:root {
  --bg: #070b14;
  --bg-soft: #101827;
  --surface: rgba(17, 25, 40, 0.78);
  --surface-strong: rgba(22, 33, 54, 0.92);
  --ink: #edf5ff;
  --muted: #97a6ba;
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.2);
  --accent: #73d8ff;
  --accent-2: #9df5cc;
  --accent-ink: #06111f;
  --warning: #f6c76d;
  --coral: #ff8a6c;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.38);
  --radius: 26px;
}

html {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--ink);
  font-family: "Space Grotesk", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 14% -12%, rgba(115, 216, 255, 0.28), transparent 28rem),
    radial-gradient(circle at 86% 0%, rgba(157, 245, 204, 0.17), transparent 26rem),
    linear-gradient(135deg, var(--bg), var(--bg-soft));
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.45;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black, transparent 82%);
}

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

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

a {
  color: inherit;
  text-decoration: none;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1 {
  max-width: 920px;
  margin-bottom: 1.1rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(3rem, 7vw, 6.3rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
  background: linear-gradient(135deg, #ffffff, #c4efff 42%, #baffd9);
  background-clip: text;
  color: transparent;
}

h2 {
  margin-bottom: 0.45rem;
  font-size: clamp(2rem, 4vw, 4.4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

h3 {
  margin-bottom: 0.35rem;
  font-size: 1.1rem;
}

h4 {
  margin: 0 0 0.35rem;
}

p {
  color: var(--muted);
  line-height: 1.65;
}

.hidden {
  display: none !important;
}

.eyebrow {
  margin-bottom: 0.55rem;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 15px;
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 44px rgba(115, 216, 255, 0.18);
}

label {
  display: grid;
  gap: 0.5rem;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0.88rem 0.95rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.065);
  outline: none;
}

select {
  appearance: none;
  color-scheme: dark;
  padding-right: 2.6rem;
  background:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%) calc(100% - 1.05rem) 50% / 7px 7px no-repeat,
    linear-gradient(135deg, var(--accent) 50%, transparent 50%) calc(100% - 0.72rem) 50% / 7px 7px no-repeat,
    rgba(255, 255, 255, 0.065);
}

select option,
select optgroup {
  color: var(--ink);
  background: #101827;
}

select option:checked,
select option:hover {
  color: #06111f;
  background: var(--accent);
}

textarea {
  resize: vertical;
}

input::placeholder,
textarea::placeholder {
  color: rgba(237, 245, 255, 0.42);
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(115, 216, 255, 0.58);
  box-shadow: 0 0 0 4px rgba(115, 216, 255, 0.12);
}

.primary-button,
.secondary-button,
.ghost-button {
  border: 0;
  border-radius: 999px;
  padding: 0.88rem 1rem;
  font-weight: 900;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background 160ms ease;
}

.primary-button {
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 18px 42px rgba(115, 216, 255, 0.2);
}

.secondary-button,
.ghost-button {
  color: var(--ink);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.07);
}

.primary-button:hover:not(:disabled),
.secondary-button:hover:not(:disabled),
.ghost-button:hover:not(:disabled) {
  transform: translateY(-1px);
}

.landing {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.62fr);
  gap: 2rem;
  align-items: center;
  width: min(1220px, calc(100% - 32px));
  min-height: 100vh;
  margin: 0 auto;
  padding: 3rem 0;
}

.landing-copy > p {
  max-width: 710px;
  font-size: 1.12rem;
}

.demo-card,
.auth-card,
.builder-card,
.panel-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 30, 49, 0.86), rgba(12, 18, 31, 0.72));
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.demo-card {
  max-width: 680px;
  margin-top: 2rem;
  padding: 1.15rem;
}

.demo-card span,
.badge {
  display: inline-flex;
  margin: 0 0.35rem 0.4rem 0;
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-size: 0.75rem;
  font-weight: 900;
}

.demo-card p {
  margin-bottom: 0.35rem;
  color: var(--ink);
  font-weight: 800;
}

.auth-stack {
  display: grid;
  gap: 1rem;
}

.auth-card {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
}

.builder-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr) 380px;
  gap: 0.9rem;
  min-height: 100vh;
  padding: 0.9rem;
}

.studio-sidebar,
.builder-main,
.builder-panel {
  border: 1px solid var(--line);
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(16, 25, 42, 0.9), rgba(8, 13, 24, 0.86));
  box-shadow: var(--shadow);
}

.studio-sidebar {
  position: sticky;
  top: 0.9rem;
  display: flex;
  height: calc(100vh - 1.8rem);
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}

.credit-card {
  display: grid;
  gap: 0.25rem;
  border-radius: 22px;
  padding: 1rem;
  color: #07111f;
  background: linear-gradient(135deg, var(--warning), var(--accent-2));
}

.credit-card small {
  font-weight: 900;
  text-transform: uppercase;
}

.credit-card strong {
  font-size: 2.1rem;
}

.builder-nav {
  display: grid;
  gap: 0.5rem;
}

.builder-nav a {
  border: 1px solid transparent;
  border-radius: 16px;
  padding: 0.78rem 0.85rem;
  color: rgba(237, 245, 255, 0.82);
}

.builder-nav a:hover {
  border-color: rgba(115, 216, 255, 0.25);
  background: rgba(115, 216, 255, 0.09);
}

.studio-sidebar .ghost-button {
  margin-top: auto;
}

.builder-main {
  overflow: hidden;
}

.builder-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
  border-bottom: 1px solid var(--line);
  padding: 1.25rem;
  background:
    radial-gradient(circle at top right, rgba(115, 216, 255, 0.13), transparent 18rem),
    rgba(255, 255, 255, 0.03);
}

.builder-hero p {
  max-width: 680px;
  margin-bottom: 0;
}

.build-meter {
  display: grid;
  min-width: 120px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.06);
}

.build-meter small {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
}

.build-meter strong {
  font-size: 2.5rem;
}

.builder-form {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.builder-step {
  display: grid;
  gap: 1rem;
}

.builder-card {
  padding: 1rem;
  box-shadow: none;
}

.step-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.step-card p {
  margin-bottom: 0;
}

.section-heading {
  display: flex;
  gap: 0.9rem;
  margin-bottom: 1rem;
}

.section-heading > span {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 15px;
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 900;
}

.section-heading p {
  margin-bottom: 0;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.option-grid.compact {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.option-card {
  position: relative;
  min-height: 132px;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.045);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.option-card:hover,
.option-card.active {
  border-color: rgba(115, 216, 255, 0.45);
  background: rgba(115, 216, 255, 0.1);
  transform: translateY(-1px);
}

.option-card input {
  position: absolute;
  right: 0.8rem;
  top: 0.8rem;
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.option-card span {
  display: grid;
  gap: 0.5rem;
  padding-right: 1.5rem;
}

.option-card strong {
  color: var(--ink);
  font-size: 0.98rem;
}

.option-card small {
  color: var(--muted);
  line-height: 1.45;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.9rem;
}

.toggle-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.advanced-options {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}

.advanced-options h4 {
  margin-bottom: 0.25rem;
}

.advanced-options p {
  margin-bottom: 0;
}

.advanced-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.advanced-grid > p {
  grid-column: 1 / -1;
  border: 1px dashed rgba(115, 216, 255, 0.28);
  border-radius: 18px;
  padding: 0.9rem;
  background: rgba(115, 216, 255, 0.06);
}

.advanced-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 0.9rem;
  background:
    linear-gradient(180deg, rgba(115, 216, 255, 0.07), transparent),
    rgba(255, 255, 255, 0.045);
}

.advanced-card > div {
  display: grid;
  gap: 0.25rem;
  grid-column: 1 / -1;
}

.advanced-card span {
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.advanced-card strong {
  color: var(--ink);
}

.advanced-card label {
  font-size: 0.78rem;
}

.advanced-card input,
.advanced-card select,
.advanced-card textarea {
  border-radius: 14px;
  padding-block: 0.72rem;
}

.advanced-card label:nth-last-child(-n + 3) {
  grid-column: 1 / -1;
}

.builder-panel {
  display: grid;
  align-content: start;
  gap: 0.9rem;
  overflow-y: auto;
  padding: 0.9rem;
}

.sticky-panel {
  position: sticky;
  top: 0;
  z-index: 2;
}

.panel-card {
  padding: 1rem;
  box-shadow: none;
}

.summary-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0.8rem 0;
}

.summary-list span {
  border: 1px solid rgba(115, 216, 255, 0.18);
  border-radius: 999px;
  padding: 0.32rem 0.62rem;
  color: var(--accent);
  background: rgba(115, 216, 255, 0.08);
  font-size: 0.78rem;
  font-weight: 900;
}

.summary-list p {
  margin: 0;
}

.cost-card {
  display: grid;
  gap: 0.25rem;
  margin-top: 0.9rem;
  border: 1px solid rgba(246, 199, 109, 0.34);
  border-radius: 22px;
  padding: 1rem;
  color: #08111e;
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.55), transparent 42%),
    linear-gradient(135deg, var(--warning), #ffe7a8);
  box-shadow: 0 22px 54px rgba(246, 199, 109, 0.2);
}

.cost-card.ready {
  border-color: rgba(157, 245, 204, 0.52);
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.55), transparent 42%),
    linear-gradient(135deg, var(--accent-2), var(--accent));
}

.cost-card.blocked {
  border-color: rgba(255, 138, 108, 0.5);
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.42), transparent 42%),
    linear-gradient(135deg, var(--coral), var(--warning));
}

.cost-card small {
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.cost-card strong {
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  line-height: 0.9;
  letter-spacing: -0.07em;
}

.cost-card strong::after {
  content: " credits";
  font-size: 0.95rem;
  letter-spacing: 0;
}

.cost-card span {
  font-size: 0.9rem;
  font-weight: 800;
}

.preview-box,
.guide-box {
  margin-top: 0.8rem;
  border: 1px solid rgba(115, 216, 255, 0.18);
  border-radius: 18px;
  padding: 0.9rem;
  color: var(--muted);
  background: rgba(115, 216, 255, 0.07);
  white-space: pre-wrap;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
  margin-top: 0.8rem;
}

.plans-grid,
.packs-grid,
.history-list {
  display: grid;
  gap: 0.65rem;
}

.packs-grid {
  margin-top: 0.65rem;
}

.mini-card,
.history-item,
.admin-user {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 0.82rem;
  background: rgba(255, 255, 255, 0.045);
}

.mini-card strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--ink);
}

.mini-card p,
.history-item p {
  margin-bottom: 0.45rem;
  font-size: 0.9rem;
}

.admin-form,
.admin-users {
  display: grid;
  gap: 0.7rem;
}

.admin-users {
  margin-top: 0.8rem;
}

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

.admin-user div {
  display: grid;
  gap: 0.15rem;
}

.admin-user span {
  color: var(--muted);
  font-size: 0.82rem;
}

.admin-user b {
  color: var(--accent);
  white-space: nowrap;
}

.download-link {
  display: inline-flex;
  margin-top: 0.75rem;
  border-radius: 999px;
  padding: 0.68rem 0.9rem;
  color: var(--accent-ink);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 900;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  max-width: min(440px, calc(100% - 32px));
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1rem;
  color: var(--ink);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .builder-shell {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .builder-panel {
    grid-column: 1 / -1;
  }

  .sticky-panel {
    position: static;
  }

  .option-grid,
  .option-grid.compact,
  .advanced-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .builder-shell {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .studio-sidebar {
    position: static;
    height: auto;
    border-radius: 0;
  }

  .builder-main,
  .builder-panel {
    border-radius: 0;
  }

  .builder-hero,
  .button-row,
  .step-card {
    grid-template-columns: 1fr;
  }

  .builder-hero {
    display: grid;
  }

  .step-card {
    display: grid;
  }

  .option-grid,
  .option-grid.compact,
  .advanced-grid,
  .advanced-card {
    grid-template-columns: 1fr;
  }

  .advanced-card > div,
  .advanced-card label:nth-last-child(-n + 3) {
    grid-column: auto;
  }
}