:root {
  --paper: #edeff1;
  --panel: #ffffff;
  --ink: #1c2430;
  --steel: #64707d;
  --hairline: #d7dbde;
  --stamp: #c4491f;
  --stamp-hover: #a63c18;
  --stamp-soft: #f4e4dc;
  --ok: #2f6b4f;
  --ok-soft: #e4f0ea;
  --danger: #9b2c2c;
  --danger-soft: #f8e8e8;
  --shadow: 0 1px 0 rgba(28, 36, 48, 0.04), 0 12px 32px rgba(28, 36, 48, 0.06);
  --radius: 6px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Cascadia Code", "Consolas", monospace;
  --focus: 0 0 0 3px color-mix(in srgb, var(--stamp) 35%, white);
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  color: var(--ink);
  background:
    linear-gradient(180deg, #e7eaee 0%, var(--paper) 140px),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 23px,
      color-mix(in srgb, var(--hairline) 55%, transparent) 24px
    );
  background-attachment: fixed;
  line-height: 1.45;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.brand {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--stamp);
  font-weight: 600;
}

.lede,
.sub,
.muted,
.stats {
  color: var(--steel);
}

.mono-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0;
}

/* —— Focus —— */
:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

/* —— Buttons —— */
.btn {
  appearance: none;
  border: 1px solid var(--hairline);
  background: var(--panel);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 0.55rem 0.95rem;
  font-family: var(--font);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  border-color: color-mix(in srgb, var(--steel) 40%, var(--hairline));
  background: #f7f8f9;
}

.btn.primary {
  background: var(--stamp);
  border-color: var(--stamp);
  color: #fff;
  font-weight: 600;
}

.btn.primary:hover {
  background: var(--stamp-hover);
  border-color: var(--stamp-hover);
}

.btn.ghost {
  background: transparent;
}

.btn.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
  font-weight: 600;
}

.btn.danger:hover {
  filter: brightness(0.95);
}

.btn.compact {
  padding: 0.3rem 0.55rem;
  font-size: 0.82rem;
}

.btn.linkish {
  background: transparent;
  border: none;
  color: var(--stamp);
  padding: 0.25rem 0.35rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.btn.linkish.danger-text {
  color: var(--danger);
}

.inline-form {
  display: inline;
  margin: 0;
}

/* —— Login —— */
.login-page {
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  min-height: 100vh;
}

.login-shell {
  width: min(420px, 100%);
}

.login-card {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: calc(var(--radius) + 2px);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin: 0.4rem 0 0.35rem;
  font-family: var(--mono);
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.login-card .lede {
  margin: 0 0 1.4rem;
  font-size: 0.95rem;
}

.login-form {
  display: grid;
  gap: 1rem;
}

.login-form label,
.search-field {
  display: grid;
  gap: 0.35rem;
}

.login-form label span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}

input[type="text"],
input[type="password"],
input[type="search"] {
  width: 100%;
  border: 1px solid var(--hairline);
  background: #fbfbfc;
  color: var(--ink);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem;
  font: inherit;
}

input:focus-visible {
  border-color: var(--stamp);
  background: #fff;
}

.captcha-row {
  display: flex;
  gap: 0.75rem;
  align-items: end;
}

.captcha-row .grow {
  flex: 1;
}

.captcha-btn {
  border: 1px solid var(--hairline);
  background: #f4f5f6;
  border-radius: var(--radius);
  padding: 0;
  cursor: pointer;
  line-height: 0;
  overflow: hidden;
}

.captcha-btn img {
  display: block;
}

.alert {
  background: var(--danger-soft);
  border: 1px solid color-mix(in srgb, var(--danger) 30%, var(--hairline));
  color: var(--danger);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}

/* —— App shell —— */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--hairline);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand-block .sub {
  margin: 0.2rem 0 0;
  font-size: 0.85rem;
}

.topbar-actions {
  display: flex;
  gap: 0.55rem;
  align-items: center;
}

.content {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 1.35rem 1.25rem 3rem;
}

.workspace {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 1rem;
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 1.35rem 1.25rem 3rem;
  align-items: start;
}

.workspace .content {
  width: auto;
  margin: 0;
  padding: 0;
}

.sidenav {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
  position: sticky;
  top: 4.75rem;
  max-height: calc(100vh - 6rem);
  overflow: auto;
}

.sidenav-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 0.95rem;
  border-bottom: 1px solid var(--hairline);
}

.folder-tree {
  padding: 0.4rem 0 0.75rem;
}

.folder-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
  border: none;
  background: transparent;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-align: left;
  padding: 0.38rem 0.85rem;
  cursor: pointer;
  border-left: 3px solid transparent;
}

.folder-item:hover {
  background: #f7f8f9;
}

.folder-item.active {
  background: var(--stamp-soft);
  border-left-color: var(--stamp);
  color: var(--stamp);
  font-weight: 600;
}

.folder-item.is-drop {
  background: var(--stamp-soft);
  outline: 1px dashed var(--stamp);
}

.crumbs {
  margin: 0.35rem 0 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--steel);
}

.crumbs button {
  appearance: none;
  border: none;
  background: none;
  color: var(--stamp);
  font: inherit;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--hairline);
  background: #fbfbfc;
  color: var(--ink);
  border-radius: var(--radius);
  padding: 0.55rem 0.7rem;
  font-family: var(--mono);
  font-size: 0.85rem;
}

.field textarea {
  resize: vertical;
  word-break: break-all;
}

.app-page.nav-collapsed .workspace {
  grid-template-columns: 1fr;
}

.app-page.nav-collapsed .sidenav .folder-tree {
  display: none;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: calc(var(--radius) + 2px);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: end;
  padding: 1.15rem 1.2rem;
  border-bottom: 1px solid var(--hairline);
}

.panel-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.stats {
  margin: 0.35rem 0 0;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.search-field {
  min-width: min(280px, 100%);
}

.search-field input {
  font-family: var(--mono);
  font-size: 0.88rem;
}

/* —— Upload tray —— */
.upload-tray {
  border-bottom: 1px solid var(--hairline);
  padding: 0.85rem 1.2rem 1rem;
  background: #fafbfc;
}

.upload-tray-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.65rem;
}

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

.progress-item {
  display: grid;
  gap: 0.3rem;
  font-family: var(--mono);
  font-size: 0.8rem;
}

.progress-bar {
  height: 7px;
  border-radius: 999px;
  background: #eef0f2;
  overflow: hidden;
  border: 1px solid var(--hairline);
}

.progress-bar > span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--stamp);
  transition: width 0.15s ease;
}

.upload-error {
  color: var(--danger);
  font-size: 0.78rem;
  word-break: break-word;
}

/* —— Table —— */
.table-wrap {
  overflow-x: auto;
}

.file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.file-table th,
.file-table td {
  padding: 0.78rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--hairline);
  vertical-align: middle;
}

.file-table th {
  background: #f7f8f9;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
  font-weight: 500;
}

.file-table tbody tr:hover {
  background: #fafbfc;
}

.file-table tbody tr:last-child td {
  border-bottom: none;
}

.file-cell {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.file-name {
  font-family: var(--mono);
  font-size: 0.86rem;
  word-break: break-all;
}

.col-size,
.col-date {
  white-space: nowrap;
}

.col-size,
.td-size,
.td-date {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--steel);
}

.col-actions {
  width: 1%;
  white-space: nowrap;
}

.actions {
  display: flex;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.sort-btn {
  appearance: none;
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.sort-btn.active {
  color: var(--stamp);
}

.sort-ind {
  font-size: 0.7rem;
  min-width: 0.7rem;
}

.type-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  padding: 0.18rem 0.35rem;
  border: 1px solid var(--hairline);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--steel);
  background: #f3f4f5;
}

.type-badge.exe,
.type-badge.msi,
.type-badge.dmg,
.type-badge.appimage {
  color: var(--stamp);
  background: var(--stamp-soft);
  border-color: color-mix(in srgb, var(--stamp) 28%, var(--hairline));
}

.type-badge.zip,
.type-badge.gz,
.type-badge.tgz,
.type-badge.rar,
.type-badge.7z,
.type-badge.tar {
  color: #3d5a80;
  background: #e8eef5;
  border-color: #c5d0de;
}

.type-badge.bin,
.type-badge.iso,
.type-badge.img {
  color: #5a4a2f;
  background: #f3eee4;
  border-color: #ddd2bf;
}

.empty-row td,
.error-row td {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--steel);
  font-family: var(--mono);
  font-size: 0.88rem;
}

.error-row td {
  color: var(--danger);
  background: var(--danger-soft);
}

/* —— Drag overlay —— */
.drag-overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  place-items: center;
  background: color-mix(in srgb, var(--ink) 42%, transparent);
  padding: 1.5rem;
  pointer-events: none;
}

.drag-overlay:not([hidden]) {
  display: grid;
}

.drag-overlay-card {
  background: var(--panel);
  border: 2px dashed var(--stamp);
  border-radius: calc(var(--radius) + 4px);
  padding: 2rem 2.25rem;
  text-align: center;
  box-shadow: var(--shadow);
  max-width: 420px;
}

.drag-overlay-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--stamp);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.drag-overlay-hint {
  margin: 0.45rem 0 0;
  color: var(--steel);
  font-size: 0.92rem;
}

/* —— Toasts —— */
.toast-root {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 50;
  display: grid;
  gap: 0.5rem;
  width: min(380px, calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--steel);
  border-radius: var(--radius);
  padding: 0.75rem 0.9rem;
  box-shadow: var(--shadow);
  font-size: 0.88rem;
  animation: toast-in 0.2s ease;
}

.toast.ok {
  border-left-color: var(--ok);
  background: var(--ok-soft);
}

.toast.error {
  border-left-color: var(--danger);
  background: var(--danger-soft);
}

.toast.info {
  border-left-color: var(--stamp);
  background: var(--stamp-soft);
}

.toast-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel);
}

.toast-body {
  margin: 0.25rem 0 0;
  color: var(--ink);
  word-break: break-word;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* —— Dialog —— */
.confirm-dialog {
  border: 1px solid var(--hairline);
  border-radius: calc(var(--radius) + 2px);
  background: var(--panel);
  color: var(--ink);
  padding: 0;
  max-width: 440px;
  width: calc(100% - 2rem);
  box-shadow: var(--shadow);
}

.confirm-dialog::backdrop {
  background: color-mix(in srgb, var(--ink) 45%, transparent);
}

.modal-body {
  padding: 1.35rem 1.4rem 1.2rem;
  display: grid;
  gap: 0.65rem;
}

.modal-body h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: 1.15rem;
}

.modal-body p {
  margin: 0;
  color: var(--steel);
}

.file-ref {
  font-family: var(--mono);
  color: var(--ink);
  word-break: break-all;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.55rem;
}

@media (max-width: 720px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-actions {
    justify-content: stretch;
  }

  .topbar-actions .btn,
  .topbar-actions form .btn {
    width: 100%;
  }

  .panel-head {
    align-items: stretch;
  }

  .col-date {
    display: none;
  }

  .file-table td:nth-child(3) {
    display: none;
  }

  .workspace {
    grid-template-columns: 1fr;
    padding: 0.85rem;
  }

  .sidenav {
    position: static;
    max-height: none;
  }
}

/* —— SSO —— */
.sso-list {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 0.25rem;
}

.sso-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 0.65rem 0.75rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  background: #fff;
}

.sso-btn:hover {
  background: #f4f5f6;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  color: var(--steel);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 1rem 0;
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  border-bottom: 1px solid var(--hairline);
}

.divider span {
  padding: 0 0.75rem;
}