125, 219, 0.24), transparent 34%),
    radial-gradient(circle at bottom right, rgba(53, 181, 106, 0.14), transparent 28%),
    linear-gradient(180deg, #101929 0%, #0b1322 100%);
  --surface: rgba(14, 22, 38, 0.78);
  --surface-strong: rgba(16, 26, 45, 0.95);
  --surface-muted: rgba(19, 31, 54, 0.82);
  --border: rgba(145, 170, 220, 0.16);
  --text: #edf3ff;
  --muted: #aab9d7;
  --shadow-1: 0 24px 54px rgba(0, 0, 0, 0.38);
  --shadow-2: 0 20px 44px rgba(0, 0, 0, 0.5);
  --editor-surface: #121b2d;
  --editor-text: #eef3ff;
  --editor-paper-border: rgba(160, 184, 228, 0.18);
  --editor-paper-shadow: 0 24px 54px rgba(0, 0, 0, 0.42);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Aptos", "Segoe UI Variable", "Segoe UI", sans-serif;
  background: var(--bg-accent);
  color: var(--text);
}

button,
select,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.app-shell {
  min-height: 100svh;
  display: grid;
  grid-template-rows: minmax(66px, 9svh) 1fr;
  padding: clamp(0.9rem, 1.8vw, 1.5rem);
  gap: clamp(0.9rem, 1.8vw, 1.3rem);
}

.top-strip,
.workspace,
.tab-panel,
.editor-shell,
.editor-stage {
  min-width: 0;
}

.top-strip {
  position: relative;
  z-index: 300;
  overflow: visible;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-1);
  padding: clamp(0.38rem, 0.84vw, 0.52rem);
}

.top-strip-inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.65rem;
  align-items: stretch;
}

.app-menu {
  position: relative;
  min-width: 0;
  z-index: 320;
}

.app-brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.58rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: 0 12px 24px rgba(21, 34, 59, 0.1);
  white-space: nowrap;
}

.app-menu-toggle {
  cursor: pointer;
}

.app-menu-toggle:hover,
.app-menu-toggle:focus-visible {
  outline: none;
  border-color: rgba(39, 102, 255, 0.35);
  box-shadow: 0 14px 28px rgba(21, 34, 59, 0.14);
}

.app-brand-mark {
  width: 1.6rem;
  height: 1.6rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(39, 102, 255, 0.22), rgba(39, 102, 255, 0.12));
  color: var(--accent);
  flex: 0 0 auto;
}

.app-brand-icon {
  width: 0.92rem;
  height: 0.92rem;
  object-fit: contain;
  display: block;
}

.app-brand-name {
  font-size: 0.84rem;
  font-weight: 760;
  letter-spacing: 0.01em;
}

.app-brand-caret {
  width: 0.62rem;
  height: 0.62rem;
  margin-left: 0.08rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

.app-menu-toggle[aria-expanded="true"] .app-brand-caret {
  transform: rotate(225deg) translate(-0.08rem, -0.08rem);
}

.app-main-menu {
  position: absolute;
  top: calc(100% + 0.6rem);
  left: 0;
  z-index: 1000;
  width: min(24rem, calc(100vw - 2rem));
  padding: 0.55rem;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: color-mix(in srgb, var(--surface-strong) 92%, white 8%);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(18px);
}

.app-main-menu-list {
  display: grid;
  gap: 0.28rem;
}

.app-main-menu-separator {
  height: 1px;
  margin: 0.45rem 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.app-main-menu-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.72rem;
  padding: 0.72rem 0.82rem;
  border: 1px solid transparent;
  border-radius: 16px;
  background: transparent;
  color: var(--text);
  text-align: left;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.app-main-menu-item:hover,
.app-main-menu-item:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(39, 102, 255, 0.28);
  background: rgba(39, 102, 255, 0.08);
}

.app-main-menu-item.is-active {
  border-color: rgba(39, 102, 255, 0.32);
  background: rgba(39, 102, 255, 0.12);
}

.app-main-menu-icon-wrap {
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(39, 102, 255, 0.16), rgba(39, 102, 255, 0.08));
  color: var(--accent);
}

.app-main-menu-item[data-menu-kind="tab"] .app-main-menu-icon-wrap {
  color: #fff;
}

.app-main-menu-item[data-menu-accent="sky"] .app-main-menu-icon-wrap {
  background: linear-gradient(180deg, #61cbff, var(--sky));
}

.app-main-menu-item[data-menu-accent="yellow"] .app-main-menu-icon-wrap {
  background: linear-gradient(180deg, #fadd77, var(--yellow));
  color: #403100;
}

.app-main-menu-item[data-menu-accent="red"] .app-main-menu-icon-wrap {
  background: linear-gradient(180deg, #ff8e8e, var(--red));
}

.app-main-menu-item[data-menu-accent="blue"] .app-main-menu-icon-wrap {
  background: linear-gradient(180deg, #5f8cff, var(--blue));
}

.app-main-menu-icon {
  width: 1rem;
  height: 1rem;
}

.app-main-menu-label {
  min-width: 0;
  font-size: 0.92rem;
  font-weight: 680;
  line-height: 1.2;
}

.step-nav {
  height: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.45rem, 0.8vw, 0.65rem);
}

.top-strip-actions {
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 0.36rem;
}

.top-strip-action {
  align-self: center;
  width: clamp(1.95rem, 2.1vw, 2.3rem);
  height: clamp(1.95rem, 2.1vw, 2.3rem);
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  color: var(--text);
  box-shadow: 0 12px 24px rgba(21, 34, 59, 0.12);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.top-strip-action:hover,
.top-strip-action:focus-visible {
  outline: none;
  transform: translateY(-2px);
  border-color: rgba(39, 102, 255, 0.35);
}

.top-strip-action-icon {
  width: 0.95rem;
  height: 0.95rem;
}

.theme-icon {
  grid-area: 1 / 1;
  width: 1.25rem;
  height: 1.25rem;
  transition: opacity 180ms ease, transform 180ms ease;
}

.theme-icon-sun {
  opacity: 0;
  transform: scale(0.75) rotate(-14deg);
}

.theme-icon-moon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

html[data-theme="dark"] .theme-icon-sun {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

html[data-theme="dark"] .theme-icon-moon {
  opacity: 0;
  transform: scale(0.75) rotate(14deg);
}

.step-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.42rem;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--text);
  padding: clamp(0.36rem, 0.56vw, 0.48rem);
  text-align: left;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.step-sequence {
  min-width: 1rem;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1;
  text-align: center;
  color: color-mix(in srgb, var(--text) 88%, transparent);
}

.step-button:hover,
.step-button:focus-visible {
  outline: none;
  transform: translateY(-2px);
  border-color: var(--border);
  background: var(--surface-strong);
  box-shadow: 0 12px 24px rgba(21, 34, 59, 0.12);
}

.step-button.is-active {
  background: var(--surface-strong);
  border-color: var(--border);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2), var(--shadow-2);
}

.step-badge {
  width: clamp(1.72rem, 2vw, 2.02rem);
  height: clamp(1.72rem, 2vw, 2.02rem);
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 13px;
  color: #fff;
}

.step-badge::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent);
  mix-blend-mode: screen;
}

.step-badge-sky {
  background: linear-gradient(180deg, #61cbff, var(--sky));
}

.step-badge-yellow {
  background: linear-gradient(180deg, #fadd77, var(--yellow));
  color: #403100;
}

.step-badge-red {
  background: linear-gradient(180deg, #ff8e8e, var(--red));
}

.step-badge-blue {
  background: linear-gradient(180deg, #5f8cff, var(--blue));
}

.step-badge-green {
  background: linear-gradient(180deg, #6ce39b, var(--green));
}

.step-icon {
  width: 0.9rem;
  height: 0.9rem;
}

.step-count-badge {
  position: absolute;
  right: -0.38rem;
  top: -0.38rem;
  min-width: 2.06rem;
  height: 2.06rem;
  padding: 0 0.42rem;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(180deg, #e6f9ea, #bae9c7);
  color: #12683b;
  font-size: 0.92rem;
  font-weight: 800;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.14);
  border: 1px solid rgba(18, 104, 59, 0.14);
}

.step-label {
  font-size: clamp(0.72rem, 0.76vw, 0.82rem);
  font-weight: 650;
  line-height: 1.15;
}

.help-dialog {
  width: min(92vw, 42rem);
  border: none;
  padding: 0;
  background: transparent;
  color: var(--text);
}

.help-dialog::backdrop {
  background: rgba(10, 16, 27, 0.42);
  backdrop-filter: blur(4px);
}

.help-dialog-card {
  border: 1px solid var(--border);
  border-radius: 28px;
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.help-dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1rem 0.85rem;
  border-bottom: 1px solid var(--border);
}

.help-dialog-brand {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  min-width: 0;
}

.help-dialog-brand-mark {
  width: 2.35rem;
  height: 2.35rem;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--accent);
  background: linear-gradient(180deg, rgba(39, 102, 255, 0.2), rgba(39, 102, 255, 0.1));
}

.help-dialog-brand-icon {
  width: 1.2rem;
  height: 1.2rem;
  object-fit: contain;
  display: block;
}

.help-dialog-brand-copy {
  display: grid;
  gap: 0.16rem;
  min-width: 0;
  line-height: 1.3;
}

.help-dialog-brand-copy strong,
.help-dialog-brand-copy span,
.help-dialog-brand-copy a {
  font-size: 0.93rem;
}

.help-dialog-brand-copy a {
  color: var(--accent);
  text-decoration: none;
}

.help-dialog-brand-copy a:hover,
.help-dialog-brand-copy a:focus-visible {
  text-decoration: underline;
}

.help-dialog-update-button {
  margin-top: 0.15rem;
}

.help-dialog-update-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.15rem;
}

.help-dialog-close {
  width: 2.5rem;
  height: 2.5rem;
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
}

.help-dialog-close:hover,
.help-dialog-close:focus-visible {
  outline: none;
  border-color: rgba(39, 102, 255, 0.35);
  transform: translateY(-1px);
}

.help-dialog-body {
  padding: 1rem 1rem 1.1rem;
}

.help-dialog-body p {
  margin: 0 0 0.8rem;
  line-height: 1.55;
}

.help-dialog-steps {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.55rem;
  line-height: 1.5;
}

.help-dialog-shortcuts-title {
  margin: 1rem 0 0.55rem;
  font-weight: 700;
}

.help-dialog-shortcuts {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: 0.5rem;
  line-height: 1.5;
}

.update-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1rem;
}

.update-check-dialog {
  width: min(92vw, 46rem);
}

.update-check-status {
  margin-bottom: 0.85rem;
  font-weight: 700;
}

.update-check-status[data-status="running"] {
  color: var(--accent);
}

.update-check-status[data-status="success"] {
  color: var(--green);
}

.update-check-status[data-status="error"] {
  color: var(--red);
}

.update-check-status[data-status="warning"] {
  color: var(--yellow);
}

.update-check-log {
  margin: 0;
  min-height: 15rem;
  max-height: min(48vh, 22rem);
  overflow: auto;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(12, 20, 34, 0.94), rgba(18, 28, 46, 0.98));
  color: #e9f1ff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  font-family: "Consolas", "Cascadia Mono", "Courier New", monospace;
  font-size: 0.84rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.workspace {
  position: relative;
  z-index: 1;
  min-height: 0;
  height: 100%;
  display: grid;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: var(--surface);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-1);
  overflow: hidden;
}

.tab-panel {
  grid-area: 1 / 1;
  min-height: 0;
  height: 100%;
  padding: clamp(1rem, 2vw, 1.4rem);
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.placeholder-panel {
  place-items: center;
}

.placeholder-panel.is-active {
  display: grid;
  place-items: center;
}

.placeholder-copy {
  max-width: 40rem;
  padding: clamp(1.2rem, 3vw, 2.5rem);
  border-radius: 28px;
  background: linear-gradient(180deg, var(--surface-strong), var(--surface-muted));
  border: 1px solid var(--border);
  box-shadow: var(--shadow-2);
}

.eyebrow {
  margin: 0 0 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent);
}

.placeholder-copy h1 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3rem);
  line-height: 0.95;
}

.placeholder-copy p:last-child {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.attachments-panel {
  padding: clamp(0.9rem, 1.5vw, 1.1rem);
}

.attachments-panel.is-active {
  display: block;
}

.attachments-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.9rem;
}

.attachments-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface-strong);
  box-shadow: 0 10px 20px rgba(20, 33, 55, 0.08);
}

.attachments-action {
  min-height: 2.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  color: var(--text);
  transition: transform 180ms ease, border-color 180ms ease, opacity 180ms ease;
}

.attachments-action:hover,
.attachments-action:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(39, 102, 255, 0.35);
}

.attachments-action:disabled {
  opacity: 0.48;
  cursor: not-allowed;
  transform: none;
}

.attachments-action-icon {
  width: 1rem;
  height: 1rem;
}

.attachments-toolbar-separator {
  width: 1px;
  align-self: stretch;
  min-height: 2.5rem;
  background: var(--border);
  border-radius: 999px;
}

.attachments-toolbar-field {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-width: min(100%, 27rem);
  padding: 0.35rem 0.45rem 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}

.attachments-toolbar-label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  white-space: nowrap;
}

#attachments-bulk-type-picker {
  flex: 1 1 auto;
  min-width: 14rem;
}

.attachments-bulk-type-picker {
  width: 100%;
}

.attachments-bulk-type-picker .type-picker-summary {
  min-height: 2.8rem;
  padding: 0.55rem 0.75rem;
  border-radius: 16px;
}

.attachments-bulk-type-picker .type-picker-label {
  font-size: 0.84rem;
  font-weight: 600;
}

.attachments-list-shell {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.75rem;
  padding: clamp(0.85rem, 1.4vw, 1rem);
  border: 1px solid var(--border);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent),
    linear-gradient(180deg, var(--surface-strong), var(--surface-muted));
  box-shadow: var(--shadow-2);
  overflow: visible;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

html[data-theme="dark"] .attachments-list-shell {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    linear-gradient(180deg, rgba(16, 26, 45, 0.98), rgba(18, 30, 52, 0.88));
}

.attachments-list-shell.is-drag-over {
  border-color: rgba(39, 102, 255, 0.48);
  box-shadow: 0 18px 36px rgba(39, 102, 255, 0.16);
  transform: translateY(-1px);
}

.attachments-list-head {
  display: grid;
  grid-template-columns: minmax(4.5rem, 10%) minmax(0, 50%) minmax(16rem, 40%);
  gap: 1rem;
  padding: 0 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.list-head-sort-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  justify-self: start;
  padding: 0;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

.list-head-sort-button:hover,
.list-head-sort-button:focus-visible {
  outline: none;
  color: var(--text);
}

.sort-indicator {
  display: inline-grid;
  place-items: center;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 999px;
  background: rgba(39, 102, 255, 0.1);
  color: var(--accent);
  font-size: 0.72rem;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
}

.attachments-list {
  min-height: 0;
  overflow: auto;
  position: relative;
  isolation: isolate;
  display: grid;
  align-content: start;
  gap: 0.85rem;
  padding-right: 0.3rem;
}

.attachments-empty {
  min-height: 100%;
  display: grid;
  place-items: center;
}

.attachments-empty[hidden] {
  display: none !important;
}

.attachments-empty-copy {
  width: min(100%, 42rem);
  padding: clamp(1.2rem, 2.8vw, 2rem);
  border-radius: 26px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--surface-strong), var(--surface));
  box-shadow: 0 18px 36px rgba(16, 30, 58, 0.08);
}

.attachments-empty-copy h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 0.95;
}

.attachments-empty-copy p:last-child {
  margin: 0.95rem 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.attachment-item {
  position: relative;
  overflow: visible;
  display: grid;
  grid-template-columns: minmax(4.5rem, 10%) minmax(0, 50%) minmax(16rem, 40%);
  gap: 1rem;
  align-items: stretch;
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, var(--surface-strong), rgba(255, 255, 255, 0.72));
  box-shadow: 0 12px 24px rgba(16, 30, 58, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

html[data-theme="dark"] .attachment-item {
  background: linear-gradient(180deg, rgba(18, 30, 52, 0.92), rgba(16, 24, 41, 0.9));
}

.attachment-item.is-selected {
  border-color: rgba(39, 102, 255, 0.42);
  box-shadow: 0 16px 32px rgba(39, 102, 255, 0.12);
}

.attachment-item:hover {
  transform: translateY(-1px);
}

.attachment-item:has(.type-picker[open]) {
  z-index: 60;
}

.attachment-select-button,
.attachment-meta-button {
  border: none;
  background: transparent;
  color: inherit;
  padding: 0;
}

.attachment-select-button {
  display: flex;
  align-items: center;
  justify-content: center;
}

.attachment-meta-button {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 0.28rem;
  text-align: left;
}

.attachment-select-button:focus-visible,
.attachment-meta-button:focus-visible {
  outline: 2px solid rgba(39, 102, 255, 0.42);
  outline-offset: 4px;
  border-radius: 16px;
}

.attachment-file-badge {
  position: relative;
  width: clamp(3.4rem, 4vw, 4.2rem);
  height: clamp(3.4rem, 4vw, 4.2rem);
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(96, 162, 255, 0.24), rgba(39, 102, 255, 0.16));
  color: var(--accent);
}

.attachment-file-badge::after {
  content: "";
  position: absolute;
  right: 0.4rem;
  bottom: 0.4rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.92);
  background: rgba(39, 102, 255, 0.16);
  transition: background-color 180ms ease, transform 180ms ease;
}

.attachment-item.is-selected .attachment-file-badge::after {
  background: var(--green);
  transform: scale(1.05);
}

.attachment-file-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.attachment-name {
  font-size: 1.02rem;
  font-weight: 750;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.attachment-hash {
  font-family: "Cascadia Code", "Consolas", monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--muted);
  word-break: break-all;
}

.attachment-type-cell {
  display: flex;
  align-items: center;
  min-width: 0;
  position: relative;
  z-index: 2;
}

.type-picker {
  position: relative;
  z-index: 1;
  width: 100%;
}

.type-picker[open] {
  z-index: 80;
}

.type-picker-summary {
  list-style: none;
  width: 100%;
  min-height: 4.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.type-picker-summary::-webkit-details-marker {
  display: none;
}

.type-picker[open] .type-picker-summary,
.type-picker-summary:hover,
.type-picker-summary:focus-visible {
  border-color: rgba(39, 102, 255, 0.38);
  background: var(--surface-strong);
  outline: none;
}

.type-picker-value {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.type-option-icon-wrap {
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--type-color, #2766ff) 18%, transparent);
  color: var(--type-color, #2766ff);
  flex: 0 0 auto;
}

.type-option-icon {
  width: 1rem;
  height: 1rem;
}

.type-picker-label {
  min-width: 0;
  font-size: 0.94rem;
  font-weight: 650;
  line-height: 1.25;
}

.type-picker-chevron {
  width: 0.72rem;
  height: 0.72rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  color: var(--muted);
  transition: transform 180ms ease;
  flex: 0 0 auto;
}

.type-picker[open] .type-picker-chevron {
  transform: rotate(225deg);
}

.type-picker-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  right: 0;
  z-index: 120;
  display: grid;
  gap: 0.35rem;
  padding: 0.45rem;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface-strong);
  box-shadow: var(--shadow-2);
}

.type-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  padding: 0.72rem 0.8rem;
  border: 1px solid transparent;
  border-radius: 16px;
  background: transparent;
  color: var(--text);
}

.type-option:hover,
.type-option:focus-visible {
  outline: none;
  border-color: rgba(39, 102, 255, 0.24);
  background: rgba(39, 102, 255, 0.08);
}

.type-option.is-active {
  border-color: rgba(39, 102, 255, 0.36);
  background: rgba(39, 102, 255, 0.12);
}

.type-option-text {
  font-size: 0.9rem;
  line-height: 1.3;
}

.mittente-panel {
  padding: clamp(0.9rem, 1.5vw, 1.1rem);
}

.mittente-panel.is-active {
  display: block;
}

.mittente-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.9rem;
}

.mittente-toolbar {
  flex-wrap: wrap;
}

.mittente-action {
  min-height: 2.8rem;
}

.mittente-form-shell {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: clamp(0.9rem, 1.4vw, 1rem);
  border: 1px solid var(--border);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent),
    linear-gradient(180deg, var(--surface-strong), var(--surface-muted));
  box-shadow: var(--shadow-2);
}

html[data-theme="dark"] .mittente-form-shell {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    linear-gradient(180deg, rgba(16, 26, 45, 0.98), rgba(18, 30, 52, 0.88));
}

.mittente-form-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.2rem 0.2rem 0;
}

.mittente-form-title h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  line-height: 0.95;
}

.mittente-form-intro {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.mittente-form-scroll {
  min-height: 0;
  overflow: auto;
  padding-right: 0.25rem;
}

.mittente-form {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 0.95rem;
  align-content: start;
}

.mittente-field {
  grid-column: span 12;
  display: grid;
  gap: 0.45rem;
  padding: 0.95rem;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(180deg, var(--surface-strong), rgba(255, 255, 255, 0.72));
  box-shadow: 0 12px 24px rgba(16, 30, 58, 0.06);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

html[data-theme="dark"] .mittente-field {
  background: linear-gradient(180deg, rgba(18, 30, 52, 0.92), rgba(16, 24, 41, 0.9));
}

.mittente-field:hover {
  transform: translateY(-1px);
}

.mittente-field-half {
  grid-column: span 6;
}

.mittente-field-full {
  grid-column: span 12;
}

.mittente-field-span-4 {
  grid-column: span 4;
}

.mittente-field-span-5 {
  grid-column: span 5;
}

.mittente-field-span-6 {
  grid-column: span 6;
}

.mittente-field-span-7 {
  grid-column: span 7;
}

.mittente-field-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.mittente-combobox {
  position: relative;
}

.mittente-control {
  width: 100%;
  min-height: 3rem;
  padding: 0.78rem 0.92rem;
  border: 1px solid rgba(39, 102, 255, 0.12);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.mittente-combobox-input {
  padding-right: 3.3rem;
}

.mittente-combobox-toggle {
  position: absolute;
  top: 0.4rem;
  right: 0.45rem;
  width: 2.2rem;
  height: calc(100% - 0.8rem);
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.mittente-combobox-toggle::before {
  content: "";
  display: block;
  width: 0.6rem;
  height: 0.6rem;
  margin: 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-0.1rem) rotate(45deg);
}

.mittente-combobox.is-open .mittente-combobox-toggle::before {
  transform: translateY(0.1rem) rotate(225deg);
}

.mittente-combobox-toggle:hover,
.mittente-combobox-toggle:focus-visible {
  outline: none;
  border-color: rgba(39, 102, 255, 0.28);
  background: rgba(39, 102, 255, 0.08);
  color: var(--accent);
}

.mittente-combobox-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  right: 0;
  z-index: 120;
  display: grid;
  gap: 0.3rem;
  max-height: min(16rem, 42vh);
  overflow: auto;
  padding: 0.42rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-strong) 94%, white 6%);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(18px);
}

.mittente-combobox-menu[hidden],
.mittente-combobox:not(.is-open) .mittente-combobox-menu {
  display: none !important;
}

.mittente-combobox-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 2.55rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--text);
  text-align: left;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.mittente-combobox-option:hover,
.mittente-combobox-option:focus-visible,
.mittente-combobox-option.is-active {
  outline: none;
  border-color: rgba(39, 102, 255, 0.28);
  background: rgba(39, 102, 255, 0.1);
}

.mittente-combobox-option-empty {
  color: var(--muted);
  font-style: italic;
}

.mittente-combobox-option-empty[data-empty-value="true"]::before {
  content: "(vuoto)";
}

.mittente-combobox-empty-state {
  cursor: default;
}

.mittente-control:hover,
.mittente-control:focus-visible {
  outline: none;
  border-color: rgba(39, 102, 255, 0.38);
  box-shadow: 0 0 0 4px rgba(39, 102, 255, 0.12);
  background: var(--surface-strong);
}

.mittente-field-feedback {
  min-height: 1.2rem;
  font-size: 0.76rem;
  line-height: 1.35;
  color: var(--muted);
}

.mittente-field.is-valid {
  border-color: rgba(53, 181, 106, 0.28);
  box-shadow: 0 14px 28px rgba(53, 181, 106, 0.08);
}

.mittente-field.is-valid .mittente-control {
  border-color: rgba(53, 181, 106, 0.4);
}

.mittente-field.is-valid .mittente-field-feedback {
  color: #1d8b4a;
}

html[data-theme="dark"] .mittente-field.is-valid .mittente-field-feedback {
  color: #7fdf9f;
}

.mittente-field.is-invalid {
  border-color: rgba(239, 90, 90, 0.32);
  box-shadow: 0 14px 28px rgba(239, 90, 90, 0.08);
}

.mittente-field.is-invalid .mittente-control {
  border-color: rgba(239, 90, 90, 0.48);
  background: color-mix(in srgb, rgba(239, 90, 90, 0.08) 100%, var(--surface));
}

.mittente-field.is-invalid .mittente-field-feedback {
  color: #c53b3b;
}

html[data-theme="dark"] .mittente-field.is-invalid .mittente-field-feedback {
  color: #ff8e8e;
}

.mittente-separator {
  grid-column: 1 / -1;
  height: 1px;
  margin: 0.15rem 0;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.destinatari-panel {
  padding: clamp(0.9rem, 1.5vw, 1.1rem);
}

.destinatari-panel.is-active {
  display: block;
}

.destinatari-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.9rem;
}

.destinatari-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.destinatari-action {
  min-height: 2.8rem;
}

.destinatari-toolbar-separator {
  width: 1px;
  align-self: stretch;
  min-height: 2.5rem;
  background: var(--border);
  border-radius: 999px;
}

.destinatari-toolbar-field {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-width: min(100%, 19rem);
  padding: 0.35rem 0.45rem 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}

.destinatari-toolbar-label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 650;
  white-space: nowrap;
}

.destinatari-combobox {
  position: relative;
  min-width: 0;
}

.destinatari-combobox-toolbar {
  flex: 1 1 auto;
  min-width: 10.5rem;
}

.destinatari-combobox-input {
  padding-right: 3.1rem;
}

.destinatari-combobox-toggle {
  position: absolute;
  top: 0.4rem;
  right: 0.45rem;
  width: 2.2rem;
  height: calc(100% - 0.8rem);
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--muted);
  transition: border-color 180ms ease, background-color 180ms ease, color 180ms ease;
}

.destinatari-combobox-toggle::before {
  content: "";
  display: block;
  width: 0.6rem;
  height: 0.6rem;
  margin: 0 auto;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-0.1rem) rotate(45deg);
}

.destinatari-combobox.is-open .destinatari-combobox-toggle::before {
  transform: translateY(0.1rem) rotate(225deg);
}

.destinatari-combobox-toggle:hover,
.destinatari-combobox-toggle:focus-visible {
  outline: none;
  border-color: rgba(39, 102, 255, 0.28);
  background: rgba(39, 102, 255, 0.08);
  color: var(--accent);
}

.destinatari-combobox-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  right: 0;
  z-index: 120;
  display: grid;
  gap: 0.3rem;
  max-height: min(16rem, 42vh);
  overflow: auto;
  padding: 0.42rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--surface-strong) 94%, white 6%);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(18px);
}

.destinatari-combobox-menu[hidden],
.destinatari-combobox:not(.is-open) .destinatari-combobox-menu {
  display: none !important;
}

.destinatari-combobox-option {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-height: 2.4rem;
  padding: 0.58rem 0.72rem;
  border: 1px solid transparent;
  border-radius: 14px;
  background: transparent;
  color: var(--text);
  text-align: left;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.destinatari-combobox-option:hover,
.destinatari-combobox-option:focus-visible,
.destinatari-combobox-option.is-active {
  outline: none;
  border-color: rgba(39, 102, 255, 0.28);
  background: rgba(39, 102, 255, 0.1);
}

.destinatari-combobox-option-empty {
  color: var(--muted);
  font-style: italic;
}

.destinatari-combobox-option-empty[data-empty-value="true"]::before {
  content: "(vuoto)";
}

.destinatari-combobox-empty-state {
  cursor: default;
}

.destinatari-list-shell {
  min-height: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.75rem;
  padding: clamp(0.85rem, 1.4vw, 1rem);
  border: 1px solid var(--border);
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.2), transparent),
    linear-gradient(180deg, var(--surface-strong), var(--surface-muted));
  box-shadow: var(--shadow-2);
  overflow: visible;
}

html[data-theme="dark"] .destinatari-list-shell {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent),
    linear-gradient(180deg, rgba(16, 26, 45, 0.98), rgba(18, 30, 52, 0.88));
}

.destinatari-list-head {
  display: grid;
  grid-template-columns: minmax(3.15rem, 7%) minmax(14rem, 1.45fr) minmax(12rem, 1.12fr) minmax(10rem, 0.92fr) minmax(9rem, 0.9fr);
  gap: 1rem;
  padding: 0 0.5rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.destinatari-head-registro {
  grid-column: 4 / 6;
}

.destinatari-list {
  min-height: 0;
  overflow: auto;
  display: grid;
  align-content: start;
  gap: 0.85rem;
  padding-right: 0.3rem;
}

.destinatari-empty {
  min-height: 100%;
  display: grid;
  place-items: center;
}

.destinatari-empty[hidden] {
  display: none !important;
}

.destinatario-row {
  position: relative;
  overflow: visible;
  display: grid;
  grid-template-columns: minmax(3.15rem, 7%) minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: linear-gradient(180deg, var(--surface-strong), rgba(255, 255, 255, 0.72));
  box-shadow: 0 12px 24px rgba(16, 30, 58, 0.08);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

html[data-theme="dark"] .destinatario-row {
  background: linear-gradient(180deg, rgba(18, 30, 52, 0.92), rgba(16, 24, 41, 0.9));
}

.destinatario-row:hover {
  transform: translateY(-1px);
}

.destinatario-row.is-selected {
  border-color: rgba(39, 102, 255, 0.42);
  box-shadow: 0 16px 32px rgba(39, 102, 255, 0.12);
}

.destinatario-row:has(.destinatari-combobox.is-open) {
  z-index: 70;
}

.destinatario-select-button {
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: inherit;
  padding: 0;
}

.destinatario-select-button:focus-visible {
  outline: 2px solid rgba(39, 102, 255, 0.42);
  outline-offset: 4px;
  border-radius: 16px;
}

.destinatario-badge {
  position: relative;
  width: clamp(2.75rem, 3.2vw, 3.3rem);
  height: clamp(2.75rem, 3.2vw, 3.3rem);
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(245, 198, 75, 0.24), rgba(245, 198, 75, 0.14));
  color: #7b5a00;
}

.destinatario-badge::after {
  content: "";
  position: absolute;
  right: 0.35rem;
  bottom: 0.35rem;
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.92);
  background: rgba(39, 102, 255, 0.16);
  transition: background-color 180ms ease, transform 180ms ease;
}

.destinatario-row.is-selected .destinatario-badge::after {
  background: var(--green);
  transform: scale(1.05);
}

.destinatario-icon {
  width: 1.45rem;
  height: 1.45rem;
}

.destinatario-main {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(14rem, 1.45fr) minmax(12rem, 1.12fr) minmax(10rem, 0.92fr) minmax(9rem, 0.9fr);
  gap: 1rem;
  align-items: start;
}

.destinatario-cell {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 0.42rem;
}

.destinatario-cell-destinatario {
  grid-column: 1;
}

.destinatario-cell-pec {
  grid-column: 2;
}

.destinatario-cell-registro {
  grid-column: 3 / 5;
}

.destinatario-cell-presso {
  grid-column: 1;
}

.destinatario-domicilio-group {
  grid-column: 2 / 5;
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
}

.destinatario-connector {
  min-height: 3rem;
  display: grid;
  place-items: center;
  padding-top: 1.45rem;
  color: var(--accent);
}

.destinatario-connector-icon {
  display: inline-grid;
  place-items: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 999px;
  background: rgba(39, 102, 255, 0.1);
  font-size: 1rem;
  line-height: 1;
}

.destinatario-domicilio-row {
  min-width: 0;
}

.destinatario-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.02em;
}

.destinatario-control {
  min-height: 3rem;
}

.destinatario-feedback {
  min-height: 1.1rem;
  font-size: 0.74rem;
  color: var(--muted);
}

.destinatario-cell.is-valid .destinatario-control {
  border-color: rgba(53, 181, 106, 0.4);
}

.destinatario-cell.is-valid .destinatario-feedback {
  color: #1d8b4a;
}

html[data-theme="dark"] .destinatario-cell.is-valid .destinatario-feedback {
  color: #7fdf9f;
}

.destinatario-cell.is-invalid .destinatario-control {
  border-color: rgba(239, 90, 90, 0.48);
  background: color-mix(in srgb, rgba(239, 90, 90, 0.08) 100%, var(--surface));
}

.destinatario-cell.is-invalid .destinatario-feedback {
  color: #c53b3b;
}

html[data-theme="dark"] .destinatario-cell.is-invalid .destinatario-feedback {
  color: #ff8e8e;
}

.generation-panel {
  padding: clamp(0.9rem, 1.4vw, 1.1rem);
}

.generation-panel.is-active {
  display: block;
}

.editor-shell {
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 0.9rem;
}

.generation-quickbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.52rem;
  padding: 0.72rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface-strong);
  box-shadow: 0 10px 20px rgba(20, 33, 55, 0.08);
}

.generation-quickbar-separator {
  width: 1px;
  align-self: stretch;
  min-height: 2.8rem;
  background: var(--border);
  border-radius: 999px;
}

.generation-quickbar-label {
  color: var(--muted);
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.generation-quickbar .tool-button-compact {
  min-height: 2.18rem;
  padding: 0.48rem 0.66rem;
  font-size: 0.76rem;
}

.generation-quickbar .toolbar-icon {
  width: 0.9rem;
  height: 0.9rem;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  padding: 0.8rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface-strong);
  box-shadow: 0 10px 20px rgba(20, 33, 55, 0.08);
}

.toolbar-group {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding-right: 0.7rem;
  margin-right: 0.1rem;
  border-right: 1px solid var(--border);
}

.toolbar-group:last-child {
  border-right: none;
  padding-right: 0;
}

.toolbar-group-fields {
  gap: 0.6rem;
}

.toolbar-group-slider {
  flex: 0 1 15rem;
  min-width: 12.5rem;
  max-width: 30%;
  margin-left: auto;
  justify-content: flex-end;
}

.tool-button,
.tool-select,
.tool-color {
  min-height: 2.5rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
}

.tool-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.62rem 0.78rem;
  font-weight: 650;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.tool-button-compact {
  min-height: 2.47rem;
  padding: 0.59rem 0.78rem;
  font-size: 0.81rem;
}

.tool-button-prominent {
  min-height: 3.43rem;
  padding: 0.67rem 0.84rem;
  border-radius: 20px;
  font-size: 1.11rem;
  font-weight: 700;
  line-height: 1;
}

.tool-button-prominent .toolbar-icon {
  width: 1.36rem;
  height: 1.36rem;
}

.tool-button-icon-only {
  justify-content: center;
  min-width: 2.85rem;
  padding-inline: 0.78rem;
  gap: 0;
}

.tool-button:hover,
.tool-button:focus-visible {
  outline: none;
  transform: translateY(-1px);
  border-color: rgba(39, 102, 255, 0.38);
  background: var(--surface-strong);
}

.tool-button.is-active {
  background: rgba(39, 102, 255, 0.12);
  border-color: rgba(39, 102, 255, 0.42);
  color: var(--accent);
}

.toolbar-icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
}

.tool-field {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.35rem 0.45rem 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}

.tool-field-small {
  min-width: 6.5rem;
}

.tool-field-color {
  min-width: 7.4rem;
}

.tool-field-label,
.tool-group-caption {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 650;
}

.tool-select {
  min-width: 8.3rem;
  padding: 0 0.75rem;
}

.tool-field-small .tool-select {
  min-width: 4rem;
}

.tool-color {
  width: 2.8rem;
  padding: 0.2rem;
}

.tool-slider-block {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
}

#zoom-slider {
  width: 100%;
  accent-color: var(--accent);
}

.zoom-value {
  min-width: 3.75rem;
  text-align: right;
  color: var(--muted);
  font-weight: 650;
}

@media print {
  body {
    background: #fff;
  }

  .app-shell,
  .workspace,
  .generation-panel,
  .editor-shell,
  .editor-stage,
  .editor-canvas {
    display: block;
    height: auto;
    min-height: 0;
    overflow: visible;
    background: #fff;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
  }

  .top-strip,
  .editor-toolbar,
  .paper-meta,
  .snackbar,
  #rtf-open-input,
  #tab-allegati,
  #tab-mittente,
  #tab-destinatari {
    display: none !important;
  }

  #tab-generazione {
    display: block !important;
  }

  .rich-editor {
    width: 100%;
    min-height: 0;
    transform: none !important;
    background: #fff;
    color: #000;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
  }
}

.editor-stage {
  min-height: 0;
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.75rem;
}

.paper-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.paper-chip {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0 0.85rem;
  border-radius: 999px;
  background: rgba(39, 102, 255, 0.12);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.paper-name {
  color: var(--muted);
  font-weight: 650;
}

.editor-canvas {
  min-height: 0;
  height: 100%;
  overflow: auto;
  border-radius: 28px;
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent),
    linear-gradient(180deg, rgba(232, 238, 248, 0.7), rgba(232, 238, 248, 0.35));
  padding: clamp(1rem, 2vw, 1.6rem);
}

html[data-theme="dark"] .editor-canvas {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent),
    linear-gradient(180deg, rgba(14, 22, 38, 0.92), rgba(12, 18, 30, 0.82));
}

.rich-editor {
  width: min(100%, 1000px);
  min-height: max(100%, 28rem);
  margin: 0 auto;
  padding: clamp(1.4rem, 2.4vw, 2.2rem);
  border-radius: 22px;
  border: 1px solid var(--editor-paper-border);
  background: var(--editor-surface);
  color: var(--editor-text);
  box-shadow: var(--editor-paper-shadow);
  font-size: 16px;
  line-height: 1.5;
  outline: none;
  transform-origin: top center;
}

.rich-editor > *:first-child {
  margin-top: 0;
}

.rich-editor > *:last-child {
  margin-bottom: 0;
}

.rich-editor ul {
  padding-left: 1.4rem;
}

.snackbar {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translate(-50%, 1rem);
  opacity: 0;
  pointer-events: none;
  min-width: min(92vw, 18rem);
  padding: 0.9rem 1.1rem;
  border-radius: 18px;
  background: rgba(14, 22, 38, 0.92);
  color: #f7faff;
  text-align: center;
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.24);
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 50;
}

.snackbar.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-rows: minmax(128px, 18svh) 1fr;
  }

  .top-strip-inner {
    gap: 0.7rem;
  }

  .app-brand {
    padding-inline: 0.8rem;
  }

  .top-strip-action {
    width: 3rem;
    height: 3rem;
  }

  .step-button {
    flex-direction: column;
    justify-content: center;
    text-align: center;
    gap: 0.55rem;
    padding: 0.7rem 0.4rem;
  }

  .step-label {
    font-size: 0.84rem;
  }

  .mittente-form-head {
    flex-direction: column;
  }

  .attachments-toolbar-separator {
    display: none;
  }

  .attachments-toolbar-field {
    width: 100%;
  }

  .destinatari-toolbar-separator {
    display: none;
  }

  .destinatari-toolbar-field {
    width: 100%;
  }

  .generation-quickbar-label {
    width: 100%;
  }

  .generation-quickbar-separator {
    display: none;
  }

  .toolbar-group-slider {
    flex-basis: 100%;
    max-width: 100%;
    justify-content: flex-start;
    margin-left: 0;
  }
}

@media (max-width: 720px) {
  .app-shell {
    padding: 0.7rem;
    gap: 0.7rem;
    grid-template-rows: minmax(150px, 20svh) 1fr;
  }

  .top-strip,
  .workspace,
  .placeholder-copy,
  .editor-toolbar,
  .editor-canvas,
  .rich-editor {
    border-radius: 22px;
  }

  .step-nav {
    gap: 0.45rem;
  }

  .top-strip-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .app-brand {
    grid-column: 1 / 2;
    min-height: 3rem;
    padding: 0.65rem 0.8rem;
  }

  .step-nav {
    grid-column: 1 / 2;
  }

  .top-strip-actions {
    grid-column: 2 / 3;
    grid-row: 1 / span 2;
    flex-direction: column;
    align-items: stretch;
  }

  .top-strip-action {
    width: 3rem;
    height: 3rem;
    border-radius: 20px;
  }

  .step-badge {
    width: 2.7rem;
    height: 2.7rem;
  }

  .step-number {
    width: 1.35rem;
    height: 1.35rem;
    font-size: 0.73rem;
  }

  .help-dialog {
    width: min(94vw, 36rem);
  }

  .help-dialog-header,
  .help-dialog-body {
    padding-inline: 0.85rem;
  }

  .step-icon {
    width: 1.2rem;
    height: 1.2rem;
  }

  .step-label {
    font-size: 0.76rem;
  }

  .step-sequence {
    font-size: 0.84rem;
  }

  .editor-toolbar {
    gap: 0.55rem;
  }

  .toolbar-group {
    width: 100%;
    padding-right: 0;
    margin-right: 0;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.55rem;
  }

  .toolbar-group:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .toolbar-group-fields {
    flex-direction: column;
    align-items: stretch;
  }

  .tool-field,
  .tool-slider-block {
    width: 100%;
  }

  .tool-select {
    width: 100%;
  }

  .attachments-list-shell {
    padding: 0.75rem;
  }

  .mittente-form-shell {
    padding: 0.75rem;
  }

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

  .mittente-field-half,
  .mittente-field-full,
  .mittente-field-span-4,
  .mittente-field-span-5,
  .mittente-field-span-6,
  .mittente-field-span-7 {
    grid-column: span 1;
  }

  .destinatari-list-shell {
    padding: 0.75rem;
  }

  .destinatari-list-head {
    display: none;
  }

  .destinatario-row {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 0.85rem;
  }

  .destinatario-main {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.85rem;
  }

  .destinatario-cell,
  .destinatario-cell-destinatario,
  .destinatario-cell-pec,
  .destinatario-cell-registro,
  .destinatario-cell-presso,
  .destinatario-domicilio-group {
    grid-column: 1 / -1;
  }

  .destinatario-domicilio-group {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.55rem;
  }

  .destinatario-connector {
    min-height: auto;
    padding-top: 0;
    grid-column: 1 / -1;
  }

  .attachments-list-head {
    display: none;
  }

  .attachment-item {
    grid-template-columns: 4rem minmax(0, 1fr);
    gap: 0.85rem;
  }

  .attachment-type-cell {
    grid-column: 1 / -1;
  }

  .type-picker-summary {
    min-height: 3.65rem;
  }

  .generation-quickbar {
    padding: 0.75rem;
  }

  .tool-button-prominent {
    min-height: 4rem;
    font-size: 1.2rem;
  }

  .tool-button-prominent .toolbar-icon {
    width: 1.45rem;
    height: 1.45rem;
  }
}

@media (max-width: 520px) {
  .step-label {
    line-height: 1.05;
  }

  .app-brand-name {
    font-size: 0.92rem;
  }

  .placeholder-copy h1 {
    font-size: 1.65rem;
  }

  .tool-button {
    flex: 1 1 auto;
    justify-content: center;
  }

  .mittente-action {
    flex: 1 1 calc(50% - 0.4rem);
    justify-content: center;
  }

  .destinatari-action {
    flex: 1 1 calc(50% - 0.4rem);
    justify-content: center;
  }

  .attachments-action {
    flex: 1 1 calc(50% - 0.4rem);
    justify-content: center;
  }

  .attachment-name {
    white-space: normal;
  }

  .type-picker-label,
  .type-option-text {
    font-size: 0.86rem;
  }

  .paper-meta {
    align-items: flex-start;
    flex-direction: column;
  }
}