/* ============================================================
   plan.css · 规划设计项目管理页样式
   依赖：style.css 定义的设计令牌与基础组件
   ============================================================ */

.plan-page {
  min-height: calc(100vh - 64px);
  padding: 56px 0 80px;
  background:
    radial-gradient(circle at 80% 12%, rgba(201, 169, 97, 0.08), transparent 32%),
    var(--color-bg);
}

.plan-page__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}

.plan-page__title h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.2vw, 2.1rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.plan-page__title p {
  margin-top: 6px;
  font-size: 0.95rem;
  color: var(--color-ink-soft);
  max-width: 42ch;
}

.plan-page__new {
  flex-shrink: 0;
}

/* ---------- 方案网格 ---------- */
.plan-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ---------- 方案卡片 ---------- */
.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.plan-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

.plan-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.plan-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-ink);
  line-height: 1.35;
  word-break: break-word;
}

.plan-card__progress {
  flex-shrink: 0;
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-brand-deep);
  background: rgba(123, 158, 91, 0.12);
  border: 1px solid rgba(123, 158, 91, 0.25);
  border-radius: 999px;
  white-space: nowrap;
}

.plan-card__meta {
  font-size: 0.82rem;
  color: var(--color-ink-faint);
  line-height: 1.45;
}

.plan-card__meta time {
  font-family: var(--font-mono);
}

.plan-card__message {
  flex: 1 1 auto;
  margin-top: 2px;
  padding: 12px 14px;
  font-size: 0.88rem;
  color: var(--color-ink-soft);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  line-height: 1.55;
  min-height: 58px;
}

.plan-card__message em {
  color: var(--color-ink-faint);
  font-style: normal;
}

.plan-card__actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
}

.plan-card__actions .btn {
  flex: 1 1 0;
  padding: 9px 14px;
  font-size: 0.85rem;
}

.plan-card__actions .btn--danger {
  background: transparent;
  color: var(--color-warn);
  border-color: rgba(184, 92, 56, 0.35);
}

.plan-card__actions .btn--danger:hover {
  background: rgba(184, 92, 56, 0.08);
  border-color: var(--color-warn);
}

/* ---------- 空状态 ---------- */
.plan-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  grid-column: 1 / -1;
}

.plan-empty__icon {
  width: 96px;
  height: 96px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  color: var(--color-brand);
  opacity: 0.55;
  background: rgba(61, 90, 61, 0.08);
  border-radius: 50%;
}

.plan-empty__icon svg {
  width: 48px;
  height: 48px;
}

.plan-empty__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: 8px;
}

.plan-empty__desc {
  font-size: 0.9rem;
  color: var(--color-ink-soft);
  max-width: 40ch;
  margin-bottom: 24px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .plan-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .plan-page {
    padding: 36px 0 64px;
  }

  .plan-page__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .plan-page__new {
    width: 100%;
  }

  .plan-page__new .btn {
    width: 100%;
  }

  .plan-grid {
    grid-template-columns: 1fr;
  }

  .plan-card__actions .btn {
    padding: 10px 14px;
  }
}