@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #05050b;
  --bg-elevated: #101018;
  --bg-card: #151521;
  --bg-card-soft: #1b1b29;
  --border: #26263a;
  --border-soft: #2f2f45;
  --text: #f5f5ff;
  --text-muted: #8f90b3;
  --accent: #8b5cf6;
  --accent-soft: rgba(139, 92, 246, 0.18);
  --accent2: #3b82f6;
  --danger: #ef4444;
  --radius: 14px;
  --radius-sm: 9px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, #111126 0, #05050b 45%);
  color: var(--text);
}

.studio-header {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(20px);
  background: linear-gradient(to bottom, rgba(5,5,11,0.95), rgba(5,5,11,0.85));
  border-bottom: 1px solid rgba(46,46,78,0.8);
}
.studio-header-inner {
  max-width: 1200px; margin: 0 auto;
  height: 64px; display: flex; align-items: center;
  justify-content: space-between; padding: 0 20px;
}
.studio-left { display: flex; align-items: center; gap: 22px; }
.studio-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.studio-logo-icon {
  width: 32px; height: 32px; border-radius: 10px;
  background: linear-gradient(135deg, #8b5cf6, #3b82f6);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px; color: white;
}
.studio-logo-text { font-weight: 600; font-size: 16px; color: var(--text); }
.studio-logo-text span { color: var(--accent); }

.studio-nav-tabs { display: flex; align-items: center; gap: 6px; }
.nav-tab {
  border-radius: 999px; padding: 6px 14px;
  border: none; cursor: pointer;
  font-size: 13px; font-weight: 500;
  background: transparent; color: var(--text-muted);
}
.nav-tab.active {
  background: var(--accent-soft);
  color: var(--accent);
}
.nav-tab.nav-link { text-decoration: none; }

.studio-right { display: flex; align-items: center; gap: 14px; }
.studio-credits {
  display: flex; flex-direction: column; align-items: flex-end;
  font-size: 11px;
}
.credits-label { color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.credits-value { font-size: 13px; font-weight: 600; }
.studio-status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #22c55e; box-shadow: 0 0 0 6px rgba(34,197,94,0.2);
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; border-radius: 999px; border: 1px solid transparent;
  font-size: 12px; font-weight: 600; cursor: pointer;
  padding: 7px 14px; background: transparent; color: var(--text);
}
.btn-xs { padding: 5px 11px; font-size: 11px; }
.btn-sm { padding: 6px 13px; font-size: 12px; }
.btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #3b82f6);
  border-color: rgba(148,163,253,0.5);
  color: white;
}
.btn-outline {
  border-color: var(--border-soft);
  color: var(--text-muted);
  background: rgba(15,15,25,0.8);
}
.btn:hover { filter: brightness(1.05); }

.avatar-circle {
  width: 18px; height: 18px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600;
}

.studio-main {
  max-width: 1200px; margin: 24px auto 40px;
  padding: 0 20px;
}
.studio-view { display: none; }
.studio-view.active { display: block; }

.studio-grid {
  display: grid;
  grid-template-columns: 2fr 1.2fr;
  gap: 20px;
}
.studio-card {
  background: radial-gradient(circle at top left, rgba(148,163,253,0.12), transparent 60%), var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid rgba(46,46,78,0.9);
  padding: 18px 18px 20px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.7);
}
.studio-card-header h2,
.studio-card-header h3 {
  font-size: 17px; font-weight: 600;
}
.studio-card-header p {
  margin-top: 4px; font-size: 13px; color: var(--text-muted);
}
.span-2 { grid-column: span 2; }
.span-full { grid-column: 1 / -1; }

.provider-row {
  display: flex; gap: 12px; margin: 16px 0 8px;
}
.provider-card {
  flex: 1; padding: 12px 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-soft);
  background: radial-gradient(circle at top left, rgba(139,92,246,0.25), transparent 60%), #111119;
  cursor: default;
}
.provider-card.disabled {
  opacity: 0.4;
}
.provider-badge {
  display: inline-flex; align-items: center;
  padding: 2px 7px; border-radius: 999px;
  font-size: 10px; text-transform: uppercase;
  background: rgba(15,23,42,0.9); color: var(--text-muted);
}
.provider-name { margin-top: 8px; font-weight: 600; font-size: 14px; }
.provider-desc { margin-top: 2px; font-size: 12px; color: var(--text-muted); }

.studio-alert {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(37,99,235,0.08);
  border: 1px dashed rgba(37,99,235,0.3);
  font-size: 12px; color: var(--text-muted);
  display: flex; flex-direction: column; gap: 2px;
}
.studio-alert .actions { margin-top: 8px; display: flex; gap: 8px; }
.muted { color: var(--text-muted); font-size: 12px; }

.provider-card { cursor: pointer; }
.provider-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(139,92,246,0.3); }
.studio-apikey-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.studio-apikey-row .apikey-input { flex: 1; min-width: 200px; padding: 8px 12px; border-radius: 8px; border: 1px solid var(--border-soft); background: var(--bg-card-soft); color: var(--text); font-size: 13px; }

.studio-form { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-group { flex: 1; min-width: 160px; display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; color: var(--text-muted); }
.form-group textarea,
.form-group select {
  border-radius: 10px;
  border: 1px solid var(--border-soft);
  background: var(--bg-card-soft);
  color: var(--text);
  padding: 9px 11px;
  font-size: 13px;
  resize: vertical;
}
.form-group textarea::placeholder { color: #5f6080; }

.jobs-list { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; max-height: 280px; overflow-y: auto; }
.job-row {
  display: flex; gap: 10px; align-items: center;
  padding: 8px 9px;
  border-radius: 10px; background: rgba(15,23,42,0.95);
  border: 1px solid rgba(31,41,55,0.9);
  font-size: 12px;
}
.job-thumb {
  width: 56px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, #8b5cf6, #3b82f6);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 16px;
}
.job-meta { flex: 1; overflow: hidden; }
.job-title { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.job-sub { color: var(--text-muted); font-size: 11px; }

.studio-history-banner {
  margin-top: 12px; padding: 10px 12px;
  border-radius: 10px;
  background: rgba(234,179,8,0.08);
  border: 1px dashed rgba(234,179,8,0.4);
  display: flex; align-items: flex-start; gap: 8px;
  font-size: 12px;
}

.history-filters {
  margin-top: 12px; display: flex; gap: 6px;
}
.chip {
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  padding: 4px 10px;
  font-size: 11px;
  background: rgba(11,11,21,0.9);
  color: var(--text-muted);
  cursor: pointer;
}
.chip.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.history-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(auto-fill,minmax(200px,1fr));
  gap: 12px;
}
.history-card {
  background: rgba(15,23,42,0.95);
  border-radius: 12px;
  border: 1px solid rgba(31,41,55,0.9);
  overflow: hidden;
  font-size: 12px;
}
.history-thumb {
  position: relative;
  background: linear-gradient(135deg,#8b5cf6,#3b82f6);
  height: 120px;
  display: flex; align-items: center; justify-content: center;
}
.history-thumb video,
.history-thumb img {
  width: 100%; height: 100%; object-fit: cover;
}
.history-type-badge {
  position: absolute; top: 8px; left: 8px;
  padding: 2px 7px; border-radius: 999px;
  font-size: 10px; text-transform: uppercase;
  background: rgba(15,23,42,0.9);
}
.history-body {
  padding: 9px 10px 10px;
}
.history-prompt {
  font-size: 12px; font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.history-meta {
  margin-top: 4px; display: flex; justify-content: space-between;
  color: var(--text-muted); font-size: 11px;
}
.history-footer {
  margin-top: 14px; display: flex; align-items: center; gap: 10px;
}

.account-field {
  display: flex; justify-content: space-between; gap: 12px;
  margin-top: 8px; font-size: 13px;
}
.account-field .label { color: var(--text-muted); }
.account-field .value { font-weight: 500; }

.usage-bar {
  margin-top: 10px; height: 8px;
  border-radius: 999px;
  background: rgba(17,24,39,0.9);
  overflow: hidden;
}
.usage-bar-fill {
  height: 100%; background: linear-gradient(90deg,#22c55e,#eab308);
  width: 0; transition: width 0.3s;
}

.dropdown-menu {
  position: absolute; top: 120%; right: 0;
  min-width: 170px;
  background: rgba(15,23,42,0.98);
  border-radius: 10px;
  border: 1px solid rgba(31,41,55,0.9);
  box-shadow: 0 18px 45px rgba(0,0,0,0.85);
  overflow: hidden;
}
.dropdown-menu button {
  width: 100%; border: none; background: transparent;
  color: var(--text); font-size: 12px;
  text-align: left; padding: 8px 12px;
  cursor: pointer;
}
.dropdown-menu button:hover {
  background: rgba(31,41,55,0.9);
}

.spinner {
  width: 14px; height: 14px; border-radius: 999px;
  border: 2px solid rgba(148,163,253,0.3);
  border-top-color: #a855f7;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
  .span-2, .span-full { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .studio-header-inner { flex-direction: column; align-items: flex-start; gap: 8px; height: auto; padding: 10px 16px 12px; }
  .studio-left { width: 100%; justify-content: space-between; }
  .studio-right { width: 100%; justify-content: flex-end; }
  .studio-main { margin-top: 16px; }
}