/* taxtasks-end backend.css — 后台专用样式（完整复制自 2-backend-prototype.html） */

/* 语言切换：CSS 驱动 */
html.lang-zh [data-lang="ja"] { display: none !important; }
html.lang-ja [data-lang="zh"] { display: none !important; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg); color: var(--text);
  display: flex; font-size: 14px; line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
html.lang-ja body {
  font-family: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
}

/* SIDEBAR */
.sidebar {
  width: var(--sb-w); min-width: var(--sb-w);
  background: var(--sb-bg); height: 100vh;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--sb-border);
  overflow: hidden; flex-shrink: 0;
}
.sb-logo {
  display: flex; align-items: center; gap: 11px;
  padding: 18px 16px 16px;
  border-bottom: 1px solid var(--sb-border); flex-shrink: 0;
}
.sb-logo-icon {
  width: 34px; height: 34px; background: var(--accent);
  border-radius: 8px; display: flex; align-items: center;
  justify-content: center; font-size: 15px; font-weight: 800;
  color: #fff; flex-shrink: 0;
}
.sb-logo-text { font-size: 20.25px; font-weight: 700; color: #8bb4e8; line-height: 1.3; letter-spacing: 0.1px; }
.sb-logo-sub { font-size: 10.5px; color: var(--sb-muted); font-weight: 400; display: block; margin-top: 1px; }
/* 中间导航区可滚动：避免菜单过高时截断，底部语言切换始终留在视口内 */
.sb-nav {
  flex: 1;
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.sb-section { padding: 14px 10px 6px; flex-shrink: 0; }
.sb-section-label {
  font-size: 15px; font-weight: 700; letter-spacing: 1.65px;
  color: #8bb4e8; /* 商务蓝，侧栏深色底上可读且不刺眼 */
  text-transform: uppercase;
  padding: 0 8px; margin-bottom: 6px; display: block;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 7px; cursor: pointer;
  transition: all .15s; color: var(--sb-text);
  font-size: 13.5px; font-weight: 500; user-select: none;
  border: none; background: none; width: 100%;
  text-align: left; font-family: inherit; letter-spacing: 0.1px;
  text-decoration: none;
}
.nav-item:hover { background: var(--sb-hover); color: rgba(255,255,255,0.85); }
.nav-item.active { background: var(--sb-active); color: var(--sb-text-on); font-weight: 600; }
.nav-icon { font-size: 16px; flex-shrink: 0; width: 22px; text-align: center; opacity: 0.7; display: flex; align-items: center; justify-content: center; }
.nav-item.active .nav-icon { opacity: 1; }
.sb-user-section { padding: 14px 10px 6px; }
.sb-footer { padding: 12px 10px; border-top: 1px solid var(--sb-border); flex-shrink: 0; }
.sb-lang { display: flex; gap: 4px; padding: 8px; background: rgba(255,255,255,0.05); border-radius: 7px; margin: 8px; }
.sb-lang-btn {
  flex: 1; font-family: inherit; font-size: 11.5px; font-weight: 600;
  padding: 6px 8px; border-radius: 5px; border: none;
  cursor: pointer; transition: all .18s;
  color: var(--sb-muted); background: none;
}
.sb-lang-btn.active { background: rgba(255,255,255,0.14); color: #fff; }
.sb-lang-btn:hover:not(.active) { color: rgba(255,255,255,0.8); }

/* MAIN CONTENT */
.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.topbar {
  height: 58px; background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 28px; flex-shrink: 0; box-shadow: var(--sh-xs);
}
.topbar-breadcrumb { font-size: 12px; color: var(--text4); display: flex; align-items: center; gap: 6px; }
.topbar-breadcrumb .sep { color: var(--border-md); }
.topbar-breadcrumb .cur { color: var(--text3); }
.topbar-title { font-size: 17px; font-weight: 700; color: var(--text); letter-spacing: -0.3px; }
.topbar-right { margin-left: auto; display: flex; gap: 8px; }

/* BUTTONS */
.btn {
  font-family: inherit; font-size: 13px; font-weight: 600;
  padding: 7px 16px; border-radius: var(--radius); cursor: pointer;
  transition: all .16s; border: none;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.btn-ghost { background: none; color: var(--text3); border: 1px solid var(--border-md); }
.btn-ghost:hover { background: var(--surface2); color: var(--text2); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 2px 8px rgba(217,119,6,0.3); }
.btn-accent:hover { background: #B45309; }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 12px; }

/* CONTENT AREA */
.content { flex: 1; overflow-y: auto; padding: 24px; display: flex; flex-direction: column; gap: 20px; }

/* CARDS */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--sh-sm); }
.card-header { display: flex; align-items: center; gap: 10px; padding: 15px 20px; border-bottom: 1px solid var(--border); background: var(--surface); min-height: 52px; flex-wrap: wrap; }
.card-title { font-size: 14.5px; font-weight: 700; color: var(--text); flex: 1; }
.card-body { padding: 20px; }

/* STAT CARDS */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 20px 22px; box-shadow: var(--sh-sm); text-align: center; }
.stat-card-label { font-size: 13px; font-weight: 700; letter-spacing: 0.2px; color: var(--text2); margin-bottom: 8px; display: block; }
.stat-card-num { font-size: 32px; font-weight: 900; line-height: 1; letter-spacing: -1.5px; display: block; margin-bottom: 5px; }
.stat-card-sub { font-size: 13px; color: var(--text2); }
.sc-blue   .stat-card-num { color: var(--blue); }
.sc-amber  .stat-card-num { color: var(--accent); }
.sc-green  .stat-card-num { color: var(--green); }
.sc-red    .stat-card-num { color: var(--red); }

/* TABLE */
.table-wrap { overflow: auto; }
.table-wrap.flex1 { flex: 1; }
table { width: 100%; border-collapse: collapse; }
thead tr { background: var(--surface2); border-bottom: 2px solid var(--border); }
th { padding: 11px 16px; text-align: left; font-size: 11px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.7px; white-space: nowrap; }
td { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13.5px; color: var(--text2); vertical-align: middle; }
tbody tr { transition: background .12s; cursor: default; }
tbody tr:hover { background: #FAFAFA; }
tbody tr:last-child td { border-bottom: none; }

/* BADGES */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 11.5px; font-weight: 700; white-space: nowrap; line-height: 1.4; }
.b-green  { background: var(--green-bg);  color: var(--green); }
.b-red    { background: var(--red-bg);    color: var(--red); }
.b-blue   { background: var(--blue-bg);   color: var(--blue); }
.b-amber  { background: var(--accent-bg); color: var(--accent); }
.b-yellow { background: var(--yellow-bg); color: var(--yellow); }
.b-purple { background: var(--purple-bg); color: var(--purple); }
.b-gray   { background: var(--gray-bg);   color: var(--text3); border: 1px solid var(--border); }

/* CLIENT COLOR DOT */
.cdot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; margin-right: 6px; vertical-align: middle; }

/* FORMS */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.span2 { grid-column: span 2; }
.form-label { font-size: 12px; font-weight: 600; color: var(--text2); letter-spacing: 0.2px; }
.form-label.req::after { content: ' *'; color: var(--red); }
.form-input, .form-select, .form-textarea {
  font-family: inherit; font-size: 13.5px; color: var(--text);
  background: var(--surface); border: 1.5px solid var(--border-md);
  border-radius: var(--radius); padding: 8px 12px; outline: none;
  transition: border-color .18s; width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,61,107,0.1);
}
.form-textarea { resize: vertical; min-height: 72px; line-height: 1.6; }
.form-hint { font-size: 11.5px; color: var(--text4); line-height: 1.4; }
.form-section-title { font-size: 11px; font-weight: 700; color: var(--text3); text-transform: uppercase; letter-spacing: 0.8px; padding-bottom: 8px; border-bottom: 1px solid var(--border); margin-bottom: 2px; }
.form-divider { border: none; border-top: 1px solid var(--border); margin: 4px 0; }

/* TOGGLE */
.toggle-row { display: flex; align-items: center; gap: 10px; }
.toggle { width: 38px; height: 21px; background: var(--border-md); border-radius: 11px; cursor: pointer; transition: background .2s; position: relative; flex-shrink: 0; }
.toggle.on { background: var(--green); }
.toggle::after { content: ''; position: absolute; width: 15px; height: 15px; background: #fff; border-radius: 50%; top: 3px; left: 3px; transition: left .2s; box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.toggle.on::after { left: 20px; }
.toggle-label { font-size: 13px; color: var(--text2); }

/* LAYOUT: SPLIT */
.split { display: flex; gap: 20px; flex: 1; min-height: 0; }
.split-left { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 16px; }
.split-right { width: 340px; flex-shrink: 0; display: flex; flex-direction: column; gap: 16px; }

/* INFO BANNER */
.info-banner { display: flex; align-items: flex-start; gap: 10px; font-size: 13px; color: var(--blue); background: var(--blue-bg); border: 1px solid rgba(29,78,216,0.18); border-radius: var(--radius); padding: 11px 14px; }
.info-banner .icon { flex-shrink: 0; font-size: 15px; margin-top: 0.5px; }

/* GENERATE PANEL */
.gen-panel { background: linear-gradient(140deg, #0D1117 0%, #1A3D6B 100%); border-radius: var(--radius-lg); padding: 28px 32px; color: #fff; position: relative; overflow: hidden; }
.gen-panel::after { content: ''; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(ellipse 60% 70% at 90% 20%, rgba(217,119,6,0.18) 0%, transparent 60%); }
.gen-panel > * { position: relative; z-index: 1; }
.gen-title { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 6px; letter-spacing: -0.3px; }
.gen-sub { font-size: 14px; color: rgba(255,255,255,0.65); margin-bottom: 24px; line-height: 1.6; }
.gen-options { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-bottom: 22px; }
.gen-opt { background: rgba(255,255,255,0.08); border: 1.5px solid rgba(255,255,255,0.12); border-radius: 10px; padding: 15px 16px; cursor: pointer; transition: all .18s; }
.gen-opt:hover { background: rgba(255,255,255,0.13); border-color: rgba(255,255,255,0.22); }
.gen-opt.sel { border-color: var(--accent); background: rgba(217,119,6,0.12); }
.gen-opt-title { font-size: 13.5px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.gen-opt-sub { font-size: 11.5px; color: rgba(255,255,255,0.5); line-height: 1.5; }
.gen-row { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.gen-row-label { font-size: 13.5px; color: rgba(255,255,255,0.65); white-space: nowrap; }
.gen-year { font-family: 'DM Mono', 'Consolas', monospace; font-size: 16px; font-weight: 500; color: var(--accent); background: rgba(255,255,255,0.09); border: 1.5px solid rgba(255,255,255,0.18); border-radius: var(--radius); padding: 7px 14px; outline: none; width: 100px; text-align: center; }
.gen-year:focus { border-color: var(--accent); }
.gen-hint { font-size: 11.5px; color: rgba(255,255,255,0.38); }
.gen-btns { display: flex; gap: 10px; }
.btn-gen { font-family: inherit; font-size: 14px; font-weight: 700; padding: 12px 28px; border-radius: var(--radius); cursor: pointer; background: var(--accent); color: #fff; border: none; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 4px 16px rgba(217,119,6,0.4); transition: all .2s; }
.btn-gen:hover { background: #B45309; transform: translateY(-1px); }
.btn-gen-ghost { font-family: inherit; font-size: 14px; font-weight: 600; padding: 12px 20px; border-radius: var(--radius); cursor: pointer; background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.85); border: 1.5px solid rgba(255,255,255,0.22); transition: all .2s; display: inline-flex; align-items: center; gap: 8px; }
.btn-gen-ghost:hover { background: rgba(255,255,255,0.18); }

/* PROGRESS */
.progress-wrap { background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.1); border-radius: 10px; padding: 18px 20px; margin-top: 4px; display: none; }
.progress-wrap.show { display: block; }
.progress-label { font-size: 13px; color: rgba(255,255,255,0.65); margin-bottom: 10px; }
.progress-bar-bg { background: rgba(255,255,255,0.1); border-radius: 4px; height: 6px; }
.progress-bar { height: 100%; background: var(--accent); border-radius: 4px; transition: width .4s ease; width: 0; }
.result-items { margin-top: 14px; display: flex; flex-direction: column; gap: 6px; }
.result-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; background: rgba(255,255,255,0.06); border-radius: 7px; font-size: 12.5px; }
.result-ok { color: #34D399; font-weight: 700; flex-shrink: 0; font-size: 14px; }
.result-name { flex: 1; color: rgba(255,255,255,0.88); }
.result-date { font-family: 'DM Mono',monospace; font-size: 11px; color: rgba(255,255,255,0.4); }

/* ACTION BUTTONS */
.act-btns { display: flex; gap: 4px; }
.act-btn { width: 28px; height: 28px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all .15s; font-size: 13px; border: 1px solid var(--border); background: var(--surface); color: var(--text3); }
.act-btn:hover { background: var(--surface2); color: var(--text2); }
.act-btn.danger:hover { background: var(--red-bg); color: var(--red); border-color: rgba(185,28,28,0.25); }

/* QUICK ACTION BUTTONS */
.quick-btn { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: var(--radius); font-size: 13.5px; font-weight: 600; cursor: pointer; transition: all .16s; border: 1px solid var(--border); background: var(--surface); color: var(--text2); width: 100%; font-family: inherit; }
.quick-btn:hover { background: var(--surface2); border-color: var(--border-md); color: var(--text); }
.quick-btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.quick-btn.primary:hover { background: var(--primary-h); }
.quick-btn.accent-btn { background: var(--accent); color: #fff; border-color: var(--accent); }
.quick-btn.accent-btn:hover { background: #B45309; }

/* OVERDUE WARNING */
.overdue-warning { background: var(--red-bg); border: 1px solid rgba(185,28,28,0.2); border-radius: var(--radius); padding: 12px 16px; display: flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 600; color: var(--red); }

/* CLIENT LIST */
.client-list { display: flex; flex-direction: column; gap: 6px; }
.client-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-radius: var(--radius); background: var(--surface2); border: 1px solid transparent; transition: all .15s; }
.client-item:hover { border-color: var(--border-md); }
.client-name { font-size: 13.5px; font-weight: 600; color: var(--text); flex: 1; }
.client-meta { font-size: 11.5px; color: var(--text4); }

/* SCROLLBAR */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-md); border-radius: 3px; }

/* FILTER ROW */
.filter-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filter-input { font-family: inherit; font-size: 13px; color: var(--text); background: var(--surface); border: 1.5px solid var(--border-md); border-radius: var(--radius); padding: 7px 12px; outline: none; transition: border-color .18s; flex: 1; min-width: 120px; }
.filter-input:focus { border-color: var(--primary); }
.filter-select { font-family: inherit; font-size: 13px; color: var(--text); background: var(--surface); border: 1.5px solid var(--border-md); border-radius: var(--radius); padding: 7px 12px; outline: none; cursor: pointer; }

/* TOAST */
#toast { position: fixed; bottom: 28px; right: 28px; background: #065F46; color: #fff; border-radius: 10px; padding: 13px 22px; font-size: 13.5px; font-weight: 600; box-shadow: 0 8px 24px rgba(0,0,0,0.2); transform: translateY(90px); opacity: 0; transition: all .3s; display: flex; align-items: center; gap: 8px; z-index: 9999; }
#toast.show { transform: translateY(0); opacity: 1; }

/* MONO FONT */
.mono { font-family: 'DM Mono','Consolas',monospace; font-size: 12.5px; }

/* PENDING TABLE CHECKBOX */
.check-col { width: 36px; text-align: center; }