/* ===== OS (Verslo Centras) — Light/Dark theme ===== */

:root {
  --os-bg: #f8fafc;
  --os-bg-card: #ffffff;
  --os-bg-sidebar: #f1f5f9;
  --os-text: #1e293b;
  --os-text-muted: #64748b;
  --os-text-light: #94a3b8;
  --os-border: #e2e8f0;
  --os-accent: #0ea5e9;
  --os-accent-soft: #e0f2fe;
  --os-green: #22c55e;
  --os-green-soft: #dcfce7;
  --os-yellow: #f59e0b;
  --os-yellow-soft: #fef9c3;
  --os-red: #ef4444;
  --os-red-soft: #fee2e2;
  --os-skill-bg: #fffbeb;
  --os-skill-border: #fde68a;
  --os-topbar-bg: #ffffff;
  --os-topbar-border: #e2e8f0;
  --os-shadow: 0 1px 3px rgba(0,0,0,0.07), 0 1px 2px rgba(0,0,0,0.04);
  --os-shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.04);
  --os-radius: 12px;
  --os-radius-sm: 8px;
}

[data-theme="dark"] {
  --os-bg: #0f172a;
  --os-bg-card: #1e293b;
  --os-bg-sidebar: #162032;
  --os-text: #f1f5f9;
  --os-text-muted: #94a3b8;
  --os-text-light: #64748b;
  --os-border: #2d3f55;
  --os-accent: #38bdf8;
  --os-accent-soft: #0c2a3f;
  --os-green: #4ade80;
  --os-green-soft: #052e16;
  --os-yellow: #fbbf24;
  --os-yellow-soft: #2d2000;
  --os-red: #f87171;
  --os-red-soft: #2d0a0a;
  --os-skill-bg: #1f1a00;
  --os-skill-border: #78350f;
  --os-topbar-bg: #1e293b;
  --os-topbar-border: #2d3f55;
  --os-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --os-shadow-md: 0 4px 6px rgba(0,0,0,0.3), 0 2px 4px rgba(0,0,0,0.2);
}

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

body.os-page {
  margin: 0;
  min-height: 100vh;
  background: var(--os-bg);
  color: var(--os-text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  transition: background 0.2s, color 0.2s;
}

/* ===== TOP BAR ===== */
.os-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: 52px;
  background: var(--os-topbar-bg);
  border-bottom: 1px solid var(--os-topbar-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--os-shadow);
}

.os-topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.os-back {
  color: var(--os-text-muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.15s;
}
.os-back:hover { color: var(--os-accent); }

.os-topbar-brand {
  font-size: 15px;
  font-weight: 700;
  color: var(--os-text);
  display: flex;
  align-items: center;
  gap: 6px;
}

.os-topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.os-theme-btn {
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  color: var(--os-text-muted);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}
.os-theme-btn:hover {
  background: var(--os-accent-soft);
  color: var(--os-accent);
  border-color: var(--os-accent);
}

.os-user-badge {
  font-size: 12px;
  color: var(--os-text-muted);
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  border-radius: 20px;
  padding: 4px 10px;
}

/* ===== NAV TABS ===== */
.os-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 16px;
  background: var(--os-topbar-bg);
  border-bottom: 1px solid var(--os-topbar-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.os-nav::-webkit-scrollbar { display: none; }

.os-nav-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 10px 14px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  color: var(--os-text-muted);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s;
}
.os-nav-link:hover { color: var(--os-text); }
.os-nav-link.active {
  color: var(--os-accent);
  border-bottom-color: var(--os-accent);
}
.os-nav-link .coming {
  font-size: 10px;
  background: var(--os-yellow-soft);
  color: var(--os-yellow);
  border-radius: 4px;
  padding: 1px 5px;
}

/* ===== CONTENT ===== */
.os-content {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

/* ===== LOGIN WALL ===== */
.os-login-wall {
  text-align: center;
  padding: 80px 20px;
}
.os-login-wall h2 {
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--os-text);
}
.os-login-wall p {
  color: var(--os-text-muted);
  margin-bottom: 24px;
}
.os-btn-primary {
  display: inline-block;
  background: var(--os-accent);
  color: #fff;
  text-decoration: none;
  padding: 10px 24px;
  border-radius: var(--os-radius-sm);
  font-weight: 600;
  font-size: 14px;
  transition: opacity 0.15s;
}
.os-btn-primary:hover { opacity: 0.85; }

/* ===== GREETING ===== */
.os-greeting {
  margin-bottom: 24px;
}
.os-greeting h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--os-text);
}
.os-greeting-sub {
  font-size: 13px;
  color: var(--os-text-muted);
}

/* ===== STATS GRID ===== */
.os-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

@media (max-width: 640px) {
  .os-stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.os-stat-card {
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius);
  padding: 16px;
  box-shadow: var(--os-shadow);
  transition: box-shadow 0.15s;
}
.os-stat-card:hover { box-shadow: var(--os-shadow-md); }

.os-stat-icon {
  font-size: 20px;
  margin-bottom: 8px;
}
.os-stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--os-text);
  line-height: 1;
  margin-bottom: 4px;
}
.os-stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--os-text-muted);
  font-weight: 600;
}
.os-stat-card.accent-blue .os-stat-value { color: var(--os-accent); }
.os-stat-card.accent-green .os-stat-value { color: var(--os-green); }
.os-stat-card.accent-yellow .os-stat-value { color: var(--os-yellow); }
.os-stat-card.accent-red .os-stat-value { color: var(--os-red); }

/* ===== TWO COLUMN LAYOUT ===== */
.os-two-col {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 20px;
  align-items: start;
}

@media (max-width: 768px) {
  .os-two-col { grid-template-columns: 1fr; }
}

/* ===== SECTION CARD ===== */
.os-section-card {
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius);
  box-shadow: var(--os-shadow);
  overflow: hidden;
  margin-bottom: 16px;
}

.os-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--os-border);
}
.os-section-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--os-text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.os-section-action {
  font-size: 12px;
  color: var(--os-accent);
  text-decoration: none;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s;
}
.os-section-action:hover { background: var(--os-accent-soft); }

/* ===== TASK ITEMS ===== */
.os-task-list { padding: 8px 0; }

.os-task-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--os-border);
  transition: background 0.1s;
}
.os-task-item:last-child { border-bottom: none; }
.os-task-item:hover { background: var(--os-bg-sidebar); }

.os-task-check {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--os-border);
  flex-shrink: 0;
  margin-top: 1px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.os-task-check:hover { border-color: var(--os-green); }
.os-task-check.done {
  background: var(--os-green);
  border-color: var(--os-green);
}
.os-task-body { flex: 1; min-width: 0; }
.os-task-title {
  font-size: 14px;
  color: var(--os-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.os-task-title.done { text-decoration: line-through; color: var(--os-text-muted); }
.os-task-meta {
  font-size: 11px;
  color: var(--os-text-muted);
  margin-top: 2px;
}
.os-task-status {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
  flex-shrink: 0;
}
.os-task-status.new { background: var(--os-accent-soft); color: var(--os-accent); }
.os-task-status.doing { background: var(--os-yellow-soft); color: var(--os-yellow); }
.os-task-status.waiting { background: var(--os-red-soft); color: var(--os-red); }
.os-task-status.done { background: var(--os-green-soft); color: var(--os-green); }

/* ===== EMPTY STATE ===== */
.os-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--os-text-muted);
}
.os-empty-icon { font-size: 32px; margin-bottom: 8px; }
.os-empty p { font-size: 13px; margin: 0 0 16px; }
.os-empty-btn {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--os-accent);
  text-decoration: none;
  border: 1px solid var(--os-accent);
  padding: 6px 16px;
  border-radius: 6px;
  transition: background 0.15s;
}
.os-empty-btn:hover { background: var(--os-accent-soft); }

/* ===== LISTINGS MINI ===== */
.os-listing-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--os-border);
  transition: background 0.1s;
}
.os-listing-item:last-child { border-bottom: none; }
.os-listing-item:hover { background: var(--os-bg-sidebar); }

.os-listing-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--os-accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.os-listing-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--os-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.os-listing-meta {
  font-size: 11px;
  color: var(--os-text-muted);
}
.os-listing-badge {
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 4px;
  font-weight: 600;
  flex-shrink: 0;
  background: var(--os-green-soft);
  color: var(--os-green);
}

/* ===== SKILL CARD ===== */
.os-skill-card {
  background: var(--os-skill-bg);
  border: 1px solid var(--os-skill-border);
  border-radius: var(--os-radius);
  padding: 20px;
  margin-bottom: 16px;
}
.os-skill-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--os-yellow-soft);
  color: var(--os-yellow);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 10px;
}
.os-skill-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--os-text);
  margin-bottom: 6px;
}
.os-skill-desc {
  font-size: 13px;
  color: var(--os-text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.os-skill-points {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}
.os-skill-points li {
  font-size: 13px;
  color: var(--os-text);
  padding: 4px 0;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.os-skill-points li::before {
  content: '→';
  color: var(--os-yellow);
  font-weight: 700;
  flex-shrink: 0;
}
.os-skill-btn {
  display: block;
  width: 100%;
  padding: 10px;
  background: var(--os-yellow);
  color: #000;
  border: none;
  border-radius: var(--os-radius-sm);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  transition: opacity 0.15s;
}
.os-skill-btn:hover { opacity: 0.85; }

/* ===== QUICK ACTIONS ===== */
.os-quick-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 16px;
}
.os-quick-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 16px 8px;
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-sm);
  text-decoration: none;
  color: var(--os-text-muted);
  font-size: 12px;
  font-weight: 600;
  text-align: center;
  transition: all 0.15s;
  cursor: pointer;
}
.os-quick-btn:hover {
  background: var(--os-accent-soft);
  border-color: var(--os-accent);
  color: var(--os-accent);
}
.os-quick-btn .icon { font-size: 22px; }

/* ===== DIAGNOSTIKA BANNER ===== */
.os-diag-banner {
  background: linear-gradient(135deg, var(--os-accent-soft), var(--os-bg-card));
  border: 1px solid var(--os-accent);
  border-radius: var(--os-radius);
  padding: 20px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.os-diag-icon { font-size: 32px; flex-shrink: 0; }
.os-diag-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.os-diag-sub { font-size: 12px; color: var(--os-text-muted); margin-bottom: 12px; }
.os-diag-cta {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--os-accent);
  text-decoration: none;
  padding: 7px 16px;
  border-radius: 6px;
  transition: opacity 0.15s;
}
.os-diag-cta:hover { opacity: 0.85; }

/* ===== LOADING ===== */
.os-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  color: var(--os-text-muted);
  font-size: 13px;
  gap: 8px;
}
.os-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--os-border);
  border-top-color: var(--os-accent);
  border-radius: 50%;
  animation: os-spin 0.7s linear infinite;
}
@keyframes os-spin { to { transform: rotate(360deg); } }

/* ===== PAGE HEADER ===== */
.os-content-wide { max-width: 1200px; }

.os-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}
.os-page-title {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 4px;
  color: var(--os-text);
}
.os-page-sub {
  font-size: 13px;
  color: var(--os-text-muted);
  margin: 0;
}
.os-btn-add {
  background: var(--os-accent);
  color: #fff;
  border: none;
  border-radius: var(--os-radius-sm);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s;
}
.os-btn-add:hover { opacity: 0.85; }

/* ===== TYPE FILTER ===== */
.os-type-filter {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.os-type-chip {
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  color: var(--os-text-muted);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.os-type-chip:hover { border-color: var(--os-accent); color: var(--os-accent); }
.os-type-chip.active {
  background: var(--os-accent);
  border-color: var(--os-accent);
  color: #fff;
  font-weight: 600;
}

/* ===== KANBAN BOARD ===== */
.os-kanban {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  align-items: start;
}
@media (max-width: 900px) {
  .os-kanban { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
  .os-kanban { grid-template-columns: 1fr; }
}

.os-kanban-col {
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius);
  padding: 12px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.os-kanban-col-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}
.os-kanban-col-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}
.os-kanban-col-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--os-text);
  flex: 1;
}
.os-kanban-col-count {
  font-size: 12px;
  color: var(--os-text-muted);
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  border-radius: 10px;
  padding: 1px 7px;
}

.os-kanban-cards { display: flex; flex-direction: column; gap: 8px; flex: 1; }

.os-kanban-card {
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-sm);
  padding: 10px 12px;
  box-shadow: var(--os-shadow);
  transition: box-shadow 0.15s;
}
.os-kanban-card:hover { box-shadow: var(--os-shadow-md); }
.os-kanban-card.overdue { border-left: 3px solid var(--os-red); }

.os-kanban-type {
  font-size: 16px;
  display: block;
  margin-bottom: 4px;
}
.os-kanban-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--os-text);
  line-height: 1.4;
  margin-bottom: 4px;
}
.os-kanban-card-desc {
  font-size: 12px;
  color: var(--os-text-muted);
  margin-bottom: 4px;
  line-height: 1.4;
}
.os-kanban-card-date {
  font-size: 11px;
  color: var(--os-text-light);
  margin-bottom: 8px;
}

.os-kanban-card-actions {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  border-top: 1px solid var(--os-border);
  padding-top: 8px;
}
.os-kc-btn {
  flex: 1;
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  color: var(--os-text-muted);
  border-radius: 5px;
  padding: 4px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.12s;
}
.os-kc-btn:hover { background: var(--os-accent-soft); color: var(--os-accent); border-color: var(--os-accent); }
.os-kc-btn.danger:hover { background: var(--os-red-soft); color: var(--os-red); border-color: var(--os-red); }
.os-kc-btn.accent { background: var(--os-accent); color: #fff; border-color: var(--os-accent); padding: 4px 8px; flex: 2; }
.os-kc-btn.accent:hover { opacity: 0.85; }
.os-kc-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.os-kanban-add-btn {
  width: 100%;
  background: transparent;
  border: 1px dashed var(--os-border);
  color: var(--os-text-muted);
  border-radius: var(--os-radius-sm);
  padding: 8px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 4px;
}
.os-kanban-add-btn:hover {
  border-color: var(--os-accent);
  color: var(--os-accent);
  background: var(--os-accent-soft);
}

.os-kanban-empty {
  text-align: center;
  font-size: 12px;
  color: var(--os-text-light);
  padding: 16px 8px;
}

/* ===== MODAL ===== */
.os-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  padding: 16px;
}
.os-modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.os-modal {
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--os-shadow-md);
  transform: translateY(-12px);
  transition: transform 0.2s;
}
.os-modal-overlay.open .os-modal { transform: translateY(0); }

.os-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--os-border);
}
.os-modal-title { font-size: 15px; font-weight: 700; color: var(--os-text); }
.os-modal-close {
  background: none;
  border: none;
  color: var(--os-text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: background 0.15s;
}
.os-modal-close:hover { background: var(--os-bg-sidebar); }

.os-modal-body { padding: 20px; display: flex; flex-direction: column; gap: 14px; }

.os-field { display: flex; flex-direction: column; gap: 5px; }
.os-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 400px) { .os-field-row { grid-template-columns: 1fr; } }

.os-label { font-size: 12px; font-weight: 600; color: var(--os-text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.os-input, .os-select, .os-textarea {
  background: var(--os-bg);
  border: 1px solid var(--os-border);
  color: var(--os-text);
  border-radius: var(--os-radius-sm);
  padding: 8px 12px;
  font-size: 14px;
  font-family: inherit;
  width: 100%;
  transition: border-color 0.15s;
}
.os-input:focus, .os-select:focus, .os-textarea:focus {
  outline: none;
  border-color: var(--os-accent);
}
.os-textarea { resize: vertical; }

.os-type-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.os-type-pick-btn {
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  color: var(--os-text-muted);
  border-radius: 20px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}
.os-type-pick-btn:hover { border-color: var(--os-accent); color: var(--os-accent); }
.os-type-pick-btn.active {
  background: var(--os-accent-soft);
  border-color: var(--os-accent);
  color: var(--os-accent);
  font-weight: 600;
}

.os-modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 14px 20px;
  border-top: 1px solid var(--os-border);
}
.os-btn-cancel {
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  color: var(--os-text-muted);
  border-radius: var(--os-radius-sm);
  padding: 8px 18px;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.15s;
}
.os-btn-cancel:hover { background: var(--os-bg); }
.os-btn-save {
  background: var(--os-accent);
  color: #fff;
  border: none;
  border-radius: var(--os-radius-sm);
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity 0.15s;
}
.os-btn-save:hover { opacity: 0.85; }

/* ===== TOAST ===== */
.os-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #1e293b;
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  transition: all 0.3s;
  z-index: 999;
  pointer-events: none;
  white-space: nowrap;
}
.os-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== COMING SOON ===== */
.os-coming-soon {
  text-align: center;
  padding: 80px 20px;
  color: var(--os-text-muted);
}
.os-coming-soon h2 { font-size: 22px; color: var(--os-text); margin-bottom: 8px; }
.os-coming-soon p { font-size: 14px; margin-bottom: 24px; }

/* ===== FILTER BAR ===== */
.os-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.os-filter-btn {
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--os-border);
  background: var(--os-bg-card);
  color: var(--os-text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}
.os-filter-btn:hover { border-color: var(--os-accent); color: var(--os-accent); }
.os-filter-btn.active { background: var(--os-accent); color: #fff; border-color: var(--os-accent); }
.os-search-input { width: 100%; max-width: 400px; }

/* ===== CONTACT CARDS ===== */
.os-contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius);
  padding: 14px 16px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: box-shadow .15s, border-color .15s;
}
.os-contact-card:hover { box-shadow: var(--os-shadow-md); border-color: var(--os-accent); }
.os-contact-main { display: flex; align-items: center; gap: 12px; flex: 1; min-width: 0; }
.os-contact-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--os-accent-soft);
  color: var(--os-accent);
  font-weight: 700; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.os-contact-info { flex: 1; min-width: 0; }
.os-contact-name { font-weight: 600; font-size: 15px; color: var(--os-text); }
.os-contact-meta { font-size: 12px; color: var(--os-text-muted); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.os-contact-notes { font-size: 12px; color: var(--os-text-muted); margin-top: 4px; font-style: italic; }
.os-status-badge {
  font-size: 11px; font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
  margin-left: 12px;
}

/* ===== SKILL TIP ===== */
.os-skill-tip {
  background: var(--os-skill-bg);
  border: 1px solid var(--os-skill-border);
  border-radius: var(--os-radius);
  padding: 16px;
}
.os-skill-tip-inner {}
.os-skill-tip-header { font-size: 14px; color: #92400e; margin-bottom: 6px; }
.os-skill-tip-text { font-size: 13px; color: #78350f; margin: 0 0 10px; line-height: 1.5; }
.os-skill-tip-btn {
  padding: 7px 14px;
  background: #FFCC00;
  border: none; border-radius: 8px;
  font-weight: 700; font-size: 13px; cursor: pointer;
}
.os-skill-tip-btn:hover { background: #f0b800; }

/* ===== MARKETING CHANNELS ===== */
.os-channel-card {
  background: var(--os-bg-card);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius);
  margin-bottom: 10px;
  overflow: hidden;
}
.os-channel-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px;
  cursor: pointer;
  user-select: none;
}
.os-channel-header:hover { background: var(--os-bg-sidebar); }
.os-channel-left { display: flex; align-items: center; gap: 12px; }
.os-channel-icon { font-size: 24px; }
.os-channel-title { font-weight: 600; font-size: 15px; color: var(--os-text); }
.os-channel-skill { font-size: 12px; color: var(--os-accent); margin-top: 2px; }
.os-channel-toggle { font-size: 12px; color: var(--os-text-muted); }
.os-channel-body { padding: 0 16px 16px; border-top: 1px solid var(--os-border); }
.os-channel-desc { font-size: 13px; color: var(--os-text-muted); margin: 12px 0 14px; line-height: 1.5; }
.os-channel-form { margin-bottom: 12px; }

/* ===== PROMPT OUTPUT ===== */
.os-prompt-output { }
.os-prompt-label { font-size: 12px; color: var(--os-text-muted); margin-bottom: 6px; }
.os-prompt-textarea {
  width: 100%; min-height: 120px; max-height: 300px;
  background: var(--os-bg-sidebar);
  border: 1px solid var(--os-border);
  border-radius: var(--os-radius-sm);
  padding: 10px 12px;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--os-text);
  resize: none; overflow-y: auto;
  box-sizing: border-box;
}