/* ============================================
 * components.css — 按钮 / 卡片 / 印章 / 贴纸
 * ============================================ */

/* ============ 按钮：纸胶带风 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 10px 22px;
  border-radius: var(--r-md);
  background: var(--ink);
  color: var(--paper);
  font-weight: 600;
  font-size: var(--fs-md);
  letter-spacing: .02em;
  position: relative;
  transition:
    transform var(--dur-fast) var(--ease-spring),
    box-shadow var(--dur-fast) var(--ease-out),
    background var(--dur-fast);
  min-height: 44px;
  user-select: none;
  white-space: nowrap;
}
.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.08), transparent 30%);
  pointer-events: none;
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.btn:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(31,26,23,.2); }
.btn:disabled {
  background: var(--ink-faint);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  opacity: .6;
}

.btn--primary { background: var(--stamp); color: var(--paper); box-shadow: var(--shadow-stamp); }
.btn--primary:hover { background: var(--stamp-deep); }
.btn--sun     { background: var(--sun); color: var(--ink); }
.btn--sun:hover { background: var(--sun-deep); color: var(--paper); }
.btn--sprout  { background: var(--sprout); color: var(--paper); }
.btn--ghost   { background: transparent; color: var(--ink); border: 2px solid var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn--sm { padding: 6px 14px; min-height: 32px; font-size: var(--fs-sm); }
.btn--lg { padding: 14px 32px; font-size: var(--fs-lg); min-height: 56px; }
.btn--block { width: 100%; }

/* ============ 卡片：纸片 ============ */
.card {
  background: var(--paper-deep);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  box-shadow: var(--shadow-paper);
  position: relative;
}
/* 卡片右上角的纸胶带 */
.card--taped::before {
  content: "";
  position: absolute;
  top: -10px;
  right: 24px;
  width: 64px;
  height: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.4), transparent 50%),
    var(--sun);
  transform: rotate(3deg);
  box-shadow: 0 2px 4px rgba(31,26,23,.15);
  opacity: .9;
}

.card--stamp {
  background: var(--paper);
  border: 2px dashed var(--rule);
}

/* ============ 输入框：牛皮纸风格 ============ */
.input {
  width: 100%;
  padding: 12px 16px;
  background: var(--paper-soft);
  border: 2px solid transparent;
  border-bottom: 2px solid var(--ink);
  border-radius: var(--r-sm) var(--r-sm) 0 0;
  font-size: var(--fs-md);
  color: var(--ink);
  transition: border-color var(--dur-fast), background var(--dur-fast);
}
.input::placeholder { color: var(--ink-faint); font-family: var(--font-hand); font-size: 18px; }
.input:focus { border-color: var(--stamp); outline: none; background: var(--paper); }
.input--hand { font-family: var(--font-hand); font-size: 22px; }

.label {
  display: block;
  font-size: var(--fs-sm);
  color: var(--ink-soft);
  margin-bottom: var(--sp-2);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}

/* ============ 印章效果 ============ */
.stamp {
  display: inline-block;
  padding: 6px 18px;
  border: 3px solid var(--stamp);
  color: var(--stamp);
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .15em;
  border-radius: 6px;
  transform: rotate(-4deg);
  font-size: var(--fs-md);
  background: rgba(215, 65, 59, .04);
  position: relative;
  /* 印章的"残缺"感 */
  mask-image: radial-gradient(circle at 20% 30%, #000 95%, transparent 100%),
              radial-gradient(circle at 80% 70%, #000 95%, transparent 100%);
  -webkit-mask-image: radial-gradient(circle at 20% 30%, #000 95%, transparent 100%),
                       radial-gradient(circle at 80% 70%, #000 95%, transparent 100%);
  mask-composite: exclude;
  -webkit-mask-composite: xor;
}
.stamp--sprout { color: var(--sprout); border-color: var(--sprout); background: rgba(79,121,66,.04); }
.stamp--sun    { color: var(--sun-deep); border-color: var(--sun-deep); background: rgba(242,180,65,.05); }
.stamp--ink    { color: var(--ink); border-color: var(--ink); background: rgba(31,26,23,.04); }

/* 印章"啪"地贴上去 */
@keyframes stamp-slam {
  0%   { transform: rotate(-15deg) scale(2.4); opacity: 0; }
  60%  { transform: rotate(-3deg)  scale(.92); opacity: 1; }
  78%  { transform: rotate(-5deg)  scale(1.05); }
  100% { transform: rotate(-4deg)  scale(1); }
}
.stamp--anim { animation: stamp-slam .42s var(--ease-spring) forwards; }

/* ============ 贴纸/标签 ============ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  background: var(--paper);
  color: var(--ink);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: 999px;
  border: 1.5px solid var(--ink);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.tag--sprout { color: var(--sprout-deep); border-color: var(--sprout); background: rgba(79,121,66,.08); }
.tag--stamp  { color: var(--stamp); border-color: var(--stamp); background: rgba(215,65,59,.06); }
.tag--sun    { color: var(--sun-deep); border-color: var(--sun-deep); background: rgba(242,180,65,.1); }

/* ============ 导航栏 ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(245, 238, 220, .85);
  backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--rule);
  display: flex;
  align-items: center;
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.nav__brand {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-lg);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.nav__brand .seal {
  width: 30px; height: 30px;
  border: 3px solid var(--stamp);
  color: var(--stamp);
  display: grid; place-items: center;
  border-radius: 4px;
  font-size: 14px;
  transform: rotate(-6deg);
  font-weight: 900;
}
.nav__roomcode {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  background: var(--ink);
  color: var(--paper);
  padding: 6px 12px;
  border-radius: var(--r-sm);
  letter-spacing: .12em;
}

/* ============ 模态框 ============ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(31, 26, 23, .55);
  backdrop-filter: blur(2px);
  z-index: 100;
  display: grid; place-items: center;
  animation: fade-in var(--dur-med) var(--ease-out);
}
.modal {
  background: var(--paper);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  width: min(440px, 92vw);
  box-shadow: var(--shadow-lift);
  position: relative;
  animation: pop-in var(--dur-med) var(--ease-spring);
}
.modal__close {
  position: absolute; top: 12px; right: 12px;
  width: 32px; height: 32px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--ink-soft);
}
.modal__close:hover { background: var(--paper-deep); color: var(--ink); }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes pop-in  {
  from { opacity: 0; transform: translateY(20px) scale(.94); }
  to   { opacity: 1; transform: none; }
}

/* ============ Toast 提示 ============ */
.toast-stack {
  position: fixed;
  top: 80px; right: 24px;
  z-index: 200;
  display: flex; flex-direction: column;
  gap: var(--sp-2);
  pointer-events: none;
}
.toast {
  background: var(--ink);
  color: var(--paper);
  padding: 12px 18px;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lift);
  font-size: var(--fs-sm);
  max-width: 320px;
  pointer-events: auto;
  animation: toast-in .3s var(--ease-spring);
  display: flex; align-items: center; gap: var(--sp-2);
}
.toast--stamp { background: var(--stamp); }
.toast--sprout { background: var(--sprout); }
.toast--sun { background: var(--sun); color: var(--ink); }
.toast--leaving { animation: toast-out .25s var(--ease-in) forwards; }
@keyframes toast-in {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: none; opacity: 1; }
}
@keyframes toast-out {
  to { transform: translateX(20px); opacity: 0; }
}

/* ============ 角色徽章 ============ */
.role-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 14px;
  border: 2px solid currentColor;
}
.role-badge--A { background: var(--sun); color: var(--ink); }
.role-badge--B { background: var(--sky); color: var(--paper); }
.role-badge--C { background: var(--sprout); color: var(--paper); }

.owner-crown {
  display: inline-block;
  font-size: 14px;
  color: var(--sun-deep);
  margin-left: 4px;
}

/* ============ 通用动效 ============ */
@keyframes page-rise {
  from { opacity: 0; transform: translateY(20px) rotateX(8deg); }
  to   { opacity: 1; transform: none; }
}
.page-rise { animation: page-rise .6s var(--ease-out) both; }
.page-rise:nth-child(1) { animation-delay: .04s; }
.page-rise:nth-child(2) { animation-delay: .12s; }
.page-rise:nth-child(3) { animation-delay: .20s; }
.page-rise:nth-child(4) { animation-delay: .28s; }

@keyframes shake-x {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}
.shake { animation: shake-x .4s var(--ease-out); }