:root {
  --studio-ink: #101626;
  --studio-muted: #667085;
  --studio-surface: #ffffff;
  --studio-bg: #f4f6fb;
  --studio-primary: #6d4aff;
  --studio-secondary: #00b8a9;
  --studio-border: #e5e9f2;
}

html {
  min-height: 100%;
  font-size: 16px;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--studio-ink);
  background:
    radial-gradient(circle at 10% 5%, rgba(109, 74, 255, 0.08), transparent 28rem),
    var(--studio-bg);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

.app-header {
  color: #fff;
  background: linear-gradient(120deg, #13172a, #282253 70%, #4930a2);
  box-shadow: 0 10px 35px rgba(22, 21, 50, 0.16);
}

.app-header .navbar {
  min-height: 70px;
}

.navbar-brand {
  display: flex;
  gap: 0.65rem;
  align-items: center;
  color: #fff;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.navbar-brand:hover,
.navbar-brand:focus {
  color: #fff;
}

.brand-symbol,
.login-mark {
  display: inline-grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--studio-primary), #9f7aea);
  box-shadow: 0 8px 24px rgba(109, 74, 255, 0.4);
}

.brand-symbol {
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  font-size: 0.75rem;
}

.user-chip {
  max-width: 18rem;
  padding: 0.35rem 0.75rem;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.82);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  gap: 0.35rem;
  margin-inline-start: 2rem;
}

.main-nav a {
  padding: 0.55rem 0.85rem;
  color: rgba(255, 255, 255, 0.76);
  border-radius: 0.7rem;
  text-decoration: none;
  transition: 160ms ease;
}

.main-nav a:hover,
.main-nav a:focus {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.app-main {
  min-height: calc(100vh - 150px);
  padding-top: 2.5rem;
  padding-bottom: 3rem;
}

.hero-card {
  position: relative;
  display: flex;
  min-height: 250px;
  align-items: center;
  padding: clamp(2rem, 6vw, 4rem);
  overflow: hidden;
  color: #fff;
  border-radius: 1.75rem;
  background: linear-gradient(135deg, #171a31 5%, #302260 55%, #6d4aff);
  box-shadow: 0 25px 65px rgba(38, 27, 84, 0.2);
}

.hero-card h1 {
  max-width: 42rem;
  margin: 0.35rem 0 0.8rem;
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
}

.hero-card p {
  max-width: 40rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
}

.hero-orb {
  position: absolute;
  inset-inline-end: -5rem;
  width: 18rem;
  height: 18rem;
  border: 2.5rem solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem rgba(255, 255, 255, 0.035);
}

.eyebrow {
  color: #c5baff;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.status-card {
  display: flex;
  gap: 1.1rem;
  padding: 1.5rem;
  border: 1px solid var(--studio-border);
  border-radius: 1.25rem;
  background: var(--studio-surface);
  box-shadow: 0 10px 32px rgba(27, 31, 55, 0.06);
}

.status-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.1rem;
  font-weight: 750;
}

.status-card p {
  margin: 0;
  color: var(--studio-muted);
}

.status-icon {
  display: grid;
  flex: 0 0 3rem;
  width: 3rem;
  height: 3rem;
  place-items: center;
  color: #fff;
  border-radius: 1rem;
  background: linear-gradient(135deg, var(--studio-primary), var(--studio-secondary));
  font-weight: 800;
}

.login-shell {
  display: grid;
  min-height: calc(100vh - 220px);
  place-items: center;
}

.studio-heading,
.settings-heading {
  padding: 1.5rem 0;
}

.studio-heading h1,
.settings-heading h1 {
  margin: 0.35rem 0 0.65rem;
  font-weight: 800;
  letter-spacing: -0.035em;
}

.studio-heading p,
.settings-heading p {
  max-width: 55rem;
  margin: 0;
  color: var(--studio-muted);
}

.studio-layout {
  display: grid;
  grid-template-columns: minmax(16rem, 19rem) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.conversation-sidebar,
.studio-workspace,
.settings-group {
  border: 1px solid var(--studio-border);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 45px rgba(27, 31, 55, 0.06);
}

.conversation-sidebar {
  position: sticky;
  top: 1rem;
  max-height: calc(100vh - 2rem);
  padding: 1rem;
  overflow: hidden;
}

.conversation-sidebar-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.25rem 0.25rem 1rem;
}

.conversation-sidebar-title h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
}

.conversation-list {
  display: grid;
  gap: 0.45rem;
  max-height: calc(100vh - 11rem);
  overflow-y: auto;
  scrollbar-width: thin;
}

.conversation-row {
  position: relative;
  min-width: 0;
}

.conversation-item {
  display: grid;
  gap: 0.3rem;
  width: 100%;
  padding: 0.8rem;
  padding-inline-end: 2.65rem;
  overflow: hidden;
  text-align: start;
  border: 1px solid transparent;
  border-radius: 0.85rem;
  background: transparent;
}

.conversation-item:hover,
.conversation-item.active {
  border-color: rgba(109, 74, 255, 0.2);
  background: rgba(109, 74, 255, 0.08);
}

.conversation-item strong {
  overflow: hidden;
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conversation-item small {
  color: var(--studio-muted);
  font-size: 0.72rem;
}

.conversation-delete-form {
  position: absolute;
  inset-block-start: 50%;
  inset-inline-end: 0.5rem;
  margin: 0;
  opacity: 0;
  transform: translateY(-50%);
  transition: opacity 140ms ease;
}

.conversation-row:hover .conversation-delete-form,
.conversation-row:focus-within .conversation-delete-form,
.conversation-item.active + .conversation-delete-form {
  opacity: 1;
}

.conversation-delete-button {
  display: grid;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  place-items: center;
  color: #a23a46;
  border: 0;
  border-radius: 999px;
  background: rgba(194, 51, 69, 0.1);
  font-size: 1.15rem;
  line-height: 1;
}

.conversation-delete-button:hover,
.conversation-delete-button:focus-visible {
  color: #fff;
  background: #c23345;
}

.studio-workspace {
  display: flex;
  min-height: 38rem;
  flex-direction: column;
  gap: 0.85rem;
  padding: 1.15rem;
}

.conversation-context {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--studio-border);
  border-radius: 0.95rem;
  background: #fff;
}

.conversation-context div {
  display: grid;
  min-width: 0;
  gap: 0.15rem;
}

.conversation-context span,
.conversation-context small {
  color: var(--studio-muted);
  font-size: 0.72rem;
}

.conversation-context strong {
  overflow: hidden;
  font-size: 0.94rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.messages-panel {
  display: flex;
  min-height: 18rem;
  max-height: 34rem;
  flex: 1;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--studio-border);
  border-radius: 1rem;
  background: linear-gradient(180deg, #fbfbfe 0%, #f7f8fc 100%);
}

.messages-list {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1rem;
  overflow-y: auto;
}

.empty-conversation {
  margin: auto;
  padding: 2rem;
  color: var(--studio-muted);
  text-align: center;
}

.message-bubble {
  max-width: min(88%, 46rem);
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: #f0f2f7;
}

.message-bubble.user {
  align-self: flex-end;
  color: #fff;
  background: linear-gradient(135deg, #5940dc, var(--studio-primary));
  border-end-end-radius: 0.25rem;
}

.message-bubble.assistant {
  align-self: flex-start;
  border: 1px solid var(--studio-border);
  background: #fff;
  border-end-start-radius: 0.25rem;
}

.message-bubble p {
  margin: 0.35rem 0 0;
  white-space: pre-wrap;
}

.message-meta {
  color: inherit;
  font-size: 0.7rem;
  opacity: 0.68;
}

.prompt-composer {
  padding: 1.1rem;
  border: 1px solid var(--studio-border);
  border-radius: 1.1rem;
  background: linear-gradient(180deg, #fff 0%, #f9fafc 100%);
  box-shadow: 0 10px 30px rgba(27, 31, 55, 0.05);
}

.prompt-composer textarea {
  resize: vertical;
}

.creation-mode-selector {
  padding: 0;
  margin: 0;
  border: 0;
}

.creation-mode-selector legend {
  margin-bottom: 0.65rem;
  font-size: 0.9rem;
  font-weight: 800;
}

.creation-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.creation-mode-grid label {
  min-width: 0;
  cursor: pointer;
}

.creation-mode-grid input {
  position: absolute;
  opacity: 0;
}

.creation-mode-grid span {
  display: flex;
  min-height: 5.2rem;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.85rem;
  border: 1px solid var(--studio-border);
  border-radius: 0.9rem;
  background: #fff;
  transition: 160ms ease;
}

.creation-mode-grid strong {
  font-size: 0.88rem;
}

.creation-mode-grid small {
  color: var(--studio-muted);
  font-size: 0.73rem;
  line-height: 1.5;
}

.creation-mode-grid input:focus-visible + span {
  outline: 3px solid rgba(109, 74, 255, 0.2);
  outline-offset: 2px;
}

.creation-mode-grid input:checked + span {
  color: #fff;
  border-color: var(--studio-primary);
  background: linear-gradient(135deg, var(--studio-primary), #8c5cff);
  box-shadow: 0 10px 24px rgba(109, 74, 255, 0.2);
}

.creation-mode-grid input:checked + span small {
  color: rgba(255, 255, 255, 0.82);
}

.image-upload-section {
  display: grid;
  gap: 0.7rem;
}

.reuse-images-option {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(101, 73, 239, 0.24);
  border-radius: 1rem;
  background: linear-gradient(135deg, rgba(101, 73, 239, 0.08), rgba(41, 190, 173, 0.07));
  cursor: pointer;
}

.reuse-images-option input {
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  accent-color: var(--bs-primary);
}

.reuse-images-option span {
  display: grid;
  gap: 0.2rem;
}

.reuse-images-option small {
  color: var(--bs-secondary-color);
}

.audio-source-section {
  display: grid;
  gap: 0.8rem;
  padding: 1rem;
  border: 1px solid rgba(101, 73, 239, 0.18);
  border-radius: 1rem;
  background: #fff;
}

.audio-source-section legend {
  float: none;
  width: auto;
  margin: 0;
  font-size: 0.95rem;
  font-weight: 800;
}

.audio-source-section > p {
  margin: 0;
  color: var(--studio-muted);
  font-size: 0.8rem;
}

.audio-mode-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.audio-mode-grid label {
  min-width: 0;
  cursor: pointer;
}

.audio-mode-grid input {
  position: absolute;
  opacity: 0;
}

.audio-mode-grid span {
  display: grid;
  min-height: 4.4rem;
  gap: 0.25rem;
  padding: 0.75rem;
  border: 1px solid var(--studio-border);
  border-radius: 0.8rem;
  background: #fbfcff;
}

.audio-mode-grid small,
.audio-library-save-note,
.audio-track-card small {
  color: var(--studio-muted);
  font-size: 0.72rem;
}

.audio-mode-grid input:checked + span {
  color: var(--studio-primary);
  border-color: var(--studio-primary);
  background: rgba(109, 74, 255, 0.07);
  box-shadow: inset 0 0 0 1px rgba(109, 74, 255, 0.14);
}

.audio-library-panel,
.audio-upload-panel {
  padding-top: 0.2rem;
}

.audio-track-list {
  display: grid;
  gap: 0.65rem;
}

.audio-track-card {
  display: grid;
  grid-template-columns: minmax(10rem, 0.8fr) minmax(12rem, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem;
  border: 1px solid var(--studio-border);
  border-radius: 0.85rem;
  background: #fbfcff;
}

.audio-track-card label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
}

.audio-track-card label span {
  display: grid;
}

.audio-track-card input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--studio-primary);
}

.audio-track-card audio,
.custom-audio-preview audio {
  width: 100%;
  height: 2.5rem;
}

.audio-library-empty {
  padding: 1rem;
  color: var(--studio-muted);
  text-align: center;
  border: 1px dashed var(--studio-border);
  border-radius: 0.8rem;
}

.audio-upload-zone {
  display: grid;
  gap: 0.2rem;
  padding: 1rem;
  color: var(--studio-primary);
  text-align: center;
  cursor: pointer;
  border: 1.5px dashed rgba(109, 74, 255, 0.45);
  border-radius: 0.85rem;
  background: rgba(109, 74, 255, 0.04);
}

.custom-audio-preview {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.7rem;
}

.image-drop-zone {
  display: flex;
  min-height: 5.75rem;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem;
  color: var(--studio-ink);
  text-align: center;
  cursor: pointer;
  border: 1.5px dashed #b9c2d6;
  border-radius: 1rem;
  background: #fff;
  transition: 160ms ease;
}

.image-drop-zone:hover,
.image-drop-zone.dragging {
  color: var(--studio-primary);
  border-color: var(--studio-primary);
  background: rgba(109, 74, 255, 0.05);
}

.image-drop-zone small,
.selected-images-heading small {
  color: var(--studio-muted);
}

.image-drop-icon {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  color: #fff;
  border-radius: 999px;
  background: var(--studio-primary);
  font-size: 1.25rem;
}

.selected-images-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.78rem;
}

.image-preview-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(6.7rem, 1fr));
  gap: 0.65rem;
}

.image-preview-item {
  position: relative;
  min-width: 0;
  padding: 0.35rem;
  overflow: hidden;
  border: 1px solid var(--studio-border);
  border-radius: 0.85rem;
  background: #fff;
}

.image-preview-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.6rem;
  background: #eef1f7;
}

.image-preview-item small {
  display: block;
  padding: 0.35rem 0.15rem 0.1rem;
  overflow: hidden;
  font-size: 0.68rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.image-preview-remove {
  position: absolute;
  inset-block-start: 0.6rem;
  inset-inline-end: 0.6rem;
  display: grid;
  width: 1.6rem;
  height: 1.6rem;
  padding: 0;
  place-items: center;
  color: #fff;
  border: 0;
  border-radius: 999px;
  background: rgba(20, 22, 38, 0.78);
  font-size: 1rem;
}

.composer-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.9rem;
}

.composer-actions .is-loading::after {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  margin-inline-start: 0.55rem;
  vertical-align: -0.15rem;
  content: "";
  border: 2px solid currentcolor;
  border-inline-end-color: transparent;
  border-radius: 999px;
  animation: studio-spin 0.7s linear infinite;
}

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

.output-selector {
  display: flex;
  gap: 0.45rem;
}

.output-selector label {
  cursor: pointer;
}

.output-selector input {
  position: absolute;
  opacity: 0;
}

.output-selector span {
  display: block;
  min-width: 5.5rem;
  padding: 0.65rem 1rem;
  text-align: center;
  border: 1px solid var(--studio-border);
  border-radius: 0.8rem;
  background: #fff;
}

.output-selector input:checked + span {
  color: #fff;
  border-color: var(--studio-primary);
  background: var(--studio-primary);
}

.generation-result {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid rgba(0, 184, 169, 0.24);
  border-radius: 1rem;
  background: rgba(0, 184, 169, 0.06);
}

.generation-result > div {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.generation-result-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.generated-output-card,
.message-generated-output {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 0.5rem;
}

.generation-result small {
  color: var(--studio-muted);
}

.status-pill {
  padding: 0.28rem 0.6rem;
  color: #087a70;
  border-radius: 999px;
  background: rgba(0, 184, 169, 0.14);
  font-size: 0.74rem;
  font-weight: 800;
}

.generated-preview {
  display: block;
  width: 15rem;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 0.75rem;
  background: #111427;
}

.generated-thumbnail-link {
  position: relative;
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  border-radius: 0.75rem;
}

.generated-thumbnail-link span {
  position: absolute;
  inset-inline: 0.45rem;
  inset-block-end: 0.45rem;
  padding: 0.35rem 0.5rem;
  color: #fff;
  text-align: center;
  border-radius: 0.5rem;
  background: rgba(16, 19, 34, 0.78);
  font-size: 0.7rem;
}

.generated-video {
  display: block;
  width: min(100%, 38rem);
  max-height: 30rem;
  border-radius: 0.9rem;
  background: #111427;
}

.message-generated-output .generated-video {
  width: min(100%, 26rem);
}

.generation-progress {
  height: 0.55rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(0, 184, 169, 0.12);
}

.generation-progress > div {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--studio-secondary), var(--studio-primary));
}

.ai-readiness-panel {
  padding: 1.15rem;
  border: 1px solid var(--studio-border);
  border-radius: 1.2rem;
  background: #fff;
  box-shadow: 0 14px 45px rgba(27, 31, 55, 0.06);
}

.ai-readiness-panel.is-mock {
  border-color: rgba(230, 157, 48, 0.35);
  background: linear-gradient(135deg, rgba(255, 246, 224, 0.9), #fff 38%);
}

.ai-readiness-panel.is-ready {
  border-color: rgba(25, 153, 120, 0.3);
  background: linear-gradient(135deg, rgba(229, 250, 243, 0.9), #fff 38%);
}

.ai-readiness-panel.is-incomplete {
  border-color: rgba(194, 51, 69, 0.28);
}

.ai-readiness-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.ai-readiness-header h2 {
  margin: 0 0 0.25rem;
  font-size: 1.08rem;
  font-weight: 800;
}

.ai-readiness-header p {
  margin: 0;
  color: var(--studio-muted);
  font-size: 0.86rem;
}

.ai-readiness-mode {
  flex: 0 0 auto;
  padding: 0.4rem 0.65rem;
  color: #704c11;
  border-radius: 999px;
  background: #fff0c8;
  font-size: 0.76rem;
  font-weight: 800;
}

.is-ready .ai-readiness-mode {
  color: #11674f;
  background: #dff7ef;
}

.is-incomplete .ai-readiness-mode {
  color: #913040;
  background: #ffe5e9;
}

.ai-readiness-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.65rem;
}

.ai-readiness-card {
  display: grid;
  align-content: start;
  gap: 0.28rem;
  min-width: 0;
  padding: 0.8rem;
  border: 1px solid var(--studio-border);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.84);
}

.ai-readiness-card span,
.ai-readiness-card small {
  color: var(--studio-muted);
  font-size: 0.74rem;
}

.ai-readiness-card strong {
  color: #17785e;
  font-size: 0.84rem;
}

.ai-readiness-card.is-missing strong {
  color: #aa3949;
}

.ai-readiness-card code {
  display: block;
  margin-top: 0.2rem;
  overflow-wrap: anywhere;
  white-space: normal;
}

.settings-group {
  padding: 1.25rem;
}

.settings-group-title {
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid rgba(219, 224, 234, 0.72);
}

.settings-group-title h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
}

.settings-group-title span {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.88rem;
}

.settings-group-title span,
.setting-field .form-text {
  color: var(--studio-muted);
}

.setting-field {
  display: flex;
  min-height: 13.2rem;
  flex-direction: column;
  padding: 1rem;
  border: 1px solid var(--studio-border);
  border-radius: 1rem;
  background: #fafbfe;
}

.setting-field .form-label {
  display: flex;
  min-height: 3.35rem;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.setting-label {
  color: var(--studio-ink);
  font-weight: 800;
}

.setting-key {
  display: inline-flex;
  max-width: 100%;
  padding: 0.18rem 0.45rem;
  overflow: hidden;
  color: #6653a8;
  border: 1px solid rgba(109, 74, 255, 0.1);
  border-radius: 0.4rem;
  background: rgba(109, 74, 255, 0.055);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.2;
  text-overflow: ellipsis;
  unicode-bidi: isolate;
  white-space: nowrap;
}

.setting-field .form-text {
  padding-top: 0.7rem;
  margin-top: auto;
  line-height: 1.55;
}

.setting-field-boolean {
  border-color: rgba(109, 74, 255, 0.2);
  background: linear-gradient(135deg, rgba(109, 74, 255, 0.06), #fafbfe 48%);
}

.settings-save-bar {
  position: sticky;
  bottom: 1rem;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--studio-border);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 15px 45px rgba(27, 31, 55, 0.12);
  backdrop-filter: blur(14px);
}

.login-panel {
  width: min(100%, 31rem);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--studio-border);
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 28px 70px rgba(23, 26, 49, 0.13);
}

.login-mark {
  width: 3.4rem;
  height: 3.4rem;
  margin-bottom: 1.25rem;
  border-radius: 1.1rem;
}

.login-panel h1 {
  margin: 0.35rem 0 0.5rem;
  font-weight: 800;
}

.form-control {
  border-color: #dbe0ea;
  border-radius: 0.8rem;
}

.form-control:focus,
.form-check-input:focus {
  border-color: var(--studio-primary);
  box-shadow: 0 0 0 0.2rem rgba(109, 74, 255, 0.14);
}

.btn-primary {
  border-color: var(--studio-primary);
  background: linear-gradient(135deg, var(--studio-primary), #8c5cff);
}

.btn-primary:hover,
.btn-primary:focus {
  border-color: #5c39ed;
  background: linear-gradient(135deg, #5c39ed, #7748ef);
}

.admin-page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 0 1.75rem;
}

.admin-page-heading h1 {
  margin: 0.35rem 0 0.5rem;
  font-weight: 850;
  letter-spacing: -0.035em;
}

.admin-page-heading p {
  max-width: 55rem;
  margin: 0;
  color: var(--studio-muted);
}

.admin-back-link {
  display: inline-flex;
  margin-bottom: 0.75rem;
  color: var(--studio-primary);
  font-weight: 700;
  text-decoration: none;
}

.admin-card,
.admin-form-card,
.invitation-result-card {
  border: 1px solid var(--studio-border);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 14px 45px rgba(27, 31, 55, 0.065);
}

.admin-card {
  padding: clamp(1rem, 3vw, 1.5rem);
}

.admin-filter-card {
  padding: 1.25rem;
}

.admin-card-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
}

.admin-card-title h2,
.admin-form-section-title h2,
.invitation-result-card h2 {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
  font-weight: 800;
}

.admin-card-title span,
.admin-form-section-title span,
.invitation-result-card p {
  color: var(--studio-muted);
}

.admin-table {
  margin: 0;
}

.admin-table thead th {
  padding: 0.8rem 0.75rem;
  color: #7a8192;
  border-bottom-color: var(--studio-border);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.035em;
  white-space: nowrap;
}

.admin-table tbody td {
  padding: 1rem 0.75rem;
  border-bottom-color: #edf0f6;
  vertical-align: middle;
}

.admin-table tbody tr:last-child td {
  border-bottom: 0;
}

.user-identity-cell {
  display: flex;
  min-width: 14rem;
  align-items: center;
  gap: 0.75rem;
}

.user-identity-cell > div,
.usage-cell {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.user-identity-cell span:not(.user-avatar),
.usage-cell small {
  color: var(--studio-muted);
  font-size: 0.82rem;
}

.user-avatar {
  display: grid;
  flex: 0 0 2.65rem;
  width: 2.65rem;
  height: 2.65rem;
  place-items: center;
  color: #fff;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, var(--studio-primary), #a66cff);
  font-size: 0.78rem;
  font-weight: 850;
}

.role-chip,
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  white-space: nowrap;
}

.role-chip {
  color: #5740be;
  background: #f0edff;
}

.status-pill.is-active,
.invitation-status-accepted {
  color: #08786e;
  background: #dcf9f4;
}

.status-pill.is-inactive,
.invitation-status-revoked {
  color: #b4233a;
  background: #fff0f2;
}

.invitation-status-pending {
  color: #6348d7;
  background: #f0edff;
}

.invitation-status-expired {
  color: #775f17;
  background: #fff7db;
}

.email-status-sent {
  color: #08786e;
  background: #dcf9f4;
}

.email-status-queued,
.email-status-sending {
  color: #5740be;
  background: #f0edff;
}

.email-status-retrying {
  color: #775f17;
  background: #fff7db;
}

.email-status-failed,
.email-status-notqueued {
  color: #b4233a;
  background: #fff0f2;
}

.delivery-attempts {
  display: block;
  margin-top: 0.3rem;
  color: var(--studio-muted);
  font-size: 0.72rem;
}

.admin-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
}

.admin-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--studio-border);
}

.admin-pagination span {
  color: var(--studio-muted);
  font-size: 0.9rem;
}

.compact-empty-state {
  margin: 1rem auto;
  padding: 2rem;
  border: 0;
  box-shadow: none;
}

.compact-empty-state h3 {
  margin: 0.75rem 0 0.35rem;
  font-size: 1.1rem;
}

.compact-empty-state p {
  margin: 0;
  color: var(--studio-muted);
}

.admin-form-card {
  max-width: 62rem;
  padding: clamp(1.25rem, 4vw, 2rem);
}

.admin-form-section + .admin-form-section {
  padding-top: 1.75rem;
  margin-top: 1.75rem;
  border-top: 1px solid var(--studio-border);
}

.admin-form-section-title {
  margin-bottom: 1.2rem;
}

.admin-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 1.5rem;
  margin-top: 1.75rem;
  border-top: 1px solid var(--studio-border);
}

.admin-switch {
  display: flex;
  gap: 0.75rem;
  padding: 1rem 3rem 1rem 1rem;
  border: 1px solid var(--studio-border);
  border-radius: 1rem;
  background: #fafbfe;
}

.admin-switch label {
  display: flex;
  flex-direction: column;
}

.admin-switch label span {
  color: var(--studio-muted);
  font-size: 0.85rem;
}

.invitation-create-card {
  position: sticky;
  top: 1rem;
}

.admin-inline-filter {
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--studio-border);
}

.invitation-result-card {
  padding: 1.35rem;
  margin-bottom: 1.5rem;
  border-color: rgba(109, 74, 255, 0.25);
  background: linear-gradient(135deg, #fff, #f6f3ff);
}

.invitation-link-row {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
}

.invitation-link-row input {
  background: #fff;
}

.invitation-delivery-tracker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 0.9rem;
  margin-top: 0.85rem;
  color: #5740be;
  border-radius: 0.8rem;
  background: #f0edff;
  font-size: 0.88rem;
  font-weight: 700;
}

.invitation-delivery-tracker.is-sent {
  color: #08786e;
  background: #dcf9f4;
}

.invitation-delivery-tracker.is-failed {
  color: #b4233a;
  background: #fff0f2;
}

.form-note,
.invitation-only-note {
  padding: 0.85rem 1rem;
  margin: 1rem 0 0;
  color: var(--studio-muted);
  border-radius: 0.85rem;
  background: #f5f6fa;
  font-size: 0.84rem;
  line-height: 1.55;
}

.registration-panel {
  width: min(100%, 38rem);
}

.invited-email {
  padding: 0.8rem 1rem;
  margin-top: 1rem;
  color: #5036c6;
  border: 1px solid rgba(109, 74, 255, 0.2);
  border-radius: 0.85rem;
  background: #f6f3ff;
  font-weight: 700;
  text-align: center;
}

.invitation-invalid-state {
  padding: 1.5rem;
  margin-top: 1.5rem;
  text-align: center;
  border-radius: 1rem;
  background: #fff4f5;
}

.invitation-invalid-state strong {
  display: block;
  margin-bottom: 0.5rem;
  color: #b4233a;
  font-size: 1.1rem;
}

.invitation-invalid-state p {
  color: var(--studio-muted);
}

.validation-summary-valid {
  display: none;
}

.swal2-container {
  z-index: 2100;
}

.app-swal-popup {
  padding: 1.5rem;
  border: 1px solid var(--studio-border);
  border-radius: 1.35rem;
  box-shadow: 0 24px 70px rgba(23, 26, 49, 0.2);
  font-family: inherit;
}

.app-swal-popup .swal2-title {
  color: var(--studio-ink);
  font-size: 1.45rem;
  font-weight: 800;
}

.app-swal-popup .swal2-html-container {
  color: var(--studio-muted);
  font-size: 1rem;
  line-height: 1.7;
}

.app-swal-popup .swal2-actions {
  gap: 0.65rem;
}

.app-swal-button {
  min-width: 7rem;
}

.app-swal-rtl {
  direction: rtl;
  text-align: right;
}

.app-swal-rtl .swal2-title,
.app-swal-rtl .swal2-html-container {
  text-align: right;
}

.app-swal-toast {
  border: 1px solid rgba(109, 74, 255, 0.14);
  border-radius: 0.9rem;
  box-shadow: 0 16px 45px rgba(23, 26, 49, 0.16);
  font-family: inherit;
}

.empty-state {
  max-width: 38rem;
  margin: 4rem auto;
  padding: 3rem;
  text-align: center;
  border: 1px solid var(--studio-border);
  border-radius: 1.5rem;
  background: #fff;
}

.app-footer {
  padding: 1rem 0;
  color: var(--studio-muted);
  border-top: 1px solid var(--studio-border);
  background: rgba(255, 255, 255, 0.72);
}

.app-footer .container {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

[dir="rtl"] .form-check {
  padding-right: 1.5em;
  padding-left: 0;
}

[dir="rtl"] .form-check .form-check-input {
  float: right;
  margin-right: -1.5em;
  margin-left: 0;
}

@media (max-width: 575.98px) {
  .app-main {
    padding-top: 1.5rem;
  }

  .hero-card {
    min-height: 230px;
    border-radius: 1.25rem;
  }

  .hero-orb {
    opacity: 0.5;
  }

  .app-footer .container {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 991.98px) {
  .admin-page-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .invitation-create-card {
    position: static;
  }

  .studio-layout {
    grid-template-columns: 1fr;
  }

  .conversation-sidebar {
    position: static;
    max-height: none;
    min-height: auto;
  }

  .conversation-list {
    display: flex;
    max-height: none;
    padding-bottom: 0.35rem;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: inline mandatory;
  }

  .conversation-row {
    flex: 0 0 min(18rem, calc(100vw - 4.5rem));
    scroll-snap-align: start;
  }

  .conversation-delete-form {
    opacity: 1;
  }

  .creation-mode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ai-readiness-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 575.98px) {
  .admin-page-heading .btn {
    width: 100%;
  }

  .invitation-link-row,
  .admin-form-actions {
    flex-direction: column;
  }

  .admin-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .composer-actions,
  .settings-save-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .output-selector,
  .output-selector label {
    flex: 1;
  }

  .message-bubble {
    max-width: 96%;
  }

  .creation-mode-grid {
    grid-template-columns: 1fr;
  }

  .audio-mode-grid,
  .audio-track-card {
    grid-template-columns: 1fr;
  }

  .conversation-context {
    align-items: flex-start;
    flex-direction: column;
  }

  .conversation-delete-form {
    opacity: 1;
  }

  .ai-readiness-header {
    flex-direction: column;
  }

  .ai-readiness-grid {
    grid-template-columns: 1fr;
  }
}