:root {
  --bg: #f8f7fa;
  --bg-elevated: #ffffff;
  --bg-subtle: #fcfcfd;
  --border: #eadeeb;
  --border-strong: #d4c8db;
  --text: #1c1825;
  --text-soft: #706880;
  --accent: #5e4b8a;
  --accent-strong: #4a3872;
  --danger: #d93d50;
  --shadow: 0 16px 40px rgba(45, 35, 66, 0.05), 0 4px 12px rgba(45, 35, 66, 0.03);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --container: 960px;
}

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", sans-serif;
  background: var(--bg);
  background-image:
    radial-gradient(circle at top, rgba(94, 75, 138, 0.05), transparent 35%),
    linear-gradient(180deg, #f3f1f7 0%, #f8f7fa 40%, #fcfcfd 100%);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.mono,
.content-block,
.truncate {
  font-family: "IBM Plex Mono", monospace;
}

.app-shell,
.public-shell {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 24px 0 48px;
}

.public-shell {
  display: grid;
  align-items: center;
  min-height: 100vh;
}

.share-shell {
  max-width: 600px;
}

.share-panel {
  padding: 36px 40px;
}

.share-page-header {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 26px;
  text-align: center;
}

.share-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent);
  font-size: 1.08rem;
  font-weight: 700;
}

.share-brand span {
  color: var(--text);
}

.share-page-header h1 {
  max-width: 100%;
  font-size: clamp(1.35rem, 4vw, 1.7rem);
  overflow-wrap: anywhere;
}

.share-access,
.share-content,
.share-status {
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.share-access {
  text-align: center;
}

.share-access .share-section-heading {
  margin-bottom: 18px;
}

.share-section-heading {
  display: grid;
  gap: 6px;
  margin-bottom: 18px;
}

.share-section-heading h2 {
  font-size: 1.08rem;
}

.share-section-heading p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.share-access-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.share-access-form .field {
  min-width: 0;
}

.share-access-form .button {
  min-width: 128px;
  border-radius: 10px;
}

.share-access-form .form-message {
  grid-column: 1 / -1;
}

.share-meta-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-bottom: 24px;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.share-meta-line__group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.share-meta-line__count {
  white-space: nowrap;
}

.share-files-section {
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.share-status {
  text-align: center;
}

.share-status .muted {
  margin-bottom: 0;
}

.auth-shell {
  display: grid;
  min-height: 100vh;
  align-items: center;
  padding: 24px;
}

.auth-layout {
  width: min(1100px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(280px, 1fr);
  gap: 24px;
}

.auth-layout--single {
  width: min(500px, 100%);
  grid-template-columns: minmax(0, 1fr);
}

.auth-panel--centered {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 400px;
  justify-content: center;
  padding: 64px 48px;
}

.login-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 13px;
  margin-bottom: 14px;
  color: var(--accent);
}

.login-brand .auth-title {
  color: var(--text);
}

.auth-title {
  font-size: 2.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
}

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

.auth-subtitle {
  font-size: 1rem;
  margin: 0 0 40px;
}

.auth-form {
  width: 100%;
  gap: 18px;
}

.input-large {
  min-height: 56px;
  padding: 16px 20px !important;
  font-size: 1.05rem !important;
  text-align: center;
  letter-spacing: 0.05em;
  border-radius: 18px !important;
}

.input-large::placeholder {
  letter-spacing: normal;
}

.button-large {
  min-height: 56px;
  font-size: 1.05rem;
  border-radius: 18px;
}

.auth-panel,
.auth-aside,
.panel,
.panel-subtle,
.result-card,
.state-card,
.content-card,
.share-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.auth-panel,
.auth-aside,
.panel {
  padding: 32px;
}

.panel-wide {
  max-width: 100%;
}

.auth-aside {
  background: linear-gradient(180deg, #ece9f2, #e5e1ed);
  display: grid;
  align-items: end;
}

.aside-card {
  border-radius: var(--radius-lg);
  padding: 24px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark__cube {
  color: var(--accent);
}

.brand-mark__name {
  font-size: 1.25rem;
  color: var(--text);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

h1,
h2 {
  margin: 0;
  line-height: 1.15;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  max-width: 12ch;
}

h2 {
  font-size: 1.2rem;
}

.muted {
  color: var(--text-soft);
  line-height: 1.7;
}

.stack-lg,
.stack-xl,
.feature-list,
.share-list {
  display: grid;
}

.stack-lg {
  gap: 16px;
}

.stack-xl,
.share-list {
  gap: 24px;
}

.share-list {
  gap: 10px;
}

.management-tabs {
  display: grid;
  gap: 20px;
}

.management-tab-list {
  display: inline-flex;
  justify-self: start;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
}

.management-tab {
  min-height: 36px;
  padding: 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: 9px;
  color: var(--text-soft);
  background: transparent;
  font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.management-tab:hover {
  color: var(--text);
}

.management-tab.is-active {
  color: var(--text);
  background: var(--bg-elevated);
  box-shadow: 0 2px 8px rgba(45, 35, 66, 0.08);
}

.management-tab span {
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--text-soft);
  background: rgba(94, 75, 138, 0.08);
  font-size: 0.72rem;
}

.management-tab-panel {
  min-width: 0;
}

.share-item--deleted {
  background: var(--bg-subtle);
  box-shadow: none;
}

.admin-empty-state {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}

.admin-empty-state h2,
.admin-empty-state p {
  margin: 0;
}

.admin-empty-state p {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.feature-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  gap: 14px;
}

.feature-list li {
  position: relative;
  padding-left: 18px;
  color: var(--text-soft);
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: var(--accent);
}

.topbar,
.panel-header,
.share-item__actions,
.content-card__header,
.copy-row,
.result-actions,
.actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  margin-top: 8px;
}

.topbar,
.panel-header,
.content-card__header,
.share-item {
  justify-content: space-between;
}

.topbar {
  padding: 16px 0 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.nav-pills {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-pill,
.tab-button {
  color: var(--text-soft);
  padding: 8px 12px;
  font-size: 0.95rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.nav-pill:hover,
.tab-button:hover {
  color: var(--text);
}

.nav-pill.is-active,
.tab-button.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tabs {
  display: grid;
  gap: 24px;
}

.tab-list {
  display: inline-flex;
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  gap: 6px;
  overflow-x: auto;
}

.tab-button {
  min-width: 100px;
  background: transparent;
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: block;
}

.upload-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(94, 75, 138, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 8px;
}

.upload-dropzone {
  min-height: 260px;
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(94, 75, 138, 0.25);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.8), rgba(94, 75, 138, 0.02));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.upload-dropzone.is-dragover {
  border-color: var(--accent-strong);
  background: rgba(94, 75, 138, 0.08);
}

.selected-files {
  margin-top: 14px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
}

.selected-files__header,
.selected-files__summary,
.selected-file-row,
.selected-file-row__main {
  display: flex;
  align-items: center;
}

.selected-files__header {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.selected-files__header h3 {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 400;
}

.selected-files__summary {
  gap: 9px;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.selected-files__clear,
.selected-file-row__remove {
  width: 30px;
  height: 30px;
  padding: 0;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border: 0;
  border-radius: 9px;
  color: var(--text-soft);
  background: transparent;
  transition: color 0.2s ease, background 0.2s ease;
}

.selected-files__clear:hover,
.selected-file-row__remove:hover {
  color: var(--danger);
  background: rgba(217, 61, 80, 0.08);
}

.selected-files__list {
  display: grid;
  gap: 2px;
  max-height: 240px;
  overflow: auto;
}

.selected-file-row {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: 42px;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 8px;
  border-radius: 9px;
}

.selected-file-row__progress {
  position: absolute;
  z-index: 0;
  inset: 0 auto 0 0;
  width: var(--upload-progress, 0%);
  border-radius: inherit;
  background: rgba(94, 75, 138, 0.14);
  transition: width 0.2s ease;
  pointer-events: none;
}

.selected-file-row__main,
.selected-file-row__size,
.selected-file-row__remove {
  position: relative;
  z-index: 1;
}

.selected-file-row:nth-child(odd) {
  background: var(--bg-elevated);
}

.selected-file-row__main {
  min-width: 0;
  flex: 1;
  gap: 10px;
}

.selected-file-row__main > svg {
  flex-shrink: 0;
  color: var(--accent);
}

.selected-file-row__name {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.88rem;
}

.selected-file-row__size {
  flex-shrink: 0;
  color: var(--text-soft);
  font-size: 0.8rem;
}

.upload-dropzone__icon {
  width: 56px;
  height: 56px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-strong);
  color: var(--accent-strong);
  font-size: 1.4rem;
}

.panel-subtle {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.result-card,
.state-card,
.content-card {
  padding: 24px;
}

.result-card--success {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px 16px;
  display: flex;
  align-items: center;
  flex-direction: column;
  text-align: center;
  gap: 20px;
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.result-success-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--accent-strong);
  background: rgba(94, 75, 138, 0.09);
  border: 1px solid rgba(94, 75, 138, 0.14);
}

.result-heading {
  display: grid;
  gap: 7px;
}

.result-heading h2 {
  font-size: 1.45rem;
}

.result-heading p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.share-link-box {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--bg-subtle);
}

.share-link-box input {
  flex: 1;
  min-width: 0;
  height: 38px;
  padding: 0 10px;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-size: 0.87rem;
}

.result-card--success .result-actions {
  margin-top: 2px;
  flex-direction: row;
  gap: 10px;
}

.result-card--success .result-actions .button {
  min-width: 140px;
  border-radius: 12px;
}

.grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 10px;
}

.field span {
  font-size: 0.92rem;
  color: var(--text-soft);
}

.field-prefix-icon {
  width: 16px;
  height: 16px;
  display: block;
  color: var(--text-soft);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  pointer-events: none;
}

.input-with-icon input {
  padding-left: 40px !important;
}

.field input,
.field textarea,
.field select,
.copy-row input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.field input:focus,
.field textarea:focus,
.field select:focus,
.copy-row input:focus {
  border-color: rgba(94, 75, 138, 0.58);
  box-shadow: 0 0 0 4px rgba(94, 75, 138, 0.1);
}

.field textarea {
  resize: vertical;
  min-height: 180px;
}

/* Custom Select */
.custom-select {
  position: relative;
  width: 100%;
  user-select: none;
}

.custom-select__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--bg-elevated);
  color: var(--text);
  padding: 12px 16px;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.custom-select__content {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.custom-select__prefix-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.custom-select__value {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.custom-select.is-open .custom-select__trigger,
.custom-select__trigger:hover {
  border-color: rgba(94, 75, 138, 0.58);
}

.custom-select.is-open .custom-select__trigger {
  box-shadow: 0 0 0 4px rgba(94, 75, 138, 0.1);
}

.custom-select__icon {
  color: var(--text-soft);
  transition: transform 0.2s ease;
  margin-left: 12px;
  flex-shrink: 0;
}

.custom-select.is-open .custom-select__icon {
  transform: rotate(180deg);
}

.custom-select__options {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
  box-shadow: 0 12px 32px rgba(11, 25, 20, 0.12);
  padding: 8px;
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-select.is-open .custom-select__options {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-select__option {
  padding: 12px 16px;
  border-radius: 10px;
  cursor: pointer;
  color: var(--text-soft);
  transition: all 0.15s ease;
}

.custom-select__option:hover {
  background: rgba(94, 75, 138, 0.06);
  color: var(--text);
}

.custom-select__option.is-selected {
  background: rgba(94, 75, 138, 0.1);
  color: var(--accent-strong);
  font-weight: 500;
}

.panel-note {
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
  padding: 16px;
}

.button {
  border: 1px solid transparent;
  border-radius: 16px;
  min-height: 46px;
  padding: 0 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  transition: 0.2s ease;
}

.button:disabled {
  cursor: wait;
  opacity: 0.72;
}

.button-block {
  width: 100%;
}

.button-primary {
  background: var(--accent);
  color: #ffffff;
}

.button-secondary {
  background: var(--bg-subtle);
  border-color: var(--border);
  color: var(--text);
}

.button-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text-soft);
}

.button-danger {
  background: rgba(211, 111, 124, 0.1);
  border-color: rgba(211, 111, 124, 0.25);
  color: #f0bec6;
}

.button-danger-solid {
  background: var(--danger);
  color: #ffffff;
}

.button-danger-solid:hover {
  background: #bd2f42;
}

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

.button-primary:hover {
  background: var(--accent-strong);
}

.button:focus-visible,
.nav-pill:focus-visible,
.tab-button:focus-visible {
  outline: 3px solid rgba(94, 75, 138, 0.2);
  outline-offset: 3px;
}

.form-message {
  margin: 0;
  color: var(--text-soft);
}

.form-message.is-error,
.form-message.error {
  color: #f2b0ba;
}

.form-message.is-success,
.form-message.success {
  color: var(--accent-strong);
}

.copy-row {
  align-items: stretch;
}

.copy-row input {
  flex: 1;
}

.result-actions {
  flex-wrap: wrap;
}

.meta-item {
  border-radius: 18px;
  padding: 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  display: grid;
  gap: 8px;
}

.meta-item span {
  font-size: 0.82rem;
  color: var(--text-soft);
}

.content-block {
  margin: 0;
  border-radius: 18px;
  padding: 18px;
  max-height: 480px;
  overflow: auto;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  white-space: pre-wrap;
  line-height: 1.7;
}

.code-block {
  white-space: pre;
}

.share-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 16px 18px;
  gap: 20px;
  border-radius: var(--radius-lg);
  box-shadow: 0 6px 20px rgba(45, 35, 66, 0.035);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.share-files {
  flex: 0 0 100%;
  padding: 10px 0 0;
  border-top: 1px solid var(--border);
}

.share-file-row,
.download-row,
.download-row__info {
  display: flex;
  align-items: center;
}

.share-file-row {
  min-height: 38px;
  padding: 5px 8px;
  gap: 10px;
  color: var(--text-soft);
  font-size: 0.84rem;
}

.share-file-row > svg {
  flex-shrink: 0;
  color: var(--accent);
}

.share-file-row > .truncate {
  flex: 1;
  min-width: 0;
}

.share-file-row__size {
  flex-shrink: 0;
}

[data-toggle-files] .disclosure-icon {
  transition: transform 0.2s ease;
}

[data-toggle-files][aria-expanded="true"] .disclosure-icon {
  transform: rotate(180deg);
}

.download-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.download-row {
  justify-content: space-between;
  gap: 16px;
  min-height: 60px;
  padding: 10px 0;
  border-top: 1px solid var(--border);
}

.download-row:first-child {
  border-top: 0;
}

.download-row__info {
  min-width: 0;
  align-items: flex-start;
  flex-direction: column;
  gap: 4px;
}

.download-row__info strong {
  max-width: 100%;
}

.download-row__info span {
  color: var(--text-soft);
  font-size: 0.8rem;
}

.share-item:hover {
  border-color: var(--border-strong);
  box-shadow: 0 8px 24px rgba(45, 35, 66, 0.06);
}

.share-item__main {
  display: grid;
  gap: 9px;
  flex: 1;
  min-width: 0;
}

.share-item__heading,
.share-item__badges,
.share-item__meta {
  display: flex;
  align-items: center;
}

.share-item__heading {
  gap: 12px;
  min-width: 0;
}

.share-item__heading h2 {
  flex: 0 1 auto;
  min-width: 0;
  font-size: 1rem;
}

.share-item__badges {
  flex-wrap: wrap;
  gap: 6px;
  flex-shrink: 0;
}

.share-item__meta {
  min-width: 0;
  gap: 0;
  color: var(--text-soft);
  font-size: 0.82rem;
}

.share-item__meta > span + span::before {
  content: "·";
  margin: 0 9px;
  color: var(--border-strong);
}

.share-item__file {
  max-width: 34ch;
  color: var(--text-soft);
}

.share-item__time {
  white-space: nowrap;
}

.share-item__actions {
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 0;
  flex-shrink: 0;
}

.about-page {
  min-height: 500px;
  display: grid;
  place-items: center;
}

.about-content {
  width: min(620px, 100%);
  padding: 28px 0 20px;
  display: flex;
  align-items: center;
  flex-direction: column;
  text-align: center;
}

.about-logo {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  color: #ffffff;
  background: linear-gradient(145deg, var(--accent), var(--accent-strong));
  border: 4px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 28px rgba(74, 56, 114, 0.2);
}

.about-content h1 {
  margin: 22px 0 6px;
  font-size: 2rem;
}

.about-tagline,
.about-description,
.about-note,
.about-license {
  color: var(--text-soft);
}

.about-tagline {
  margin: 0;
}

.about-version {
  margin-top: 20px;
  padding: 6px 12px;
  border-radius: 999px;
  color: var(--accent-strong);
  background: rgba(94, 75, 138, 0.08);
  font-size: 0.82rem;
  font-weight: 600;
}

.about-description {
  margin: 24px 0 0;
  line-height: 1.8;
}

.about-actions {
  margin-top: 24px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.about-note {
  margin: 20px 0 0;
  font-size: 0.86rem;
}

.about-license {
  margin: 18px 0 0;
  font-size: 0.8rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  background: rgba(94, 75, 138, 0.08);
  color: var(--accent-strong);
  border: 1px solid rgba(94, 75, 138, 0.15);
  font-size: 0.75rem;
}

.button-compact {
  min-height: 36px;
  padding: 0 13px;
  border-radius: 11px;
  font-size: 0.86rem;
}

.button-icon {
  width: 36px;
  min-height: 36px;
  padding: 0;
  border-radius: 11px;
}

.badge-subtle {
  color: var(--text-soft);
  background: var(--bg-subtle);
  border-color: var(--border);
}

.badge-active {
  color: var(--accent-strong);
}

.badge-expired,
.badge-deleted {
  color: #c92a3f;
  background: rgba(217, 61, 80, 0.08);
  border-color: rgba(217, 61, 80, 0.15);
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(28, 24, 37, 0.24);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.confirm-dialog {
  width: min(420px, 100%);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(45, 35, 66, 0.18), 0 8px 24px rgba(45, 35, 66, 0.08);
}

.confirm-dialog__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--danger);
  background: rgba(217, 61, 80, 0.08);
  border: 1px solid rgba(217, 61, 80, 0.16);
}

.confirm-dialog__icon--neutral {
  color: var(--accent);
  background: rgba(94, 75, 138, 0.08);
  border-color: rgba(94, 75, 138, 0.16);
}

.confirm-dialog__content {
  min-width: 0;
  display: grid;
  gap: 8px;
}

.confirm-dialog__content h2 {
  font-size: 1.08rem;
}

.confirm-dialog__content p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
  line-height: 1.7;
}

.confirm-dialog__content .form-message.is-error {
  color: var(--danger);
}

.confirm-dialog__actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 4px;
}

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

[hidden] {
  display: none !important;
}

.upload-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.config-card {
  padding: 24px;
}

.action-row-center {
  margin-top: 16px;
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.action-row-center .button {
  min-width: 200px;
  border-radius: 8px;
}

@media (max-width: 900px) {
  .auth-layout,
  .grid-two,
  .meta-grid {
    grid-template-columns: 1fr;
  }

  .auth-panel,
  .auth-aside,
  .panel {
    padding: 24px;
  }

  .topbar,
  .panel-header,
  .content-card__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .share-item__actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .share-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .share-item__meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .share-item__meta > span + span::before {
    content: none;
  }

  .share-item__file {
    max-width: 100%;
  }

  .share-item__actions {
    align-self: stretch;
  }
}

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

@media (max-width: 640px) {
  .app-shell,
  .public-shell {
    width: min(calc(100% - 20px), var(--container));
    padding-top: 16px;
  }

  .auth-shell {
    padding: 12px;
  }

  .topbar {
    align-items: center;
    gap: 14px;
    padding-bottom: 22px;
  }

  .auth-panel,
  .auth-aside,
  .panel,
  .panel-subtle,
  .result-card,
  .state-card,
  .content-card {
    border-radius: 22px;
    padding: 20px;
  }

  .auth-panel--centered {
    min-height: 360px;
    padding: 44px 24px;
  }

  .share-panel {
    padding: 28px 22px;
  }

  .share-page-header {
    padding-bottom: 22px;
  }

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

  .share-access-form .button {
    width: 100%;
  }

  .auth-subtitle {
    margin-bottom: 32px;
  }

  .share-item {
    padding: 14px;
    border-radius: 16px;
  }

  .management-tab-list {
    width: 100%;
  }

  .management-tab {
    flex: 1;
    justify-content: center;
    min-height: 44px;
  }

  .result-card--success {
    padding: 32px 20px;
  }

  .share-link-box {
    align-items: stretch;
    flex-direction: column;
  }

  .confirm-dialog {
    grid-template-columns: 1fr;
  }

  .confirm-dialog__actions {
    flex-direction: column-reverse;
  }

  .confirm-dialog__actions .button {
    width: 100%;
  }

  .share-link-box input {
    width: 100%;
    text-align: center;
  }

  .result-card--success .result-actions {
    width: 100%;
    flex-direction: column;
  }

  .share-item__heading {
    align-items: flex-start;
    flex-direction: column-reverse;
    gap: 8px;
  }

  .tab-list,
  .actions,
  .result-actions,
  .copy-row {
    width: 100%;
  }

  .tab-button {
    width: 100%;
  }

  .nav-pills {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 4px;
  }

  .nav-pill {
    min-height: 44px;
    padding: 8px 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
  }

  .button-compact,
  .button-icon,
  .share-item__actions .button-icon,
  .selected-files__clear,
  .selected-file-row__remove {
    min-width: 44px;
    min-height: 44px;
  }

  .download-row .button {
    width: auto;
    min-width: 72px;
    min-height: 44px;
  }

  .result-card--success .result-actions .button,
  .copy-row .button {
    width: 100%;
  }

  .field input,
  .field textarea,
  .field select,
  .copy-row input {
    font-size: 16px;
  }

  .share-item__actions .button-icon {
    width: 44px;
    flex: 0 0 44px;
  }

  .copy-row {
    flex-direction: column;
  }

  .upload-dropzone {
    min-height: 220px;
    padding: 20px;
  }

  .selected-files {
    padding: 12px;
  }

  .selected-files__summary {
    justify-content: flex-end;
  }

  .selected-file-row__size {
    display: none;
  }
}