/* ==========================================================
   SaveWise — 收据风格样式表
   方向：收据 / 票据。细线、右对齐金额、点线连接、纸感底色。
   一个强调色（墨绿），其余全部中性。
   ========================================================== */

:root {
  --desk: #EFEBE0;        /* 桌面（App 外围） */
  --paper: #FBF9F4;       /* 纸面 */
  --paper-2: #F4F1E8;     /* 纸面上的凹陷块 */
  --ink: #16150F;         /* 主文字 */
  --ink-soft: #57534A;    /* 次级文字 */
  --ink-faint: #8C8778;   /* 提示文字 */
  --rule: #DFDACD;        /* 分隔线 */
  --rule-strong: #C9C3B4; /* 点线 */
  --accent: #1F4D3D;      /* 唯一强调色：墨绿 */
  --accent-soft: #E7EEE9;
  --warn: #A63A2B;        /* 语义：超支 / 上涨 */
  --good: #2F6B4A;        /* 语义：收入 / 达标 */
}

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

html, body {
  height: 100%;
  background: var(--desk);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* 所有数字等宽对齐——收据的基本要求 */
input, .num, .summary-value, .entry-amt, .kpi-value,
.bar-val, .goal-meta, .formula-row b {
  font-variant-numeric: tabular-nums;
}

/* ---------- 骨架 ---------- */

.app {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  max-width: 430px;
  margin: 0 auto;
  background: var(--paper);
  position: relative;
}

.topbar {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 20px 14px;
  border-bottom: 1px dashed var(--rule);
}

.brand-mark {
  display: block;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  margin-bottom: 4px;
  font-weight: 500;
}

.topbar h1 {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.lang-btn {
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink-soft);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 2px;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  margin-top: 2px;
}

.lang-btn:active { background: var(--paper-2); }
.lang-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.topbar-actions { display: flex; align-items: center; gap: 6px; }
.lang-btn.gear { font-size: 13px; padding: 3px 8px; line-height: 1.3; }

#content {
  flex: 1;
  overflow-y: auto;
  padding: 0 20px 28px;
  -webkit-overflow-scrolling: touch;
}

.view { display: none; }
.view.active { display: block; }

/* ---------- 底部导航 ---------- */

.tabbar {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--paper);
  border-top: 1px dashed var(--rule);
  padding: 10px 0 max(10px, env(safe-area-inset-bottom));
}

.tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: none;
  background: none;
  color: var(--ink-faint);
  font-size: 10.5px;
  letter-spacing: 0.03em;
  font-family: inherit;
  cursor: pointer;
  padding: 4px 0;
  min-height: 44px;
}

.tab-icon { font-size: 16px; line-height: 1; }
.tab-icon.tiny { font-size: 10px; font-weight: 700; letter-spacing: 0.08em; line-height: 16px; }
.tab.active { color: var(--accent); font-weight: 600; }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ---------- 通用 ---------- */

.card {
  border-top: 1px solid var(--rule);
  padding: 18px 0;
}

.card:last-child { padding-bottom: 4px; }

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.card-head h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.tag {
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 6px;
  border-radius: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}

.card-desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.7;
  margin-bottom: 14px;
}

.card-desc.small { font-size: 12px; margin: 14px 0 0; color: var(--ink-faint); }

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 500;
}

.field-head { margin-bottom: 8px; }
.hint { font-size: 11px; color: var(--ink-faint); }

input[type="text"],
input[type="number"],
input[type="password"],
input[type="date"] {
  width: 100%;
  padding: 11px 0;
  border: none;
  border-bottom: 1px solid var(--rule-strong);
  border-radius: 0;
  font-size: 15px;
  font-family: inherit;
  color: var(--ink);
  background: transparent;
  outline: none;
  transition: border-color 0.15s;
}

input:focus { border-bottom-color: var(--accent); border-bottom-width: 1.5px; }
input::placeholder { color: #BDB8A9; }

.row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.primary-btn {
  width: 100%;
  padding: 15px;
  background: var(--accent);
  color: var(--paper);
  border: none;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.15s;
}

.primary-btn:active { background: #16382D; }
.primary-btn:focus-visible { outline: 2px solid var(--ink); outline-offset: 2px; }

.ghost-btn {
  flex: 1;
  padding: 12px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 2px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
  font-family: inherit;
  cursor: pointer;
}

.ghost-btn:active { background: var(--accent-soft); }

.danger-btn {
  flex: 1;
  padding: 12px;
  background: transparent;
  color: var(--warn);
  border: 1px solid var(--warn);
  border-radius: 2px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
}

.mini-btn {
  border: none;
  background: var(--accent);
  color: var(--paper);
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 2px;
  cursor: pointer;
  font-family: inherit;
  letter-spacing: 0.04em;
}

.btn-row { display: flex; gap: 10px; }
.btn-full { width: 100%; margin-bottom: 10px; }
.hidden { display: none !important; }

/* ---------- Add 视图 ---------- */

.segmented {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 24px;
}

.seg {
  padding: 12px 8px;
  border: none;
  background: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-family: inherit;
  color: var(--ink-faint);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 0.15s, border-color 0.15s;
}

.seg.active {
  color: var(--accent);
  font-weight: 600;
  border-bottom-color: var(--accent);
}

/* 金额输入：这一屏的主角 */
.amount-box {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 0 0 20px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 26px;
}

.currency {
  font-size: 20px;
  color: var(--ink-faint);
  font-weight: 400;
}

#amount {
  flex: 1;
  border: none;
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink);
  outline: none;
  padding: 0;
  background: transparent;
  width: 100%;
  line-height: 1.1;
}

#amount::placeholder { color: #DDD8C9; }

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.cat-btn {
  padding: 11px 2px;
  border: 1px solid var(--rule);
  background: transparent;
  border-radius: 2px;
  font-size: 11px;
  color: var(--ink-soft);
  font-family: inherit;
  cursor: pointer;
  transition: all 0.12s;
  line-height: 1.3;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cat-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--paper);
  font-weight: 600;
}

.cat-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  margin-bottom: 22px;
}

.switch-row label {
  font-size: 13px;
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  margin-bottom: 0;
}

.switch-row .sub {
  font-size: 11.5px;
  color: var(--ink-faint);
  margin-top: 4px;
  line-height: 1.5;
}

.switch { position: relative; display: inline-block; width: 42px; height: 24px; flex-shrink: 0; }
.switch input { opacity: 0; width: 0; height: 0; }

.slider {
  position: absolute;
  inset: 0;
  background: var(--rule-strong);
  border-radius: 24px;
  cursor: pointer;
  transition: 0.2s;
}

.slider::before {
  content: "";
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; bottom: 3px;
  background: var(--paper);
  border-radius: 50%;
  transition: 0.2s;
}

.switch input:checked + .slider { background: var(--accent); }
.switch input:checked + .slider::before { transform: translateX(18px); }

.save-tip {
  text-align: center;
  font-size: 12px;
  color: var(--good);
  margin-top: 12px;
  min-height: 16px;
  letter-spacing: 0.02em;
}

/* ---------- Records 视图 ---------- */

.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
}

.month-nav span {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.nav-btn {
  width: 32px; height: 32px;
  border: none;
  background: none;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  font-family: inherit;
}

.nav-btn:active { color: var(--accent); }

/* 结余：这一屏的主角 */
.summary-card {
  padding: 24px 0 20px;
  border-bottom: 1px dashed var(--rule);
  margin-bottom: 6px;
}

.summary-label {
  display: block;
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 8px;
}

.summary-value {
  display: block;
  font-size: 34px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.summary-split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
}

.summary-sub { font-size: 14px; font-weight: 600; letter-spacing: -0.01em; }
.summary-split .summary-label { margin-bottom: 5px; letter-spacing: 0.08em; }

/* 条目：点线连接，收据正文 */
.list-container { padding-top: 4px; }

.day-group { margin-bottom: 4px; }

.day-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  padding: 14px 0 6px;
  border-bottom: 1px solid var(--rule);
}

.entry {
  display: grid;
  grid-template-columns: 1fr 22px;
  column-gap: 8px;
  padding: 11px 0;
  border-bottom: 1px dotted var(--rule);
}

.entry-line {
  display: flex;
  align-items: baseline;
  gap: 0;
}

.entry-name {
  font-size: 14px;
  color: var(--ink);
  flex-shrink: 0;
}

.entry-mark {
  font-size: 9px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-left: 6px;
  flex-shrink: 0;
}

.dots {
  flex: 1;
  border-bottom: 1px dotted var(--rule-strong);
  margin: 0 8px 4px;
  min-width: 10px;
}

.entry-amt {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  flex-shrink: 0;
  letter-spacing: -0.01em;
}

.entry-amt.income { color: var(--good); }
.entry-amt.savings { color: var(--accent); }

.entry-sub {
  grid-column: 1;
  font-size: 11.5px;
  color: var(--ink-faint);
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-del {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  border: none;
  background: none;
  color: #C2BCAC;
  font-size: 16px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  width: 22px;
  height: 32px;
}

.entry-del:active { color: var(--warn); }

.empty {
  text-align: center;
  color: var(--ink-faint);
  font-size: 13px;
  padding: 48px 20px;
  line-height: 1.8;
}

/* ---------- Insights 视图 ---------- */

.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.kpi {
  padding-right: 10px;
  border-right: 1px solid var(--rule);
}

.kpi:last-child { border-right: none; padding-right: 0; padding-left: 12px; }
.kpi:nth-child(2) { padding-left: 12px; }

.kpi-label {
  display: block;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 19px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.kpi-value.amber { color: var(--ink-soft); }

.bar-block { padding: 20px 0; border-bottom: 1px solid var(--rule); }

.bar-block h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 16px;
}

.bar-row { margin-bottom: 15px; }
.bar-row:last-child { margin-bottom: 0; }

.bar-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  margin-bottom: 6px;
}

.bar-name { color: var(--ink); }
.bar-val { color: var(--ink-faint); font-size: 12px; letter-spacing: 0; }

.bar-track {
  height: 4px;
  background: var(--paper-2);
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.4s ease;
}

.bar-fill.fixed { background: var(--ink-soft); }

.delta {
  font-size: 10.5px;
  margin-left: 7px;
  letter-spacing: 0.02em;
}

.delta.up { color: var(--warn); }
.delta.down { color: var(--good); }

.prompt-box {
  margin-top: 16px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
}

.prompt-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  background: var(--paper-2);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
}

#prompt-text {
  margin: 0;
  padding: 14px 12px;
  font-size: 10.5px;
  line-height: 1.7;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--ink-soft);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 260px;
  overflow-y: auto;
  background: var(--paper);
}

.ai-result {
  margin-top: 16px;
  padding: 16px;
  background: var(--paper-2);
  border-left: 2px solid var(--accent);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink);
}

.goal-bar-track {
  height: 6px;
  background: var(--paper-2);
  overflow: hidden;
  margin: 14px 0 10px;
}

.goal-bar-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.4s ease;
}

.goal-meta {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}

.goal-status {
  margin-top: 14px;
  padding: 11px 13px;
  border-radius: 2px;
  font-size: 12.5px;
  line-height: 1.65;
}

.goal-status.ok { background: var(--accent-soft); color: #1B4738; }
.goal-status.tight { background: #F6EEDC; color: #7A5410; }
.goal-status.bad { background: #F8EAE6; color: #8C3024; }

.formula { font-size: 13px; }

.formula-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dotted var(--rule);
  color: var(--ink-soft);
}

.formula-row:last-child { border-bottom: none; }
.formula-row b { color: var(--ink); font-weight: 600; }
.formula-row.strong { color: var(--accent); }
.formula-row.strong b { color: var(--accent); font-size: 15px; }

/* ---------- Settings 视图 ---------- */

.card + .card { margin-top: 0; }

/* ---------- 储蓄卡片：一个可调的数 ---------- */

.sav-aim {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 4px;
}

.sav-aim label {
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.sav-input {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.sav-input span { font-size: 13px; color: var(--ink-faint); }

.sav-input input {
  width: 88px;
  border: none;
  border-bottom: 1px dashed var(--rule-strong);
  background: transparent;
  font-family: inherit;
  font-size: 19px;
  font-weight: 600;
  color: var(--accent);
  text-align: right;
  padding: 0 2px 2px;
  letter-spacing: -0.01em;
}

.sav-input input:focus { outline: none; border-bottom-color: var(--accent); }
.sav-input input::-webkit-outer-spin-button,
.sav-input input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.sav-input input[type=number] { -moz-appearance: textfield; }

.sav-figures { padding: 10px 0 4px; }

.sav-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.sav-row + .sav-row { border-top: 1px dotted var(--rule); }
.sav-row b { font-weight: 600; font-size: 14px; color: var(--ink); }
.sav-row b.good { color: var(--good); }
.sav-row b.warn { color: var(--warn); }

.sav-note {
  font-size: 11.5px;
  color: var(--ink-faint);
  margin-top: 10px;
  line-height: 1.5;
}

/* ---------- AI 页：把回答存回来 ---------- */

.note-area {
  width: 100%;
  border: 1px solid var(--rule-strong);
  border-radius: 2px;
  background: var(--paper-2);
  color: var(--ink);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6;
  padding: 12px;
  resize: vertical;
  min-height: 120px;
}

.note-area:focus { outline: none; border-color: var(--accent); background: var(--paper); }
.note-area::placeholder { color: var(--ink-faint); }

.note-row { align-items: center; justify-content: space-between; margin-top: 12px; }

.note-status {
  font-size: 11.5px;
  color: var(--ink-faint);
  text-align: right;
  flex: 1;
}

/* ---------- 数据管理弹层 ---------- */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(30, 27, 18, 0.34);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 40;
  padding: 0;
}

.sheet {
  width: 100%;
  max-width: 430px;
  background: var(--paper);
  border-top: 1px dashed var(--rule-strong);
  padding: 20px 20px max(20px, env(safe-area-inset-bottom));
  max-height: 88vh;
  overflow-y: auto;
}

.sheet-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
}

.sheet-head h2 {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.sheet-close {
  border: none;
  background: none;
  font-size: 22px;
  line-height: 1;
  color: var(--ink-faint);
  cursor: pointer;
  font-family: inherit;
  padding: 0 4px;
}

.sheet-close:active { color: var(--ink); }

@media (min-width: 560px) {
  .overlay { align-items: center; padding: 24px; }
  .sheet { border: 1px solid var(--rule-strong); border-radius: 2px; }
}

/* ---------- 桌面 ---------- */

@media (min-width: 560px) {
  body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 0;
  }
  .app {
    height: min(844px, calc(100dvh - 48px));
    border: 1px solid var(--rule-strong);
    box-shadow: 0 2px 16px rgba(60, 55, 40, 0.08);
  }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}