:root {
  --bg: #faf8f3;
  --bg-2: #f0ebe0;
  --card: #ffffff;
  --ink: #1a2e2a;
  --ink-soft: #4a5a55;
  --muted: #8b9690;
  --accent: #c2410c;
  --accent-soft: #fed7aa;
  --accent-light: #fff7ed;
  --border: #e8e2d5;
  --green: #1a3a32;
  --green-2: #2d5247;
  --green-light: #f0f4f2;
  --shadow: 0 1px 2px rgba(26, 46, 42, 0.04), 0 8px 24px rgba(26, 46, 42, 0.06);
  --shadow-hover: 0 4px 12px rgba(26, 46, 42, 0.08), 0 20px 48px rgba(26, 46, 42, 0.12);
}

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

body {
  font-family: 'Noto Sans SC', system-ui, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
}

body::before, body::after {
  content: '';
  position: fixed;
  pointer-events: none;
  z-index: 0;
}
body::before {
  top: -200px; right: -200px; width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(194, 65, 12, 0.07) 0%, transparent 70%);
  animation: float1 20s ease-in-out infinite;
}
body::after {
  bottom: -300px; left: -300px; width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(26, 58, 50, 0.06) 0%, transparent 70%);
  animation: float2 25s ease-in-out infinite;
}

@keyframes float1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-30px,40px)} }
@keyframes float2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(40px,-30px)} }

.font-display { font-family: 'Fraunces', serif; font-feature-settings: 'ss01' on; }

/* ============ Web Components 强制 display ============ */
tool-button { display: inline-flex; }
tool-card { display: block; text-decoration: none; color: inherit; }
drop-zone { display: block; }
info-card { display: block; }

/* ============ 通用组件样式 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  font-family: inherit;
  white-space: nowrap;
  line-height: 1.5;
}
.btn.btn-block { display: flex; width: 100%; }
.btn-primary { background: var(--green); color: white; }
.btn-primary:hover { background: var(--green-2); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink-soft); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-2); color: var(--ink); border-color: var(--ink-soft); }
.btn-accent { background: var(--accent); color: white; }
.btn-accent:hover { background: #a8380a; transform: translateY(-1px); }
.btn[disabled], .btn.disabled {
  opacity: 0.6; cursor: not-allowed; transform: none !important; pointer-events: none;
}

.tool-card {
  background: linear-gradient(135deg, #ffffff 0%, #fdfcf8 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  height: 100%;
}
.tool-card::before {
  content: '';
  position: absolute; top: 0; left: 0; width: 4px; height: 100%;
  background: var(--green);
  transform: scaleY(0); transform-origin: bottom;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.tool-card:not(.disabled):hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--green-2);
}
.tool-card:not(.disabled):hover::before { transform: scaleY(1); transform-origin: top; }
.tool-card.disabled {
  cursor: default; opacity: 0.55;
  background: repeating-linear-gradient(135deg, transparent, transparent 10px, rgba(0,0,0,0.015) 10px, rgba(0,0,0,0.015) 20px);
}

.tool-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--green-light) 0%, #e3ebe7 100%);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--green); margin-bottom: 24px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.tool-card:not(.disabled):hover .tool-icon {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-2) 100%);
  color: white; transform: rotate(-6deg) scale(1.05);
}

.input {
  width: 100%; padding: 16px 20px;
  border: 1px solid var(--border); border-radius: 12px;
  background: white; font-family: inherit; font-size: 16px;
  color: var(--ink); transition: all 0.2s ease;
}
.input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 4px rgba(26, 58, 50, 0.08); }

.result-box {
  background: linear-gradient(135deg, var(--green-light) 0%, #ecf2ee 100%);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 24px; min-height: 96px;
  font-family: 'Fraunces', serif; font-size: 24px;
  color: var(--green); font-weight: 500; line-height: 1.6;
  word-break: break-all; display: flex; align-items: center;
}

.keypad-hint { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.keypad-hint button {
  padding: 6px 12px; border: 1px solid var(--border);
  background: white; border-radius: 6px; font-size: 13px;
  cursor: pointer; transition: all 0.2s; color: var(--ink-soft); font-family: inherit;
}
.keypad-hint button:hover { background: var(--green-light); border-color: var(--green); color: var(--green); }

.drop-zone {
  border: 2px dashed var(--border); border-radius: 16px;
  padding: 56px 32px; text-align: center;
  background: linear-gradient(135deg, #ffffff 0%, #fdfcf8 100%);
  transition: all 0.3s ease; cursor: pointer;
}
.drop-zone.dragover { border-color: var(--green); background: var(--green-light); transform: scale(1.01); }
.drop-zone:hover { border-color: var(--ink-soft); background: #fdfbf3; }

.thumb {
  position: relative; width: 100%; aspect-ratio: 1;
  background: var(--bg-2); border-radius: 10px;
  overflow: hidden; border: 1px solid var(--border);
  transition: transform 0.2s ease, box-shadow 0.2s ease; cursor: grab;
}
.thumb:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.thumb img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.thumb-remove {
  position: absolute; top: 6px; right: 6px; width: 22px; height: 22px;
  background: rgba(0,0,0,0.65); color: white; border: none; border-radius: 50%;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.2s ease;
}
.thumb:hover .thumb-remove { opacity: 1; }
.thumb-orientation { position: absolute; bottom: 6px; left: 6px; background: rgba(0,0,0,0.65); color: white; font-size: 10px; padding: 2px 6px; border-radius: 4px; font-weight: 500; }
.thumb-num { position: absolute; top: 6px; left: 6px; background: var(--green); color: white; font-size: 10px; padding: 2px 6px; border-radius: 4px; font-weight: 600; min-width: 18px; text-align: center; }
.thumb.dragging { opacity: 0.4; }
.thumb.drag-over { border: 2px dashed var(--green); transform: translateY(-4px); }

.orient-option {
  flex: 1; padding: 16px 12px; border: 1px solid var(--border);
  border-radius: 12px; background: white; cursor: pointer;
  text-align: center; transition: all 0.2s ease;
  font-size: 14px; color: var(--ink-soft);
}
.orient-option.active { background: var(--green); color: white; border-color: var(--green); box-shadow: 0 4px 12px rgba(26, 58, 50, 0.2); }
.orient-option:not(.active):hover { border-color: var(--ink-soft); background: var(--bg-2); color: var(--ink); }

.toast {
  position: fixed; top: 24px; left: 50%;
  transform: translateX(-50%) translateY(-100px);
  background: var(--green); color: white;
  padding: 12px 24px; border-radius: 10px; font-size: 14px;
  box-shadow: var(--shadow-hover); z-index: 1000;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex; align-items: center; gap: 8px; font-weight: 500;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--accent); }

.spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white; border-radius: 50%;
  animation: spin 0.8s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.deco-line { width: 60px; height: 2px; background: linear-gradient(90deg, var(--green) 0%, var(--accent) 100%); border-radius: 2px; }
.tool-num { display: inline-flex; align-items: center; gap: 6px; font-family: 'Fraunces', serif; font-size: 12px; letter-spacing: 0.15em; color: var(--muted); text-transform: uppercase; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

.hero-title {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-2) 50%, var(--accent) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  background-size: 200% 200%; animation: gradientShift 8s ease infinite;
}
@keyframes gradientShift { 0%,100%{background-position:0% 50%} 50%{background-position:100% 50%} }

.info-card { background: linear-gradient(135deg, var(--green-light) 0%, #ecf2ee 100%); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }

.page-enter { animation: fadeInUp 0.5s cubic-bezier(0.16, 1, 0.3, 1); }
@keyframes fadeInUp { from{opacity:0;transform:translateY(16px)} to{opacity:1;transform:translateY(0)} }

.cat-tab {
  padding: 8px 16px; border-radius: 8px; font-size: 14px; font-weight: 500;
  color: var(--ink-soft); background: transparent; border: 1px solid var(--border);
  cursor: pointer; transition: all 0.2s ease; font-family: inherit;
}
.cat-tab:hover { border-color: var(--ink-soft); color: var(--ink); }
.cat-tab.active { background: var(--green); color: white; border-color: var(--green); }

/* 在 assets/css/common.css 中添加 */
@media (min-width: 1536px) {
  .container-xxl {
    max-width: 1400px;
  }
}
@media (min-width: 1920px) {
  .container-xxl {
    max-width: 1600px;
  }
}