/* ============================================================
   鲸鱼娘网盘 — 手机版网盘前端
   深海军蓝 + 冰青，工具型界面，仅深色
   ============================================================ */

:root {
  --navy: #0a2e58;
  --navy-deep: #071c38;
  --navy-soft: #1b477b;
  --blue: #4e77a9;
  --ice: #7fd8f0;
  --ice-pale: #c5e9ee;
  --text: #f5fefe;
  --text-dim: #b1afc9;
  --text-faint: rgba(177, 175, 201, 0.62);

  --border: rgba(197, 233, 238, 0.18);
  --border-strong: rgba(197, 233, 238, 0.34);

  --panel: rgba(255, 255, 255, 0.06);
  --panel-solid: rgba(8, 33, 61, 0.96);
  --surface: rgba(255, 255, 255, 0.08);
  --surface-2: rgba(255, 255, 255, 0.13);

  --accent: #7fd8f0;
  --accent-soft: rgba(127, 216, 240, 0.12);
  --grad: linear-gradient(120deg, #7fd8f0 0%, #4e77a9 100%);
  --on-grad: #06203f;

  --ok: #9fe6cf;
  --warn: #f3d29a;
  --danger: #ee9a86;
  --danger-soft: rgba(238, 154, 134, 0.14);

  --shadow-soft: 0 24px 60px rgba(2, 15, 32, 0.42);
  --shadow-card: 0 12px 30px rgba(2, 15, 32, 0.26);

  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC",
    Roboto, Helvetica, Arial, sans-serif;

  --app-bg:
    radial-gradient(900px 520px at 88% -12%, rgba(127, 216, 240, 0.10), transparent 68%),
    radial-gradient(800px 500px at 6% 112%, rgba(78, 119, 169, 0.16), transparent 70%),
    linear-gradient(180deg, #0a2e58 0%, #071c38 100%);
  --app-offset: 0px;
}

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

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

html {
  -webkit-text-size-adjust: 100%;
  background: var(--navy-deep);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--app-bg);
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

::selection {
  background: rgba(127, 216, 240, 0.3);
}

:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 3px;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.noscript {
  position: fixed;
  inset: 0;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--text-dim);
  background: var(--navy-deep);
  z-index: 999;
}

svg {
  display: block;
}

/* ---------- 屏幕骨架 ---------- */
.screen {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--app-offset, 0px);
  height: var(--app-height, 100dvh);
  display: flex;
  flex-direction: column;
  background: var(--app-bg);
}

/* ---------- 通用控件 ---------- */
.text-input {
  width: 100%;
  height: 50px;
  padding: 0 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 16px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.text-input::placeholder {
  color: var(--text-faint);
}

.text-input:focus {
  border-color: var(--ice);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.primary-btn {
  height: 50px;
  padding: 0 20px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--grad);
  color: var(--on-grad);
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(127, 216, 240, 0.2);
  transition: transform 0.16s ease, opacity 0.16s ease, box-shadow 0.16s ease;
}

.primary-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 14px 32px rgba(127, 216, 240, 0.26);
}

.primary-btn:active:not(:disabled) {
  transform: translateY(0) scale(0.99);
}

.primary-btn:disabled {
  opacity: 0.5;
  cursor: default;
  box-shadow: none;
}

.primary-btn.small {
  height: 42px;
  padding: 0 16px;
  font-size: 14px;
}

.ghost-btn {
  height: 44px;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.ghost-btn:hover {
  background: var(--surface);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.ghost-btn.small {
  height: 40px;
  padding: 0 13px;
  font-size: 13px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 17px;
  line-height: 1;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, transform 0.16s ease;
}

.icon-btn:hover {
  background: var(--surface);
  color: var(--text);
  transform: translateY(-1px);
}

.back-btn {
  height: 42px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.16s ease, color 0.16s ease;
}

.back-btn:hover {
  background: var(--surface);
  color: var(--text);
}

.form-error {
  margin: 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--danger);
}

.form-success {
  margin: 0;
  font-size: 13px;
  color: var(--ok);
}

/* ---------- 1. 密码页 ---------- */
.login-screen {
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding:
    max(24px, env(safe-area-inset-top))
    max(20px, env(safe-area-inset-right))
    max(24px, env(safe-area-inset-bottom))
    max(20px, env(safe-area-inset-left));
}

.login-card {
  width: 100%;
  max-width: 360px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 26px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-solid);
  box-shadow: var(--shadow-soft);
}

.login-mark {
  align-self: center;
  width: 80px;
  height: 80px;
  padding: 3px;
  margin-bottom: 2px;
  border-radius: 50%;
  background: var(--grad);
  box-shadow: 0 14px 34px rgba(2, 15, 32, 0.3);
}

.login-avatar {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.login-title {
  margin: 0;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.login-sub {
  margin: 0 0 6px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
}

/* ---------- 2. 选项页 ---------- */
.home-screen {
  overflow-y: auto;
  padding:
    calc(18px + env(safe-area-inset-top))
    max(18px, env(safe-area-inset-right))
    calc(18px + env(safe-area-inset-bottom))
    max(18px, env(safe-area-inset-left));
}

.home-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-strong);
}

.brand-name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-dim);
}

.choice-list {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  max-width: 940px;
  margin: 0 auto;
  padding: 14px 0 64px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.choice-card {
  flex: 1 1 0;
  min-height: 30vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 26px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(160deg, rgba(127, 216, 240, 0.09), rgba(255, 255, 255, 0.04) 45%, rgba(78, 119, 169, 0.1)),
    var(--panel);
  color: var(--text);
  font: inherit;
  text-align: center;
  cursor: pointer;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.choice-card:hover {
  transform: translateY(-3px) scale(1.006);
  border-color: rgba(127, 216, 240, 0.45);
  box-shadow: 0 20px 46px rgba(2, 15, 32, 0.36), 0 0 0 1px rgba(127, 216, 240, 0.18);
}

.choice-card:active {
  transform: translateY(0) scale(0.995);
}

.choice-icon {
  display: grid;
  place-items: center;
  width: 68px;
  height: 68px;
  margin-bottom: 4px;
  border-radius: 22px;
  font-size: 34px;
  line-height: 1;
  background: var(--grad);
  box-shadow: 0 12px 28px rgba(2, 15, 32, 0.3);
}

.choice-title {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.choice-desc {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text-dim);
}

.logout-btn {
  position: absolute;
  right: max(20px, env(safe-area-inset-right));
  bottom: calc(18px + env(safe-area-inset-bottom));
  height: 44px;
  padding: 0 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(7, 28, 56, 0.6);
  color: var(--text-dim);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.logout-btn:hover {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}

/* ---------- 3A. 快速上传 ---------- */
.subbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding:
    calc(8px + env(safe-area-inset-top))
    max(12px, env(safe-area-inset-right))
    8px
    max(12px, env(safe-area-inset-left));
  border-bottom: 1px solid var(--border);
  background: rgba(10, 46, 88, 0.55);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.subbar-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.quick-main {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 14px calc(24px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.drop-zone {
  flex: 0 0 auto;
  min-height: 38vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 28px 20px;
  border: 2px dashed rgba(127, 216, 240, 0.5);
  border-radius: var(--radius-lg);
  background: rgba(127, 216, 240, 0.05);
  cursor: pointer;
  text-align: center;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.drop-zone:hover {
  border-color: var(--ice);
  background: rgba(127, 216, 240, 0.09);
}

.drop-zone.is-dragover {
  border-color: var(--ice);
  background: rgba(127, 216, 240, 0.14);
  transform: scale(1.005);
}

.drop-zone:active {
  transform: scale(0.998);
}

.drop-icon {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  margin-bottom: 4px;
  border-radius: 22px;
  background: var(--grad);
  font-size: 30px;
  line-height: 1;
  box-shadow: 0 12px 28px rgba(2, 15, 32, 0.3);
}

.drop-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.drop-desc {
  font-size: 13.5px;
  color: var(--text-dim);
}

.upload-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.upload-item {
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  box-shadow: var(--shadow-card);
}

.upload-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.upload-name {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 13.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-state {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--text-dim);
}

.upload-item.is-done .upload-state {
  color: var(--ok);
}

.upload-item.is-failed .upload-state {
  color: var(--danger);
}

.retry-btn {
  flex: 0 0 auto;
  height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(127, 216, 240, 0.5);
  border-radius: 10px;
  background: transparent;
  color: var(--ice);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
}

.retry-btn:hover {
  background: var(--accent-soft);
}

.upload-bar {
  height: 6px;
  margin-top: 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.upload-bar > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: var(--grad);
  transition: width 0.15s linear;
}

.upload-item.is-done .upload-bar > span,
.upload-item.is-failed .upload-bar > span {
  width: 100%;
}

.upload-item.is-failed .upload-bar > span {
  background: linear-gradient(90deg, #ee9a86, rgba(238, 154, 134, 0.5));
}

.quick-summary {
  margin: 0;
  text-align: center;
  font-size: 13px;
  line-height: 1.6;
  color: var(--warn);
}

.quick-done {
  padding: 18px 16px;
  border: 1px solid rgba(127, 216, 240, 0.35);
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  text-align: center;
}

.quick-done-text {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text);
}

.quick-done-actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- 3B. 网盘 ---------- */
.files-screen {
  overflow: hidden;
}

.files-bar {
  flex: 0 0 auto;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 46, 88, 0.6);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  padding-top: env(safe-area-inset-top);
}

.files-bar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px max(12px, env(safe-area-inset-right)) 4px max(12px, env(safe-area-inset-left));
}

.files-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 2px max(10px, env(safe-area-inset-right)) 9px max(10px, env(safe-area-inset-left));
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.breadcrumb::-webkit-scrollbar {
  display: none;
}

.crumb {
  flex: 0 0 auto;
  max-width: 15em;
  height: 30px;
  padding: 0 9px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 12.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: background 0.16s ease, color 0.16s ease;
}

.crumb:hover {
  background: var(--surface);
  color: var(--text);
}

.crumb.is-current {
  color: var(--text);
  background: var(--surface);
  border-color: var(--border);
  font-weight: 600;
}

.crumb-sep {
  flex: 0 0 auto;
  color: var(--text-faint);
  font-size: 12px;
  padding: 0 1px;
}

.files-main {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px 12px 84px;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
}

.entry-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.entry-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--panel);
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.entry-row:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-strong);
}

.entry-row:active {
  transform: scale(0.997);
}

.entry-icon {
  position: relative;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--surface);
}

.entry-icon.is-dir::before {
  content: "";
  width: 21px;
  height: 15px;
  border-radius: 4px;
  background: var(--grad);
}

.entry-icon.is-dir::after {
  content: "";
  position: absolute;
  top: 11px;
  left: 10px;
  width: 10px;
  height: 5px;
  border-radius: 3px 3px 0 0;
  background: var(--ice);
}

.entry-icon.is-file::before {
  content: "";
  width: 16px;
  height: 20px;
  border: 1.5px solid rgba(197, 233, 238, 0.85);
  border-radius: 3px;
  background:
    repeating-linear-gradient(180deg, rgba(127, 216, 240, 0.55) 0 1px, transparent 1px 5px);
  background-size: 8px 60%;
  background-position: center 70%;
  background-repeat: no-repeat;
}

.entry-info {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.entry-name {
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-meta {
  font-size: 11.5px;
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.row-btn {
  height: 36px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.16s ease, color 0.16s ease;
}

.row-btn:hover {
  background: var(--surface);
  color: var(--text);
}

.row-btn.is-danger:hover {
  background: var(--danger-soft);
  color: var(--danger);
}

.empty-state,
.loading-state {
  margin: 0;
  padding: 60px 16px;
  text-align: center;
  font-size: 14px;
  color: var(--text-faint);
}

.files-footer {
  flex: 0 0 auto;
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
  text-align: center;
  font-size: 11.5px;
  color: var(--text-faint);
  border-top: 1px solid var(--border);
  background: rgba(7, 28, 56, 0.5);
}

.upload-status {
  position: fixed;
  left: 50%;
  bottom: calc(58px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 60;
  width: min(90vw, 420px);
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-solid);
  box-shadow: var(--shadow-soft);
}

.upload-status-text {
  font-size: 12.5px;
  color: var(--text-dim);
}

.upload-status-bar {
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.upload-status-bar > span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: var(--grad);
  transition: width 0.15s linear;
}

/* ---------- 弹窗 ---------- */
.modal-overlay {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--app-offset, 0px);
  height: var(--app-height, 100dvh);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(3, 16, 32, 0.62);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.modal-overlay.is-open {
  opacity: 1;
}

.modal-card {
  width: 100%;
  max-width: 380px;
  max-height: 100%;
  overflow-y: auto;
  padding: 22px 22px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-solid);
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(10px) scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.modal-overlay.is-open .modal-card {
  opacity: 1;
  transform: none;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.modal-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.modal-close {
  margin-right: -6px;
  font-size: 20px;
}

.modal-sub {
  margin: 6px 0 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--text-dim);
  overflow-wrap: anywhere;
}

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

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

.field-label {
  font-size: 12.5px;
  color: var(--text-dim);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 14px;
}

.danger-btn {
  height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--danger);
  color: #2b1511;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.danger-btn:hover {
  transform: translateY(-1px);
}

.move-list {
  max-height: 42vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 2px 0;
}

.move-option {
  display: block;
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  transition: background 0.16s ease, border-color 0.16s ease;
}

.move-option:hover {
  background: var(--surface);
}

.move-option.is-selected {
  border-color: var(--ice);
  background: var(--accent-soft);
  color: var(--text);
}

/* ---------- Toast ---------- */
.toast-host {
  position: fixed;
  left: 50%;
  bottom: calc(96px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 95;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: max-content;
  max-width: min(92vw, 420px);
  pointer-events: none;
}

.toast {
  padding: 9px 15px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-solid);
  color: var(--text);
  font-size: 13px;
  line-height: 1.55;
  text-align: center;
  box-shadow: var(--shadow-card);
  animation: toast-in 0.18s ease-out both;
  overflow-wrap: anywhere;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .choice-list {
    flex-direction: row;
    align-items: stretch;
    gap: 20px;
    padding-bottom: 70px;
  }

  .choice-card {
    min-height: 48vh;
  }

  .choice-icon {
    width: 78px;
    height: 78px;
    font-size: 40px;
  }

  .choice-title {
    font-size: 28px;
  }

  .choice-desc {
    font-size: 15px;
  }

  .choice-list {
    padding-top: 20px;
  }

  .files-main {
    padding: 16px 16px 90px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}