:root {
  --bg: #f7f5f2;
  --bg-soft: #fdfcfa;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-solid: #fffefc;
  --panel-border: rgba(138, 148, 171, 0.18);
  --panel-border-strong: rgba(122, 132, 156, 0.24);
  --text: #2f3440;
  --text-soft: #4b5365;
  --muted: #798194;
  --accent: #92a4c4;
  --accent-strong: #7388af;
  --accent-pale: rgba(150, 167, 205, 0.14);
  --danger: #c17a83;
  --warning: #b6915f;
  --success: #7e9b8a;
  --shadow: 0 24px 60px rgba(176, 179, 193, 0.22);
  --shadow-soft: 0 10px 24px rgba(191, 196, 210, 0.18);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--text);
  font-family: "Manrope", sans-serif;
  background:
    radial-gradient(circle at 14% 18%, rgba(255, 255, 255, 0.95), transparent 22%),
    radial-gradient(circle at 84% 10%, rgba(213, 221, 242, 0.58), transparent 26%),
    radial-gradient(circle at 50% 100%, rgba(226, 230, 238, 0.58), transparent 34%),
    linear-gradient(180deg, #fbfaf7 0%, #f3f1ee 48%, #efedf0 100%);
}

body {
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.5), transparent 24%),
    linear-gradient(300deg, rgba(237, 241, 251, 0.62), transparent 28%);
  opacity: 0.8;
}

.moon-halo,
.moon-disc,
.noise {
  position: fixed;
  pointer-events: none;
}

.moon-halo {
  width: 34rem;
  height: 34rem;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.65;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.92) 0%, rgba(214, 224, 244, 0.45) 34%, transparent 72%);
}

.moon-halo-left {
  top: -10rem;
  left: -9rem;
}

.moon-halo-right {
  top: 5rem;
  right: -12rem;
  opacity: 0.52;
}

.moon-disc {
  top: 4rem;
  right: 8vw;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.98), rgba(237, 240, 248, 0.95) 58%, rgba(206, 214, 233, 0.75) 100%);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.55),
    0 0 40px rgba(225, 231, 245, 0.9),
    0 0 100px rgba(219, 225, 240, 0.55);
  opacity: 0.82;
}

.noise {
  inset: 0;
  opacity: 0.08;
  background-image:
    linear-gradient(rgba(120, 128, 153, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 128, 153, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 52%, transparent 100%);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1320px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0 60px;
}

.hero-card,
.panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(22px) saturate(1.1);
  box-shadow: var(--shadow);
}

.hero-card::before,
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.48), rgba(255, 255, 255, 0.06));
  opacity: 0.68;
}

.hero-card {
  display: grid;
  grid-template-columns: 1.4fr 0.95fr;
  gap: 26px;
  padding: 34px;
  border-radius: 40px;
}

.hero-copy,
.hero-meta,
.panel > * {
  position: relative;
  z-index: 1;
}

.eyebrow,
.panel-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(147, 158, 182, 0.18);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.66);
}

.hero-copy h1,
.panel-header h2,
.section-title-row h2,
.error-box h3 {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: #2c3341;
}

.hero-copy h1 {
  font-size: clamp(3rem, 7vw, 5.55rem);
  line-height: 0.9;
  max-width: 9ch;
  text-wrap: balance;
}

.hero-text {
  max-width: 60ch;
  margin: 18px 0 0;
  color: var(--text-soft);
  font-size: 1rem;
  line-height: 1.85;
}

.hero-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.94rem;
  letter-spacing: 0.02em;
}

.hero-meta {
  display: grid;
  gap: 16px;
  align-content: end;
}

.meta-box {
  padding: 20px 20px 18px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(246, 247, 250, 0.58)),
    var(--panel-solid);
  border: 1px solid rgba(140, 149, 171, 0.16);
  box-shadow: var(--shadow-soft);
}

.meta-box span,
.summary-strip span,
.field-tip,
#resultMeta,
#errorHint {
  color: var(--muted);
}

.meta-box strong {
  display: block;
  margin-top: 8px;
  font-size: 1.04rem;
  color: var(--text);
}

.workspace-grid {
  display: grid;
  grid-template-columns: 1.03fr 0.97fr;
  gap: 22px;
  margin-top: 22px;
}

.lower-grid {
  grid-template-columns: 0.78fr 1.22fr;
}

.panel {
  padding: 26px;
  border-radius: var(--radius-xl);
}

.panel-header,
.section-title-row,
.toolbar,
.action-row,
.node-topline,
.node-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-header h2,
.section-title-row h2 {
  font-size: 2rem;
}

.section-title-row {
  margin-bottom: 14px;
}

.field-label {
  display: block;
  margin: 18px 0 10px;
  font-size: 0.92rem;
  color: var(--text-soft);
}

.field-tip {
  margin: 10px 0 0;
  font-size: 0.88rem;
}

.import-textarea,
.result-textarea,
.search-input,
.text-input {
  width: 100%;
  border: 1px solid rgba(132, 141, 165, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.6);
  color: var(--text);
  font: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88);
  transition:
    border-color 0.22s ease,
    transform 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease;
}

.import-textarea,
.result-textarea {
  min-height: 220px;
  resize: vertical;
  padding: 16px 18px;
  line-height: 1.7;
}

.result-textarea {
  min-height: 180px;
}

.subscription-url {
  min-height: 112px;
}

.search-input,
.text-input {
  padding: 14px 16px;
}

.import-textarea::placeholder,
.search-input::placeholder,
.text-input::placeholder {
  color: #9ca4b4;
}

.import-textarea:focus,
.result-textarea:focus,
.search-input:focus,
.text-input:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(119, 136, 176, 0.34);
  box-shadow:
    0 0 0 4px rgba(188, 198, 224, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.92);
  transform: translateY(-1px);
}

.primary-btn,
.ghost-btn {
  appearance: none;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    opacity 0.18s ease,
    background 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.primary-btn {
  border: 1px solid rgba(126, 140, 172, 0.1);
  background: linear-gradient(180deg, #fdfdff, #e5e9f4);
  color: #42516e;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 10px 22px rgba(178, 186, 205, 0.28);
}

.ghost-btn {
  border: 1px solid rgba(142, 151, 173, 0.16);
  background: rgba(255, 255, 255, 0.58);
  color: var(--text-soft);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.84);
}

.primary-btn:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.94),
    0 12px 22px rgba(184, 191, 208, 0.22);
}

.primary-btn:disabled,
.ghost-btn:disabled {
  cursor: not-allowed;
  opacity: 0.42;
  transform: none;
  box-shadow: none;
}

.status-banner {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  line-height: 1.6;
  border: 1px solid transparent;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.56);
}

.status-banner.neutral {
  background: rgba(232, 236, 246, 0.72);
  border-color: rgba(145, 155, 183, 0.18);
}

.status-banner.success {
  background: rgba(228, 238, 232, 0.82);
  border-color: rgba(126, 155, 138, 0.22);
  color: #4e6557;
}

.status-banner.warning {
  background: rgba(246, 238, 224, 0.82);
  border-color: rgba(182, 145, 95, 0.24);
  color: #8a6d45;
}

.status-banner.error {
  background: rgba(248, 233, 235, 0.86);
  border-color: rgba(193, 122, 131, 0.26);
  color: #915e66;
}

.subscription-link-card {
  display: block;
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(240, 244, 252, 0.9);
  border: 1px solid rgba(124, 138, 172, 0.18);
  color: #445472;
  text-decoration: none;
  word-break: break-all;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.86);
}

.subscription-link-card:hover {
  color: #314361;
  border-color: rgba(115, 136, 175, 0.3);
}

.is-hidden {
  display: none;
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.summary-strip div,
.selection-pill {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(144, 153, 174, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.88);
}

.summary-strip strong {
  display: block;
  margin-top: 8px;
  font-size: 1.45rem;
  color: #334056;
}

.error-box {
  margin-top: 18px;
}

.error-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.error-list li {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(248, 236, 238, 0.92);
  border: 1px solid rgba(194, 129, 139, 0.16);
  color: #8a6269;
  line-height: 1.55;
}

.toolbar {
  align-items: stretch;
  margin: 18px 0;
}

.toolbar-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.node-list {
  display: grid;
  gap: 14px;
  max-height: 640px;
  overflow: auto;
  padding-right: 4px;
}

.empty-state {
  min-height: 220px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(140, 149, 171, 0.22);
  background: rgba(255, 255, 255, 0.36);
  color: var(--muted);
}

.node-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 17px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(246, 247, 250, 0.52)),
    var(--panel-solid);
  border: 1px solid rgba(142, 151, 173, 0.15);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

.node-card:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 138, 172, 0.25);
  box-shadow: 0 14px 26px rgba(188, 193, 207, 0.24);
}

.node-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--accent-strong);
}

.node-name {
  font-size: 1rem;
  color: #344054;
}

.node-badge,
.node-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(236, 239, 247, 0.86);
  color: #60708d;
  font-size: 0.82rem;
  border: 1px solid rgba(150, 159, 183, 0.12);
}

.node-grid {
  flex-wrap: wrap;
  justify-content: flex-start;
  margin-top: 10px;
}

.node-raw {
  margin: 12px 0 0;
  color: var(--muted);
  word-break: break-all;
  font-size: 0.85rem;
}

.muted {
  color: #667188;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(154, 163, 183, 0.34);
  border-radius: 999px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.2);
}

@media (max-width: 1080px) {
  .moon-disc {
    right: 4vw;
    width: 7rem;
    height: 7rem;
  }

  .hero-card,
  .workspace-grid,
  .lower-grid {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .app-shell {
    width: min(100% - 20px, 1320px);
    padding-top: 16px;
  }

  .moon-disc {
    top: 1.25rem;
    right: 1rem;
    width: 5.6rem;
    height: 5.6rem;
  }

  .hero-card,
  .panel {
    padding: 18px;
    border-radius: 24px;
  }

  .action-row,
  .toolbar-actions {
    flex-wrap: wrap;
  }

  .summary-strip {
    grid-template-columns: 1fr;
  }
}