:root {
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f7f8fb;
  --panel: #ffffff;
  --line: #dce1e8;
  --text: #171b22;
  --muted: #667085;
  --green: #0f7a4f;
  --green-dark: #0a5f3c;
  --gold: #d69a28;
  --red: #c0392b;
  --shadow: 0 18px 45px rgba(34, 42, 53, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

button,
input {
  font: inherit;
}

button,
.button-link {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  min-height: 38px;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.button-link:hover {
  border-color: #b9c2cf;
}

.primary {
  background: var(--green);
  border-color: var(--green);
  color: white;
  font-weight: 700;
}

.primary:hover {
  background: var(--green-dark);
}

.home-screen,
.auth-screen,
.drop-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(15, 122, 79, 0.14), transparent 36%),
    linear-gradient(315deg, rgba(214, 154, 40, 0.18), transparent 38%),
    var(--bg);
}

.home-hero {
  width: min(620px, 100%);
  display: grid;
  gap: 12px;
}

.home-hero h1 {
  font-size: 42px;
  margin-bottom: 8px;
}

.home-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.auth-panel,
.drop-panel {
  width: min(480px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 32px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: var(--green);
  color: white;
  border-radius: 8px;
  font-weight: 800;
}

h1 {
  margin: 10px 0 20px;
  font-size: 28px;
  line-height: 1.15;
}

.stack {
  display: grid;
  gap: 16px;
}

label span,
.eyebrow,
.section-title {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 42px;
  padding: 9px 11px;
  background: white;
}

.form-message {
  min-height: 20px;
  margin: 0;
  color: var(--green-dark);
  font-weight: 700;
}

.drive-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
}

.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 20px;
  display: grid;
  align-content: start;
  gap: 22px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
}

.sidebar-brand span {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

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

.nav-list button {
  text-align: left;
}

.nav-list .active {
  border-color: rgba(15, 122, 79, 0.32);
  background: rgba(15, 122, 79, 0.08);
  color: var(--green-dark);
  font-weight: 700;
}

.collections {
  display: grid;
  gap: 12px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.icon-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
}

.inline-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

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

.collection-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  align-items: center;
}

.collection-name,
.copy-link {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-name {
  text-align: left;
  display: grid;
  gap: 2px;
  grid-column: 1 / -1;
}

.collection-name small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
}

.copy-link {
  font-size: 13px;
}

.drive-main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.topbar {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: rgba(247, 248, 251, 0.9);
  border-bottom: 1px solid var(--line);
}

.topbar h1 {
  margin: 2px 0 0;
}

.content-band {
  padding: 22px 28px 36px;
}

.toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.search-input {
  width: min(260px, 48vw);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.breadcrumbs button::after {
  content: "/";
  color: var(--muted);
  margin-left: 8px;
}

.breadcrumbs button:last-child::after {
  content: "";
  margin: 0;
}

.drive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 14px;
}

.drive-card {
  position: relative;
  min-height: 164px;
  display: grid;
  align-content: start;
  gap: 10px;
  text-align: left;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  overflow: hidden;
}

.drive-card strong {
  min-width: 0;
  font-size: 14px;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.drive-card span {
  color: var(--muted);
  font-size: 12px;
}

.folder-card {
  min-height: 124px;
  padding-top: 62px;
}

.folder-tab {
  position: absolute;
  top: 14px;
  left: 14px;
  width: 62px;
  height: 34px;
  border-radius: 6px;
  background: #f2c56c;
}

.folder-tab::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 0;
  width: 34px;
  height: 12px;
  border-radius: 5px 5px 0 0;
  background: #e5b64f;
}

.thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  background: #eef2f6;
  border-radius: 6px;
  overflow: hidden;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-thumb {
  position: relative;
  width: 100%;
  height: 100%;
}

.play-badge {
  position: absolute;
  right: 8px;
  bottom: 8px;
  display: inline-grid;
  place-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(23, 27, 34, 0.78);
  color: white;
  font-size: 11px;
  font-weight: 800;
}

.file-badge,
.preview-file {
  color: var(--green-dark);
  font-weight: 800;
  letter-spacing: 0;
}

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 28px;
  color: var(--muted);
  background: white;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}

.status-card,
.path-panel,
.media-row,
.duplicate-panel,
.duplicate-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.status-card {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.status-card span,
.path-panel span,
.media-row span,
.duplicate-group span {
  color: var(--muted);
  font-size: 13px;
}

.status-card strong {
  font-size: 22px;
}

.path-panel {
  margin-top: 16px;
  display: grid;
  gap: 6px;
  padding: 16px;
}

.media-list {
  display: grid;
  gap: 10px;
}

.media-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px;
}

.media-row div:first-child {
  min-width: 0;
  display: grid;
  gap: 4px;
}

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

.duplicate-panel {
  margin-top: 18px;
  padding: 16px;
}

.duplicate-panel h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.duplicate-group {
  display: grid;
  gap: 4px;
  padding: 12px;
  margin-top: 8px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(23, 27, 34, 0.55);
  display: grid;
  place-items: center;
  padding: 24px;
}

.preview-modal {
  width: min(900px, 96vw);
  max-height: 92vh;
  background: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
}

.preview-modal header,
.preview-modal footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.preview-modal footer {
  border-bottom: 0;
  border-top: 1px solid var(--line);
}

.preview-body {
  min-height: 280px;
  display: grid;
  place-items: center;
  background: #101418;
}

.preview-body img,
.preview-body video {
  max-width: 100%;
  max-height: 70vh;
}

.drop-form {
  display: grid;
  gap: 14px;
}

.drop-zone {
  min-height: 190px;
  display: grid;
  place-items: center;
  border: 2px dashed #b8c3cf;
  border-radius: 8px;
  background: #fafbfc;
  text-align: center;
  cursor: pointer;
}

.drop-zone input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.selected-files {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
}

.selected-files li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

progress {
  width: 100%;
  height: 12px;
  accent-color: var(--green);
}

.muted {
  color: var(--muted);
  margin: 0;
}

@media (max-width: 820px) {
  .drive-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .topbar,
  .content-band {
    padding-left: 18px;
    padding-right: 18px;
  }

  .toolbar,
  .media-row {
    display: grid;
  }

  .toolbar-actions,
  .row-actions {
    justify-content: stretch;
  }

  .toolbar-actions > *,
  .row-actions > * {
    width: 100%;
  }
}