/* Follow-ups page — time-bucket kanban. Borrows variables from board_styles.css. */

:root {
  --fu-surface: #ffffff;
  --fu-surface-alt: #f6f8fa;
  --fu-border: #e3e6ea;
  --fu-muted: #62707d;
  --fu-text: #111827;
  --fu-overdue: #c62828;
  --fu-overdue-bg: #fdecea;
  --fu-today: #b45309;
  --fu-today-bg: #fff4e5;
  --fu-tomorrow: #1565c0;
  --fu-tomorrow-bg: #e3f2fd;
  --fu-week: #2e7d32;
  --fu-week-bg: #e8f5e9;
  --fu-later: #5e35b1;
  --fu-later-bg: #ede7f6;
  --fu-done: #607d8b;
  --fu-done-bg: #eceff1;
  --fu-shadow: 0 1px 2px rgba(16, 24, 40, 0.06);
  --fu-shadow-hover: 0 4px 16px rgba(16, 24, 40, 0.10);
}

.fu-body {
  background: var(--fu-surface-alt);
  color: var(--fu-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  padding: 1.25rem 1.5rem 3rem;
}

.fu-page-head {
  max-width: 1600px;
  margin: 0 auto 1.25rem;
}

.fu-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.fu-header-row h1 {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

.fu-lead {
  color: var(--fu-muted);
  font-size: 0.9rem;
  margin-top: 0.35rem;
}

.fu-lead strong {
  color: var(--fu-text);
}

.fu-add-btn {
  background: #111827;
  color: #fff;
  border: 1px solid #111827;
  padding: 0.55rem 1rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
  box-shadow: var(--fu-shadow);
  transition: background 0.15s ease, transform 0.15s ease;
}
.fu-add-btn:hover { background: #1f2937; transform: translateY(-1px); }
.fu-add-btn:active { transform: translateY(0); }

.fu-board {
  max-width: 1600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, minmax(240px, 1fr));
  gap: 0.9rem;
  align-items: start;
}

@media (max-width: 1280px) {
  .fu-board { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .fu-board { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .fu-board { grid-template-columns: 1fr; }
}

.fu-col {
  background: var(--fu-surface);
  border: 1px solid var(--fu-border);
  border-radius: 12px;
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-height: 180px;
}

.fu-col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.1rem 0.25rem 0.5rem;
  border-bottom: 1px solid var(--fu-border);
  margin-bottom: 0.25rem;
}

.fu-col-head h2 {
  font-size: 0.95rem;
  margin: 0;
  font-weight: 600;
  letter-spacing: 0;
}

.fu-col-count {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--fu-surface-alt);
  color: var(--fu-muted);
}

/* Bucket accents on the left edge of the column */
.fu-col--overdue { border-top: 3px solid var(--fu-overdue); }
.fu-col--overdue .fu-col-count { background: var(--fu-overdue-bg); color: var(--fu-overdue); }
.fu-col--today { border-top: 3px solid var(--fu-today); }
.fu-col--today .fu-col-count { background: var(--fu-today-bg); color: var(--fu-today); }
.fu-col--tomorrow { border-top: 3px solid var(--fu-tomorrow); }
.fu-col--tomorrow .fu-col-count { background: var(--fu-tomorrow-bg); color: var(--fu-tomorrow); }
.fu-col--this_week { border-top: 3px solid var(--fu-week); }
.fu-col--this_week .fu-col-count { background: var(--fu-week-bg); color: var(--fu-week); }
.fu-col--later { border-top: 3px solid var(--fu-later); }
.fu-col--later .fu-col-count { background: var(--fu-later-bg); color: var(--fu-later); }
.fu-col--done { border-top: 3px solid var(--fu-done); }
.fu-col--done .fu-col-count { background: var(--fu-done-bg); color: var(--fu-done); }

.fu-col-body {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 60px;
}

.fu-empty {
  color: var(--fu-muted);
  font-size: 0.82rem;
  font-style: italic;
  text-align: center;
  padding: 1rem 0.25rem;
  margin: 0;
}

/* -------- Cards -------- */

.fu-card {
  border: 1px solid var(--fu-border);
  border-radius: 10px;
  padding: 0.55rem 0.65rem 0.45rem;
  background: var(--fu-surface);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  box-shadow: var(--fu-shadow);
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.fu-card:hover { box-shadow: var(--fu-shadow-hover); transform: translateY(-1px); }

.fu-card--overdue { background: linear-gradient(180deg, #fff5f5 0%, #ffffff 80%); }
.fu-card--done { opacity: 0.72; }
.fu-card--done .fu-title-link { text-decoration: line-through; color: var(--fu-muted); }

.fu-head {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
  word-break: break-word;
}

.fu-title-link {
  color: var(--fu-text);
  text-decoration: none;
}
.fu-title-link:hover { color: #1565c0; text-decoration: underline; }

.fu-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.72rem;
  align-items: center;
}

.fu-source {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  background: var(--fu-surface-alt);
  color: var(--fu-muted);
  text-transform: uppercase;
  font-size: 0.64rem;
  letter-spacing: 0.04em;
}
.fu-source--slack { background: #f4e8ff; color: #6a1b9a; }
.fu-source--jira { background: #e3f2fd; color: #1565c0; }
.fu-source--confluence { background: #e8eaf6; color: #3949ab; }
.fu-source--doc { background: #e0f2f1; color: #00695c; }
.fu-source--other { background: #eceff1; color: #455a64; }

.fu-due {
  color: var(--fu-muted);
  font-weight: 500;
}
.fu-card--overdue .fu-due { color: var(--fu-overdue); font-weight: 600; }
.fu-due--done { color: var(--fu-done); }

.fu-people {
  color: var(--fu-muted);
  font-style: italic;
}

.fu-context {
  font-size: 0.82rem;
  color: #39424d;
  margin: 0;
  line-height: 1.4;
  white-space: pre-wrap;
}

.fu-foot {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.15rem;
  padding-top: 0.35rem;
  border-top: 1px dashed var(--fu-border);
}

.fu-actions {
  display: flex;
  gap: 0.2rem;
  flex-wrap: nowrap;
}

.fu-action {
  border: 1px solid var(--fu-border);
  background: var(--fu-surface);
  color: var(--fu-text);
  padding: 3px 8px;
  font-size: 0.72rem;
  line-height: 1;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.fu-action:hover { background: var(--fu-surface-alt); border-color: #94a3b8; }
.fu-action--done { color: #2e7d32; }
.fu-action--done:hover { background: #e8f5e9; border-color: #81c784; color: #2e7d32; }

.fu-action--icon {
  width: 24px;
  height: 24px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
}

.fu-sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* -------- Add dialog -------- */

.fu-dialog {
  border: none;
  border-radius: 14px;
  padding: 0;
  max-width: 520px;
  width: calc(100% - 2rem);
  box-shadow: 0 24px 60px rgba(0,0,0,0.25);
}
.fu-dialog::backdrop {
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(2px);
}

.fu-form {
  padding: 1.25rem 1.35rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.fu-form h2 { margin: 0; font-size: 1.15rem; }
.fu-form-hint {
  color: var(--fu-muted);
  font-size: 0.8rem;
  margin: 0;
  line-height: 1.4;
}
.fu-form label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: #334155;
}
.fu-form input, .fu-form select {
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--fu-border);
  border-radius: 7px;
  font: inherit;
  background: #fff;
}
.fu-form input:focus, .fu-form select:focus {
  outline: 2px solid #2563eb;
  outline-offset: 1px;
  border-color: #2563eb;
}

.fu-form textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--fu-border);
  border-radius: 7px;
  font-family: SFMono-Regular, ui-monospace, monospace;
  font-size: 0.78rem;
  background: #0f172a;
  color: #f8fafc;
  resize: vertical;
  min-height: 6rem;
}

.fu-header-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.fu-secondary-btn {
  border: 1px solid var(--fu-border);
  background: #fff;
  color: var(--fu-text);
  border-radius: 9px;
  padding: 0.55rem 0.95rem;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
}
.fu-secondary-btn:hover { background: var(--fu-surface-alt); border-color: #94a3b8; }

.fu-form-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.35rem;
}
.fu-form-actions button {
  padding: 0.5rem 0.9rem;
  border-radius: 7px;
  font-weight: 600;
  border: 1px solid var(--fu-border);
  background: #fff;
  cursor: pointer;
  font: inherit;
}
.fu-form-actions .fu-spacer { flex: 1; }
.fu-form-actions .fu-primary-btn {
  background: #111827;
  color: #fff;
  border-color: #111827;
}
.fu-form-actions .fu-primary-btn:hover { background: #1f2937; }
.fu-form-actions .fu-danger-btn {
  background: #fef2f2;
  color: #b91c1c;
  border-color: #fecaca;
}
.fu-form-actions .fu-danger-btn:hover { background: #fee2e2; border-color: #fca5a5; }

/* -------- Toast -------- */

.fu-toast {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #111827;
  color: #f8fafc;
  padding: 0.65rem 1rem;
  border-radius: 9px;
  font-size: 0.85rem;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  max-width: calc(100% - 2rem);
  text-align: center;
}
.fu-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}