:root {
  --bg: #eef3fb;
  --surface: rgba(255, 255, 255, 0.62);
  --surface-strong: rgba(255, 255, 255, 0.72);
  --surface-soft: rgba(255, 255, 255, 0.46);
  --line: rgba(146, 170, 204, 0.32);
  --text: #1f2a3d;
  --muted: rgba(67, 84, 112, 0.72);
  --accent: #2a8cff;
  --accent-soft: rgba(42, 140, 255, 0.12);
  --warning: #d08a1a;
  --danger: #d45c72;
  --success: #2f9d6a;
  --shadow: 0 30px 72px rgba(107, 132, 168, 0.22);
  --radius-lg: 30px;
  --radius-md: 24px;
  --radius-sm: 18px;
  --font-display: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "IBM Plex Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --glass-blur: blur(30px);
  --login-tilt-x: 0px;
  --login-tilt-y: 0px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at 10% 12%, rgba(167, 196, 255, 0.55), transparent 24%),
    radial-gradient(circle at 72% 78%, rgba(132, 220, 255, 0.48), transparent 18%),
    radial-gradient(circle at 92% 82%, rgba(255, 202, 229, 0.46), transparent 16%),
    linear-gradient(145deg, #f5f8fd 0%, #edf3fb 38%, #e6eef8 100%);
  background-attachment: fixed;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.08)),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.12) 0,
      rgba(255, 255, 255, 0.12) 1px,
      transparent 1px,
      transparent 120px
    );
  opacity: 0.45;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 28px;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.login-screen::before,
.login-screen::after {
  content: "";
  position: absolute;
  inset: -10%;
  pointer-events: none;
}

.login-screen::before {
  background:
    radial-gradient(circle at 18% 30%, rgba(144, 198, 255, 0.78), transparent 22%),
    radial-gradient(circle at 78% 25%, rgba(255, 220, 232, 0.68), transparent 24%),
    radial-gradient(circle at 64% 78%, rgba(145, 241, 255, 0.52), transparent 22%);
  filter: blur(26px);
  animation: loginFloat 18s ease-in-out infinite alternate;
}

.login-screen::after {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.28), transparent 36%),
    radial-gradient(circle at center, rgba(255, 255, 255, 0.18), transparent 60%);
  opacity: 0.8;
}

.login-stage {
  width: min(1200px, 100%);
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(360px, 460px);
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}

.login-copy,
.login-card-wrap,
.login-card-top,
.login-form > * {
  opacity: 0;
  transform: translateY(24px);
}

.login-screen.ready .login-copy {
  animation: loginReveal 900ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.ready .login-card-wrap {
  animation: loginReveal 1000ms 120ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.ready .login-card-top {
  animation: loginReveal 760ms 280ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.ready .login-form > :nth-child(1) {
  animation: loginReveal 700ms 360ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.ready .login-form > :nth-child(2) {
  animation: loginReveal 700ms 460ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.ready .login-form > :nth-child(3) {
  animation: loginReveal 700ms 560ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.ready .login-form > :nth-child(4) {
  animation: loginReveal 700ms 660ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.ready .login-form > :nth-child(5) {
  animation: loginReveal 700ms 760ms cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.login-screen.is-entering-app {
  animation: loginFadeOut 560ms ease forwards;
}

.login-orbit {
  position: absolute;
  border-radius: 999px;
  filter: blur(8px);
  opacity: 0.8;
  pointer-events: none;
  mix-blend-mode: screen;
}

.orbit-a {
  width: 540px;
  height: 540px;
  top: -120px;
  right: -90px;
  background: radial-gradient(circle, rgba(186, 215, 255, 0.85), rgba(186, 215, 255, 0) 72%);
  animation: loginOrbitA 22s ease-in-out infinite alternate;
}

.orbit-b {
  width: 420px;
  height: 420px;
  left: -120px;
  bottom: -80px;
  background: radial-gradient(circle, rgba(255, 208, 221, 0.78), rgba(255, 208, 221, 0) 72%);
  animation: loginOrbitB 20s ease-in-out infinite alternate;
}

.orbit-c {
  width: 360px;
  height: 360px;
  right: 34%;
  bottom: 12%;
  background: radial-gradient(circle, rgba(172, 247, 255, 0.56), rgba(172, 247, 255, 0) 70%);
  animation: loginOrbitC 16s ease-in-out infinite alternate;
}

.login-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 150px 150px;
  mask-image: radial-gradient(circle at center, black 36%, transparent 78%);
}

.login-copy {
  max-width: 430px;
  padding-right: 12px;
}

.login-kicker {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.86rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(58, 86, 132, 0.84);
}

.login-copy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
}

.login-intro {
  margin: 18px 0 24px;
  max-width: 30rem;
  font-size: 1.08rem;
  line-height: 1.7;
  color: rgba(48, 68, 104, 0.8);
}

.login-copy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.login-copy-meta span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    0 14px 28px rgba(126, 150, 188, 0.12);
  color: rgba(48, 68, 104, 0.78);
  font-size: 0.88rem;
}

.login-card-wrap {
  perspective: 1400px;
}

.login-card {
  width: min(100%, 460px);
  padding: 34px;
  border-radius: 38px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.34)),
    rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(42px) saturate(145%);
  -webkit-backdrop-filter: blur(42px) saturate(145%);
  box-shadow:
    0 48px 120px rgba(121, 142, 176, 0.28),
    0 14px 34px rgba(255, 255, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    inset 0 -1px 0 rgba(255, 255, 255, 0.18);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transform: translate3d(var(--login-tilt-x), var(--login-tilt-y), 0) rotateX(calc(var(--login-tilt-y) * -0.08)) rotateY(calc(var(--login-tilt-x) * 0.08));
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.login-card::before,
.login-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.login-card::before {
  border-radius: inherit;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.12) 34%, transparent 68%);
  opacity: 0.92;
}

.login-card::after {
  inset: 1px;
  border-radius: calc(var(--radius-lg) + 7px);
  border: 1px solid rgba(255, 255, 255, 0.34);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 80%);
}

.login-card-top {
  position: relative;
  z-index: 1;
}

.login-card-top h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 2.1rem;
}

.login-form {
  position: relative;
  z-index: 1;
  gap: 14px;
  margin-top: 20px;
}

.login-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.login-field span {
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(71, 95, 133, 0.74);
}

.login-field input {
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.84), rgba(255, 255, 255, 0.52)),
    rgba(255, 255, 255, 0.48);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.96),
    inset 0 -1px 0 rgba(255, 255, 255, 0.18),
    0 16px 30px rgba(150, 171, 206, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: box-shadow 180ms ease, transform 180ms ease, border-color 180ms ease;
}

.login-field input:focus {
  outline: none;
  border-color: rgba(104, 178, 255, 0.8);
  box-shadow:
    0 0 0 6px rgba(96, 179, 255, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    0 22px 34px rgba(110, 171, 236, 0.18);
  transform: translateY(-1px);
}

.login-submit {
  margin-top: 8px;
  min-height: 56px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 22px 42px rgba(102, 154, 224, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.login-submit::after {
  content: "";
  position: absolute;
  top: -140%;
  left: -30%;
  width: 42%;
  height: 340%;
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.55), transparent);
  transform: rotate(24deg);
  animation: buttonSweep 4.6s ease-in-out infinite;
}

.login-submit:hover {
  transform: translateY(-2px);
}

.login-submit:active {
  transform: translateY(1px) scale(0.99);
}

.login-tip,
.login-message {
  margin: 0;
  font-size: 0.9rem;
}

.login-tip {
  color: rgba(71, 95, 133, 0.7);
}

@keyframes loginReveal {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes loginFadeOut {
  from {
    opacity: 1;
    transform: scale(1);
  }
  to {
    opacity: 0;
    transform: scale(1.015);
  }
}

@keyframes loginFloat {
  from {
    transform: translate3d(-2%, -1%, 0) scale(1);
  }
  to {
    transform: translate3d(2%, 2%, 0) scale(1.06);
  }
}

@keyframes loginOrbitA {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(-40px, 48px, 0) scale(1.08);
  }
}

@keyframes loginOrbitB {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(54px, -28px, 0) scale(1.12);
  }
}

@keyframes loginOrbitC {
  from {
    transform: translate3d(0, 0, 0) scale(0.94);
  }
  to {
    transform: translate3d(-24px, -38px, 0) scale(1.08);
  }
}

@keyframes buttonSweep {
  0%,
  58%,
  100% {
    transform: translate3d(-120%, 0, 0) rotate(24deg);
  }
  72% {
    transform: translate3d(260%, 0, 0) rotate(24deg);
  }
}

.sidebar {
  padding: 28px 22px;
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text);
  display: flex;
  flex-direction: column;
  gap: 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow:
    inset -1px 0 0 rgba(255, 255, 255, 0.4),
    18px 0 42px rgba(173, 190, 214, 0.16);
  position: relative;
  overflow: hidden;
}

.sidebar::before,
.sidebar-panel::before,
.tab-link::before,
.primary-button::before,
.ghost-button::before,
.icon-button::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.58) 0%,
    rgba(255, 255, 255, 0.22) 24%,
    rgba(255, 255, 255, 0.06) 52%,
    transparent 78%
  );
  opacity: 0.92;
}

.brand-mark,
.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--muted);
}

.sidebar .brand-mark,
.sidebar .eyebrow {
  color: rgba(67, 84, 112, 0.62);
}

.brand h1,
.topbar h2,
.hero-card h3,
.panel h3,
.project-header h3 {
  margin: 0;
  font-family: var(--font-display);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-link,
.tab-link {
  border: 0;
  border-radius: 999px;
  padding: 12px 16px;
  text-align: left;
  color: inherit;
  background: transparent;
  transition: 180ms ease;
}

.nav-link.active,
.nav-link:hover {
  background: rgba(255, 255, 255, 0.36);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.sidebar-panel {
  margin-top: auto;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.46);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(28px);
  -webkit-backdrop-filter: blur(28px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.65),
    0 22px 42px rgba(133, 154, 186, 0.14);
  position: relative;
  overflow: hidden;
}

.sidebar-panel h2 {
  margin-top: 0;
  font-size: 1rem;
}

.bullet-list {
  margin: 0;
  padding-left: 20px;
  color: rgba(45, 60, 84, 0.82);
}

.main-content {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.topbar,
.toolbar,
.panel-head,
.project-header,
.modal-head,
.modal-actions,
.hero-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.toolbar {
  flex-wrap: wrap;
}

.toolbar-group,
.topbar-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.toolbar-group,
.topbar-actions,
.tab-row {
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.36);
  border: 1px solid rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    0 18px 38px rgba(133, 154, 186, 0.12);
}

.view {
  display: none;
}

.view.active {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-card,
.panel,
.todo-column,
.summary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  box-shadow:
    0 32px 82px rgba(133, 154, 186, 0.2),
    0 10px 26px rgba(255, 255, 255, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.88),
    inset 0 -1px 0 rgba(255, 255, 255, 0.24);
  position: relative;
  overflow: hidden;
}

.hero-card::before,
.panel::before,
.todo-column::before,
.summary-card::before,
.kanban-column::before,
.mini-card::before,
.todo-card::before,
.timeline-item::before,
.row-card::before,
.detail-card::before,
.modal-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0.16) 18%,
    rgba(255, 255, 255, 0.04) 44%,
    transparent 70%
  );
  opacity: 0.9;
}

.hero-card {
  padding: 28px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.74), transparent 28%),
    linear-gradient(135deg, rgba(126, 197, 255, 0.16), rgba(255, 188, 222, 0.14)),
    rgba(255, 255, 255, 0.58);
}

.hero-card p {
  max-width: 640px;
  color: var(--muted);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(120px, 1fr));
  gap: 12px;
  min-width: min(100%, 340px);
}

.summary-card {
  padding: 16px;
}

.summary-card strong {
  display: block;
  font-size: 1.8rem;
  margin-top: 8px;
}

.grid {
  display: grid;
  gap: 20px;
}

.two-column {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.projects-layout {
  grid-template-columns: minmax(0, 1.2fr) minmax(380px, 1fr);
}

.panel {
  padding: 20px;
}

.kanban-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
}

.kanban-column,
.todo-column {
  padding: 14px;
  background: rgba(255, 255, 255, 0.42);
  border-radius: var(--radius-md);
  min-height: 180px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.76),
    0 18px 40px rgba(133, 154, 186, 0.14);
  position: relative;
  overflow: hidden;
}

.kanban-column h4,
.todo-column h4 {
  margin: 0 0 12px;
}

.card-stack {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mini-card,
.todo-card,
.timeline-item,
.row-card,
.detail-card {
  padding: 14px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.92),
    inset 0 -1px 0 rgba(255, 255, 255, 0.24),
    0 18px 38px rgba(133, 154, 186, 0.14);
  position: relative;
  overflow: hidden;
}

.mini-card p,
.timeline-item p,
.row-card p,
.detail-card p {
  margin: 4px 0 0;
  color: var(--muted);
}

.mini-card {
  cursor: pointer;
  transition: 180ms ease;
}

.mini-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow:
    0 22px 44px rgba(133, 154, 186, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.92);
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.timeline-item {
  position: relative;
  overflow: hidden;
}

.timeline-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, #72b6ff, #9bcfff);
}

.compact .timeline-item {
  padding-left: 16px;
}

.table-list,
.detail-tab.active,
.report-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.row-card {
  transition: 180ms ease;
}

.row-card:hover,
.row-card.selected {
  transform: translateY(-2px);
  border-color: rgba(42, 140, 255, 0.28);
  box-shadow:
    0 24px 48px rgba(133, 154, 186, 0.18),
    inset 0 0 0 1px rgba(42, 140, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.row-main,
.row-meta,
.meta-grid,
.record-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.muted {
  color: var(--muted);
}

.hidden {
  display: none !important;
}

.status-badge,
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.85rem;
}

.status-badge {
  background: rgba(42, 140, 255, 0.12);
  color: #256fd9;
  border: 1px solid rgba(42, 140, 255, 0.18);
}

.pill {
  border: 1px solid rgba(146, 170, 204, 0.18);
  color: #425470;
  background: rgba(255, 255, 255, 0.38);
}

.milestone-status {
  font-weight: 700;
  border-width: 0;
}

.milestone-status.status-未开始 {
  background: rgba(236, 242, 250, 0.92);
  color: #697a93;
}

.milestone-status.status-进行中 {
  background: rgba(182, 228, 255, 0.92);
  color: #1c7ed6;
  box-shadow: 0 0 18px rgba(125, 198, 255, 0.18);
}

.milestone-status.status-已完成 {
  background: rgba(208, 245, 226, 0.94);
  color: #2f9d6a;
  box-shadow: 0 0 18px rgba(141, 240, 189, 0.12);
}

.milestone-status.status-阻塞 {
  background: rgba(255, 236, 196, 0.95);
  color: #c27c11;
  box-shadow: 0 0 18px rgba(255, 201, 112, 0.12);
}

.tab-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 20px 0 16px;
}

.tab-link {
  background: rgba(255, 255, 255, 0.46);
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  position: relative;
  overflow: hidden;
}

.tab-link.active {
  background: linear-gradient(135deg, rgba(120, 175, 255, 0.92), rgba(154, 204, 255, 0.82));
  color: #fff;
  border-color: rgba(255, 255, 255, 0.38);
}

.detail-tab {
  display: none;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.todo-groups {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.todo-card h4,
.timeline-item h4,
.mini-card h4,
.row-card h4 {
  margin: 0;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 320px;
  text-align: center;
  color: var(--muted);
}

.modal {
  border: 0;
  padding: 0;
  border-radius: var(--radius-lg);
  width: min(760px, calc(100vw - 32px));
  background: transparent;
}

.modal::backdrop {
  background: rgba(189, 203, 225, 0.34);
}

.modal-card {
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow:
    0 34px 84px rgba(133, 154, 186, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.84),
    inset 0 -1px 0 rgba(255, 255, 255, 0.24);
  position: relative;
  overflow: hidden;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
}

.form-grid input,
.form-grid textarea,
.form-grid select,
.toolbar input,
.toolbar select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.66);
  padding: 12px 14px;
  color: var(--text);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.82),
    0 8px 18px rgba(185, 198, 220, 0.08);
}

.form-grid input::placeholder,
.form-grid textarea::placeholder,
.toolbar input::placeholder {
  color: rgba(88, 108, 138, 0.42);
}

.full-span {
  grid-column: 1 / -1;
}

.primary-button,
.ghost-button,
.icon-button {
  border-radius: 999px;
  padding: 11px 16px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}

.primary-button {
  color: #fff;
  background: linear-gradient(135deg, #6faeff, #5d8fff 60%, #7ec7ff);
  box-shadow:
    0 22px 40px rgba(108, 155, 220, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.ghost-button,
.icon-button {
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(255, 255, 255, 0.42);
  color: var(--text);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 18px 30px rgba(185, 198, 220, 0.14);
}

.ghost-button.active {
  background: linear-gradient(135deg, rgba(120, 175, 255, 0.9), rgba(154, 204, 255, 0.82));
  color: #fff;
  border-color: rgba(255, 255, 255, 0.32);
}

.icon-button {
  font-size: 1.2rem;
  width: 40px;
  height: 40px;
  padding: 0;
}

#statusMessage {
  min-width: 140px;
  text-align: right;
}

.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.form-inline {
  display: grid;
  gap: 12px;
}

.form-inline textarea,
.form-inline input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.66);
  padding: 12px 14px;
  color: var(--text);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.file-link {
  color: #2a8cff;
  text-decoration: none;
}

.file-link:hover {
  text-decoration: underline;
}

@media (max-width: 1100px) {
  .login-stage,
  .app-shell,
  .projects-layout,
  .two-column,
  .todo-groups {
    grid-template-columns: 1fr;
  }

  .login-stage {
    gap: 28px;
  }

  .login-copy {
    max-width: 100%;
    padding-right: 0;
  }

  .sidebar {
    padding-bottom: 12px;
  }
}

@media (max-width: 720px) {
  .login-screen {
    padding: 18px;
  }

  .login-card {
    width: 100%;
    padding: 24px;
    border-radius: 30px;
  }

  .login-copy h1 {
    font-size: clamp(2.4rem, 12vw, 3.4rem);
  }

  .login-copy-meta {
    gap: 8px;
  }

  .login-copy-meta span {
    padding: 9px 12px;
    font-size: 0.8rem;
  }

  .main-content,
  .sidebar {
    padding: 18px;
  }

  .hero-card,
  .topbar,
  .toolbar,
  .panel-head,
  .project-header,
  .modal-head,
  .modal-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-stats,
  .form-grid,
  .meta-grid {
    grid-template-columns: 1fr;
  }

  #statusMessage {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .login-screen::before,
  .login-orbit,
  .login-submit::after {
    animation: none !important;
  }

  .login-copy,
  .login-card-wrap,
  .login-card-top,
  .login-form > * {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  .login-card {
    transform: none !important;
    transition: none !important;
  }
}