:root {
  --bg: #f6f8fc;
  --panel: #ffffff;
  --panel-2: #f1f3f4;
  --text: #202124;
  --muted: #5f6368;
  --accent: #1a73e8;
  --accent-soft: #e8f0fe;
  --border: #e0e3e7;
  --danger: #be123c;
  --shadow: 0 6px 18px rgba(60, 64, 67, 0.12);
  --shadow-strong: 0 18px 40px rgba(32, 33, 36, 0.14);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

.hidden {
  display: none !important;
}

body {
  font-family: "Manrope", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

button,
input,
textarea,
select {
  font-family: inherit;
  font-size: 0.95rem;
}

button {
  cursor: pointer;
}

label {
  display: grid;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--muted);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  background: #fff;
  color: var(--text);
}

textarea {
  resize: vertical;
  min-height: 160px;
}

.primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 600;
  margin-top: 8px;
  box-shadow: var(--shadow);
}

.ghost {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 10px;
  padding: 8px 14px;
  font-weight: 600;
}

.status {
  font-size: 0.85rem;
  color: var(--muted);
  margin-top: 8px;
}

.auth-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.auth-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.auth-brand h1 {
  font-size: 1.2rem;
}

.auth-sub {
  color: var(--muted);
}

.auth-form {
  display: grid;
  gap: 16px;
}

.downloader-form {
  display: grid;
  gap: 16px;
  max-width: 520px;
}

.downloader-result {
  margin-top: 12px;
  display: grid;
  gap: 8px;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  display: grid;
  place-items: center;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.top-left {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.brand-name {
  font-size: 1rem;
  display: block;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--muted);
}

.version-badge {
  margin-left: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(26, 115, 232, 0.25);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-button {
  border: none;
  background: transparent;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-menu {
  position: absolute;
  top: 64px;
  right: 24px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-strong);
  padding: 16px;
  min-width: 240px;
  display: grid;
  gap: 12px;
  z-index: 20;
}

.profile-header {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 10px;
  align-items: center;
}

.profile-meta {
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
}

.profile-meta span {
  color: var(--muted);
  font-size: 0.8rem;
}

.profile-metric {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--muted);
}

.profile-metric strong {
  color: var(--text);
}

.profile-actions {
  display: grid;
  gap: 8px;
}

.avatar.small {
  width: 40px;
  height: 40px;
}

.chip {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--panel-2);
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--muted);
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.avatar.has-image {
  color: transparent;
}

.workspace {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 64px);
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nav-section {
  display: grid;
  gap: 8px;
}

.nav-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-item {
  border: none;
  background: transparent;
  padding: 10px 12px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text);
}

.nav-item svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
}

.nav-item:hover,
.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
}

.nav-item:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.logout {
  margin-top: auto;
}

.content {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.credit-banner {
  border-radius: 12px;
  padding: 10px 12px;
  background: #e8f0fe;
  border: 1px solid #d2e3fc;
  color: #1a73e8;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.credit-banner.error {
  background: #fce8e6;
  border-color: #f28b82;
  color: #c5221f;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.content-header h2 {
  font-size: 1.4rem;
}

.content-header p {
  color: var(--muted);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 20px;
  display: grid;
  gap: 16px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.settings-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.dashboard-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.dashboard-metrics {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: var(--panel-2);
  display: grid;
  gap: 8px;
}

.metric-card h4 {
  font-size: 0.9rem;
  color: var(--muted);
}

.metric-value {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}

.progress-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: #e8eaed;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.3s ease;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.account-info {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.account-info strong {
  color: var(--text);
}

.muted {
  color: var(--muted);
}

.tab-header {
  display: inline-flex;
  gap: 8px;
  background: var(--panel-2);
  padding: 6px;
  border-radius: 999px;
}

.tab-button {
  border: none;
  background: transparent;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
  color: var(--muted);
}

.tab-button.active {
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow);
}

.tab-body {
  padding-top: 8px;
}

.user-form {
  display: grid;
  gap: 16px;
}

.user-list {
  display: grid;
  gap: 8px;
}

.user-row-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #fff;
}

.user-row-bar .meta {
  display: grid;
  gap: 4px;
}

.user-row-bar .meta span {
  color: var(--muted);
  font-size: 0.85rem;
}

.user-row-bar .actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.user-row-bar.banned {
  background: #fce8e6;
  border-color: #f28b82;
}

.user-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.user-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.user-overview {
  display: grid;
  grid-template-columns: minmax(280px, 1.3fr) minmax(200px, 0.7fr);
  gap: 16px;
}

.user-summary {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: var(--panel-2);
  display: grid;
  gap: 10px;
  align-content: start;
}

.user-summary .metric {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--muted);
}

.user-summary .metric strong {
  color: var(--text);
}

.user-section {
  display: grid;
  gap: 8px;
}

.user-projects {
  display: grid;
  gap: 8px;
}

.project-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--muted);
}

.project-row strong {
  color: var(--text);
}

.temp-password {
  font-size: 0.85rem;
  color: var(--muted);
}

.temp-password strong {
  color: var(--text);
}

.user-logins {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: grid;
  gap: 8px;
  background: var(--panel-2);
}

.login-row {
  display: grid;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.login-row strong {
  color: var(--text);
}

@media (max-width: 840px) {
  .user-overview {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .projects-grid {
    justify-items: stretch;
  }

  .project-card {
    max-width: 100%;
  }
}

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 50;
}

.modal[hidden] {
  display: none !important;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(32, 33, 36, 0.5);
}

.modal-card {
  position: relative;
  background: #fff;
  border-radius: 18px;
  padding: 24px;
  width: min(860px, 92vw);
  max-height: 85vh;
  overflow: auto;
  box-shadow: 0 24px 60px rgba(60, 64, 67, 0.3);
  display: grid;
  gap: 16px;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.projects-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: start;
  justify-items: start;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  background: #fff;
  display: grid;
  gap: 10px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 320px;
}

.project-card video {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  height: 240px;
  max-height: 240px;
  object-fit: cover;
}

.video-placeholder {
  width: 100%;
  height: 240px;
  border-radius: 12px;
  border: 1px dashed var(--border);
  background: var(--panel-2);
  color: var(--muted);
  display: grid;
  place-items: center;
  font-weight: 600;
}

.project-card .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.empty-state {
  text-align: center;
  color: var(--muted);
  display: grid;
  gap: 8px;
  padding: 40px 24px;
}

/* Tool layout */
.tool-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.layout {
  display: grid;
  gap: 20px;
  grid-template-columns: 390px 1fr;
}

.layout.no-viewer {
  grid-template-columns: 1fr;
}

.card {
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-strong);
  background: var(--panel);
}

.controls {
  padding: 22px;
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  border: 1px solid #e3e7ee;
  border-radius: 16px;
  padding: 14px;
  background: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.step[data-state="active"] {
  border-color: #aecbfa;
  box-shadow: 0 14px 30px rgba(26, 115, 232, 0.12);
}

.step[data-state="done"] {
  border-color: #c6dafc;
  background: #f6faff;
}

.step[data-state="locked"] {
  opacity: 0.7;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.step-index {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: #e8f0fe;
  color: #1a73e8;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-title {
  font-weight: 700;
}

.step-sub {
  font-size: 0.82rem;
  color: var(--muted);
}

.step-body {
  margin-top: 12px;
  display: none;
}

.step[data-state="active"] .step-body {
  display: block;
}

.step-next {
  margin-top: 8px;
}

.label {
  display: block;
  font-size: 0.9rem;
  font-weight: 800;
  margin: 0 0 7px;
}

.input,
.select,
.button {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  padding: 10px 12px;
  font-size: 0.97rem;
}

.input,
.select {
  margin-bottom: 12px;
}

.button {
  cursor: pointer;
  font-weight: 700;
  transition: 0.18s ease;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent) 0%, #4285f4 100%);
  border-color: #185abc;
  color: #fff;
  box-shadow: 0 10px 18px rgba(26, 115, 232, 0.22);
}

.button:hover {
  filter: brightness(0.98);
}

.button:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

.dual-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 11px;
}

.triple-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 11px;
}

.button.active {
  background: #e8f0fe;
  border-color: #a8c7fa;
}

.tip {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 12px;
}

.range-wrap {
  margin-bottom: 12px;
}

.range-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  font-size: 0.84rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.range-input {
  width: 100%;
  margin: 0 0 9px;
}

.check-row {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--muted);
  margin: 6px 0 12px;
}

.anim-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.anim-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: #fbfcfc;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.anim-card.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.anim-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.12);
}

.style-name {
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 6px;
}

.anim-preview {
  border-radius: 10px;
  height: 54px;
  background: radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.12), transparent 60%),
    linear-gradient(120deg, #1f2937 0%, #0b1320 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.sample-anim {
  font-weight: 900;
  color: #ffffff;
  letter-spacing: 0.02em;
}

@keyframes animZoom {
  0% {
    transform: scale(0.6);
  }
  55% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes animFade {
  0% {
    opacity: 0;
    transform: scale(1);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes animSquish {
  0% {
    transform: scaleX(0.6) scaleY(1.2);
  }
  55% {
    transform: scaleX(1.2) scaleY(0.95);
  }
  100% {
    transform: scaleX(1) scaleY(1);
  }
}

.anim-card:hover .sample-anim.anim-zoom {
  animation: animZoom 0.85s ease-in-out;
}

.anim-card:hover .sample-anim.anim-fade {
  animation: animFade 0.85s ease-in-out;
}

.anim-card:hover .sample-anim.anim-squish {
  animation: animSquish 0.85s ease-in-out;
}

.progress-wrap {
  margin: 14px 0 11px;
}

.progress {
  width: 100%;
  height: 8px;
  border: 0;
  appearance: none;
}

.progress::-webkit-progress-bar {
  background: #e8ecec;
  border-radius: 999px;
}

.progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--accent) 0%, #4285f4 100%);
  border-radius: 999px;
}

.meta {
  margin: 5px 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.meta.error {
  color: var(--danger);
}

.viewer {
  padding: 18px;
}

.viewer.final canvas,
.viewer.final .overlay-action {
  display: none;
}

.stage {
  width: min(430px, 100%);
  aspect-ratio: 9 / 16;
  position: relative;
  margin: 0 auto;
  border-radius: 14px;
  overflow: hidden;
  background: #0b1320;
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.18);
}

.overlay-action {
  position: absolute;
  left: 10px;
  top: 10px;
  right: auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(15, 23, 42, 0.8);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 8px 16px rgba(15, 23, 42, 0.3);
  transition: transform 0.15s ease, background 0.15s ease;
  z-index: 3;
}

.overlay-action:hover {
  transform: scale(1.05);
  background: rgba(26, 115, 232, 0.9);
}

.stage video,
.stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.stage canvas {
  position: absolute;
  inset: 0;
}

.result {
  margin-top: 14px;
}

.result video {
  width: min(260px, 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.result-actions {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.import-block {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  background: #f8f9fb;
  margin-bottom: 12px;
}

@media (max-width: 1200px) {
  .layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 12px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    align-items: center;
  }

  .logout {
    margin-top: 0;
  }
}

@media (max-width: 720px) {
  .topbar {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
    gap: 12px;
  }

  .content {
    padding: 16px;
  }

  .sidebar {
    padding: 12px;
  }

  .content-header {
    align-items: flex-start;
  }
}