/* ============================================================
   kogasystem · app.css
   ============================================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  background: var(--bg-void);
  color: var(--ink-primary);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "ss02", "calt";
}

body {
  min-height: 100vh;
  overflow-x: hidden;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

::selection {
  background: var(--signal);
  color: var(--bg-void);
}

/* Crisp canvas — no overlays */
#app {
  position: relative;
  min-height: 100vh;
}

/* ============================================================
   BOOT (initial loading)
   ============================================================ */

.boot {
  padding: var(--s-12) var(--s-8);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-tertiary);
  letter-spacing: 0.04em;
}
.boot-line { animation: fade-in 0.6s var(--ease-out) both; }
.boot-line.dim { color: var(--ink-quiet); animation-delay: 0.15s; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   APP HEADER — operations console bar
   ============================================================ */

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--s-8);
  padding: var(--s-4) var(--s-10);
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  border-bottom: 1px solid var(--rule);
}

.app-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--signal-line) 30%,
    var(--signal-line) 70%,
    transparent 100%
  );
  opacity: 0.5;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-bright);
}
.brand .glyph {
  color: var(--signal);
  text-shadow: 0 0 14px var(--signal-shadow);
  animation: pulse-glow 3s ease-in-out infinite;
  font-size: 14px;
}
.brand .sep { color: var(--ink-quiet); }
.brand .sub {
  font-size: 12px;
  color: var(--ink-tertiary);
  letter-spacing: 0.22em;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.7; text-shadow: 0 0 8px var(--signal-shadow); }
  50%      { opacity: 1;   text-shadow: 0 0 18px var(--signal-shadow); }
}

/* nav tabs — minimal, no box */
.user-switch {
  display: flex;
  align-items: center;
  gap: var(--s-1);
}
.user-switch button {
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-quiet);
  border-bottom: 2px solid transparent;
  transition: all var(--dur-fast) var(--ease-out);
  background: none;
}
.user-switch button:hover { color: var(--ink-primary); }
.user-switch button.active {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* right: status ticker */
.console {
  display: flex;
  align-items: center;
  gap: var(--s-6);
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-secondary);
}
.console .item {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.console .label { color: var(--ink-tertiary); }
.console .value { color: var(--ink-bright); font-weight: 500; }
.console .live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--go-green);
  box-shadow: 0 0 12px var(--go-green);
  animation: blink 2s ease-in-out infinite;
}
.console .clock { font-variant-numeric: tabular-nums; color: var(--signal); font-size: 14px; font-weight: 500; }
.console .logout {
  color: var(--ink-tertiary);
  text-decoration: underline;
  text-decoration-color: var(--ink-quiet);
  text-underline-offset: 4px;
  letter-spacing: 0.1em;
  transition: color var(--dur-fast);
  cursor: pointer;
}
.console .logout:hover { color: var(--alert-red); }

@keyframes blink {
  0%, 60%, 100% { opacity: 1; }
  70%, 80% { opacity: 0.3; }
}

/* ============================================================
   MAIN — generous canvas
   ============================================================ */

.main {
  max-width: 1520px;
  margin: 0 auto;
  padding: var(--s-12) var(--s-10) var(--s-20);
  animation: rise 0.8s var(--ease-out) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.layout-split {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: var(--s-12);
  align-items: start;
}
@media (max-width: 1100px) {
  .layout-split { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION TITLES — terminal-style label rules
   ============================================================ */

.rule-label {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-bottom: var(--s-6);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--ink-secondary);
}
.rule-label::before {
  content: "›";
  color: var(--signal);
  font-size: 18px;
  line-height: 1;
}
.rule-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--rule-strong) 0%, transparent 100%);
}

/* ============================================================
   INBOX HERO — yasu's "今やる1件"
   ============================================================ */

.inbox-hero {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--rule-strong);
  padding: var(--s-8) var(--s-8);
  overflow: hidden;
  isolation: isolate;
}

/* signal corner — top-left amber bracket */
.inbox-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 28px;
  border-top: 2px solid var(--signal);
  border-left: 2px solid var(--signal);
  box-shadow: -4px -4px 24px var(--signal-shadow);
}
.inbox-hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 28px;
  height: 28px;
  border-bottom: 2px solid var(--signal);
  border-right: 2px solid var(--signal);
  box-shadow: 4px 4px 24px var(--signal-shadow);
}

.hero-tag {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--signal);
  text-shadow: 0 0 14px var(--signal-shadow);
  margin-bottom: var(--s-6);
}
.hero-tag .now-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 14px var(--signal), 0 0 28px var(--signal-shadow);
  animation: pulse-now 1.6s ease-in-out infinite;
}
.hero-tag .id {
  color: var(--ink-tertiary);
  letter-spacing: 0.12em;
  margin-left: auto;
  font-size: 12px;
}

@keyframes pulse-now {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.4); opacity: 0.6; }
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink-bright);
  margin-bottom: var(--s-4);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-2) var(--s-6);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--ink-secondary);
  margin-bottom: var(--s-5);
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--rule);
}
.hero-meta .key { color: var(--ink-tertiary); letter-spacing: 0.1em; margin-right: var(--s-1); font-size: 10px; }
.hero-meta .val { color: var(--ink-bright); font-weight: 500; }
.hero-meta .val.signal { color: var(--signal); }

.hero-memo {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-secondary);
  margin-bottom: var(--s-5);
  padding-left: var(--s-4);
  border-left: 2px solid var(--signal);
  white-space: pre-wrap;
}

/* hero checklist */
.hero-checklist {
  margin-bottom: var(--s-8);
}
.hero-checklist .check-row {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink-primary);
}
.hero-checklist .marker {
  font-size: 13px;
  color: var(--signal);
  width: 16px;
}
.hero-checklist .check-row.done { color: var(--ink-quiet); text-decoration: line-through; }
.hero-checklist .check-row.done .marker { color: var(--go-green); }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}

/* "next up" stack below hero */
.next-stack {
  margin-top: var(--s-12);
}
.next-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: var(--s-5);
  padding: var(--s-4) var(--s-2);
  border-top: 1px solid var(--rule);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.next-row:last-child { border-bottom: 1px solid var(--rule); }
.next-row:hover { background: rgba(255, 255, 255, 0.015); }
.next-row .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-tertiary);
  letter-spacing: 0.1em;
}
.next-row .title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-primary);
}
.next-row .due {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-secondary);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

/* empty inbox */
.inbox-empty {
  padding: var(--s-12) var(--s-8);
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--ink-secondary);
  border: 1px dashed var(--rule-strong);
}
.inbox-empty .icon {
  display: block;
  font-size: 14px;
  font-family: var(--font-mono);
  letter-spacing: 0.22em;
  color: var(--signal);
  margin-bottom: var(--s-5);
  font-style: normal;
}

/* ============================================================
   KANBAN — operations grid for hide
   ============================================================ */

/* Board — vertical stacked sections */
.board-sections {
  display: flex;
  flex-direction: column;
  gap: var(--s-6);
}

.board-section {
  --col-accent: var(--rule-strong);
}
.board-section.col-todo    { --col-accent: var(--status-todo); }
.board-section.col-doing   { --col-accent: var(--status-doing); }
.board-section.col-waiting { --col-accent: var(--status-waiting); }
.board-section.col-done    { --col-accent: var(--status-done); }

.board-section-head {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) 0;
  border-bottom: 2px solid var(--col-accent);
  margin-bottom: var(--s-4);
}
.board-section-head .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--col-accent);
  box-shadow: 0 0 10px var(--col-accent);
  flex-shrink: 0;
}
.board-section-head .label {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--ink-bright);
  flex: 1;
}
.board-section-head .count {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--ink-secondary);
  letter-spacing: 0.06em;
  font-weight: 500;
}

.board-cards {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}

.board-empty {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-quiet);
  padding: var(--s-3) 0;
  letter-spacing: 0.1em;
}

/* Card horizontal layout */
.task-card {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--s-4);
}
.card-top {
  display: flex;
  align-items: center;
  gap: var(--s-2);
}
.card-moves {
  display: flex;
  gap: 2px;
}
.move-btn {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  color: var(--ink-tertiary);
  border: 1px solid var(--rule);
  background: var(--bg-canvas);
  cursor: pointer;
  transition: all var(--dur-fast);
}
.move-btn:hover {
  color: var(--ink-bright);
  border-color: var(--col-accent, var(--rule-strong));
  background: var(--bg-elevated);
}
.move-btn.col-todo    { --col-accent: var(--status-todo); }
.move-btn.col-doing   { --col-accent: var(--status-doing); }
.move-btn.col-waiting { --col-accent: var(--status-waiting); }
.move-btn.col-done    { --col-accent: var(--status-done); }

/* task card */
.task-card {
  position: relative;
  padding: var(--s-4) var(--s-5);
  background: var(--bg-surface);
  border: 1px solid var(--rule);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  width: 100%;
  flex-shrink: 0;
}
.task-card:hover {
  border-color: var(--rule-strong);
  background: var(--bg-elevated);
}
.task-card.is-new {
  border-color: var(--signal-line);
  background: var(--bg-amber-glow);
}
.task-card.is-new .card-id::after {
  content: "NEW";
  margin-left: var(--s-2);
  font-size: 9px;
  font-weight: 600;
  color: var(--signal);
  letter-spacing: 0.1em;
}
.task-card.overdue {
  border-color: rgba(229, 75, 75, 0.4);
}
.task-card.overdue::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--alert-pulse);
  pointer-events: none;
  animation: alert-pulse 2.4s ease-in-out infinite;
}
@keyframes alert-pulse {
  0%, 100% { opacity: 0.3; }
  50%      { opacity: 1; }
}

.task-card .card-id {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-quiet);
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.task-card .card-body-area {
  min-width: 0;
}
.task-card .card-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--ink-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.task-card .meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-secondary);
  letter-spacing: 0.04em;
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.task-card .meta .signal { color: var(--signal); font-weight: 500; }
.task-card .card-actions {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-shrink: 0;
}
.task-card .takeover {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  color: var(--signal);
  border: 1px solid var(--signal-line);
  background: var(--bg-amber-glow);
  transition: all var(--dur-fast);
  font-weight: 500;
}
.task-card .takeover:hover {
  background: var(--signal);
  color: var(--bg-void);
  box-shadow: 0 0 16px var(--signal-shadow);
}

/* ============================================================
   MENTIONS PANEL — incoming signal feed
   ============================================================ */

.mentions-panel {
  position: relative;
}
.mentions-panel .panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--s-5);
}
.mentions-panel .panel-head .title {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--ink-bright);
}
.mentions-panel .panel-head .title::before {
  content: "◉";
  color: var(--signal);
  text-shadow: 0 0 12px var(--signal-shadow);
  font-size: 15px;
  animation: pulse-now 2.4s ease-in-out infinite;
}
.mentions-panel .refresh {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-secondary);
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border: 1px solid var(--rule-strong);
  transition: color var(--dur-fast);
  cursor: pointer;
}
.mentions-panel .refresh:hover { color: var(--signal); border-color: var(--signal-line); }

/* Room list */
.room-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--s-4);
}
.room-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 13px;
  padding: var(--s-3) var(--s-3);
  color: var(--ink-secondary);
  background: none;
  border: none;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: all var(--dur-fast);
  text-align: left;
  width: 100%;
}
.room-item:first-child { border-top: 1px solid var(--rule); }
.room-item:hover { color: var(--ink-bright); background: var(--bg-elevated); }
.room-item.active {
  color: var(--signal);
  background: var(--bg-amber-glow);
}
.room-item .cnt {
  font-size: 11px;
  color: var(--ink-quiet);
  font-variant-numeric: tabular-nums;
}

.mention-item {
  position: relative;
  padding: var(--s-4);
  border: 1px solid var(--rule);
  background: var(--bg-surface);
  margin-bottom: var(--s-3);
  transition: border-color var(--dur-fast);
}
.mention-item:hover { border-color: var(--rule-strong); }

.mention-item .from {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-secondary);
  margin-bottom: var(--s-3);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--rule);
  gap: var(--s-2);
}
.mention-item .from .name { color: var(--signal); font-weight: 500; }
.mention-item .from .time { color: var(--ink-tertiary); }

.mention-item .body {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-primary);
  white-space: pre-wrap;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--s-3);
}

.mention-item .actions {
  display: flex;
  justify-content: flex-end;
}

.mentions-panel .empty {
  padding: var(--s-12) var(--s-4);
  text-align: center;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  color: var(--ink-tertiary);
  border: 1px dashed var(--rule-strong);
}

/* ============================================================
   BUTTONS — terminal command style
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 12px 24px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink-bright);
  background: transparent;
  border: 1px solid var(--rule-strong);
  transition: all var(--dur-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.btn::before {
  content: "[";
  position: absolute;
  left: 8px;
  color: var(--ink-tertiary);
  transition: color var(--dur-fast);
}
.btn::after {
  content: "]";
  position: absolute;
  right: 8px;
  color: var(--ink-tertiary);
  transition: color var(--dur-fast);
}
.btn:hover {
  border-color: var(--ink-secondary);
  color: var(--ink-bright);
}
.btn:hover::before, .btn:hover::after { color: var(--signal); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.btn.primary {
  border-color: var(--signal);
  color: var(--signal);
  background: var(--bg-amber-glow);
}
.btn.primary::before, .btn.primary::after { color: var(--signal-deep); }
.btn.primary:hover {
  background: var(--signal);
  color: var(--bg-void);
  box-shadow: 0 0 24px var(--signal-shadow);
}
.btn.primary:hover::before, .btn.primary:hover::after { color: var(--bg-void); }

.btn.danger {
  border-color: rgba(229, 75, 75, 0.4);
  color: var(--alert-red);
}
.btn.danger:hover {
  background: var(--alert-red);
  color: var(--bg-void);
}

.btn.ghost {
  border-color: transparent;
  padding: 6px 10px;
}
.btn.ghost::before, .btn.ghost::after { content: none; }
.btn.ghost:hover { border-color: var(--rule); color: var(--ink-bright); }

.btn.small {
  padding: 8px 16px;
  font-size: 11px;
  letter-spacing: 0.12em;
}
.btn.small::before, .btn.small::after { content: none; }

/* ============================================================
   FORM CONTROLS
   ============================================================ */

.input,
.textarea,
.select {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-bright);
  background: var(--bg-canvas);
  border: 1px solid var(--rule-strong);
  border-radius: 0;
  transition: all var(--dur-fast) var(--ease-out);
}
.input:focus,
.textarea:focus,
.select:focus {
  border-color: var(--signal);
  background: var(--bg-elevated);
  box-shadow: 0 0 0 1px var(--signal), 0 0 24px var(--signal-shadow);
}
.input::placeholder, .textarea::placeholder { color: var(--ink-quiet); }
.textarea { resize: vertical; min-height: 96px; line-height: 1.55; }
.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23f5b942'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.field { margin-bottom: var(--s-5); }
.field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ink-secondary);
  margin-bottom: var(--s-2);
}

/* ============================================================
   MODAL
   ============================================================ */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px) saturate(120%);
  -webkit-backdrop-filter: blur(8px) saturate(120%);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--s-12) var(--s-4);
  animation: backdrop-in var(--dur-med) var(--ease-out);
}
@keyframes backdrop-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.modal {
  position: relative;
  background: var(--bg-elevated);
  border: 1px solid var(--rule-strong);
  width: 100%;
  max-width: 620px;
  max-height: calc(100vh - 96px);
  overflow-y: auto;
  box-shadow: var(--shadow-deep);
  animation: modal-in var(--dur-med) var(--ease-out);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  opacity: 0.7;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s-6) var(--s-8);
  border-bottom: 1px solid var(--rule);
}
.modal-header h3 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--ink-bright);
}
.modal-body {
  padding: var(--s-8);
}
.modal-footer {
  display: flex;
  gap: var(--s-3);
  justify-content: flex-end;
  align-items: center;
  padding: var(--s-5) var(--s-8);
  border-top: 1px solid var(--rule);
  background: rgba(0, 0, 0, 0.3);
}

/* nested mention quote inside create modal */
.modal .mention-quote {
  background: var(--bg-canvas);
  border-left: 2px solid var(--signal);
  padding: var(--s-4) var(--s-5);
  margin-bottom: var(--s-6);
}
.modal .mention-quote .from {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-tertiary);
  margin-bottom: var(--s-2);
}
.modal .mention-quote .body {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-primary);
  white-space: pre-wrap;
}

/* ============================================================
   LOGIN
   ============================================================ */

.login-shell {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-8);
  overflow: hidden;
}
.login-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 400px at 50% 20%, var(--bg-amber-glow) 0%, transparent 60%),
    radial-gradient(ellipse 600px 300px at 50% 80%, rgba(245,185,66,0.02) 0%, transparent 60%);
  pointer-events: none;
}

.login-card {
  position: relative;
  width: 100%;
  max-width: 460px;
  background: var(--bg-elevated);
  border: 1px solid var(--rule-strong);
  padding: var(--s-12) var(--s-10);
}
.login-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 32px;
  height: 32px;
  border-top: 2px solid var(--signal);
  border-left: 2px solid var(--signal);
}
.login-card::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 32px;
  height: 32px;
  border-bottom: 2px solid var(--signal);
  border-right: 2px solid var(--signal);
}

.login-card .preheader {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--signal);
  text-shadow: 0 0 12px var(--signal-shadow);
  margin-bottom: var(--s-4);
}
.login-card h1 {
  font-family: var(--font-display);
  font-size: 68px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-bright);
  margin-bottom: var(--s-3);
}
.login-card .subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 19px;
  color: var(--ink-secondary);
  margin-bottom: var(--s-10);
}
.login-card .error {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--alert-red);
  margin-top: var(--s-4);
  padding: var(--s-3) var(--s-4);
  border: 1px solid rgba(229, 75, 75, 0.4);
}

/* ============================================================
   CHECKLIST
   ============================================================ */

.checklist-item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-primary);
}
.checklist-item input[type="checkbox"] {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--rule-strong);
  background: var(--bg-canvas);
  position: relative;
  cursor: pointer;
  transition: all var(--dur-fast);
  flex-shrink: 0;
}
.checklist-item input[type="checkbox"]:checked {
  border-color: var(--signal);
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal-shadow);
}
.checklist-item input[type="checkbox"]:checked::after {
  content: "✓";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg-void);
  font-size: 13px;
  font-weight: 700;
}
.checklist-item.done { color: var(--ink-quiet); text-decoration: line-through; }

/* ============================================================
   BADGES
   ============================================================ */

.badge {
  display: inline-block;
  padding: 4px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink-secondary);
  border: 1px solid var(--rule-strong);
}
.badge.priority-high { color: var(--signal); border-color: var(--signal-line); }
.badge.priority-low { color: var(--ink-quiet); }
.badge.overdue {
  color: var(--alert-red);
  border-color: rgba(229, 75, 75, 0.4);
}
.badge.status-todo { color: var(--status-todo); }
.badge.status-doing { color: var(--status-doing); border-color: var(--signal-line); }
.badge.status-waiting { color: var(--status-waiting); }
.badge.status-done { color: var(--status-done); }

/* ============================================================
   DROP ZONE — screenshot drag-and-drop
   ============================================================ */

.drop-zone {
  position: relative;
  border: 2px dashed var(--rule-strong);
  padding: var(--s-8) var(--s-6);
  text-align: center;
  transition: all var(--dur-med) var(--ease-out);
  cursor: default;
  margin-bottom: var(--s-6);
}
.drop-zone:hover {
  border-color: var(--ink-tertiary);
}
.drop-zone--active {
  border-color: var(--signal);
  background: var(--bg-amber-glow);
  box-shadow: var(--glow-signal);
}
.drop-zone--uploading {
  border-color: var(--signal);
  border-style: solid;
}
.drop-zone__content {
  pointer-events: none;
}
.drop-zone__icon {
  font-size: 28px;
  color: var(--signal);
  margin-bottom: var(--s-3);
  transition: transform var(--dur-med) var(--ease-out);
}
.drop-zone--active .drop-zone__icon {
  transform: scale(1.3);
}
.drop-zone--uploading .drop-zone__icon {
  animation: pulse-now 1s ease-in-out infinite;
}
.drop-zone__text {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-primary);
  letter-spacing: 0.08em;
}
.drop-zone__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-tertiary);
  margin-top: var(--s-2);
  letter-spacing: 0.04em;
}
.drop-zone__error {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--alert-red);
  margin-top: var(--s-3);
}

/* Compact drop zone (hide's board) */
.drop-zone--compact {
  padding: var(--s-3) var(--s-4);
  border-width: 1px;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  margin-top: var(--s-5);
  margin-bottom: var(--s-3);
}
.drop-zone--compact .drop-zone__content {
  display: flex;
  align-items: center;
  gap: var(--s-3);
}
.drop-zone--compact .drop-zone__icon {
  font-size: 16px;
  margin-bottom: 0;
}
.drop-zone--compact .drop-zone__text {
  font-size: 11px;
}
.drop-zone--compact .drop-zone__sub {
  display: none;
}

/* Task image preview */
.task-image {
  margin-top: var(--s-4);
  border: 1px solid var(--rule-strong);
}
.task-image img {
  display: block;
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
}