:root {
  --bg: #f4f1ea;
  --bg-soft: #efe8dc;
  --ink: #1f2a2b;
  --ink-muted: #516061;
  --surface: #fffdf8;
  --line: #d9d2c5;
  --accent: #1f6f66;
  --accent-strong: #175750;
  --glow: #d8eadf;
  --danger: #ac2f2f;
  --radius-xl: 22px;
  --radius-lg: 14px;
  --shadow: 0 18px 45px rgba(31, 42, 43, 0.1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, #fef6dd 0%, transparent 35%),
    radial-gradient(circle at 90% 15%, #dbead8 0%, transparent 35%),
    linear-gradient(165deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--ink);
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  z-index: 0;
  width: 360px;
  height: 360px;
  border-radius: 999px;
  filter: blur(70px);
  opacity: 0.5;
  pointer-events: none;
}

.ambient-top {
  background: #f4dbaa;
  top: -120px;
  right: -80px;
  animation: driftA 7.5s ease-in-out infinite;
}

.ambient-bottom {
  background: #b7d8ce;
  bottom: -140px;
  left: -120px;
  animation: driftB 8.5s ease-in-out infinite;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1220px, 94vw);
  margin: 36px auto;
  animation: liftIn 0.7s ease-out;
}

.hero {
  margin-bottom: 20px;
}

.hero-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.hero-actions,
.profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-auth-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.ghost-link,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 700;
}

.ghost-link {
  border: 1px solid #b8c5c1;
  background: #f9fcfa;
  color: #2e4b47;
}

.primary-link {
  background: linear-gradient(160deg, var(--accent), var(--accent-strong));
  color: #f5fffb;
}

.profile-menu {
  position: relative;
}

.profile-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #b8c5c1;
  background: #f9fcfa;
  color: #2e4b47;
  border-radius: 999px;
  padding: 10px 14px;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(31, 42, 43, 0.06);
}

.profile-trigger-label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6a7b7b;
}

.profile-trigger-name {
  font-weight: 800;
}

.profile-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  width: min(260px, 88vw);
  background: #fffefb;
  border: 1px solid #d8d2c5;
  border-radius: 18px;
  box-shadow: 0 22px 48px rgba(31, 42, 43, 0.14);
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
  z-index: 10;
}

.profile-menu:hover .profile-dropdown,
.profile-menu:focus-within .profile-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.profile-dropdown-head {
  display: grid;
  gap: 6px;
}

.profile-menu-link {
  display: flex;
  align-items: center;
  width: 100%;
  border: 0;
  background: transparent;
  text-decoration: none;
  color: #203132;
  border-radius: 12px;
  padding: 12px 12px;
  font-weight: 700;
  cursor: pointer;
}

.profile-menu-link:hover {
  background: #f4f7f5;
}

.profile-menu-link.danger {
  color: #8d2c2c;
}

.profile-menu-link.danger:hover {
  background: #fff6f6;
}

.tool-switch {
  display: inline-flex;
  gap: 8px;
  padding: 6px;
  background: #fff6e9;
  border: 1px solid #d8ccb5;
  border-radius: 999px;
  margin-bottom: 16px;
}

.tool-tab {
  border: 0;
  background: transparent;
  color: #6c675a;
  padding: 8px 14px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
}

.tool-tab.is-active {
  background: #1f6f66;
  color: #effff7;
}

.badge {
  display: inline-block;
  margin: 0 0 10px;
  padding: 8px 14px;
  border: 1px solid #c9ba9a;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #7b6542;
  background: #fff7e6;
}

.hero h1 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
}

.subtext {
  margin: 12px 0 0;
  max-width: 700px;
  color: var(--ink-muted);
  font-size: 1.04rem;
}

.studio {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr);
  gap: 18px;
}

.studio-right {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.panel {
  background: color-mix(in srgb, var(--surface) 88%, white 12%);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 20px;
  backdrop-filter: blur(3px);
}

.panel-head h2 {
  margin: 0;
  font-family: "Fraunces", serif;
  font-weight: 650;
  font-size: 1.45rem;
}

.panel-head p {
  margin: 8px 0 16px;
  color: var(--ink-muted);
}

label {
  display: block;
  font-size: 0.86rem;
  margin-bottom: 6px;
  color: #435355;
}

textarea,
input,
select,
button {
  font: inherit;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid #d2cabb;
  border-radius: var(--radius-lg);
  background: #fffefb;
  color: var(--ink);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

textarea:focus,
input:focus,
select:focus {
  outline: none;
  border-color: #8eb8af;
  box-shadow: 0 0 0 4px var(--glow);
}

#inputText,
#outputText {
  min-height: 260px;
  padding: 14px;
  resize: vertical;
  line-height: 1.5;
}

#outputText {
  background: #f9fdf9;
}

input,
select {
  height: 44px;
  padding: 0 12px;
}

.controls-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.full-width {
  grid-column: 1 / -1;
}

.is-hidden {
  display: none;
}

.action-row {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.check-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: #435355;
}

.check-wrap input {
  width: 18px;
  height: 18px;
}

.primary-btn,
.ghost-btn {
  border: 0;
  border-radius: 999px;
  padding: 11px 18px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.primary-btn {
  background: linear-gradient(160deg, var(--accent), var(--accent-strong));
  color: #f5fffb;
  min-width: 150px;
}

.primary-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.ghost-btn {
  border: 1px solid #b8c5c1;
  background: #f9fcfa;
  color: #2e4b47;
}

.status {
  margin-bottom: 10px;
  color: #4e6162;
  font-size: 0.93rem;
}

.status.error {
  color: var(--danger);
}

.status.loading {
  color: #315f58;
}

.output-actions {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.ai-graph {
  margin-top: 14px;
  border: 1px solid #d4cfbf;
  border-radius: 14px;
  background: #fffef9;
  padding: 12px;
}

.meter-row + .meter-row {
  margin-top: 12px;
}

.meter-labels {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  color: #394a4b;
  font-size: 0.9rem;
}

.meter-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: #ead9cf;
  overflow: hidden;
}

.meter-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #c46b52, #b3432a);
  transition: width 300ms ease;
}

.human-track {
  background: #d5e4da;
}

.human-fill {
  background: linear-gradient(90deg, #6cab88, #2e7f57);
}

.ai-verdict {
  margin: 12px 0 2px;
  color: #4f6061;
}

.meta {
  color: #5a6768;
  font-size: 0.84rem;
  text-align: right;
}

@keyframes liftIn {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes driftA {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(-14px, 14px);
  }
}

@keyframes driftB {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(16px, -12px);
  }
}

@media (max-width: 1024px) {
  .studio {
    grid-template-columns: 1fr;
  }

  .hero-row {
    flex-direction: column;
  }

  #inputText,
  #outputText {
    min-height: 220px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: 95vw;
    margin: 20px auto;
  }

  .panel {
    padding: 16px;
  }

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

  .action-row,
  .output-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .meta {
    text-align: left;
  }

  .tool-switch {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
  }

  .profile-card {
    flex-direction: column;
  }

  .profile-dropdown {
    right: auto;
    left: 0;
  }
}