:root {
  --ink: #14201c;
  --ink-soft: #3d4f48;
  --muted: #6a7d74;
  --fog: #e6f2ec;
  --panel: #fffefb;
  --panel-edge: rgba(20, 40, 34, 0.1);
  --accent: #0f7a5f;
  --accent-hover: #0b614c;
  --accent-soft: rgba(15, 122, 95, 0.12);
  --coral: #e25a3c;
  --coral-hover: #c94a2f;
  --coral-soft: rgba(226, 90, 60, 0.14);
  --sky: #3d7ea6;
  --sky-soft: rgba(61, 126, 166, 0.12);
  --gold: #d4a017;
  --gold-soft: rgba(212, 160, 23, 0.16);
  --warn: #b33a2b;
  --radius: 14px;
  --font-display: "Fraunces", "Times New Roman", serif;
  --font-body: "Sora", system-ui, sans-serif;
  --font-write: "Literata", "Iowan Old Style", Georgia, serif;
  --shadow-soft: 0 1px 0 rgba(255, 255, 255, 0.7) inset,
    0 18px 42px rgba(20, 40, 34, 0.07);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background-color: #d8e8e0;
  background-image:
    radial-gradient(ellipse 95% 65% at -5% -15%, rgba(255, 186, 140, 0.45) 0%, transparent 55%),
    radial-gradient(ellipse 90% 60% at 105% 0%, rgba(120, 190, 210, 0.38) 0%, transparent 52%),
    radial-gradient(ellipse 70% 50% at 50% 105%, rgba(80, 170, 130, 0.28) 0%, transparent 55%),
    radial-gradient(ellipse 45% 35% at 70% 40%, rgba(255, 220, 120, 0.18) 0%, transparent 60%),
    linear-gradient(165deg, #f3faf6 0%, #e4f0ea 45%, #d5e6dc 100%);
  background-attachment: fixed;
}

/* Paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.38;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
  z-index: 0;
}

/* Soft writing-desk wash + faint ruled lines */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(ellipse 55% 40% at 88% 78%, rgba(15, 122, 95, 0.14) 0%, transparent 70%),
    radial-gradient(ellipse 42% 36% at 10% 55%, rgba(226, 90, 60, 0.1) 0%, transparent 65%),
    linear-gradient(
      to bottom,
      transparent 0,
      transparent 11px,
      rgba(18, 28, 26, 0.03) 11px,
      rgba(18, 28, 26, 0.03) 12px
    );
  background-size:
    auto,
    auto,
    100% 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.22) 40%, rgba(0, 0, 0, 0.4));
}

button,
textarea {
  font: inherit;
}

.app {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2rem 0 3.5rem;
}

.shell {
  animation: enter 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Large brand watermark in the atmosphere */
.shell::before {
  content: "ZuZu";
  position: fixed;
  right: -4vw;
  top: 8vh;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(7rem, 22vw, 16rem);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 0.85;
  color: rgba(15, 122, 95, 0.09);
  pointer-events: none;
  user-select: none;
  transform: rotate(-8deg);
  animation: watermark-in 1.2s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes watermark-in {
  from {
    opacity: 0;
    transform: rotate(-8deg) translateY(24px);
  }
  to {
    opacity: 1;
    transform: rotate(-8deg) translateY(0);
  }
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes breathe {
  0%,
  100% {
    opacity: 0.55;
  }
  50% {
    opacity: 1;
  }
}

.topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 0.85rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1rem;
  margin-top: 0.85rem;
  align-items: center;
}

.site-nav a,
.site-nav .nav-product {
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-decoration: none;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
}

.site-nav a:hover,
.site-nav .nav-product:hover {
  color: var(--accent);
}

.product-switcher {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
  padding: 0.3rem;
  border-radius: 14px;
  border: 1px solid var(--panel-edge);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 6px 18px rgba(15, 36, 28, 0.04);
}

.product-switcher button {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.55rem 0.95rem;
  border-radius: 10px;
  cursor: pointer;
}

.product-switcher button.active {
  background: linear-gradient(165deg, #0f7a5f, #0b614c);
  color: #fff8f0;
  box-shadow: 0 6px 16px rgba(15, 122, 95, 0.22);
}

.product-switcher button.active .product-pill {
  background: rgba(255, 248, 240, 0.2);
  color: #fff8f0;
}

.product-pill {
  display: inline-flex;
  align-items: center;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.15rem 0.4rem;
  border-radius: 999px;
  background: rgba(226, 90, 60, 0.12);
  color: var(--coral);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.25rem 1.2rem;
  border-radius: 18px;
  border: 1px solid var(--panel-edge);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.96), rgba(232, 245, 239, 0.75));
}

.product-card-grammar {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.96), rgba(255, 236, 228, 0.8));
  border-color: rgba(226, 90, 60, 0.22);
}

.product-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.product-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.product-tagline {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.product-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.5;
}

.product-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.86rem;
  line-height: 1.55;
  flex: 1;
}

.product-card .btn {
  align-self: flex-start;
  margin-top: 0.35rem;
}

.grammar-lead {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 36rem;
  line-height: 1.45;
}

.engine-badge {
  display: inline-flex;
  align-self: flex-start;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--panel-edge);
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink-soft);
}

.engine-badge.engine-languagetool {
  border-color: rgba(15, 122, 95, 0.35);
  background: rgba(15, 122, 95, 0.1);
  color: var(--accent);
}

.engine-badge.engine-rules {
  border-color: rgba(226, 90, 60, 0.35);
  background: rgba(226, 90, 60, 0.1);
  color: var(--coral);
}

.grammar-lang {
  flex-wrap: wrap;
}

.grammar-lang button {
  font-variant-numeric: tabular-nums;
  font-size: 0.78rem;
  padding-inline: 0.55rem;
}

.grammar-issues-pane {
  min-height: 18rem;
}

.issue-count {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 600;
}

.issue-list {
  list-style: none;
  margin: 0;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  overflow: auto;
  max-height: 22rem;
}

.issue-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--panel-edge);
  background: rgba(255, 255, 255, 0.8);
}

.issue-cat {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.issue-item.cat-spelling .issue-cat {
  color: var(--coral);
}

.issue-item.cat-punctuation .issue-cat {
  color: #2a6f97;
}

.issue-main p {
  margin: 0 0 0.35rem;
  font-size: 0.88rem;
  color: var(--ink);
}

.issue-snippet {
  display: block;
  font-size: 0.78rem;
  color: var(--ink-soft);
  background: rgba(15, 36, 28, 0.04);
  padding: 0.25rem 0.4rem;
  border-radius: 6px;
  white-space: pre-wrap;
}

.grammar-empty {
  margin: 0;
  padding: 1.25rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

@media (max-width: 820px) {
  .product-grid {
    grid-template-columns: 1fr;
  }
}

.brand {
  max-width: 40rem;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  display: block;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 8px 22px rgba(15, 122, 95, 0.22);
}

.brand-logo-hero {
  border-radius: 16px;
}

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

.brand-mark {
  margin: 0 0 0.2rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--coral);
}

.brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 4.8vw, 3.35rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.95;
  color: var(--ink);
}

.brand-tag {
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  font-size: 1.02rem;
  line-height: 1.45;
  max-width: 28rem;
}

.top-meta {
  flex-shrink: 0;
  padding-bottom: 0.15rem;
}

.account-panel {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.7rem 0.8rem 0.7rem 1rem;
  border: 1px solid rgba(15, 122, 95, 0.18);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(230, 245, 238, 0.9));
  box-shadow: 0 10px 28px rgba(20, 40, 34, 0.06);
  backdrop-filter: blur(10px);
}

.account-panel-quiet {
  flex-direction: column;
  align-items: flex-end;
  gap: 0.2rem;
  padding: 0.65rem 0.9rem;
}

.account-panel-main {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.12rem;
  min-width: 0;
}

.account-plan {
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.68rem;
}

.account-quota {
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 500;
}

.account-email {
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.75rem;
  color: var(--muted);
}

.kbd-hint {
  font-size: 0.75rem;
  color: var(--muted);
}

.stage {
  border: 1px solid rgba(15, 122, 95, 0.14);
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(255, 254, 251, 0.92), rgba(245, 250, 247, 0.88));
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  overflow: hidden;
  animation: enter 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.08s both;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem 1.25rem;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(15, 122, 95, 0.1);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(232, 246, 240, 0.75));
}

.toolbar-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 1rem 1.35rem;
  min-width: 0;
}

.tool-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tool-group > span:first-child {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.segment {
  display: inline-flex;
  padding: 3px;
  border: 1px solid rgba(15, 122, 95, 0.16);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(210, 235, 225, 0.7), rgba(232, 239, 236, 0.55));
}

.segment button {
  border: 0;
  background: transparent;
  color: var(--ink-soft);
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    background 0.2s ease,
    color 0.2s ease,
    transform 0.15s ease;
}

.segment button:hover {
  color: var(--ink);
}

.segment button.active {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 1px 3px rgba(15, 122, 95, 0.14);
  font-weight: 600;
}

.check {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  cursor: pointer;
  user-select: none;
  padding-bottom: 0.35rem;
}

.check input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.check-locked {
  opacity: 0.78;
}

.check-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-radius: 0.35rem;
  padding: 0.08rem 0.35rem;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
}

.btn {
  border: 0;
  border-radius: 11px;
  padding: 0.72rem 1.2rem;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background 0.2s ease,
    opacity 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: linear-gradient(160deg, #149572 0%, var(--accent) 55%, #0c6a52 100%);
  color: #f5faf8;
  box-shadow: 0 8px 18px rgba(15, 122, 95, 0.28);
}

.btn-rewrite {
  min-width: 8.5rem;
  padding: 0.82rem 1.45rem;
  font-size: 0.98rem;
  background: linear-gradient(160deg, #ef6d4f 0%, var(--coral) 50%, #c94a2f 100%);
  box-shadow: 0 8px 20px rgba(226, 90, 60, 0.28);
}

.btn-rewrite:not(:disabled):hover {
  background: linear-gradient(160deg, #f07a5e 0%, var(--coral-hover) 60%);
  transform: translateY(-1px);
}

.btn-primary:not(:disabled):hover {
  background: linear-gradient(160deg, #16a07c 0%, var(--accent-hover) 60%);
  transform: translateY(-1px);
}

.btn-primary:not(:disabled):active,
.btn-rewrite:not(:disabled):active {
  transform: translateY(0);
}

.btn-quiet {
  background: rgba(255, 255, 255, 0.75);
  color: var(--ink-soft);
  border: 1px solid var(--panel-edge);
}

.btn-quiet:not(:disabled):hover {
  background: #fff;
  color: var(--ink);
  border-color: rgba(26, 92, 74, 0.28);
}

.btn-compact {
  padding: 0.52rem 1rem;
  font-size: 0.84rem;
  min-height: 2.4rem;
}

.btn-tiny {
  padding: 0.32rem 0.7rem;
  font-size: 0.76rem;
  border-radius: 8px;
  font-weight: 600;
}

.auth-inline {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.auth-inline .btn-quiet {
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  box-shadow: 0 1px 2px rgba(18, 28, 26, 0.04);
}

.editors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: min(62vh, 560px);
}

.pane {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: transparent;
}

.pane + .pane {
  border-left: 1px solid var(--panel-edge);
}

.pane-out {
  background: linear-gradient(180deg, rgba(232, 246, 240, 0.45), rgba(255, 248, 240, 0.35));
}

.pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1.15rem 0.35rem;
}

.pane-head h2 {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.pane-actions {
  display: flex;
  gap: 0.4rem;
}

.ghost-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  cursor: pointer;
}

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

.ghost-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pane textarea {
  flex: 1;
  width: 100%;
  min-height: 420px;
  border: 0;
  resize: none;
  padding: 0.55rem 1.2rem 1.35rem;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-write);
  font-size: 1.05rem;
  line-height: 1.7;
  outline: none;
}

.pane textarea::placeholder {
  color: #95a59f;
  font-family: var(--font-body);
  font-size: 0.95rem;
}

.pane.writing textarea {
  animation: fade-up 0.45s ease both;
}

.statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem 1.2rem;
  border-top: 1px solid var(--panel-edge);
  background: rgba(244, 248, 246, 0.6);
  color: var(--muted);
  font-size: 0.84rem;
}

.statusbar .error {
  color: var(--warn);
  font-weight: 500;
}

.statusbar .loading {
  animation: breathe 1.2s ease infinite;
}

.counts {
  display: flex;
  gap: 1rem;
  font-variant-numeric: tabular-nums;
}

.hint {
  margin-top: 1.1rem;
  color: var(--muted);
  font-size: 0.84rem;
}

.auth-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: min(420px, 100%);
  padding: 2rem 1.6rem 1.75rem;
  border: 1px solid var(--panel-edge);
  border-radius: 22px;
  background: rgba(251, 252, 251, 0.88);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  animation: enter 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.auth-card h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: -0.03em;
  line-height: 1;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 1.5rem 0.35rem 0;
}

.auth-brand .brand-logo {
  border-radius: 11px;
  box-shadow: 0 6px 16px rgba(15, 122, 95, 0.2);
}

.auth-brand-name {
  margin: 0 0 0.15rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.auth-brand h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.auth-lead {
  margin: 0.75rem 0 1.35rem;
  color: var(--ink-soft);
  line-height: 1.45;
  font-size: 0.98rem;
}

.auth-tabs {
  width: 100%;
  margin-bottom: 1.1rem;
}

.auth-tabs button {
  flex: 1;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.auth-form input {
  border: 1px solid var(--panel-edge);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  background: #fff;
}

.auth-form input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.auth-submit,
.auth-google {
  width: 100%;
}

.auth-google {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: #fff;
  border-color: rgba(15, 36, 28, 0.16);
  color: #3c4043;
  font-weight: 600;
}

.auth-google:hover:not(:disabled) {
  background: #f8f9fa;
  border-color: rgba(15, 36, 28, 0.28);
}

.auth-google:disabled {
  opacity: 0.65;
}

.google-g {
  flex-shrink: 0;
  display: block;
}

.auth-divider {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  height: 1px;
  background: var(--panel-edge);
}

.auth-error {
  margin: 0.85rem 0 0;
  color: var(--warn);
  font-size: 0.88rem;
}

.auth-ok {
  margin: 0.85rem 0 0;
  color: var(--accent);
  font-size: 0.88rem;
}

.teaser-banner {
  margin: 0 0 1.15rem;
  padding: 0.95rem 1.15rem;
  border-radius: 16px;
  border: 1px solid rgba(226, 90, 60, 0.22);
  background: linear-gradient(
    120deg,
    rgba(255, 230, 214, 0.85) 0%,
    rgba(220, 245, 235, 0.9) 48%,
    rgba(210, 232, 245, 0.75) 100%
  );
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.4;
}

.teaser-banner strong {
  color: var(--coral);
}

.teaser-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
}

.teaser-copy {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
  flex: 1;
}

.teaser-copy p {
  margin: 0;
}

.teaser-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--coral);
}

.idle-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1rem;
}

.counts .over-limit {
  color: var(--warn);
  font-weight: 600;
}

.tool-hint {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: none;
  font-weight: 500;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(1rem, env(safe-area-inset-top)) 1rem max(1rem, env(safe-area-inset-bottom));
  overflow-y: auto;
  background: rgba(18, 28, 26, 0.5);
  backdrop-filter: blur(5px);
  animation: enter 0.25s ease both;
}

.modal-card {
  position: relative;
  margin: auto;
  max-height: min(90vh, 640px);
  overflow: auto;
  flex-shrink: 0;
}

.modal-card h2 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.85rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.upgrade-card {
  margin-top: 1.25rem;
  padding: 1.25rem 1.35rem;
  border: 1px solid rgba(15, 122, 95, 0.18);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255, 254, 251, 0.95), rgba(232, 246, 240, 0.88));
  box-shadow: var(--shadow-soft);
  animation: fade-up 0.45s ease both;
}

.upgrade-copy h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.upgrade-copy p {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.45;
  max-width: 40rem;
}

.upgrade-plans {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
}

.plan-pill {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 9.5rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--panel-edge);
  background: rgba(232, 239, 236, 0.55);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.plan-pill strong {
  color: var(--ink);
  font-size: 0.9rem;
}

.plan-pill-pro {
  border-color: rgba(226, 90, 60, 0.35);
  background: var(--coral-soft);
}

.plan-price {
  font-weight: 700;
  color: var(--coral);
  margin-top: 0.15rem;
}

.upgrade-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.upgrade-note {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
}

.word-meter {
  height: 3px;
  background: rgba(18, 28, 26, 0.06);
}

.word-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #2aa88a);
  transition: width 0.25s ease, background 0.2s ease;
}

.word-meter-fill.hot {
  background: linear-gradient(90deg, var(--gold), #e8b84a);
}

.word-meter-fill.over {
  background: linear-gradient(90deg, var(--coral), var(--warn));
}

.landing {
  margin-top: 2.75rem;
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
  padding-bottom: 2rem;
}

.land-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.03em;
}

.land-lead {
  margin: 0.45rem 0 0;
  color: var(--ink-soft);
  max-width: 34rem;
  line-height: 1.45;
}

.steps {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.steps li {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  padding: 1rem 1.1rem;
  border-radius: 14px;
  border: 1px solid rgba(15, 122, 95, 0.12);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(232, 246, 240, 0.75));
}

.steps li:nth-child(2) {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 236, 224, 0.7));
  border-color: rgba(226, 90, 60, 0.14);
}

.steps li:nth-child(3) {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(220, 236, 245, 0.75));
  border-color: rgba(61, 126, 166, 0.16);
}

.step-num {
  flex: 0 0 auto;
  width: 1.85rem;
  height: 1.85rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--accent);
  color: #f5faf8;
  font-size: 0.85rem;
  font-weight: 700;
}

.steps li:nth-child(2) .step-num {
  background: var(--coral);
}

.steps li:nth-child(3) .step-num {
  background: var(--sky);
}

.steps strong {
  display: block;
  margin-bottom: 0.2rem;
}

.steps p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.4;
}

.audience-grid {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.audience-grid article {
  padding: 1.1rem 1.15rem;
  border-radius: 14px;
  border: 1px solid rgba(15, 122, 95, 0.12);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(232, 246, 240, 0.7));
}

.audience-grid article:nth-child(2) {
  border-color: rgba(226, 90, 60, 0.16);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(255, 236, 224, 0.72));
}

.audience-grid article:nth-child(3) {
  border-color: rgba(61, 126, 166, 0.18);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(220, 236, 245, 0.75));
}

.audience-grid article:nth-child(4) {
  border-color: rgba(212, 160, 23, 0.22);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(255, 244, 214, 0.75));
}

.audience-grid h3 {
  margin: 0;
  font-size: 1.02rem;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.audience-grid article:nth-child(1) h3 {
  color: var(--accent);
}

.audience-grid article:nth-child(2) h3 {
  color: var(--coral);
}

.audience-grid article:nth-child(3) h3 {
  color: var(--sky);
}

.audience-grid article:nth-child(4) h3 {
  color: #a67c00;
}

.audience-grid p {
  margin: 0.4rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.45;
}

.pricing-grid {
  margin-top: 1.25rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
}

.price-card {
  padding: 1.2rem 1.15rem;
  border-radius: 16px;
  border: 1px solid rgba(15, 122, 95, 0.14);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.95), rgba(232, 246, 240, 0.8));
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.price-card:nth-child(1) {
  border-color: rgba(61, 126, 166, 0.2);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.95), rgba(220, 236, 245, 0.8));
}

.price-card-pro {
  border-color: rgba(226, 90, 60, 0.32);
  background: linear-gradient(165deg, rgba(255, 248, 244, 0.98), rgba(255, 230, 214, 0.85));
  box-shadow: 0 10px 28px rgba(226, 90, 60, 0.1);
}

.price-card-plus {
  border-color: rgba(15, 122, 95, 0.28);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.96), rgba(220, 245, 235, 0.9));
  box-shadow: 0 10px 28px rgba(15, 122, 95, 0.1);
}

.price-card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.price-card-pro h3 {
  color: var(--coral);
}

.price-card-plus h3 {
  color: var(--accent);
}

.price-amount {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.price-card-pro .price-amount {
  color: var(--coral);
}

.price-card-plus .price-amount {
  color: var(--accent);
}

.price-amount span {
  font-size: 0.95rem;
  color: var(--muted);
  font-family: var(--font-body);
}

.price-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: 0.88rem;
  line-height: 1.55;
  flex: 1;
}

.price-soon {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.plans-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.site-footer {
  margin-top: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--panel-edge);
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

.footer-brand {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  color: var(--ink-soft);
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.footer-brand .brand-logo {
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(15, 122, 95, 0.18);
}

@media (max-width: 920px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .top-meta {
    width: 100%;
  }

  .account-panel {
    width: 100%;
    justify-content: space-between;
  }

  .account-panel-quiet {
    align-items: flex-start;
  }

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

  .toolbar-controls {
    width: 100%;
  }

  .toolbar-actions {
    width: 100%;
    margin-left: 0;
  }

  .toolbar-actions .btn {
    flex: 1;
  }

  .btn-rewrite {
    flex: 1.4;
  }

  .editors {
    grid-template-columns: 1fr;
  }

  .pane + .pane {
    border-left: 0;
    border-top: 1px solid var(--panel-edge);
  }

  .pane textarea {
    min-height: 280px;
  }

  .audience-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .teaser-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .teaser-cta .btn {
    width: 100%;
  }
}