/*!
 * Sidre Kanban — Copyright (c) 2026 Emir ONUK. All rights reserved.
 * Proprietary and confidential. See LICENSE.
 */
:root {
  color-scheme: light;
  --color-scheme: light;
  --bg: #f4eee8;
  --bg-glow-1: rgba(184, 122, 87, 0.14);
  --bg-glow-2: rgba(154, 164, 135, 0.16);
  --bg-gradient-start: #faf6f1;
  --bg-gradient-end: #efe6da;
  --panel: rgba(252, 248, 243, 0.96);
  --panel-strong: #fffdfa;
  --panel-border: rgba(99, 80, 67, 0.12);
  --text: #221b15;
  --muted: #6b5d50;
  --accent: #a0785a;
  --accent-strong: #6d4f3f;
  --accent-soft: rgba(160, 120, 90, 0.12);
  --accent-quiet: #ece2d6;
  --support: #9aa487;
  --danger: #b85c38;
  --shadow-sm: 0 1px 2px rgba(48, 34, 22, 0.05), 0 4px 14px rgba(48, 34, 22, 0.06);
  --shadow: 0 8px 24px rgba(60, 42, 28, 0.08);
  --shadow-lg: 0 16px 40px rgba(60, 42, 28, 0.12);
  --notice-bg: rgba(255, 247, 240, 0.96);
  --notice-border: rgba(160, 120, 90, 0.18);
  --avatar-bg: rgba(157, 92, 47, 0.14);
  --button-primary-text: #fffaf6;
  --button-primary-start: #a0785a;
  --button-primary-end: #6d4f3f;
  --button-primary-shadow: 0 4px 12px rgba(109, 79, 63, 0.18);
  --button-ghost-bg: rgba(255, 255, 255, 0.86);
  --button-ghost-border: rgba(99, 80, 67, 0.14);
  --button-danger-text: #fff6f4;
  --button-danger-start: #c46d45;
  --button-danger-end: #a3472b;
  --button-danger-shadow: 0 4px 12px rgba(163, 71, 43, 0.16);
  --project-card-border: rgba(84, 72, 58, 0.1);
  --project-card-bg: rgba(255, 255, 255, 0.7);
  --project-card-selected-border: rgba(160, 120, 90, 0.32);
  --project-card-selected-shadow: inset 0 0 0 1px rgba(160, 120, 90, 0.16);
  --field-border: rgba(84, 72, 58, 0.16);
  --field-bg: rgba(255, 255, 255, 0.94);
  --column-bg: #fbf6ee;
  --column-border: rgba(84, 72, 58, 0.1);
  --column-shadow: 0 2px 6px rgba(60, 42, 28, 0.04);
  --card-bg: #ffffff;
  --card-border: rgba(84, 72, 58, 0.1);
  --card-hover-shadow: 0 4px 14px rgba(60, 42, 28, 0.08);
  --mini-button-bg: rgba(160, 120, 90, 0.1);
  --mini-button-border: rgba(160, 120, 90, 0.12);
  --menu-bg: rgba(255, 252, 247, 0.99);
  --menu-hover-bg: rgba(160, 120, 90, 0.08);
  --menu-danger-hover-bg: rgba(184, 92, 56, 0.12);
  --chip-bg: rgba(160, 120, 90, 0.1);
  --chip-avatar-bg: rgba(109, 79, 63, 0.16);
  --dialog-bg: rgba(255, 252, 246, 0.98);
  --dialog-backdrop: rgba(45, 36, 24, 0.42);
  --theme-option-border: rgba(99, 80, 67, 0.12);
  --theme-option-bg: rgba(255, 255, 255, 0.84);
  --theme-option-selected-border: rgba(160, 120, 90, 0.34);
  --theme-option-selected-shadow: inset 0 0 0 1px rgba(160, 120, 90, 0.16);
  --theme-swatch-border: rgba(99, 80, 67, 0.08);
  --surface-fade-end: rgba(255, 250, 241, 0.92);
  --radius-xl: 14px;
  --radius-lg: 10px;
  --radius-md: 8px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", sans-serif;
  font-size: 14px;
  line-height: 1.45;
  color: var(--text);
  color-scheme: var(--color-scheme);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv11", "ss01", "ss03";
  background:
    radial-gradient(circle at top left, var(--bg-glow-1), transparent 38%),
    radial-gradient(circle at right, var(--bg-glow-2), transparent 32%),
    linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
}

button, input, textarea { font: inherit; }
.material-symbols-outlined { font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 20; font-size: 18px; line-height: 1; }
button { cursor: pointer; border: none; }
a { color: inherit; }

.shell { min-height: 100vh; padding: 14px; }
.hidden { display: none !important; }

/* Login */
.login-screen { display: grid; place-items: center; min-height: calc(100vh - 28px); }
.login-card {
  width: min(640px, 100%);
  padding: 28px 32px;
  border-radius: var(--radius-xl);
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow-lg);
}
.eyebrow { margin: 0 0 8px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.hero-title { margin: 0 0 12px; font-size: clamp(1.8rem, 3.5vw, 2.6rem); line-height: 1.1; letter-spacing: -0.02em; max-width: 18ch; }
.hero-copy { max-width: 56ch; color: var(--muted); font-size: 0.95rem; line-height: 1.55; }
.login-panel { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; }

/* Notices / toast */
.notice, .toast {
  border-radius: var(--radius-md);
  padding: 10px 12px;
  background: var(--notice-bg);
  border: 1px solid var(--notice-border);
  color: var(--accent-strong);
  font-size: 0.88rem;
}
.toast { position: fixed; right: 16px; bottom: 16px; z-index: 40; box-shadow: var(--shadow); }
.toast:not(.hidden) { animation: toast-in 180ms ease-out; }

/* Layout */
.app-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 14px;
  min-height: calc(100vh - 28px);
}
.sidebar, .workspace {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.sidebar { display: flex; flex-direction: column; padding: 14px; gap: 12px; }
.workspace { padding: 16px 18px; overflow: hidden; display: flex; flex-direction: column; }

/* Sidebar user row */
.user-row {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}
.user-row .stack-tight { min-width: 0; }
.user-row .stack-tight strong {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.user-row .stack-tight .muted {
  font-size: 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.user-actions { display: inline-flex; align-items: center; gap: 4px; }

/* Avatars */
.avatar {
  width: 32px; height: 32px;
  flex: 0 0 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--avatar-bg);
  display: inline-grid;
  place-items: center;
}
.avatar-fallback {
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--accent-strong);
  border: 1px solid var(--panel-border);
  letter-spacing: 0.02em;
}

/* Sidebar projects */
.section-title {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted);
  padding: 4px 2px;
}
.section-title .title-with-icon { color: var(--text); font-size: 0.78rem; letter-spacing: 0.06em; }
.title-with-icon { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }
.title-with-icon span:last-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.project-group { display: grid; gap: 6px; }
.project-card {
  border: 1px solid var(--project-card-border);
  border-radius: var(--radius-md);
  background: var(--project-card-bg);
  padding: 10px;
  display: grid;
  gap: 6px;
  min-width: 0;
}
.project-card.selected {
  border-color: var(--project-card-selected-border);
  box-shadow: var(--project-card-selected-shadow);
}
.project-card .sidebar-header {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 8px;
}
.project-card .sidebar-header .stack-tight { min-width: 0; }
.project-card .sidebar-header strong { font-size: 0.88rem; font-weight: 600; }
.project-card .sidebar-header .muted { font-size: 0.72rem; }

.board-link, .shared-board-link {
  display: flex; align-items: center; gap: 6px;
  min-width: 0;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--muted);
  font-size: 0.86rem;
}
.board-link span:last-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-link.active, .board-link:hover, .shared-board-link.active, .shared-board-link:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.board-link.active { font-weight: 600; }

.form-row { display: flex; gap: 8px; margin-top: 4px; }

/* Buttons */
.text-button, .danger-button, .primary-button, .ghost-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border-radius: var(--radius-md);
  padding: 7px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease, border-color 120ms ease;
  white-space: nowrap;
}
.primary-button {
  color: var(--button-primary-text);
  background: linear-gradient(135deg, var(--button-primary-start) 0%, var(--button-primary-end) 100%);
  box-shadow: var(--button-primary-shadow);
}
.ghost-button, .text-button {
  background: var(--button-ghost-bg);
  border: 1px solid var(--button-ghost-border);
  color: var(--text);
}
.ghost-button:hover, .text-button:hover { background: var(--accent-soft); border-color: rgba(160,120,90,0.24); }
.danger-button {
  color: var(--button-danger-text);
  background: linear-gradient(135deg, var(--button-danger-start) 0%, var(--button-danger-end) 100%);
  box-shadow: var(--button-danger-shadow);
}
.primary-button:hover, .danger-button:hover { transform: translateY(-1px); }

.mini-button {
  display: inline-flex; align-items: center; justify-content: center; gap: 4px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: var(--mini-button-bg);
  color: var(--accent-strong);
  border: 1px solid var(--mini-button-border);
  font-size: 0.78rem;
  font-weight: 500;
}
.mini-button:hover { background: var(--accent-soft); }

.icon-button {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.icon-button:hover { background: var(--accent-soft); color: var(--accent-strong); border-color: var(--button-ghost-border); }
.icon-button.subtle { color: var(--muted); }

/* Inline inputs */
.field, .inline-input, .inline-textarea {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  padding: 8px 10px;
  color: var(--text);
  font-size: 0.88rem;
  outline: none;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
.field:focus, .inline-input:focus, .inline-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.inline-input { font-weight: 600; padding: 6px 8px; background: transparent; border: 1px solid transparent; font-size: 0.92rem; }
.inline-input:hover { border-color: var(--field-border); background: var(--field-bg); }
.inline-textarea { min-height: 70px; resize: vertical; }

/* Board toolbar */
.board-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--panel-border);
  flex-wrap: wrap;
}
.board-toolbar-main { display: grid; gap: 4px; min-width: 0; }
.board-title-row { display: flex; align-items: center; gap: 10px; min-width: 0; flex-wrap: wrap; }
.board-title-row h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.board-meta {
  display: flex; gap: 10px; flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.78rem;
}
.board-meta span { display: inline-flex; align-items: center; gap: 4px; }
.board-meta .meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); opacity: 0.5; }
.board-toolbar-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

/* Members row */
.board-members {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.board-members .member-avatar { margin-left: -6px; box-shadow: 0 0 0 2px var(--panel-strong); }
.board-members .member-avatar:first-child { margin-left: 0; }

/* Board surface (columns area) */
.board-surface {
  flex: 1 1 auto;
  overflow: auto;
  scrollbar-width: thin;
  margin: 0 -6px;
  padding: 0 6px 6px;
}
.columns {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: max-content;
  min-width: 100%;
  padding-right: 12px;
  padding-bottom: 4px;
  scroll-snap-type: x proximity;
}

/* Column */
.column {
  width: 280px;
  flex: 0 0 280px;
  background: var(--column-bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--column-border);
  padding: 10px;
  box-shadow: var(--column-shadow);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-self: flex-start;
}
.column-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 4px;
  padding: 0 2px;
}
.column-drag-handle {
  display: inline-grid; place-items: center;
  width: 22px; height: 22px;
  color: var(--muted);
  cursor: grab;
  opacity: 0.5;
  border-radius: var(--radius-sm);
  transition: opacity 120ms ease, background 120ms ease, color 120ms ease;
}
.column-drag-handle:hover { opacity: 1; background: var(--accent-soft); color: var(--accent-strong); }
.column-drag-handle:active { cursor: grabbing; }
.column-drag-handle .material-symbols-outlined { font-size: 16px; }
.column-count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  background: rgba(0,0,0,0.04);
  padding: 1px 6px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
}
.column-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 4px;
}
.column-add {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--muted);
  border: 1px dashed transparent;
  font-size: 0.82rem;
  text-align: left;
  width: 100%;
  justify-content: flex-start;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}
.column-add:hover { background: var(--accent-soft); color: var(--accent-strong); border-color: rgba(160,120,90,0.18); }

/* Card */
.card {
  position: relative;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  transition: box-shadow 120ms ease, transform 120ms ease, border-color 120ms ease;
}
.card:hover { box-shadow: var(--card-hover-shadow); border-color: rgba(160,120,90,0.22); }
.card-summary {
  display: flex; flex-direction: column; gap: 3px;
  padding: 0; border: none; background: transparent;
  text-align: left; color: inherit; cursor: pointer;
  width: 100%;
}
.card-row {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 8px;
}
.card-title {
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--text);
  word-break: break-word;
  flex: 1 1 auto;
}
.card-description {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}
.card-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 6px;
  margin-top: 2px;
  min-height: 22px;
}
.card-actions {
  display: flex; align-items: center; gap: 2px;
  opacity: 0;
  transition: opacity 120ms ease;
}
.card:hover .card-actions, .card-actions.is-open { opacity: 1; }
.card-actions .icon-button { width: 22px; height: 22px; }
.card-actions .icon-button .material-symbols-outlined { font-size: 14px; }

/* Avatar stack on card */
.avatar-stack { display: inline-flex; align-items: center; }
.avatar-stack .assignee-avatar {
  width: 22px; height: 22px;
  margin-left: -6px;
  border: 1.5px solid var(--card-bg);
  font-size: 0.66rem;
}
.avatar-stack .assignee-avatar:first-child { margin-left: 0; }
.avatar-stack .avatar-overflow {
  width: 22px; height: 22px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--accent-quiet);
  color: var(--accent-strong);
  display: inline-grid; place-items: center;
  font-size: 0.66rem; font-weight: 600;
  border: 1.5px solid var(--card-bg);
}

/* Generic assignee chip (used inside dialog) */
.assignee-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 8px 3px 3px;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 500;
  min-width: 0;
}
.assignee-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: inline-grid; place-items: center;
  background: var(--chip-avatar-bg);
  color: var(--accent-strong);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}

/* Action menu */
.action-menu { position: relative; }
.menu-popover {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  z-index: 50;
  min-width: 180px;
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--panel-border);
  background: var(--menu-bg);
  box-shadow: var(--shadow-lg);
  display: grid; gap: 2px;
}
.menu-item {
  display: inline-flex; align-items: center; gap: 8px;
  width: 100%;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: transparent;
  text-align: left;
  color: var(--text);
  font-size: 0.84rem;
}
.menu-item:hover { background: var(--menu-hover-bg); }
.danger-text { color: var(--danger); }
.danger-text:hover { background: var(--menu-danger-hover-bg); }
.menu-field {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 6px 8px;
  width: 100%;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.78rem;
}
.menu-field > span:not(.material-symbols-outlined) {
  font-weight: 600;
}
.menu-field select,
.menu-check-list {
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
}
.menu-field select {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--text);
  font: inherit;
}
.menu-check-list {
  display: grid;
  gap: 2px;
}
.menu-check {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.menu-check:hover { background: var(--menu-hover-bg); }
.menu-check input { accent-color: var(--accent); }
.menu-check span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card .menu-popover { min-width: 210px; }

/* Pill */
.pill {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-quiet);
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* Empty state */
.empty-state {
  display: grid; place-items: center;
  flex: 1 1 auto;
  text-align: center;
  color: var(--muted);
  padding: 24px;
}
.empty-state h2 { font-size: 1.1rem; font-weight: 600; margin: 8px 0 4px; }
.empty-state p { font-size: 0.88rem; max-width: 48ch; margin: 0 auto; }

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

/* Invite */
.invite-panel {
  background: var(--dialog-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 22px;
  max-width: 640px;
}
.invite-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

/* Dialog */
.dialog-backdrop {
  position: fixed; inset: 0; z-index: 60;
  background: var(--dialog-backdrop);
  backdrop-filter: blur(2px);
  display: grid; place-items: center;
  padding: 16px;
}
.dialog-card {
  background: var(--dialog-bg);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: min(560px, 100%);
  padding: 18px 20px;
}
.card-detail-dialog {
  width: min(1180px, calc(100vw - 28px));
  height: min(880px, calc(100vh - 28px));
  display: flex;
  flex-direction: column;
  overflow: auto;
}
.card-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 16px;
  align-items: start;
  min-height: 0;
  flex: 0 0 auto;
}
.card-detail-main,
.card-detail-side {
  min-height: 0;
}
.card-detail-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.card-detail-main .dialog-field:last-child {
  min-height: 0;
  flex: 0 0 auto;
}
.card-detail-main .dialog-field + .dialog-field { margin-top: 0; }
.description-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card-title-input { font-size: 1.05rem; font-weight: 600; }
.dialog-close-button {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  display: inline-grid;
  place-items: center;
  color: var(--text);
  background: var(--button-ghost-bg);
  border: 1px solid var(--button-ghost-border);
}
.dialog-close-button .material-symbols-outlined { font-size: 24px; }
.description-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.description-toolbar > span:first-child {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.markdown-preview {
  flex: 0 0 auto;
  min-height: 150px;
  max-height: min(420px, 48vh);
  overflow: auto;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--field-border);
  background: var(--field-bg);
  color: var(--text);
}
.markdown-preview h1,
.markdown-preview h2,
.markdown-preview h3 { margin: 0 0 10px; line-height: 1.2; }
.markdown-preview h1 { font-size: 1.45rem; }
.markdown-preview h2 { font-size: 1.2rem; }
.markdown-preview h3 { font-size: 1.05rem; }
.markdown-preview p,
.markdown-preview ul,
.markdown-preview ol,
.markdown-preview blockquote,
.markdown-preview pre { margin: 0 0 12px; }
.markdown-preview a { color: var(--accent-strong); font-weight: 600; }
.markdown-preview code {
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
}
.markdown-preview pre {
  overflow: auto;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(0,0,0,0.06);
}
.markdown-empty {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-style: italic;
}
.markdown-empty strong { font-weight: 500; }
.markdown-empty span { font-size: 0.86rem; }
.markdown-editor {
  min-height: 180px;
  height: min(360px, 44vh);
  flex: 0 0 auto;
  display: block;
}
.theme-dialog {
  width: min(720px, 100%);
  max-height: min(86vh, 900px);
  overflow: auto;
}
.theme-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.theme-option {
  display: grid; gap: 6px;
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--theme-option-border);
  background: var(--theme-option-bg);
  text-align: left;
  color: var(--text);
}
.theme-option strong { font-size: 0.9rem; }
.theme-option .muted { font-size: 0.78rem; }
.theme-option.selected {
  border-color: var(--theme-option-selected-border);
  box-shadow: var(--theme-option-selected-shadow);
}
.theme-swatches { display: flex; gap: 6px; }
.theme-swatch { width: 22px; height: 22px; border-radius: 999px; border: 1px solid var(--theme-swatch-border); }

.dialog-header {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: 10px;
  margin-bottom: 12px;
}
.dialog-header h3 { margin: 0; font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; }
.dialog-field { display: grid; gap: 6px; }
.dialog-field + .dialog-field { margin-top: 12px; }
.dialog-field > span:first-child { font-size: 0.78rem; font-weight: 600; color: var(--muted); letter-spacing: 0.02em; text-transform: uppercase; }
.dialog-textarea { min-height: 110px; resize: vertical; }

.member-picker { display: flex; gap: 6px; flex-wrap: wrap; }
.member-option { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.member-option input { accent-color: var(--accent); }

/* Card attachments (Drive file links) */
.attachment-list { display: grid; gap: 6px; }
.attachment-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}
.attachment-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
}
.attachment-link:hover { color: var(--accent-strong); }
.attachment-link .material-symbols-outlined { color: var(--muted); font-size: 18px; flex-shrink: 0; }
.attachment-link:hover .material-symbols-outlined { color: var(--accent-strong); }
.attachment-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attachment-link .material-symbols-outlined:last-child { font-size: 15px; opacity: 0.65; }
.attachment-remove { width: 26px; height: 26px; flex-shrink: 0; }
.attachment-remove .material-symbols-outlined { font-size: 15px; }
.attachment-form { display: grid; gap: 6px; margin-top: 8px; }
.attachment-form .primary-button { justify-content: center; }
.attachment-images { display: flex; flex-wrap: wrap; gap: 8px; }
.attachment-image-item { position: relative; width: 84px; height: 84px; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--panel-border); background: var(--accent-soft); }
.attachment-image-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.attachment-image-item .attachment-remove { position: absolute; top: 3px; right: 3px; width: 22px; height: 22px; background: rgba(20, 14, 10, 0.55); color: #fff; border-radius: 50%; }
.attachment-image-item .attachment-remove .material-symbols-outlined { font-size: 14px; }

/* Time tracking */
.card-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.card-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--accent-soft);
  white-space: nowrap;
}
.card-chip .material-symbols-outlined { font-size: 14px; }
.card-chip.due.is-overdue { color: #fff; background: var(--danger); }
.card-chip.is-running { color: var(--accent-strong); background: rgba(160, 120, 90, 0.22); }
.card-chip.is-running .material-symbols-outlined { animation: timer-pulse 1.6s ease-in-out infinite; }
@keyframes timer-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.45; } }

.time-fields { display: grid; gap: 8px; }
.time-field { display: flex; flex-direction: column; gap: 4px; }
.time-field-label { font-size: 0.72rem; color: var(--muted); font-weight: 600; }
.time-field .field { width: 100%; }
.time-field .field.is-overdue { border-color: var(--danger); color: var(--danger); }

.timer-row { display: flex; align-items: center; gap: 10px; margin-top: 10px; }
.timer-button { justify-content: center; }
.timer-button.is-running { background: var(--danger); border-color: var(--danger); }
.timer-readout { display: flex; align-items: baseline; gap: 4px; font-variant-numeric: tabular-nums; }
.timer-elapsed { font-size: 1.05rem; font-weight: 700; color: var(--accent-strong); }
.timer-estimate { font-size: 0.8rem; color: var(--muted); }

/* View toggle (board / timeline) */
.view-toggle { display: inline-flex; border: 1px solid var(--panel-border); border-radius: var(--radius-md); overflow: hidden; }
.view-toggle-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 10px; border: none; background: transparent;
  color: var(--muted); font-size: 0.8rem; font-weight: 600; cursor: pointer;
}
.view-toggle-btn .material-symbols-outlined { font-size: 16px; }
.view-toggle-btn.active { background: var(--accent-soft); color: var(--accent-strong); }

/* Timeline / Gantt */
.timeline-surface { padding: 6px 2px 18px; }
.timeline-scroll { overflow-x: auto; padding-bottom: 6px; }
.timeline { display: grid; grid-template-columns: 180px 1fr; min-width: 640px; align-items: start; }
.timeline-corner { height: 26px; }
.timeline-axis { position: relative; height: 26px; border-bottom: 1px solid var(--panel-border); }
.timeline-tick { position: absolute; top: 2px; transform: translateX(-50%); font-size: 0.68rem; color: var(--muted); white-space: nowrap; }
.timeline-tick span { position: relative; }
.timeline-tick::after { content: ""; position: absolute; left: 50%; bottom: -8px; width: 1px; height: 6px; background: var(--panel-border); }
.timeline-labels { display: flex; flex-direction: column; }
.timeline-label { height: 34px; display: flex; align-items: center; gap: 6px; padding-right: 10px; overflow: hidden; }
.timeline-row-title { font-size: 0.82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.timeline-tracks { position: relative; }
.timeline-track-row { height: 34px; position: relative; }
.timeline-track-row + .timeline-track-row { border-top: 1px dashed rgba(99, 80, 67, 0.08); }
.timeline-today { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--accent); opacity: 0.5; transform: translateX(-1px); z-index: 2; pointer-events: none; }
.timeline-bar {
  position: absolute; top: 6px; height: 22px; min-width: 8px;
  display: flex; align-items: center; padding: 0 8px;
  border: none; border-radius: 999px; cursor: pointer;
  background: var(--accent); color: #fff;
  font-size: 0.72rem; font-weight: 600; overflow: hidden; z-index: 1;
}
.timeline-bar:hover { filter: brightness(1.06); }
.timeline-bar.is-overdue { background: var(--danger); }
.timeline-bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.timeline-undated { margin: 16px 0 0 180px; display: flex; flex-direction: column; gap: 6px; }
.timeline-undated-cards { display: flex; flex-wrap: wrap; gap: 6px; }
.timeline-chip { border: 1px solid var(--panel-border); background: var(--panel); border-radius: 999px; padding: 4px 10px; font-size: 0.76rem; cursor: pointer; color: var(--accent-strong); }
.timeline-chip:hover { background: var(--accent-soft); }

/* Drive */
.drive-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 10px 0 12px;
  padding: 10px 12px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  background: var(--project-card-bg);
}
.drive-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.drive-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 2px 0;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  text-align: left;
}
.drive-toggle span:last-child {
  font-size: 0.96rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.drive-toggle .material-symbols-outlined { color: var(--muted); }
.drive-header-actions { display: inline-flex; align-items: center; gap: 4px; }
.drive-header-actions .icon-button { text-decoration: none; }
.drive-frame {
  width: 100%;
  height: min(320px, 42vh);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: var(--field-bg);
}
.board-settings-dialog { width: min(620px, 100%); }
.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 14px;
}

/* Sidebar nav */
.side-nav { display: grid; gap: 4px; padding: 2px; }
.side-nav-link {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 500;
  text-align: left;
  width: 100%;
}
.side-nav-link:hover { background: var(--accent-soft); color: var(--accent-strong); }
.side-nav-link.active {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: var(--button-ghost-border);
  font-weight: 600;
}

/* Flag pill on column header */
.flag-pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 7px 1px 5px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.flag-dot { width: 8px; height: 8px; border-radius: 999px; display: inline-block; flex: 0 0 8px; }
.column-header { grid-template-columns: auto minmax(0, 1fr) auto auto auto; }
.column[data-flag="todo"] { box-shadow: inset 3px 0 0 #4d6fa8, var(--column-shadow); }
.column[data-flag="wip"] { box-shadow: inset 3px 0 0 #c99f37, var(--column-shadow); }
.column[data-flag="done"] { box-shadow: inset 3px 0 0 #5f7d28, var(--column-shadow); }
.column[data-flag="review"] { box-shadow: inset 3px 0 0 #7e6bb5, var(--column-shadow); }
.column[data-flag="backlog"] { box-shadow: inset 3px 0 0 #9aa487, var(--column-shadow); }

/* Column dialog flag grid */
.flag-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.flag-option {
  display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--theme-option-border);
  background: var(--theme-option-bg);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: border-color 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.flag-option:hover { background: var(--accent-soft); }
.flag-option.selected {
  border-color: var(--theme-option-selected-border);
  box-shadow: var(--theme-option-selected-shadow);
}
.flag-option .flag-dot { width: 14px; height: 14px; }
.flag-option .flag-label { display: grid; gap: 1px; min-width: 0; }
.flag-option .flag-label strong { font-size: 0.86rem; font-weight: 600; }
.flag-option .flag-label .muted { font-size: 0.76rem; }

/* Dashboard layout */
.dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  padding-bottom: 8px;
}
.dashboard-settings-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  z-index: 20;
  display: grid;
  gap: 4px;
  min-width: 190px;
  padding: 8px;
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  background: var(--menu-bg);
  box-shadow: var(--shadow);
}
.board-toolbar-actions { position: relative; }
.dashboard-flag-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.86rem;
}
.dashboard-flag-option:hover { background: var(--menu-hover-bg); }
.dashboard-flag-option input { accent-color: var(--accent); }
.dashboard-list {
  display: flex; flex-direction: column;
  gap: 10px;
  background: var(--column-bg);
  border: 1px solid var(--column-border);
  border-radius: var(--radius-lg);
  padding: 12px;
  min-height: 100px;
}
.dashboard-list-header {
  display: flex; align-items: center; gap: 8px;
  padding: 0 2px;
}
.dashboard-list-marker { width: 10px; height: 10px; border-radius: 999px; }
.dashboard-list-header h3 { margin: 0; font-size: 0.95rem; font-weight: 600; letter-spacing: -0.01em; flex: 1; }
.dashboard-empty {
  padding: 24px 12px;
  text-align: center;
  font-size: 0.84rem;
  border: 1px dashed var(--panel-border);
  border-radius: var(--radius-md);
}
.dashboard-groups { display: flex; flex-direction: column; gap: 12px; }
.dashboard-group { display: flex; flex-direction: column; gap: 6px; }
.dashboard-group-title {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 0 2px;
}
.dashboard-cards { display: flex; flex-direction: column; gap: 6px; }
.dashboard-card { background: var(--card-bg); }
.card-meta {
  display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  margin-top: 2px;
}
.meta-chip {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.72rem;
  font-weight: 500;
}
.meta-chip.muted { background: rgba(0,0,0,0.04); color: var(--muted); }
.meta-chip .material-symbols-outlined { font-size: 13px; }

@media (max-width: 1100px) {
  .dashboard { grid-template-columns: 1fr; }
}

/* Sortable */
.sortable-ghost { opacity: 0.4; }
.sortable-drag { transform: rotate(1.2deg); box-shadow: var(--shadow-lg); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Export mode (clean snapshot) */
.export-mode .board-toolbar-actions,
.export-mode .card-actions,
.export-mode .column-add,
.export-mode .form-row,
.export-mode .column-actions,
.export-mode .icon-button[data-action='toggle-menu'] { display: none !important; }
.export-mode .board-surface { overflow: visible !important; }
.export-mode .columns { width: max-content; }

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .board-surface { max-height: none; }
}

@media (max-width: 720px) {
  .shell { padding: 10px; }
  .login-card, .sidebar, .workspace { padding: 12px; border-radius: var(--radius-lg); }
  .board-toolbar { flex-direction: column; align-items: stretch; gap: 10px; }
  .board-title-row h2 { font-size: 1.1rem; white-space: normal; }
  .board-toolbar-actions { display: flex; flex-wrap: wrap; }
  .columns { gap: 10px; padding-right: 18vw; }
  .column { width: 80vw; max-width: 290px; flex-basis: 80vw; }
  .theme-grid { grid-template-columns: 1fr; }
  .card-detail-layout { grid-template-columns: 1fr; overflow: auto; }
  .card-detail-dialog { width: calc(100vw - 20px); height: calc(100vh - 20px); }
  .card-detail-side { padding-bottom: 12px; }
  .form-row { flex-direction: column; }
  .toast { left: 50%; right: auto; bottom: 14px; transform: translateX(-50%); width: min(320px, calc(100vw - 28px)); }
  .dialog-backdrop { padding: 10px; }
}