/* ===================================================================
   测算工作台：白色工作面 + 墨蓝台账；群青只标记当前与结果
   =================================================================== */

/* ===== 工作台导航 ===== */
.nav.is-app { position: sticky; top: 0; color: var(--ink); background: rgba(255, 255, 255, 0.88); box-shadow: 0 1px 0 var(--line); -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4); }
.nav.is-app .nav__inner { max-width: 1600px; height: 64px; padding-inline: clamp(20px, 3vw, 44px); }
.nav.is-app .brand__sub { color: var(--ink-3); }
.nav.is-app .nav__actions { margin-left: auto; }
.nav.is-app .user-pill { background: var(--surface-2); color: var(--ink-2); }
.nav.is-app .btn--navghost { color: var(--ink-2); }

/* ===== 布局 ===== */
.wb { max-width: 1600px; margin: 0 auto; padding: 28px clamp(20px, 3vw, 44px) 120px; display: grid; grid-template-columns: 276px minmax(0, 1fr); gap: clamp(24px, 2.8vw, 44px); align-items: start; }
.wb__main { min-width: 0; display: grid; gap: 20px; }

/* ===== 项目台账 ===== */
.ledger { position: sticky; top: 88px; display: flex; flex-direction: column; max-height: calc(100svh - 112px); min-height: min(640px, calc(100svh - 112px)); overflow: auto; background: var(--ink-900); color: var(--on-ink); border-radius: var(--r-xl); scrollbar-width: thin; scrollbar-color: var(--ink-700) transparent; }
.ledger__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 24px 24px 18px; }
.ledger__head h2 { font-size: 18px; font-weight: 500; letter-spacing: 0.02em; }
.ledger__count { display: block; margin-top: 4px; font-size: 12.5px; color: var(--on-ink-3); }
.ledger__toggle { display: none; }
.ledger__list { padding: 0 12px; display: grid; gap: 10px; }
.ledger__bottom { margin-top: auto; padding: 16px 12px 10px; }
.ledger__home { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--r-sm); font-size: 13.5px; color: var(--on-ink-2); transition: background-color var(--t-fast), color var(--t-fast); }
.ledger__home svg { width: 15px; height: 15px; transition: transform var(--t) var(--ease); }
.ledger__home:hover { background: rgba(255, 255, 255, 0.05); color: #fff; }
.ledger__home:hover svg { transform: translateX(-3px); }
.ledger__foot { display: flex; gap: 10px; margin-top: 8px; padding: 16px 12px 6px; border-top: 1px solid var(--ink-line); font-size: 12.5px; line-height: 1.75; color: var(--on-ink-3); }
.ledger__foot svg { flex: none; width: 16px; height: 16px; margin-top: 2px; color: var(--sky); }

.proj { border-radius: var(--r-lg); border: 1px solid transparent; transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease); }
.proj.is-current { background: var(--ink-850); border-color: var(--ink-line); }
.proj__open { display: grid; gap: 12px; width: 100%; padding: 16px 14px 14px; border: 0; border-radius: var(--r-lg); background: transparent; color: inherit; text-align: left; }
.proj:not(.is-current) .proj__open:hover { background: rgba(255, 255, 255, 0.04); }
.proj__label { display: flex; align-items: center; justify-content: space-between; gap: 8px; font-size: 12.5px; color: var(--on-ink-3); }
.proj__label svg { width: 14px; height: 14px; }
.proj__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.proj__no { font-size: 13.5px; font-weight: 500; letter-spacing: 0.01em; color: var(--on-ink); }
.proj__tag { padding: 3px 9px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); color: var(--on-ink-2); font-size: 12px; font-weight: 500; line-height: 1.4; white-space: nowrap; }
.proj__tag--live { background: var(--ultra); color: #fff; }
.proj__prog { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }
.proj__prog i { position: relative; height: 3px; border-radius: 3px; background: rgba(255, 255, 255, 0.12); overflow: hidden; }
.proj__prog i::after { content: ""; position: absolute; inset: 0; background: #fff; transform: scaleX(0); transform-origin: left; transition: transform var(--t-slow) var(--ease-expo); }
.proj__prog i.on::after { transform: scaleX(1); }
.proj__prog i.warn::after { background: var(--amber); transform: scaleX(1); }
.proj__steps { display: grid; padding: 0 6px 10px; }
.pstep { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; padding: 8px 8px; border: 0; border-radius: var(--r-xs); background: transparent; color: var(--on-ink-3); text-align: left; font-size: 13px; transition: background-color var(--t-fast), color var(--t-fast); }
.pstep:hover { background: rgba(255, 255, 255, 0.06); color: #fff; }
.pstep__val { font-family: var(--num); font-variant-numeric: tabular-nums; color: var(--on-ink-3); white-space: nowrap; }
.pstep.is-done { color: var(--on-ink-2); }
.pstep.is-done .pstep__val { color: var(--on-ink-2); }
.pstep.is-current { color: #fff; font-weight: 500; }
.pstep.is-current .pstep__val { color: var(--sky); }
.pstep.is-warn { color: #fff; }
.pstep.is-warn .pstep__val { color: var(--amber); }

/* ===== 项目抬头 ===== */
.phead { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px 24px; align-items: end; padding: 8px 0 4px; }
.phead__label { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; font-size: 13px; color: var(--ink-3); }
.phead__label a { transition: color var(--t-fast); }
.phead__label a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.phead__row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; }
.phead__title { font-size: clamp(26px, 2.3vw, 32px); font-weight: 500; line-height: 1.3; letter-spacing: -0.01em; }
.phead__meta { margin-top: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; font-size: 13px; color: var(--ink-3); }
.phead__meta .fig { color: var(--ink-2); }
.phead__meta .dot { color: var(--ok); }
.phead__actions { position: relative; display: flex; gap: 8px; }
.workspace-note { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 18px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); }
.workspace-note span { display: inline-flex; align-items: center; gap: 10px; }
.workspace-note svg { width: 16px; height: 16px; flex: none; color: var(--ink-3); }
.workspace-note > span:last-child { color: var(--ink-3); white-space: nowrap; }

.menu { position: absolute; right: 0; top: calc(100% + 10px); z-index: var(--z-popover); width: 340px; padding: 6px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-float); animation: pop 220ms var(--ease-expo); transform-origin: top right; }
.menu__head { display: flex; justify-content: space-between; padding: 10px 12px 8px; font-size: 12.5px; color: var(--ink-3); }
.menu__item { display: flex; align-items: center; justify-content: space-between; gap: 12px; width: 100%; padding: 12px; border: 0; border-radius: var(--r-sm); background: transparent; text-align: left; transition: background-color var(--t-fast); }
.menu__item:hover, .menu__item:focus-visible { background: var(--surface-2); }
.menu__item b { display: block; font-size: 14px; font-weight: 500; }
.menu__item small { display: block; margin-top: 2px; font-size: 12.5px; color: var(--ink-3); }
.menu__item > svg { width: 16px; height: 16px; color: var(--ultra); flex: none; }
@keyframes pop { from { opacity: 0; transform: translateY(-6px) scale(0.98); } }

/* ===== 步骤进度 ===== */
.stepper { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 22px 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); }
.stepper__track { position: absolute; left: calc(28px + 15px); right: calc(25% - 7px); top: 37px; height: 2px; border-radius: 2px; background: var(--line); }
.stepper__track i { position: absolute; inset: 0; border-radius: 2px; background: var(--ink); transform-origin: left; transform: scaleX(var(--k, 0)); transition: transform 900ms var(--ease-expo); }
.stp { position: relative; z-index: 1; display: grid; grid-template-columns: 30px minmax(0, 1fr); gap: 2px 12px; padding: 0 12px 0 0; border: 0; background: transparent; text-align: left; }
.stp__mark { grid-row: span 2; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; background: var(--surface); border: 1.5px solid var(--line-2); font-family: var(--num); font-size: 13px; font-weight: 600; color: var(--ink-3); transition: background-color var(--t), border-color var(--t), color var(--t), box-shadow var(--t); }
.stp__mark svg { width: 14px; height: 14px; }
.stp__t { justify-self: start; margin-left: -12px; padding: 4px 12px 0; background: var(--surface); font-size: 14px; font-weight: 500; line-height: 1.4; color: var(--ink-3); transition: color var(--t-fast); }
.stp__v { font-size: 12.5px; color: var(--ink-3); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stp.is-done .stp__mark { background: var(--ink); border-color: var(--ink); color: #fff; }
.stp.is-done .stp__t { color: var(--ink); }
.stp.is-current .stp__mark { background: var(--ultra); border-color: var(--ultra); color: #fff; box-shadow: 0 0 0 5px var(--ultra-tint); }
.stp.is-current .stp__t { color: var(--ink); }
.stp.is-current .stp__v { color: var(--ultra); font-weight: 500; }
.stp.is-warn .stp__mark { border-color: var(--warn); color: var(--warn); box-shadow: 0 0 0 5px var(--warn-bg); }
.stp.is-warn .stp__t { color: var(--ink); }
.stp.is-warn .stp__v { color: var(--warn); font-weight: 500; }
.stp:not(:disabled):hover .stp__t { color: var(--ultra); }
.stp:disabled { cursor: default; }
.stp__short { display: none; }

/* ===== 步骤卡片 ===== */
.step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); scroll-margin-top: 88px; transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease); }
.step.is-open { border-color: var(--line-2); box-shadow: var(--sh-float); }
.step.is-locked { background: transparent; border-style: dashed; border-color: var(--line-2); }
.step__head { display: grid; grid-template-columns: 64px minmax(0, 1fr) auto; align-items: center; gap: 16px; padding: 24px 28px; width: 100%; border: 0; background: transparent; text-align: left; border-radius: var(--r-lg); }
button.step__head:hover .step__title { color: var(--ultra); }
.step__no { font-family: var(--num); font-size: 32px; font-weight: 300; font-stretch: 115%; line-height: 1; letter-spacing: -0.02em; color: var(--ink); font-variant-numeric: tabular-nums; }
.step.is-open .step__no { color: var(--ultra); }
.step.is-locked .step__no { color: var(--ink-5); }
.step__title { display: block; font-size: 18px; font-weight: 500; line-height: 1.4; transition: color var(--t-fast); }
.step.is-locked .step__title { color: var(--ink-3); }
.step__sum { margin-top: 4px; font-size: 13.5px; line-height: 1.6; color: var(--ink-3); }
.step__sum b { color: var(--ink); font-weight: 500; }
.step__side { display: flex; align-items: center; gap: 12px; }
.step__chev { width: 34px; height: 34px; padding: 9px; border-radius: 50%; background: var(--surface-2); color: var(--ink-2); transition: transform var(--t-slow) var(--ease-expo), background-color var(--t-fast); }
button.step__head:hover .step__chev { background: var(--line); }
.step.is-open .step__chev { transform: rotate(180deg); }
.step__fold { display: grid; grid-template-rows: 0fr; transition: grid-template-rows var(--t-slow) var(--ease-expo); }
.step.is-open .step__fold { grid-template-rows: 1fr; }
.step__fold > div { overflow: hidden; min-height: 0; }
.step__body { padding: 4px 28px 32px 108px; }
.step__foot { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 0 28px 0 108px; padding: 20px 0 24px; border-top: 1px solid var(--line); }
.step__hint { font-size: 13.5px; color: var(--ink-3); }
.step__hint svg { display: inline; width: 14px; height: 14px; vertical-align: -2px; margin-right: 6px; }

/* ===== 提示 ===== */
.toasts { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: var(--z-toast); display: grid; gap: 8px; justify-items: center; pointer-events: none; }
.toast { display: flex; align-items: center; gap: 10px; padding: 13px 20px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 14px; box-shadow: var(--sh-float); animation: toast-in 380ms var(--ease-expo); max-width: min(520px, calc(100vw - 32px)); }
.toast svg { width: 16px; height: 16px; flex: none; color: var(--sky); }
.toast--warn svg { color: var(--amber); }
.toast.is-leaving { animation: toast-out 200ms ease-in forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(14px) scale(0.96); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(8px); } }

/* ===== 对话框 ===== */
.dialog { width: min(460px, calc(100vw - 32px)); padding: 0; border: 0; border-radius: var(--r-xl); background: var(--surface); color: var(--ink); box-shadow: var(--sh-dialog); }
.dialog--sm { width: min(420px, calc(100vw - 32px)); }
.dialog::backdrop { background: rgba(6, 12, 26, 0.56); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.dialog[open] { animation: dialog-in 420ms var(--ease-expo); }
.dialog[open]::backdrop { animation: backdrop-in 320ms var(--ease); }
.dialog__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 32px 32px 0; }
.dialog__head h2 { margin-top: 20px; font-size: 24px; font-weight: 500; line-height: 1.35; }
.dialog--sm .dialog__head h2 { margin-top: 0; font-size: 20px; }
.dialog__head p { margin-top: 8px; font-size: 14px; line-height: 1.8; color: var(--ink-3); }
.dialog__body { padding: 24px 32px; display: grid; gap: 18px; }
.dialog__foot { padding: 0 32px 32px; display: flex; justify-content: flex-end; gap: 8px; }
.dialog--sm .dialog__foot { padding-top: 28px; }
.field__row { display: flex; gap: 8px; }
.field__row .btn { --h: 48px; flex: none; min-width: 116px; border-radius: var(--r); }
.agree { display: flex; gap: 12px; align-items: flex-start; font-size: 13.5px; line-height: 1.7; color: var(--ink-2); cursor: pointer; }
.agree input { margin-top: 3px; }
.icon-btn { width: 36px; height: 36px; display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--surface-2); color: var(--ink-2); transition: background-color var(--t-fast), color var(--t-fast); }
.icon-btn:hover { background: var(--line); color: var(--ink); }
.icon-btn svg { width: 16px; height: 16px; }
@keyframes dialog-in { from { opacity: 0; transform: translateY(16px) scale(0.98); } }
@keyframes backdrop-in { from { opacity: 0; } }

@media (max-width: 1180px) {
  .wb { grid-template-columns: 240px minmax(0, 1fr); }
  .step__body { padding-left: 28px; }
  .step__foot { margin-left: 28px; }
}
@media (max-width: 1000px) {
  .wb { grid-template-columns: 1fr; gap: 20px; padding-top: 20px; }
  .ledger { position: static; max-height: none; min-height: 0; border-radius: var(--r-lg); }
  .ledger__head { padding: 18px 20px; }
  .ledger__toggle { display: inline-flex; }
  .ledger:not(.is-open) .ledger__list, .ledger:not(.is-open) .ledger__bottom { display: none; }
  .ledger__list { grid-template-columns: 1fr 1fr; padding-bottom: 4px; }
  .ledger__bottom { padding-top: 12px; }
}
@media (max-width: 720px) {
  .nav.is-app .nav__inner { height: 60px; padding-inline: 16px; }
  .nav.is-app .brand__sub { display: none; }
  .wb { padding: 16px 14px 72px; }
  .ledger__head { padding: 16px 18px; }
  .ledger__list { grid-template-columns: 1fr; }
  .phead { grid-template-columns: 1fr; }
  .phead__label { margin-bottom: 10px; }
  .phead__title { font-size: 25px; }
  .phead__actions { width: 100%; }
  .phead__actions .btn { flex: 1; }
  .menu { left: 0; right: 0; width: auto; }
  .workspace-note { padding: 12px 14px; align-items: flex-start; }
  .workspace-note > span:last-child { display: none; }
  .stepper { padding: 16px 12px; }
  .stepper__track { left: calc(12px + 15px); right: calc(25% - 15px); top: 31px; }
  .stp { grid-template-columns: 1fr; justify-items: start; gap: 8px; padding-right: 4px; }
  .stp__mark { grid-row: auto; }
  .stp__t { font-size: 12.5px; margin-left: 0; padding: 0; white-space: nowrap; }
  .stp__full { display: none; }
  .stp__short { display: inline; }
  .stp__v { display: none; }
  .step__head { grid-template-columns: 44px minmax(0, 1fr) auto; padding: 18px 16px; gap: 10px; }
  .step__no { font-size: 24px; }
  .step__title { font-size: 16px; }
  .step__sum { font-size: 13px; }
  .step__side .chip { display: none; }
  .step__body { padding: 4px 16px 24px; }
  .step__foot { margin: 0 16px; flex-direction: column; align-items: stretch; }
  .step__foot .btn { width: 100%; }
  .dialog__head { padding: 26px 22px 0; }
  .dialog__body { padding: 22px; }
  .dialog__foot { padding: 0 22px 24px; }
  .dialog__head h2 { font-size: 22px; }
}