/* ============================================================
   拼豆库存统计 · 手绘风主题(蜡笔 / 纸张 / 手写)
   ============================================================ */
:root {
  --paper: #f7efdc;
  --paper-2: #efe4c9;
  --card: #fffdf4;
  --ink: #43372a;
  --ink-soft: #75664c;
  --line: #d6c79c;

  --wax-yellow: #ffd166;
  --wax-orange: #f4a261;
  --wax-green: #8fcb9b;
  --wax-red: #ef8178;
  --wax-blue: #8db9dc;
  --wax-purple: #b8a3dd;

  --font-title: "Kalam", "ZCOOL KuaiLe", "Segoe UI", "Comic Sans MS", cursive;
  --font-hand: "Kalam", "Ma Shan Zheng", "Segoe UI", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-hand);
  font-size: 16px;
  line-height: 1.6;
  background-image:
    radial-gradient(rgba(67, 55, 42, 0.045) 1px, transparent 1.2px),
    radial-gradient(rgba(67, 55, 42, 0.03) 1px, transparent 1.2px);
  background-size: 22px 22px, 34px 34px;
  background-position: 0 0, 11px 11px;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 36px 16px 90px;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ---------- 头部 ---------- */
.header { text-align: center; }

.title {
  font-family: var(--font-title);
  font-size: 54px;
  margin: 0 0 4px;
  letter-spacing: 4px;
  transform: rotate(-1.5deg);
}

.title .underline-hand {
  background-image: linear-gradient(transparent 72%, var(--wax-yellow) 72%, var(--wax-yellow) 92%, transparent 92%);
  padding: 0 6px;
}

.sub {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
}

/* ---------- 统计卡片 ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stat-card {
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 20px 8px 24px 10px / 10px 22px 6px 18px;
  box-shadow: 5px 5px 0 rgba(67, 55, 42, 0.28);
  padding: 14px 16px;
  text-align: center;
  transform: rotate(-0.5deg);
  position: relative;
}

.stat-card:nth-child(2n) { transform: rotate(0.8deg); }
.stat-card:nth-child(3n) { transform: rotate(-0.3deg); }

.stat-card.warn { background: #fdecea; border-color: var(--wax-red); }

.stat-num {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 700;
  line-height: 1.2;
}

.stat-card.warn .stat-num { color: #a33; }

.stat-label { font-size: 14px; color: var(--ink-soft); }

/* ---------- 面板通用 ---------- */
.panel {
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 20px 8px 24px 10px / 10px 22px 6px 18px;
  box-shadow: 6px 6px 0 rgba(67, 55, 42, 0.28);
  padding: 22px;
  position: relative;
}

.tape {
  position: absolute;
  top: -13px;
  left: 26px;
  width: 110px;
  height: 28px;
  background: rgba(255, 209, 102, 0.55);
  border-left: 2px dashed rgba(67, 55, 42, 0.25);
  border-right: 2px dashed rgba(67, 55, 42, 0.25);
  transform: rotate(-3deg);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.panel-title {
  font-family: var(--font-title);
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: 1px;
}

.hint { color: var(--ink-soft); font-size: 14px; margin: 0 0 10px; }

.code {
  background: var(--paper-2);
  border: 2px dashed var(--line);
  border-radius: 6px 2px 8px 3px;
  padding: 1px 8px;
  font-family: "Kalam", "Consolas", monospace;
  font-size: 14px;
}

/* ---------- 记录消耗 ---------- */
.record-row { display: flex; gap: 10px; }

.record-btns { display: flex; flex-direction: column; gap: 8px; justify-content: stretch; }

.record-btns button { flex: 1; }

button.restock { background: var(--wax-green); font-weight: 700; }
button.restock:hover { background: #7dbb8d; }

.record-row textarea {
  flex: 1;
  font-family: var(--font-hand);
  font-size: 16px;
  color: var(--ink);
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 12px 4px 14px 6px / 6px 14px 4px 12px;
  padding: 8px 12px;
  outline: none;
  resize: vertical;
  min-height: 52px;
  transition: border-color 0.15s;
}

.record-row textarea:focus {
  border-color: var(--ink);
  border-width: 2.5px;
  background: #fffef8;
}

.record-row textarea::placeholder { color: #b3a588; }

/* ---------- 按钮 ---------- */
button, .btn-file {
  font-family: var(--font-hand);
  font-size: 16px;
  color: var(--ink);
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  padding: 7px 18px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
  white-space: nowrap;
  display: inline-block;
}

button:hover, .btn-file:hover {
  transform: translate(-1px, -1px) rotate(-0.6deg);
  box-shadow: 4px 4px 0 var(--ink);
  background: var(--paper-2);
}

button:active, .btn-file:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: 2px 2px 0 var(--ink);
}

button.primary { background: var(--wax-yellow); font-weight: 700; }
button.primary:hover { background: var(--wax-orange); }
button.secondary { background: var(--card); }
button.secondary:hover { background: var(--wax-blue); }
button.danger { background: var(--wax-red); font-weight: 700; }
button.big { font-size: 18px; padding: 10px 26px; }

.btn-file { padding: 7px 18px; cursor: pointer; }

/* 提示条 */
.msg-ok, .msg-err {
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: 10px 4px 12px 6px;
  font-size: 15px;
  line-height: 1.7;
}

.msg-ok {
  background: #eaf6ec;
  border: 2.5px dashed var(--wax-green);
  color: #2f6b3f;
}

.msg-err {
  background: #fdecea;
  border: 2.5px dashed var(--wax-red);
  color: #a33;
}

/* ---------- 系列页签 ---------- */
.series-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tab {
  font-family: var(--font-hand);
  font-size: 15px;
  padding: 6px 16px;
  background: transparent;
  border: 2.5px dashed var(--line);
  color: var(--ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  cursor: pointer;
  box-shadow: none;
  transition: background 0.12s, border-color 0.12s, transform 0.12s;
}

.tab:hover { transform: rotate(-1deg); background: var(--paper-2); }

.tab.active {
  background: var(--wax-yellow);
  border-style: solid;
  border-color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}

.tab.warn-dot { position: relative; }

.tab.warn-dot::after {
  content: "!";
  position: absolute;
  top: -7px;
  right: -5px;
  width: 18px;
  height: 18px;
  background: var(--wax-red);
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
}

/* ---------- 库存网格 ---------- */
.inventory {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 12px;
}

.bead-card {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  padding: 10px 12px;
  box-shadow: 3px 3px 0 rgba(67, 55, 42, 0.2);
  transform: rotate(-0.5deg);
  transition: transform 0.1s;
}

.bead-card:nth-child(2n) { transform: rotate(0.7deg); }
.bead-card:hover { transform: rotate(0deg) translateY(-2px); }

.bead-card.low {
  background: #fdecea;
  border-color: var(--wax-red);
  box-shadow: 3px 3px 0 var(--wax-red);
  animation: low-pulse 1.6s ease-in-out infinite;
}

@keyframes low-pulse {
  0%, 100% { box-shadow: 3px 3px 0 var(--wax-red); }
  50% { box-shadow: 3px 3px 0 var(--wax-red), 0 0 0 4px rgba(239, 129, 120, 0.25); }
}

.bead-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 4px;
}

.bead-code {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
}

.bead-qty { font-size: 14px; color: var(--ink-soft); font-weight: 700; }

.bead-bar {
  margin-top: 7px;
  height: 10px;
  background: var(--paper-2);
  border: 2px solid var(--ink);
  border-radius: 6px 2px 7px 3px;
  overflow: hidden;
}

.bead-fill {
  height: 100%;
  background: var(--wax-green);
  transition: width 0.3s;
}

.bead-fill.mid { background: var(--wax-yellow); }
.bead-fill.low-fill { background: var(--wax-red); }

.empty-tip {
  grid-column: 1 / -1;
  text-align: center;
  color: #a89a7c;
  font-size: 16px;
  padding: 26px 8px;
  background: var(--card);
  border: 2.5px dashed var(--line);
  border-radius: 16px 6px 18px 8px;
}

/* ---------- 历史 ---------- */
.history-list { display: flex; flex-direction: column; gap: 10px; }

.history-item {
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 14px 6px 16px 8px;
  padding: 10px 14px;
  box-shadow: 3px 3px 0 rgba(67, 55, 42, 0.18);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.history-left { flex: 1; min-width: 200px; }

.history-time {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 3px;
}

.history-items { font-size: 15px; line-height: 1.6; }

.history-item.restock { border-color: #5aa86a; background: #f4faf0; }

.history-total {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 18px;
  color: #a33;
  margin-right: 8px;
}

.history-total.restock { color: #2f6b3f; }

.history-empty {
  text-align: center;
  color: #a89a7c;
  padding: 14px 8px;
  font-size: 15px;
}

/* ---------- 数据管理 ---------- */
.data-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 4px; }

/* ---------- 弹窗 ---------- */
.dlg-mask {
  position: fixed;
  inset: 0;
  background: rgba(67, 55, 42, 0.38);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.dlg-card {
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: 20px 8px 24px 10px / 10px 22px 6px 18px;
  box-shadow: 7px 7px 0 rgba(67, 55, 42, 0.32);
  padding: 26px 24px 18px;
  max-width: 420px;
  width: 90%;
  position: relative;
  transform: rotate(-0.6deg);
}

.dlg-tape {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 96px;
  height: 26px;
  background: rgba(255, 209, 102, 0.6);
  border-left: 2px dashed rgba(67, 55, 42, 0.25);
  border-right: 2px dashed rgba(67, 55, 42, 0.25);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.dlg-title {
  font-family: var(--font-title);
  font-size: 22px;
  margin: 0 0 10px;
  letter-spacing: 1px;
}

.dlg-msg { font-size: 15px; line-height: 1.7; margin: 0 0 20px; white-space: pre-wrap; }

.dlg-btns { display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- 快捷调整弹窗 ---------- */
.quick-card { max-width: 380px; }

.quick-code {
  background: var(--wax-yellow);
  border: 2px solid var(--ink);
  border-radius: 10px 4px 12px 6px;
  padding: 1px 12px;
  margin-left: 6px;
  font-family: var(--font-title);
  font-size: 22px;
  transform: rotate(-1deg);
  display: inline-block;
}

.quick-stock {
  margin: 0 0 12px;
  color: var(--ink-soft);
  font-size: 15px;
}

.quick-stock-num {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 20px;
  color: var(--ink);
  margin: 0 4px;
}

.quick-amount {
  text-align: center;
  background: var(--paper-2);
  border: 2.5px dashed var(--line);
  border-radius: 12px 4px 14px 6px;
  padding: 10px;
  margin-bottom: 12px;
}

.quick-amount-num {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 42px;
  color: var(--ink);
}

.quick-amount-unit {
  font-size: 15px;
  color: var(--ink-soft);
  margin-left: 6px;
}

.quick-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.quick-presets button {
  font-size: 15px;
  padding: 6px 8px;
}

.quick-presets button.active {
  background: var(--wax-yellow);
  border-style: solid;
  transform: translate(1px, 1px);
  box-shadow: 2px 2px 0 var(--ink);
}

.quick-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
}

.quick-input-row input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-hand);
  font-size: 16px;
  color: var(--ink);
  background: var(--card);
  border: 2px solid var(--line);
  border-radius: 12px 4px 14px 6px / 6px 14px 4px 12px;
  padding: 7px 12px;
  outline: none;
}

.quick-input-row input:focus {
  border-color: var(--ink);
  border-width: 2.5px;
  background: #fffef8;
}

button.small { font-size: 14px; padding: 6px 14px; }

.quick-actions {
  display: flex;
  gap: 10px;
}

.quick-actions button {
  flex: 1;
  font-size: 17px;
  padding: 10px 8px;
}

.quick-close {
  display: block;
  margin: 12px auto 0;
  background: transparent;
  border: 2px dashed var(--line);
  box-shadow: none;
  font-size: 14px;
  color: var(--ink-soft);
  padding: 4px 16px;
}

.quick-close:hover {
  background: var(--paper-2);
  transform: none;
  box-shadow: none;
  color: var(--ink);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--card);
  border: 2.5px solid var(--ink);
  border-radius: 255px 15px 225px 15px / 15px 225px 15px 255px;
  box-shadow: 4px 4px 0 rgba(67, 55, 42, 0.3);
  padding: 9px 22px;
  font-size: 15px;
  font-weight: 700;
  z-index: 200;
  animation: toast-pop 0.2s ease-out;
}

.toast.good { background: #eaf6ec; border-color: #5aa86a; color: #2f6b3c; }
.toast.bad { background: #fdecea; border-color: var(--wax-red); color: #a33; }

@keyframes toast-pop {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ---------- 页脚 ---------- */
.app-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  text-align: center;
  padding: 8px;
  background: var(--paper-2);
  border-top: 3px solid var(--ink);
  font-size: 13px;
  color: var(--ink-soft);
  z-index: 10;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar { width: 12px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb {
  background: var(--line);
  border: 2px solid var(--paper-2);
  border-radius: 6px;
}

/* ---------- 移动端 ---------- */
@media (max-width: 720px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .title { font-size: 40px; }
  .record-row { flex-direction: column; }
  .record-btns { flex-direction: row; }
  .record-btns button { flex: 1; }
}