:root {
  --bg: #0b0d12;
  --bg-panel: #12151d;
  --bg-panel-2: #171b26;
  --line: #232838;
  --text: #e8eaf0;
  --text-dim: #8a90a3;
  --violet: #7c5cfc;
  --violet-dim: #7c5cfc33;
  --cyan: #33e0c4;
  --danger: #ff5c72;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 0%, #7c5cfc14, transparent 40%),
    radial-gradient(circle at 90% 20%, #33e0c412, transparent 35%);
}

a { color: inherit; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand .dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  transform: rotate(45deg);
}

.token-hud {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 14px;
}

.token-hud .count {
  color: var(--cyan);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.logout-link {
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  background: none;
}
.logout-link:hover { border-color: var(--violet); color: var(--text); }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 48px 32px 80px;
}

/* ---- Auth screen ---- */
.auth-shell {
  min-height: calc(100vh - 73px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 36px;
}

.auth-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 6px;
}

.auth-card h1 {
  font-family: var(--font-display);
  font-size: 26px;
  margin: 0 0 24px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font-body);
}

.field input:focus {
  outline: none;
  border-color: var(--violet);
}

.btn {
  width: 100%;
  padding: 13px;
  border-radius: 8px;
  border: none;
  background: linear-gradient(135deg, var(--violet), #9b7bff);
  color: white;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease;
}
.btn:hover { opacity: 0.92; }
.btn:active { transform: scale(0.99); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost {
  background: none;
  border: 1px solid var(--line);
  color: var(--text);
}

.auth-switch {
  text-align: center;
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-dim);
}
.auth-switch button {
  background: none;
  border: none;
  color: var(--cyan);
  cursor: pointer;
  font-size: 13px;
  padding: 0;
  text-decoration: underline;
}

.error-msg {
  background: #ff5c7218;
  border: 1px solid #ff5c7255;
  color: var(--danger);
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 16px;
}

/* ---- Dashboard ---- */
.section-title {
  font-family: var(--font-display);
  font-size: 28px;
  margin: 0 0 4px;
}
.section-sub {
  color: var(--text-dim);
  font-size: 14px;
  margin: 0 0 32px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.tab {
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  color: var(--text-dim);
  font-size: 13px;
  font-family: var(--font-display);
  cursor: pointer;
}
.tab.active {
  border-color: var(--violet);
  color: var(--text);
  background: var(--violet-dim);
}

.gen-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}

.gen-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.gen-head h2 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0 0 4px;
}
.gen-head p {
  color: var(--text-dim);
  font-size: 13px;
  margin: 0;
}

.cost-chip {
  font-family: var(--font-display);
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--cyan);
  white-space: nowrap;
}

textarea {
  width: 100%;
  min-height: 90px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 14px;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 14px;
  resize: vertical;
  margin-bottom: 16px;
}
textarea:focus { outline: none; border-color: var(--violet); }

.result-box {
  margin-top: 20px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 20px;
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
}
.result-box img, .result-box video {
  max-width: 100%;
  border-radius: 8px;
}
.result-box.has-content { display: block; }

.status-line {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 10px;
}
.status-line.error { color: var(--danger); }
.status-line.success { color: var(--cyan); }

footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 12px;
  padding: 24px;
}