@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap");
:root {
  --bg: #0b0d10;
  --surface: #15181d;
  --surface-raised: #1d2127;
  --line: #2a2f37;
  --text: #edeff2;
  --muted: #8a919c;
  --accent: #7cff6b;
  --accent-dim: #3e6b37;
  --violet: #a78bfa;
  --radius: 14px;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Inter",
    -apple-system,
    sans-serif;
  -webkit-font-smoothing: antialiased;
}
body {
  min-height: 100vh;
}
a {
  color: inherit;
}
::selection {
  background: var(--accent);
  color: #0b0d10;
} /* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 28px;
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-family: "Space Grotesk", sans-serif;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.wordmark span {
  color: var(--accent);
}
.topbar-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.credits-badge {
  font-size: 13px;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  background: rgba(124, 255, 107, 0.08);
  padding: 5px 12px;
  border-radius: 100px;
}
.account-btn {
  background: var(--accent);
  color: #0b1a08;
  border: none;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 13.5px;
  padding: 9px 18px;
  border-radius: 100px;
  cursor: pointer;
}
.account-btn:hover {
  background: #8fff80;
}
.account-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
}
.account-chip button {
  background: none;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 12.5px;
  padding: 5px 12px;
  border-radius: 100px;
  cursor: pointer;
}
.account-chip button:hover {
  border-color: var(--accent);
  color: var(--text);
} /* ---------- Modals ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(4, 5, 7, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
  overflow-y: auto;
}
.modal-backdrop[hidden] {
  display: none;
}
.modal {
  background: var(--surface-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  position: relative;
}
.modal h2 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 22px;
  margin: 0 0 10px;
}
.modal p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 20px;
}
.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 22px;
  cursor: pointer;
  line-height: 1;
}
.modal-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 20px;
}
.modal-tab {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 9px;
  border-radius: 8px;
  font-family: "Inter", sans-serif;
  font-size: 14px;
  cursor: pointer;
}
.modal-tab.active {
  color: var(--text);
  border-color: var(--accent);
}
.modal-error {
  color: #ff6b6b;
  font-size: 13px;
  margin: -8px 0 14px;
} /* Plan picker inside upgrade modal */
.plan-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 18px;
}
.plan-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  cursor: pointer;
}
.plan-option:hover {
  border-color: var(--accent);
}
.plan-option.selected {
  border-color: var(--accent);
  background: rgba(124, 255, 107, 0.06);
}
.plan-option .plan-name {
  font-weight: 600;
  font-size: 14.5px;
}
.plan-option .plan-credits {
  color: var(--muted);
  font-size: 12.5px;
}
#authForm .generate-btn,
#upgradeModal .generate-btn {
  width: 100%;
} /* ---------- Hero ---------- */
.hero {
  padding: 56px 28px 36px;
  max-width: 760px;
}
.hero h1 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: clamp(30px, 4.5vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}
.hero p {
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.6;
  max-width: 56ch;
  margin: 0;
} /* ---------- Studio layout ---------- */
.studio {
  display: grid;
  grid-template-columns: 230px 1fr;
  gap: 0;
  max-width: 1200px;
  margin: 16px auto 80px;
  padding: 0 28px;
}
.tool-rail {
  border-right: 1px solid var(--line);
  padding-right: 8px;
}
.tool-item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  color: var(--muted);
  font-family: "Inter", sans-serif;
  font-size: 14.5px;
  padding: 13px 14px;
  cursor: pointer;
  border-radius: 10px;
  transition:
    color 0.15s ease,
    background 0.15s ease;
}
.tool-item .num {
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  color: var(--accent-dim);
  min-width: 14px;
}
.tool-item:hover {
  color: var(--text);
  background: var(--surface);
}
.tool-item.active {
  color: var(--text);
  background: var(--surface-raised);
}
.tool-item.active .num {
  color: var(--accent);
}
.tool-item .cost {
  margin-left: auto;
  font-size: 11px;
  color: var(--violet);
}
.panel {
  padding: 8px 0 0 36px;
}
.panel-head h2 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 25px;
  margin: 6px 0 6px;
}
.panel-head p {
  color: var(--muted);
  font-size: 14.5px;
  margin: 0 0 26px;
  max-width: 58ch;
  line-height: 1.55;
}
.field {
  margin-bottom: 18px;
}
.field label {
  display: block;
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 8px;
}
.field textarea,
.field input[type="text"],
.field input[type="number"],
.field select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  font-family: "Inter", sans-serif;
  font-size: 14.5px;
  padding: 12px 14px;
  resize: vertical;
}
.field textarea:focus,
.field input:focus,
.field select:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
  border-color: transparent;
}
.field-row {
  display: flex;
  gap: 14px;
}
.field-row .field {
  flex: 1;
}
.generate-btn {
  background: var(--accent);
  color: #0b1a08;
  border: none;
  font-family: "Inter", sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 10px;
  cursor: pointer;
  transition:
    transform 0.1s ease,
    background 0.15s ease;
}
.generate-btn:hover {
  background: #8fff80;
}
.generate-btn:active {
  transform: scale(0.98);
}
.generate-btn:disabled {
  opacity: 0.5;
  cursor: wait;
}
.demo-badge {
  display: inline-block;
  font-size: 12px;
  color: var(--violet);
  border: 1px solid var(--violet);
  border-radius: 100px;
  padding: 3px 10px;
  margin-left: 10px;
}
.output {
  margin-top: 30px;
  min-height: 170px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px;
  position: relative;
  overflow: hidden;
}
.output.empty::before {
  content: "";
  width: 110px;
  height: 110px;
  border-radius: 50%;
  background: radial-gradient(
    circle at 40% 35%,
    var(--accent),
    var(--accent-dim) 60%,
    transparent 75%
  );
  filter: blur(2px);
  opacity: 0.5;
  animation: breathe 4.5s ease-in-out infinite;
}
@keyframes breathe {
  0%,
  100% {
    transform: scale(0.9);
    opacity: 0.35;
  }
  50% {
    transform: scale(1.08);
    opacity: 0.6;
  }
}
.output img,
.output video {
  max-width: 100%;
  border-radius: 10px;
}
.output audio {
  width: 100%;
}
.output pre {
  white-space: pre-wrap;
  font-family: "Inter", sans-serif;
  font-size: 14.5px;
  line-height: 1.6;
  margin: 0;
}
.output-caption {
  position: absolute;
  bottom: 12px;
  left: 16px;
  font-size: 12.5px;
  color: var(--muted);
}
@media (prefers-reduced-motion: reduce) {
  .output.empty::before {
    animation: none;
  }
}
@media (max-width: 780px) {
  .studio {
    grid-template-columns: 1fr;
    padding: 0 18px;
  }
  .tool-rail {
    display: flex;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-bottom: 6px;
    margin-bottom: 18px;
    gap: 4px;
  }
  .tool-item {
    white-space: nowrap;
  }
  .tool-item .cost {
    margin-left: 6px;
  }
  .panel {
    padding-left: 0;
  }
  .hero {
    padding: 44px 18px 20px;
  }
  .field-row {
    flex-direction: column;
  }
}

/* ---------- Unavailable tools ---------- */
/* A tool whose provider key is missing still works, but only returns a
   placeholder. Say so in the rail rather than letting people discover it
   by clicking. */
.tool-item.unavailable {
  opacity: 0.55;
}

.tool-item.unavailable:hover {
  opacity: 0.8;
}

.tool-item .demo-tag {
  font-size: 10px;
  color: var(--violet);
  border: 1px solid var(--violet);
  border-radius: 100px;
  padding: 1px 6px;
  margin-left: 6px;
  flex-shrink: 0;
}

.provider-note {
  background: rgba(167, 139, 250, 0.08);
  border: 1px solid rgba(167, 139, 250, 0.3);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.5;
  margin: 0 0 20px;
}

/* The [hidden] attribute sets display:none via the UA stylesheet, but any
   explicit display rule beats it - .tool-item is display:flex and
   .demo-badge is display:inline-block, so "hidden" elements stayed on
   screen. This makes the attribute authoritative everywhere. */
[hidden] {
  display: none !important;
}

/* ---------- Tool sections ---------- */
/* Desktop: all sections stacked in the side rail with headings.
   Mobile: sections become tabs across the top and only the active one's
   tools are listed - a ten-item side column does not fit a phone. */
.rail-heading {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 18px 0 6px 14px;
  font-weight: 600;
}

.rail-section:first-child .rail-heading {
  margin-top: 0;
}

.section-tabs {
  display: none;
}

@media (max-width: 780px) {
  .section-tabs {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 10px;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--line);
    -webkit-overflow-scrolling: touch;
  }

  .section-tab {
    flex: 0 0 auto;
    background: var(--surface);
    border: 1px solid var(--line);
    color: var(--muted);
    font-family: inherit;
    font-size: 13.5px;
    padding: 9px 16px;
    border-radius: 100px;
    cursor: pointer;
    white-space: nowrap;
  }

  .section-tab.active {
    color: #0b1a08;
    background: var(--accent);
    border-color: var(--accent);
    font-weight: 600;
  }

  /* On mobile only the active section's tools are shown. */
  .rail-section {
    display: none;
  }

  .rail-section.active {
    display: block;
  }

  .rail-heading {
    display: none;
  }

  .tool-rail {
    display: block;
    overflow: visible;
    border-bottom: none;
    margin-bottom: 14px;
  }

  .tool-item {
    width: 100%;
  }
}

/* ---------- Google sign-in ---------- */
.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  background: #fff;
  color: #1f1f1f;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 18px;
  font-family: inherit;
  font-size: 14.5px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  margin-bottom: 14px;
}

.google-btn:hover {
  background: #f2f2f2;
}

.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  margin: 0 0 14px;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--line);
}

.auth-divider span {
  padding: 0 10px;
}