/* ==========================================================================
   Reusable components
   ========================================================================== */

/* ---- Top nav ---- */
.topnav{
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 20px;
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 40;
}
.brand{
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 17px;
  text-decoration: none; color: var(--fg);
  white-space: nowrap;
}
.brand-mark{
  width: 32px; height: 32px; border-radius: 7px;
  display: grid; place-items: center; flex: none;
  background: var(--bg-sunken); padding: 3px;
}
.brand-mark img{ width: 100%; height: 100%; object-fit: contain; }
.brand small{
  display: block; font-family: var(--font-mono); font-weight: 400;
  font-size: 10px; letter-spacing: .1em; color: var(--fg-muted); text-transform: uppercase;
}

.nav-links{ display: flex; gap: 4px; margin-left: 4px; }
.nav-links a{
  text-decoration: none; color: var(--fg-muted); font-size: 14px; font-weight: 500;
  padding: 8px 12px; border-radius: var(--radius-sm);
  transition: background .15s var(--ease), color .15s var(--ease);
}
.nav-links a:hover{ background: var(--bg-sunken); color: var(--fg); }
.nav-links a.active{ color: var(--accent); background: var(--bg-sunken); }

.nav-spacer{ flex: 1; }

/* ---- Buttons ---- */
.btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 13.5px;
  padding: 9px 16px; border-radius: var(--radius-sm);
  border: 1px solid transparent; cursor: pointer;
  transition: transform .12s var(--ease), background .15s var(--ease), border-color .15s var(--ease);
  line-height: 1.2;
}
.btn:active{ transform: translateY(1px); }
.btn svg{ width: 16px; height: 16px; flex: none; }
.btn-primary{ background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover{ filter: brightness(1.06); }
.btn-outline{ background: transparent; color: var(--fg); border-color: var(--border-strong); }
.btn-outline:hover{ background: var(--bg-sunken); }
.btn-ghost{ background: transparent; color: var(--fg-muted); }
.btn-ghost:hover{ background: var(--bg-sunken); color: var(--fg); }
.btn-sm{ padding: 6px 11px; font-size: 12.5px; }
.btn-icon{ padding: 8px; border-radius: var(--radius-sm); }
.btn-block{ width: 100%; }
.btn-danger{ background: transparent; color: #C1440E; border-color: rgba(193,68,14,0.4); }
.btn-danger:hover{ background: rgba(193,68,14,0.08); }

.icon-btn{
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: var(--bg-raised); border: 1px solid var(--border);
  color: var(--fg); cursor: pointer;
  transition: background .15s var(--ease), border-color .15s var(--ease);
}
.icon-btn:hover{ background: var(--bg-sunken); }
.icon-btn svg{ width: 18px; height: 18px; }
.icon-btn.active{ color: var(--accent); border-color: var(--accent); }

/* ---- Inputs ---- */
.field-label{
  display: block; font-size: 12px; font-weight: 600; margin-bottom: 6px;
  color: var(--fg-muted); text-transform: uppercase; letter-spacing: .05em;
}
.input, .select, .textarea{
  width: 100%; font-family: var(--font-body); font-size: 14px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--bg-raised); color: var(--fg);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
}
.input:focus, .select:focus, .textarea:focus{
  border-color: var(--focus); box-shadow: 0 0 0 3px rgba(63,167,214,0.18);
}
.textarea{ resize: vertical; min-height: 80px; }

.search-bar{
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-raised); border: 1px solid var(--border-strong);
  border-radius: var(--radius-md); padding: 4px 6px 4px 14px;
  box-shadow: var(--shadow-sm);
}
.search-bar svg{ width: 18px; height: 18px; color: var(--fg-muted); flex: none; }
.search-bar input{
  border: 0; background: transparent; outline: none; flex: 1;
  font-size: 14.5px; color: var(--fg); padding: 9px 4px; font-family: var(--font-body);
}
.search-bar .search-clear{
  display: none; background: transparent; border: 0; color: var(--fg-muted); cursor: pointer;
  padding: 6px; border-radius: 50%;
}
.search-bar.has-value .search-clear{ display: inline-grid; place-items: center; }
.search-bar .search-clear:hover{ background: var(--bg-sunken); }

/* ---- Chips / badges ---- */
.chip{
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12.5px; font-weight: 500; padding: 6px 11px;
  border-radius: 999px; border: 1px solid var(--border-strong);
  background: var(--bg-raised); color: var(--fg); cursor: pointer; user-select: none;
  transition: all .15s var(--ease); white-space: nowrap;
}
.chip:hover{ border-color: var(--border-strong); background: var(--bg-sunken); }
.chip.selected{ background: var(--chip-color, var(--accent)); border-color: var(--chip-color, var(--accent)); color: #fff; }
.chip .dot{ width: 8px; height: 8px; border-radius: 50%; background: var(--chip-color, var(--accent)); flex: none; }
.chip.selected .dot{ background: #fff; }

.badge{
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  padding: 3px 8px; border-radius: 4px; letter-spacing: .02em;
  background: var(--bg-sunken); color: var(--fg-muted); border: 1px solid var(--border);
}
.badge-status{ text-transform: uppercase; }
.badge-status[data-status="Completed"]{ color: var(--green); border-color: var(--green); background: rgba(47,158,68,0.08); }
.badge-status[data-status="In Progress"]{ color: var(--blue); border-color: var(--blue); background: rgba(43,108,176,0.08); }
.badge-status[data-status="Planned"]{ color: var(--amber); border-color: var(--amber); background: rgba(176,137,0,0.08); }
.badge-status[data-status="On Hold"]{ color: var(--orange); border-color: var(--orange); background: rgba(232,89,12,0.08); }

/* ---- Progress bar ---- */
.progress-track{
  width: 100%; height: 6px; border-radius: 4px; background: var(--bg-sunken);
  overflow: hidden; border: 1px solid var(--border);
}
.progress-fill{
  height: 100%; background: var(--accent); border-radius: 4px;
  transition: width .5s var(--ease);
}

/* ---- Cards ---- */
.card{
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
  transition: box-shadow .2s var(--ease), transform .2s var(--ease), border-color .2s var(--ease);
}
.card:hover{ box-shadow: var(--shadow-md); }

/* ---- Toast ---- */
.toast-stack{
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px; z-index: 500;
  width: min(92vw, 380px);
}
.toast{
  background: var(--dk-panel); color: var(--dk-ink);
  padding: 12px 16px; border-radius: var(--radius-sm);
  font-size: 13.5px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 10px;
  animation: toast-in .28s var(--ease);
  border: 1px solid var(--dk-line-strong);
}
.toast svg{ width: 16px; height: 16px; flex: none; color: var(--blue-cyan); }
@keyframes toast-in{
  from{ opacity: 0; transform: translateY(10px); }
  to{ opacity: 1; transform: translateY(0); }
}
.toast.leaving{ animation: toast-out .2s var(--ease) forwards; }
@keyframes toast-out{ to{ opacity: 0; transform: translateY(6px); } }

/* ---- Modal ---- */
.modal-overlay{
  position: fixed; inset: 0; background: rgba(11,30,45,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 600; padding: 20px; opacity: 0; pointer-events: none;
  transition: opacity .2s var(--ease);
}
.modal-overlay.open{ opacity: 1; pointer-events: auto; }
.modal{
  background: var(--bg-raised); border-radius: var(--radius-lg);
  max-width: 480px; width: 100%; padding: 24px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--border);
  transform: translateY(10px) scale(.98); transition: transform .2s var(--ease);
  max-height: 86vh; overflow-y: auto;
}
.modal-overlay.open .modal{ transform: translateY(0) scale(1); }
.modal h3{ margin-bottom: 6px; }
.modal-actions{ display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* ---- Empty state ---- */
.empty-state{
  text-align: center; padding: 48px 20px; color: var(--fg-muted);
}
.empty-state svg{ width: 40px; height: 40px; margin: 0 auto 14px; opacity: .5; }
.empty-state h4{ color: var(--fg); margin-bottom: 6px; }
.empty-state p{ font-size: 13.5px; max-width: 340px; margin: 0 auto; }

/* ---- Theme toggle ---- */
.theme-toggle{
  position: relative; width: 44px; height: 24px; border-radius: 999px;
  background: var(--bg-sunken); border: 1px solid var(--border-strong);
  cursor: pointer; flex: none;
}
.theme-toggle .knob{
  position: absolute; top: 2px; left: 2px; width: 18px; height: 18px;
  border-radius: 50%; background: var(--accent); transition: transform .2s var(--ease);
  display: grid; place-items: center;
}
[data-theme="dark"] .theme-toggle .knob{ transform: translateX(20px); }
.theme-toggle .knob svg{ width: 10px; height: 10px; color: #fff; }

/* ---- Spinner ---- */
.spinner{
  width: 22px; height: 22px; border-radius: 50%;
  border: 2.5px solid var(--border); border-top-color: var(--accent);
  animation: spin .7s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ---- Tabs ---- */
.tabbar{ display: flex; gap: 2px; border-bottom: 1px solid var(--border); }
.tabbar button{
  background: transparent; border: 0; padding: 10px 14px; cursor: pointer;
  font-family: var(--font-body); font-weight: 600; font-size: 13px; color: var(--fg-muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabbar button.active{ color: var(--accent); border-bottom-color: var(--accent); }

/* ---- Ecosystem cross-link menu ---- */
.nav-ecosystem{ position: relative; }
.ecosystem-menu{
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 50;
  background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-md); width: 240px; padding: 6px;
  opacity: 0; pointer-events: none; transform: translateY(-6px);
  transition: opacity .15s var(--ease), transform .15s var(--ease);
}
.ecosystem-menu.open{ opacity: 1; pointer-events: auto; transform: translateY(0); }
.ecosystem-menu a{
  display: block; padding: 9px 10px; border-radius: var(--radius-sm);
  text-decoration: none; color: var(--fg);
}
.ecosystem-menu a:hover{ background: var(--bg-sunken); }
.ecosystem-menu a .em-label{ font-weight: 600; font-size: 13.5px; display: flex; align-items: center; gap: 6px; }
.ecosystem-menu a .em-desc{ font-size: 11.5px; color: var(--fg-muted); margin-top: 1px; }
.ecosystem-menu a .em-label svg{ width: 13px; height: 13px; color: var(--fg-muted); }

.ecosystem-grid{ display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.ecosystem-card{
  display: flex; flex-direction: column; gap: 8px; padding: 18px;
  border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-raised);
  text-decoration: none; color: var(--fg); transition: box-shadow .18s var(--ease), transform .18s var(--ease);
}
.ecosystem-card:hover{ transform: translateY(-2px); box-shadow: var(--shadow-md); }
.ecosystem-card .em-title{ display: flex; align-items: center; justify-content: space-between; font-weight: 600; font-size: 15px; }
.ecosystem-card p{ font-size: 13px; color: var(--fg-muted); margin: 0; }

.detail-ecosystem-row{ display: flex; gap: 8px; flex-wrap: wrap; padding: 0 20px 16px; }
.detail-ecosystem-row a{ text-decoration: none; }