/* ============================================================
   dev-workspace.css — Developer Workspace (Phases 5-7, 14-16)
   ============================================================
   Extends the existing dashboard design system. 4px spacing unit,
   10-16px radii, restrained shadows, high density without clutter.
   Max content width 1440px, page padding 24-32px desktop / 24 tablet
   / 16 mobile. Responsive: 12-col desktop → 2-col tablet → 1 mobile.
   ============================================================ */

:root {
  --opdev-max-w: 1440px;
  --opdev-gap: 16px;
  --opdev-radius: 12px;
  --opdev-border: 1px solid rgba(148, 163, 184, 0.25);
  --opdev-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
  --opdev-primary: #6366f1;
  --opdev-ok: #10b981;
  --opdev-warn: #f59e0b;
  --opdev-bad: #ef4444;
}

/* ---------- layout ---------- */
.opdev {
  max-width: var(--opdev-max-w);
  margin: 0 auto;
  padding: 24px 32px 48px;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--opdev-gap);
}
.opdev > * { min-width: 0; }

.opdev-profile  { grid-column: span 12; }
.opdev-project  { grid-column: span 12; }
.opdev-progress { grid-column: span 4; }
.opdev-tasks    { grid-column: span 8; }
.opdev-activity { grid-column: span 7; }
.opdev-recent   { grid-column: span 5; }
.opdev-team     { grid-column: span 12; }

@media (max-width: 1199px) {
  .opdev { padding: 24px; }
  .opdev-progress, .opdev-tasks { grid-column: span 6; }
  .opdev-activity, .opdev-recent { grid-column: span 6; }
}
@media (max-width: 767px) {
  .opdev { padding: 16px; grid-template-columns: 1fr; }
  .opdev > * { grid-column: auto; }
}

/* ---------- cards ---------- */
.opdev-card {
  background: var(--bg, #fff);
  border: var(--opdev-border);
  border-radius: var(--opdev-radius);
  box-shadow: var(--opdev-shadow);
  padding: 20px;
}
.opdev-card h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.4;
}

/* ---------- profile strip ---------- */
.opdev-profile {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.opdev-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(99, 102, 241, 0.12);
  color: var(--opdev-primary);
  display: grid; place-items: center;
  font-weight: 700; font-size: 20px;
}
.opdev-profile-meta { flex: 1; min-width: 200px; }
.opdev-profile-meta .name { font-size: 20px; font-weight: 700; line-height: 1.3; }
.opdev-profile-meta .sub  { font-size: 13px; color: #64748b; margin-top: 2px; }
.opdev-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.opdev-chip {
  font-size: 12px; font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(99, 102, 241, 0.1);
  color: var(--opdev-primary);
}
.opdev-chip.ok   { background: rgba(16, 185, 129, 0.12); color: #047857; }
.opdev-chip.warn { background: rgba(245, 158, 11, 0.14); color: #b45309; }

/* ---------- project card ---------- */
.opdev-project-top {
  display: flex; justify-content: space-between;
  align-items: flex-start; gap: 16px; flex-wrap: wrap;
}
.opdev-status {
  font-size: 12px; font-weight: 700; letter-spacing: 0.4px;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(99, 102, 241, 0.12); color: var(--opdev-primary);
  text-transform: uppercase;
}
.opdev-stats { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 12px; }
.opdev-stat .num { font-size: 24px; font-weight: 700; line-height: 1.2; }
.opdev-stat .lbl { font-size: 12px; color: #64748b; }

/* ---------- progress bars ---------- */
.opdev-bar {
  height: 8px; border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  overflow: hidden;
}
.opdev-bar > span {
  display: block; height: 100%;
  border-radius: 999px;
  background: var(--opdev-primary);
  transition: width 200ms ease;
}
.opdev-bar.ok > span    { background: var(--opdev-ok); }
.opdev-bar.warn > span  { background: var(--opdev-warn); }
.opdev-bar.bad > span   { background: var(--opdev-bad); }

.opdev-dim { margin-bottom: 10px; }
.opdev-dim .row {
  display: flex; justify-content: space-between;
  font-size: 13px; margin-bottom: 4px;
}
.opdev-dim .row .val { color: #64748b; }

/* ---------- requirement bars ---------- */
.opdev-req { margin-bottom: 10px; }
.opdev-req .row {
  display: flex; justify-content: space-between;
  font-size: 13px; margin-bottom: 4px; gap: 8px;
}
.opdev-req .w { color: #64748b; white-space: nowrap; }

/* ---------- task cards ---------- */
.opdev-task {
  border: var(--opdev-border);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 12px;
  background: #fff;
}
.opdev-task .t-main { flex: 1; min-width: 0; }
.opdev-task .t-title { font-weight: 600; font-size: 14px; }
.opdev-task .t-meta  { font-size: 12px; color: #64748b; margin-top: 2px; }
.opdev-task .t-actions { display: flex; gap: 8px; }
.opdev-btn {
  height: 36px; padding: 0 14px;
  border-radius: 8px; border: var(--opdev-border);
  background: #fff; font-weight: 600; font-size: 13px;
  cursor: pointer;
  transition: background 150ms ease;
}
.opdev-btn:hover { background: rgba(99, 102, 241, 0.06); }
.opdev-btn:focus-visible { outline: 2px solid var(--opdev-primary); outline-offset: 2px; }
.opdev-btn.primary { background: var(--opdev-primary); border-color: var(--opdev-primary); color: #fff; }
.opdev-btn.primary:hover { filter: brightness(1.05); }
.opdev-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ---------- 14-day heatmap ---------- */
.opdev-grid {
  display: grid;
  grid-template-columns: repeat(14, 1fr);
  gap: 4px;
}
.opdev-cell {
  aspect-ratio: 1;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  transition: transform 150ms ease;
}
.opdev-cell:hover { transform: scale(1.12); }
.opdev-cell:focus-visible { outline: 2px solid var(--opdev-primary); outline-offset: 1px; }
.opdev-cell.lvl0 { background: rgba(148, 163, 184, 0.18); }
.opdev-cell.lvl1 { background: #c7d2fe; }
.opdev-cell.lvl2 { background: #818cf8; }
.opdev-cell.lvl3 { background: #4f46e5; }

.opdev-tip {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%; transform: translateX(-50%);
  background: #0f172a; color: #f8fafc;
  font-size: 12px; line-height: 1.5;
  padding: 8px 10px;
  border-radius: 8px;
  white-space: nowrap;
  z-index: 30;
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
}

/* tooltip via data attribute (hover + focus) */
.opdev-cell:hover::after,
.opdev-cell:focus-visible::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%; transform: translateX(-50%);
  background: #0f172a; color: #f8fafc;
  font-size: 12px; line-height: 1.6;
  padding: 8px 10px;
  border-radius: 8px;
  white-space: nowrap;
  z-index: 30;
  text-align: left;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.25);
}

/* ---------- activity feed ---------- */
.opdev-feed { list-style: none; margin: 0; padding: 0; }
.opdev-feed li {
  display: flex; gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.15);
  font-size: 13px;
}
.opdev-feed li:last-child { border-bottom: none; }
.opdev-feed .when { color: #64748b; white-space: nowrap; font-size: 12px; }
.opdev-feed .type {
  font-weight: 600; color: var(--opdev-primary);
  font-size: 12px; white-space: nowrap;
}

/* ---------- states (Phase 16) ---------- */
.opdev-empty, .opdev-loading, .opdev-error {
  padding: 32px 20px;
  text-align: center;
  color: #64748b;
  font-size: 14px;
}
.opdev-error { color: var(--opdev-bad); }
.opdev-skeleton {
  border-radius: 8px;
  background: linear-gradient(90deg, rgba(148,163,184,0.12) 25%, rgba(148,163,184,0.22) 50%, rgba(148,163,184,0.12) 75%);
  background-size: 200% 100%;
  animation: opdev-shimmer 1.4s infinite;
  height: 16px;
  margin-bottom: 10px;
}
@keyframes opdev-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  .opdev-cell, .opdev-bar > span, .opdev-btn { transition: none; }
  .opdev-skeleton { animation: none; }
}

/* ============================================================
   1percent student dashboard visual refresh
   White + light-green developer workspace
   ============================================================ */

:root {
  --opdev-primary: #0d6e3f;
  --opdev-primary-dark: #0a5c34;
  --opdev-primary-soft: #ecfdf5;
  --opdev-primary-pale: #f0fdf4;
  --opdev-ok: #10b981;
}

#dev-workspace-root { background: #fff; }

.opdev {
  max-width: 1440px;
  padding: 8px 32px 32px;
  gap: 16px;
}

.opdev-card {
  background: #fff;
  border: 1px solid #e5eee9;
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(13, 110, 63, .045);
  padding: 22px;
}

.opdev-card h3 {
  color: #111827;
  font-size: 16px;
  font-weight: 750;
}

.opdev-profile {
  padding: 22px 24px;
  background: linear-gradient(180deg, #fff 0%, #f7fdf9 100%);
  border-color: #dceee4;
}

.opdev-avatar,
.opdev-member-avatar {
  background: #dcfce7;
  color: #0d6e3f;
}

.opdev-profile-meta .name { color: #111827; font-size: 21px; }
.opdev-profile-meta .sub,
.opdev-stat .lbl,
.opdev-dim .row .val,
.opdev-req .w { color: #64748b; }

.opdev-chip { background: #ecfdf5; color: #0d6e3f; }
.opdev-chip.ok { background: #d1fae5; color: #065f46; }

.opdev-project-top h3 { font-size: 20px; letter-spacing: -.2px; }

.opdev-status {
  background: #dcfce7;
  color: #065f46;
  border: 1px solid #bbf7d0;
}

.opdev-bar > span { background: #0d6e3f; }
.opdev-bar.ok > span { background: #10b981; }

.opdev-btn.primary {
  background: #0d6e3f;
  border-color: #0d6e3f;
}
.opdev-btn.primary:hover { background: #0a5c34; }
.opdev-btn:hover { background: #f0fdf4; }

.opdev-btn:focus-visible,
.opdev-cell:focus-visible { outline-color: #0d6e3f; }

.opdev-cell.lvl1 { background: #dcfce7; }
.opdev-cell.lvl2 { background: #86efac; }
.opdev-cell.lvl3 { background: #16a34a; }

.opdev-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.opdev-section-head h3 { margin-bottom: 0; }

.opdev-section-note,
.opdev-section-link {
  font-size: 12px;
  color: #0d6e3f;
  font-weight: 650;
  text-decoration: none;
}

.opdev-feed li { align-items: flex-start; padding: 11px 0; }
.opdev-feed-dot {
  width: 9px;
  height: 9px;
  margin-top: 4px;
  border-radius: 50%;
  background: #34d399;
  flex: 0 0 auto;
  box-shadow: 0 0 0 4px #ecfdf5;
}
.opdev-feed-main { flex: 1; min-width: 0; }
.opdev-feed-title { color: #111827; font-weight: 600; line-height: 1.4; }
.opdev-feed-meta {
  margin-top: 3px;
  color: #94a3b8;
  font-size: 11px;
  text-transform: capitalize;
}
.opdev-feed-link { color: #0d6e3f; text-decoration: none; font-weight: 700; }
.opdev-feed-empty { color: #94a3b8; justify-content: center; }

.opdev-team-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.opdev-member {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid #e5eee9;
  border-radius: 10px;
  background: #fbfefc;
}

.opdev-member-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 800;
  object-fit: cover;
}

.opdev-member-meta { min-width: 0; }
.opdev-member-meta strong,
.opdev-member-meta span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.opdev-member-meta strong { font-size: 12px; color: #111827; }
.opdev-member-meta span { margin-top: 2px; font-size: 11px; color: #64748b; }

.opdev-project-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #edf3ef;
}
.opdev-project-meta div { min-width: 0; }
.opdev-project-meta span,
.opdev-project-meta strong { display: block; }
.opdev-project-meta span {
  font-size: 10px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.opdev-project-meta strong {
  margin-top: 4px;
  font-size: 12px;
  color: #1f2937;
}

@media (max-width: 1199px) {
  .opdev-team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .opdev-project-meta { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .opdev { padding: 8px 16px 24px; }
  .opdev-card { padding: 18px; border-radius: 12px; }
  .opdev-profile { align-items: flex-start; }
  .opdev-profile-meta { min-width: calc(100% - 72px); }
  .opdev-chips { width: 100%; padding-left: 72px; }
  .opdev-project-top h3 { font-size: 18px; }
  .opdev-task { align-items: flex-start; flex-direction: column; }
  .opdev-task .t-actions { width: 100%; flex-wrap: wrap; }
  .opdev-btn { min-height: 40px; }
  .opdev-team-grid,
  .opdev-project-meta { grid-template-columns: 1fr; }
  .opdev-grid { gap: 3px; }
}