:root {
  --studio-main-bg: #f4f7f6;
  --studio-surface: #ffffff;
  --studio-accent: #3498db;
  --studio-accent-hover: #2980b9;
  --studio-accent-soft: rgba(52, 152, 219, 0.12);
  --studio-accent-softer: rgba(52, 152, 219, 0.08);
  --studio-text: #1a1d21;
  --studio-muted: #6c757d;
  --studio-border: rgba(0, 0, 0, 0.06);
  --studio-sidebar-w: 260px;
  --studio-radius: 18px;
  --studio-shadow: 0 2px 16px rgba(15, 23, 42, 0.06);
  --studio-blue: var(--studio-accent);
  --studio-blue-hover: var(--studio-accent-hover);
  --studio-bg: var(--studio-main-bg);
}

html {
  scroll-behavior: smooth;
}

body.studio-body,
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--studio-main-bg);
  color: var(--studio-text);
  letter-spacing: -0.02em;
  min-height: 100vh;
}

/* App shell: sidebar + main (matches dashboard reference) */
.studio-app {
  background: var(--studio-main-bg);
}

.studio-nav-shell {
  width: var(--studio-sidebar-w);
  flex-shrink: 0;
}

@media (min-width: 992px) {
  .studio-nav-shell {
    position: sticky;
    top: 0;
    align-self: flex-start;
    min-height: 100vh;
    z-index: 1020;
  }
}

@media (max-width: 991.98px) {
  .studio-nav-shell {
    width: 100%;
  }
}

.studio-sidebar {
  width: var(--studio-sidebar-w);
  min-height: 100vh;
  box-shadow: 1px 0 0 var(--studio-border);
}

.studio-brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1.25px solid var(--studio-accent);
  background: var(--studio-surface) url("../favicon.svg") center / 22px 22px no-repeat;
  flex-shrink: 0;
}

.studio-side-nav .studio-side-link {
  color: var(--studio-muted) !important;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.65rem 1rem !important;
  border-radius: 12px;
  transition: color 0.18s ease, background 0.18s ease;
}

.studio-side-nav .studio-side-link:hover {
  color: var(--studio-accent) !important;
  background: var(--studio-accent-softer);
}

.studio-side-nav .studio-side-link.active {
  color: var(--studio-accent) !important;
  background: var(--studio-accent-soft);
}

.studio-side-icon {
  font-size: 1.2rem;
  width: 1.5rem;
  text-align: center;
  opacity: 0.92;
}

.studio-mobile-header {
  position: sticky;
  top: 0;
  z-index: 1030;
}

.btn-icon {
  border: none;
  background: transparent;
  line-height: 1;
}

.btn-icon:hover {
  background: var(--studio-accent-softer);
  color: var(--studio-accent) !important;
}

.studio-offcanvas.offcanvas {
  --bs-offcanvas-width: min(320px, 88vw);
}

.studio-page {
  background: var(--studio-main-bg);
}

.studio-page .form-select,
.studio-page .form-control {
  border-radius: 10px;
  border-color: rgba(0, 0, 0, 0.08);
}


.studio-hero h1 {
  font-weight: 600;
  letter-spacing: -0.03em;
}

.studio-hero .lead {
  color: var(--studio-muted);
  font-weight: 400;
  max-width: 36rem;
}

.studio-card {
  background: var(--studio-surface);
  border-radius: var(--studio-radius);
  border: none;
  box-shadow: var(--studio-shadow);
}

/* Home: Tools section (index only) */
.studio-tools-section .studio-tools-title {
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--studio-text);
}

.studio-tools-section .studio-tools-sub {
  max-width: 28rem;
  line-height: 1.45;
}

.studio-tools-grid {
  --studio-tool-min-h: 188px;
}

@media (min-width: 992px) {
  .studio-tools-grid {
    --studio-tool-min-h: 204px;
  }
}

.studio-tool-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: var(--studio-tool-min-h);
  padding: 1.25rem 1.35rem;
  background: linear-gradient(180deg, #ffffff 0%, #fafcfd 100%);
  border-radius: 16px;
  border: 1px solid var(--studio-border);
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
  transition: border-color 0.2s ease, box-shadow 0.22s ease, transform 0.22s ease;
}

@media (min-width: 992px) {
  .studio-tool-tile {
    padding: 1.5rem 1.45rem;
  }
}

.studio-tool-tile:hover {
  border-color: rgba(52, 152, 219, 0.28);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.09);
  transform: translateY(-3px);
}

.studio-tool-tile:focus-within {
  border-color: rgba(52, 152, 219, 0.35);
  box-shadow: 0 0 0 3px var(--studio-accent-softer);
}

.studio-tool-tile-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  border-radius: 13px;
  background: var(--studio-accent-soft);
  color: var(--studio-accent);
  font-size: 1.35rem;
  line-height: 1;
}

.studio-tool-tile-heading {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--studio-text);
}

.studio-tool-tile-desc {
  flex: 1 1 auto;
  line-height: 1.5;
}

.studio-tool-tile-cta {
  align-self: flex-start;
  margin-top: 1rem;
  padding-left: 1.15rem;
  padding-right: 1.15rem;
}

.studio-tool-tile-cta:focus-visible {
  box-shadow: 0 0 0 3px var(--studio-accent-soft);
}

@media (prefers-reduced-motion: reduce) {
  .studio-tool-tile,
  .studio-tool-tile:hover {
    transition: none;
    transform: none;
  }
}

.studio-btn-primary {
  background: var(--studio-accent);
  border: none;
  border-radius: 12px;
  padding: 0.55rem 1.35rem;
  font-weight: 500;
  transition: background 0.2s ease, transform 0.15s ease;
}

.studio-btn-primary:hover {
  background: var(--studio-accent-hover);
}

.studio-btn-primary:active {
  transform: scale(0.98);
}

.studio-dropzone {
  border: 2px dashed rgba(52, 152, 219, 0.35);
  border-radius: var(--studio-radius);
  background: rgba(52, 152, 219, 0.04);
  transition: border-color 0.2s ease, background 0.2s ease;
  cursor: pointer;
}

.studio-dropzone:hover,
.studio-dropzone.studio-dropzone-active {
  border-color: var(--studio-accent);
  background: var(--studio-accent-softer);
}

.ad-slot {
  min-height: 90px;
  border-radius: 14px;
  border: 1px dashed rgba(52, 152, 219, 0.28);
  background: var(--studio-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--studio-muted);
  font-size: 0.8rem;
  text-align: center;
  padding: 1rem;
  box-shadow: var(--studio-shadow);
}

.ad-slot ins.adsbygoogle {
  display: block !important;
  width: 100%;
}

.queue-row {
  border-bottom: 1px solid var(--studio-border);
  font-size: 0.9rem;
}

.queue-row:last-child {
  border-bottom: none;
}

.queue-status-pending {
  color: var(--studio-muted);
}

.queue-status-processing {
  color: var(--studio-accent);
}

.queue-status-done {
  color: #248a3d;
}

.queue-status-error {
  color: #c41e3a;
}

.progress-bar {
  background-color: var(--studio-accent);
}

.convert-overlay {
  position: fixed;
  inset: 0;
  background: rgba(244, 247, 246, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.convert-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.convert-spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid rgba(52, 152, 219, 0.2);
  border-top-color: var(--studio-accent);
  animation: studio-spin 0.85s linear infinite;
}

@keyframes studio-spin {
  to {
    transform: rotate(360deg);
  }
}

.convert-pulse {
  width: 200px;
  height: 4px;
  border-radius: 999px;
  background: rgba(52, 152, 219, 0.15);
  overflow: hidden;
}

.convert-pulse::after {
  content: "";
  display: block;
  height: 100%;
  width: 40%;
  border-radius: inherit;
  background: var(--studio-accent);
  animation: studio-pulse 1.2s ease-in-out infinite;
}

@keyframes studio-pulse {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(350%);
  }
}

footer.studio-footer {
  color: var(--studio-muted);
  font-size: 0.85rem;
  background: var(--studio-surface);
}

/* Pills on metadata page align with dashboard */
.nav-pills .nav-link {
  border-radius: 999px;
}

.nav-pills .nav-link.active {
  background-color: var(--studio-accent-soft);
  color: var(--studio-accent) !important;
}

@media (max-width: 576px) {
  .studio-hero h1 {
    font-size: 1.75rem;
  }
}