:root {
  --color-bg: #232332;
  --color-surface: #1e1e2d;
  --color-surface-soft: #2a2a3d;
  --color-border: #3a3a5c;
  --color-text: #ffffff;
  --color-text-muted: #a3a3c2;
  --color-primary: #6464ff;
  --color-primary-hover: #7575ff;
  --color-primary-shadow: rgba(100, 100, 255, 0.3);
  --color-danger: #ff9b9b;
  --color-danger-bg: rgba(255, 100, 100, 0.15);
  --color-success: #b9ffcc;
  --color-success-bg: rgba(100, 255, 140, 0.14);
  --color-warning: #ffe27a;
  --color-warning-bg: rgba(255, 225, 0, 0.12);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --shadow-card: 0 8px 20px rgba(0, 0, 0, 0.24);
  --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  line-height: 1.5;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: none;
}

.header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-bg);
}

.header__inner {
  width: min(1680px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.header__user {
  font-size: .85rem;
  color: var(--color-text-muted);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: .2rem;
  padding: .15rem .45rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
}

.lang-switch__link,
.lang-switch__sep {
  font-size: .74rem;
  color: var(--color-text-muted);
}

.lang-switch__link--active {
  color: var(--color-text);
}

.main {
  width: min(1680px, calc(100% - 32px));
  margin: 0 auto;
  padding: 20px 0 30px;
  flex: 1;
}

.footer {
  text-align: center;
  padding: 14px;
  font-size: .8rem;
  color: var(--color-text-muted);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 18px;
}

.card--table {
  overflow-x: auto;
}

.card__title {
  font-size: clamp(1.9rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin-bottom: .25rem;
}

.card__subtitle {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.btn {
  min-width: 120px;
  padding: 12px 24px;
  border: none;
  border-radius: 12px;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  cursor: pointer;
  transition: all .3s ease;
  text-decoration: none !important;
  white-space: nowrap;
}

.btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--color-primary-shadow);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn--outline:hover {
  background: var(--color-surface-soft);
}

.btn--danger {
  background: var(--color-danger-bg);
  border: 1px solid rgba(255, 100, 100, 0.6);
  color: #ffd3d3;
}

.btn--danger:hover {
  background: rgba(255, 100, 100, 0.28);
}

.btn--sm {
  min-width: 0;
  padding: 8px 12px;
  font-size: 13px;
}

.btn--full {
  width: 100%;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__label {
  font-size: .875rem;
  font-weight: 600;
  color: var(--color-text);
}

.form__input {
  width: 100%;
  padding: 12px 16px;
  font: inherit;
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-surface-soft);
  border: 2px solid var(--color-border);
  border-radius: 12px;
  outline: none;
  transition: all .3s ease;
}

.form__input::placeholder {
  color: #6a6a8a;
}

.form__input:focus {
  border-color: var(--color-primary);
  background: #2e2e42;
  box-shadow: 0 0 0 3px rgba(100, 100, 255, 0.2);
}

.form__hint {
  font-size: .78rem;
  color: var(--color-text-muted);
}

.auth-wrap {
  min-height: calc(100vh - 180px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 0;
}

.auth-card {
  width: min(600px, 100%);
  min-height: 225px;
  border: 5px outset var(--color-primary);
  border-radius: 45px;
}

.auth-card__footer {
  margin-top: 1.2rem;
  text-align: center;
  color: var(--color-text-muted);
  font-size: .875rem;
}

.alert {
  margin-bottom: .9rem;
  padding: .75rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  font-size: .85rem;
}

.alert--success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.alert--error {
  background: var(--color-danger-bg);
  color: #ffd3d3;
}

.alert--warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.dashboard {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.dashboard__header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.dashboard__title {
  font-size: 2rem;
  font-weight: 700;
}

.dashboard__count {
  padding: .2rem .7rem;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-muted);
  font-size: .85rem;
}

.file-manager {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 1rem;
}

.file-manager__sidebar,
.file-manager__content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sidebar__header,
.workspace-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
}

.section-title,
.workspace-head__title {
  font-size: 1.05rem;
  font-weight: 600;
}

.workspace-head__path,
.empty-inline,
.folder-item__meta,
.dropzone__hint,
.progress-label,
.empty-state__hint {
  color: var(--color-text-muted);
  font-size: .82rem;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}

.breadcrumbs__link,
.breadcrumbs__sep {
  font-size: .8rem;
  color: var(--color-text-muted);
}

.breadcrumbs__link--current {
  color: var(--color-text);
  pointer-events: none;
}

.folder-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .7rem;
  align-items: center;
}

.folder-grid {
  display: grid;
  gap: .7rem;
}

.folder-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .9rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  cursor: pointer;
  transition: all .2s;
}

.folder-item:hover {
  border-color: var(--color-primary);
  background: #232332;
}

.folder-item--up {
  border-style: dashed;
}

.folder-item--selected {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(100, 100, 255, 0.15);
}

.folder-item:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.folder-item__icon {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--color-surface-soft);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.folder-item__body {
  flex: 1;
  min-width: 0;
}

.folder-item__controls {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: .5rem;
  margin-top: .45rem;
  flex-wrap: wrap;
}

.permission-switch--folder {
  max-width: 100%;
}

.folder-item__name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.upload-card__title {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  margin-bottom: .8rem;
}

.upload-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  min-height: 210px;
  padding: 1.4rem;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  text-align: center;
  cursor: pointer;
  transition: all .2s;
}

.dropzone:hover,
.dropzone--active {
  border-color: var(--color-primary);
  background: #2a2a3d;
}

.dropzone__icon {
  font-size: 2.4rem;
}

.dropzone__text {
  font-size: .95rem;
}

.dropzone__input {
  display: none;
}

.progress-wrap {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.progress-bar {
  height: 8px;
  width: 0%;
  border-radius: 4px;
  background: var(--color-primary);
  transition: width .2s;
}

.file-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 8px;
  table-layout: fixed;
  font-size: .88rem;
}

.file-table__col--name { width: 30%; }
.file-table__col--type { width: 28%; }
.file-table__col--size { width: 11%; }
.file-table__col--date { width: 13%; }
.file-table__col--access { width: 11%; }
.file-table__col--actions { width: 220px; }

.file-table th {
  text-align: left;
  padding: .65rem .75rem;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-weight: 600;
}

.file-table td {
  padding: .8rem .75rem;
  vertical-align: middle;
  overflow: hidden;
  background: var(--color-bg);
}

.file-table__row td {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  height: 72px;
}

.file-table__row td:first-child {
  border-left: 1px solid var(--color-border);
}

.file-table__row td:last-child {
  border-right: 1px solid var(--color-border);
}

.file-table__row:hover td,
.file-table__row:focus-within td {
  background: #232332;
}

.file-table__row:hover td,
.file-table__row:focus-within td {
  border-top-color: #4b4b72;
  border-bottom-color: #4b4b72;
}

.file-table__row:hover td:first-child,
.file-table__row:focus-within td:first-child {
  border-left-color: #4b4b72;
}

.file-table__row:hover td:last-child,
.file-table__row:focus-within td:last-child {
  border-right-color: #4b4b72;
}

.file-table__name {
  display: flex;
  align-items: center;
  gap: .45rem;
  min-width: 0;
  height: 100%;
}

.file-table__name-text {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-icon {
  flex: 0 0 auto;
}

.file-table__type code {
  display: inline-block;
  width: 100%;
  max-width: 100%;
  padding: .2rem .45rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.permission-switch {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  user-select: none;
  cursor: pointer;
}

.permission-switch__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.permission-switch__track {
  position: relative;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: var(--color-border);
  flex: 0 0 auto;
  transition: background .18s ease;
}

.permission-switch__thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform .18s ease;
}

.permission-switch__input:checked + .permission-switch__track {
  background: var(--color-primary);
}

.permission-switch__input:checked + .permission-switch__track .permission-switch__thumb {
  transform: translateX(18px);
}

.permission-switch__label {
  font-size: .82rem;
  color: var(--color-text-muted);
}

.permission-switch__input--folder + .permission-switch__track {
  width: 40px;
  height: 22px;
}

.permission-switch__input--folder + .permission-switch__track .permission-switch__thumb {
  width: 16px;
  height: 16px;
}

.permission-switch__input--folder:checked + .permission-switch__track .permission-switch__thumb {
  transform: translateX(18px);
}

.file-table__actions {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: .45rem;
  align-items: center;
}

.file-table__action-btn {
  width: auto;
  min-width: 88px;
}

.file-table__share-btn {
  width: 38px;
  min-width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex: 0 0 38px;
}

.file-table__delete-btn {
  width: 38px;
  min-width: 38px;
  height: 38px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex: 0 0 38px;
}

.file-table__size,
.file-table__date,
.file-table__access {
  white-space: nowrap;
}

.inline-form {
  display: inline;
}

.file-table__actions .inline-form {
  display: inline-flex;
  align-items: center;
}

.empty-state {
  text-align: center;
  padding: 3rem 1.5rem;
}

.empty-state__icon {
  font-size: 3.3rem;
  margin-bottom: .8rem;
}

.empty-state__text {
  margin-bottom: .4rem;
  font-size: 1rem;
  color: var(--color-text);
}

.shared-page {
  min-height: calc(100vh - 220px);
  display: grid;
  place-items: center;
  padding: 20px 0;
}

.shared-card {
  width: min(860px, 100%);
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(100, 100, 255, 0.14), transparent 48%),
    var(--color-surface);
  box-shadow: var(--shadow-card);
}

.shared-card__badge {
  display: inline-flex;
  padding: .32rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
  margin-bottom: .9rem;
}

.shared-card__title {
  font-size: clamp(1.4rem, 2.7vw, 2rem);
  line-height: 1.25;
  margin-bottom: 1.2rem;
  word-break: break-word;
}

.shared-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .8rem;
  margin-bottom: 1.2rem;
}

.shared-meta__item {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: .7rem .85rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.08);
}

.shared-meta__label {
  color: var(--color-text-muted);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.shared-meta__value {
  font-size: .92rem;
  word-break: break-word;
}

.shared-meta__value--truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.shared-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-bottom: .8rem;
}

.shared-actions__btn--disabled {
  pointer-events: none;
  opacity: .6;
}

.shared-note {
  color: var(--color-text-muted);
  font-size: .82rem;
}

@media (max-width: 980px) {
  .file-manager {
    grid-template-columns: 1fr;
  }

  .dashboard__header,
  .workspace-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .header__inner,
  .main {
    width: calc(100% - 16px);
  }

  .folder-form {
    grid-template-columns: 1fr;
  }

  .file-table__type,
  .file-table__date,
  .file-table__access {
    display: none;
  }

  .file-table__col--type,
  .file-table__col--date,
  .file-table__col--access {
    width: 0;
  }

  .file-table__actions {
    flex-wrap: wrap;
  }
}

@media (max-width: 620px) {
  .header__user {
    display: none;
  }

  .card {
    padding: 14px;
    border-radius: 20px;
  }

  .auth-card {
    border-width: 4px;
    border-radius: 30px;
  }

  .dashboard__title {
    font-size: 1.5rem;
  }

  .file-table__col--actions {
    width: 150px;
  }

  .shared-meta {
    grid-template-columns: 1fr;
  }
}