/* ==========================================================================
   Components: shared vocabulary for marketing and product surfaces
   ========================================================================== */

/* ---- Buttons ---- */
.btn {
  --btn-bg: var(--surface-2); --btn-ink: var(--ink); --btn-border: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  min-height: 44px; padding: 0 1.25rem; border-radius: var(--r-ctl);
  font-weight: 600; font-size: var(--fs-small); line-height: 1; white-space: nowrap;
  background: var(--btn-bg); color: var(--btn-ink); border: 1px solid var(--btn-border);
  cursor: pointer; text-decoration: none; user-select: none;
  transition: background var(--dur-1) var(--ease-out), color var(--dur-1), border-color var(--dur-1), transform var(--dur-1), box-shadow var(--dur-2);
}
.btn:hover { --btn-bg: var(--surface-3); color: var(--ink); }
.btn:active { transform: translateY(1px) scale(0.99); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn .ph { font-size: 1.15em; }
.btn-primary { --btn-bg: var(--primary); --btn-ink: var(--on-primary); box-shadow: var(--shadow-1); }
.btn-primary:hover { --btn-bg: var(--primary-strong); color: var(--on-primary); box-shadow: var(--shadow-2); }
.btn-accent { --btn-bg: var(--accent); --btn-ink: var(--on-accent); }
.btn-accent:hover { --btn-bg: var(--accent-strong); color: var(--on-accent); }
.btn-secondary { --btn-bg: transparent; --btn-ink: var(--ink); --btn-border: var(--border-strong); }
.btn-secondary:hover { --btn-bg: var(--surface); --btn-border: var(--ink-2); }
.btn-ghost { --btn-bg: transparent; --btn-ink: var(--primary); }
.btn-ghost:hover { --btn-bg: var(--primary-soft); color: var(--primary-strong); }
.btn-danger { --btn-bg: var(--danger); --btn-ink: #fff; }
.btn-danger:hover { --btn-bg: var(--danger-ink); color: #fff; }
.btn-on-drench { --btn-bg: var(--on-drench); --btn-ink: var(--drench); }
.btn-on-drench:hover { --btn-bg: #fff; color: var(--drench); }
.btn-outline-drench { --btn-bg: transparent; --btn-ink: var(--on-drench); --btn-border: var(--drench-border); }
.btn-outline-drench:hover { --btn-bg: var(--drench-2); color: var(--on-drench); --btn-border: var(--on-drench-muted); }
.btn-sm { min-height: 36px; padding: 0 0.875rem; font-size: var(--fs-xs); }
.btn-lg { min-height: 52px; padding: 0 1.75rem; font-size: var(--fs-body); }
.btn-block { width: 100%; }
.btn-icon { width: 40px; min-height: 40px; padding: 0; border-radius: var(--r-ctl); }
.btn.is-loading { position: relative; color: transparent !important; pointer-events: none; }
.btn.is-loading::after { content: ""; position: absolute; width: 18px; height: 18px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; color: var(--btn-ink); animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.btn-group { display: inline-flex; gap: var(--s-2); flex-wrap: wrap; }
.link-arrow { display: inline-flex; align-items: center; gap: var(--s-1); font-weight: 600; color: var(--primary); }
.link-arrow .ph { transition: transform var(--dur-2) var(--ease-out); }
.link-arrow:hover .ph { transform: translateX(3px); }

/* ---- Forms ---- */
.field { display: flex; flex-direction: column; gap: var(--s-2); }
.field > label, .label { font-weight: 600; font-size: var(--fs-small); color: var(--ink); }
.field .hint { font-size: var(--fs-xs); color: var(--muted); }
.field .error { font-size: var(--fs-xs); color: var(--danger-ink); display: none; align-items: center; gap: var(--s-1); }
.field.is-invalid .error { display: flex; }
.field.is-invalid .input, .field.is-invalid .select, .field.is-invalid .textarea { border-color: var(--danger); }
.input, .select, .textarea {
  width: 100%; min-height: 44px; padding: 0.625rem 0.875rem; border-radius: var(--r-ctl);
  background: var(--bg); border: 1px solid var(--border-strong); color: var(--ink);
  transition: border-color var(--dur-1), box-shadow var(--dur-1);
}
.input::placeholder, .textarea::placeholder { color: var(--muted); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--muted-2); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft-2); }
.textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
.select { appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 256 256'><path fill='%235f545d' d='M213.66 101.66l-80 80a8 8 0 0 1-11.32 0l-80-80A8 8 0 0 1 53.66 90.34L128 164.69l74.34-74.35a8 8 0 0 1 11.32 11.32Z'/></svg>"); background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2.5rem; }
.input-group { display: flex; align-items: stretch; }
.input-group .input { border-radius: var(--r-ctl) 0 0 var(--r-ctl); }
.input-group .btn { border-radius: 0 var(--r-ctl) var(--r-ctl) 0; }
.input-icon { position: relative; }
.input-icon .ph { position: absolute; left: 0.875rem; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.input-icon .input { padding-left: 2.5rem; }
.check { display: flex; align-items: flex-start; gap: var(--s-3); cursor: pointer; font-size: var(--fs-small); }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--primary); flex-shrink: 0; cursor: pointer; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }
.switch { position: relative; display: inline-flex; align-items: center; gap: var(--s-3); cursor: pointer; }
.switch input { position: absolute; opacity: 0; }
.switch .track { width: 42px; height: 24px; border-radius: var(--r-pill); background: var(--border-strong); position: relative; transition: background var(--dur-2); }
.switch .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: var(--shadow-1); transition: transform var(--dur-2) var(--ease-out); }
.switch input:checked + .track { background: var(--primary); }
.switch input:checked + .track::after { transform: translateX(18px); }
.switch input:focus-visible + .track { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ---- Likert scale ---- */
.likert { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--s-2); }
.likert label { position: relative; cursor: pointer; }
.likert input { position: absolute; opacity: 0; inset: 0; }
.likert .opt {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--s-1);
  min-height: 72px; padding: var(--s-3) var(--s-2); border-radius: var(--r-ctl); text-align: center;
  background: var(--bg); border: 1.5px solid var(--border); color: var(--ink-2); font-size: var(--fs-app-small); line-height: 1.25;
  transition: border-color var(--dur-1), background var(--dur-1), color var(--dur-1), transform var(--dur-1) var(--ease-out);
}
.likert .opt .n { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; color: var(--ink); }
.likert label:hover .opt { border-color: var(--primary-soft-3); background: var(--primary-soft); }
.likert input:checked + .opt { background: var(--primary); border-color: var(--primary); color: var(--on-primary); }
.likert input:checked + .opt .n { color: var(--on-primary); }
.likert input:focus-visible + .opt { outline: 2px solid var(--primary); outline-offset: 2px; }
.likert label:active .opt { transform: scale(0.97); }
@media (max-width: 640px) {
  .likert { grid-template-columns: 1fr; gap: var(--s-2); }
  .likert .opt { flex-direction: row; justify-content: flex-start; min-height: 52px; gap: var(--s-3); text-align: left; }
  .likert .opt .n { width: 1.5rem; }
}

/* ---- Pills & badges ---- */
.pill { display: inline-flex; align-items: center; gap: 0.375rem; min-height: 26px; padding: 0 0.625rem; border-radius: var(--r-pill); font-size: var(--fs-xs); font-weight: 600; line-height: 1; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.pill-primary { background: var(--primary-soft); color: var(--primary-strong); }
.pill-accent { background: var(--accent-soft); color: var(--on-accent); }
.pill-success { background: var(--success-soft); color: var(--success-ink); }
.pill-warning { background: var(--warning-soft); color: var(--warning-ink); }
.pill-danger { background: var(--danger-soft); color: var(--danger-ink); }
.pill-info { background: var(--info-soft); color: var(--info-ink); }
.pill-band-1 { background: var(--band-1); color: var(--band-1-ink); }
.pill-band-2 { background: var(--band-2); color: var(--band-2-ink); }
.pill-band-3 { background: var(--band-3); color: var(--band-3-ink); }
.pill-band-4 { background: var(--band-4); color: var(--band-4-ink); }
.pill-outline { background: transparent; border: 1px solid var(--border-strong); }
.pill-on-drench { background: var(--drench-2); color: var(--on-drench); }
.count { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: var(--r-pill); background: var(--primary); color: var(--on-primary); font-size: 0.6875rem; font-weight: 700; }

/* ---- Cards & panels ---- */
.card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-card); }
.card-pad { padding: var(--s-5); }
.card-hover { transition: transform var(--dur-2) var(--ease-out), box-shadow var(--dur-2), border-color var(--dur-2); cursor: pointer; }
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--border-strong); }
.panel { background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-card); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--border); }
.panel-head h2, .panel-head h3 { margin: 0; }
.panel-body { padding: var(--s-5); }
.panel-foot { padding: var(--s-4) var(--s-5); border-top: 1px solid var(--border); background: var(--surface); border-radius: 0 0 var(--r-card) var(--r-card); }

/* ---- Avatar ---- */
.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; background: var(--surface-2); }
.avatar-sm { width: 32px; height: 32px; }
.avatar-lg { width: 56px; height: 56px; }
.avatar-xl { width: 80px; height: 80px; }
.avatar-initials { display: inline-flex; align-items: center; justify-content: center; font-weight: 600; font-size: 0.8125rem; color: var(--primary-strong); background: var(--primary-soft); }

/* ---- Tabs ---- */
.tabs { display: flex; gap: var(--s-1); border-bottom: 1px solid var(--border); overflow-x: auto; scrollbar-width: none; }
.tabs::-webkit-scrollbar { display: none; }
.tab { position: relative; padding: 0.75rem 1rem; font-weight: 600; font-size: var(--fs-small); color: var(--muted); white-space: nowrap; border-radius: var(--r-ctl) var(--r-ctl) 0 0; transition: color var(--dur-1); min-height: 44px; }
.tab:hover { color: var(--ink); background: var(--surface); }
.tab[aria-selected="true"] { color: var(--primary); }
.tab[aria-selected="true"]::after { content: ""; position: absolute; left: 0.5rem; right: 0.5rem; bottom: -1px; height: 2px; background: var(--primary); border-radius: 2px; }
.tab-panel[hidden] { display: none; }
.tabs-pill { border: 0; gap: var(--s-2); }
.tabs-pill .tab { border-radius: var(--r-pill); border: 1px solid var(--border); padding: 0.5rem 1rem; }
.tabs-pill .tab[aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.tabs-pill .tab[aria-selected="true"]::after { display: none; }

/* ---- Accordion ---- */
.acc { border-top: 1px solid var(--border); }
.acc summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding: 1.25rem 0; font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; }
.acc summary::-webkit-details-marker { display: none; }
.acc summary .ph { color: var(--muted); transition: transform var(--dur-2) var(--ease-out); flex-shrink: 0; }
.acc[open] summary .ph { transform: rotate(45deg); color: var(--primary); }
.acc .acc-body { padding-bottom: 1.25rem; color: var(--ink-2); max-width: var(--measure); }
.acc:last-child { border-bottom: 1px solid var(--border); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r-card); background: var(--bg); }
.table { width: 100%; border-collapse: collapse; font-size: var(--fs-app-body); }
.table th, .table td { text-align: left; padding: 0.75rem 1rem; vertical-align: middle; }
.table th { font-size: var(--fs-app-xs); font-weight: 600; color: var(--muted); background: var(--surface); border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { border-bottom: 1px solid var(--border); }
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: var(--surface); }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.table .row-actions { display: flex; gap: var(--s-1); justify-content: flex-end; opacity: 0.85; }
.table-toolbar { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; justify-content: space-between; margin-bottom: var(--s-4); }

/* ---- Progress ---- */
.progress { height: 6px; border-radius: var(--r-pill); background: var(--surface-3); overflow: hidden; }
.progress > span { display: block; height: 100%; border-radius: var(--r-pill); background: var(--primary); transition: width var(--dur-3) var(--ease-out); }
.progress-accent > span { background: var(--accent-strong); }
.progress-lg { height: 10px; }

/* ---- Score bar (report) ---- */
.score-bar { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--s-3); }
.score-bar .track { height: 10px; border-radius: var(--r-pill); background: var(--surface-3); overflow: hidden; position: relative; }
.score-bar .fill { height: 100%; border-radius: var(--r-pill); background: var(--primary); width: 0; transition: width var(--dur-4) var(--ease-out); }
.score-bar .fill.band-1 { background: var(--band-2); } .score-bar .fill.band-2 { background: var(--band-2); } .score-bar .fill.band-3 { background: var(--band-3); } .score-bar .fill.band-4 { background: var(--band-4); }
.score-bar .val { font-family: var(--font-display); font-weight: 700; font-variant-numeric: tabular-nums; min-width: 2.5rem; text-align: right; }

/* ---- Score ring ---- */
.ring { width: 160px; height: 160px; position: relative; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 10; stroke-linecap: round; }
.ring .track { stroke: var(--surface-3); }
.ring .fill { stroke: var(--primary); stroke-dasharray: 100 100; stroke-dashoffset: 100; transition: stroke-dashoffset 1.2s var(--ease-out); }
.ring .fill.band-4 { stroke: var(--band-4); } .ring .fill.band-3 { stroke: var(--band-3); } .ring .fill.band-2 { stroke: var(--band-2); } .ring .fill.band-1 { stroke: var(--band-2); }
.ring .ring-label { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring .ring-label strong { font-family: var(--font-display); font-size: 2.5rem; font-weight: 700; line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.ring .ring-label span { font-size: var(--fs-app-xs); color: var(--muted); }
.ring-sm { width: 64px; height: 64px; }
.ring-sm circle { stroke-width: 8; }
.ring-sm .ring-label strong { font-size: 1.125rem; }
.ring-sm .ring-label span { display: none; }
.ring-lg { width: 220px; height: 220px; }
.ring-lg .ring-label strong { font-size: 3.5rem; }


/* ---- Alerts / callouts ---- */
.alert { display: flex; gap: var(--s-3); padding: var(--s-4); border-radius: var(--r-ctl); border: 1px solid var(--border); background: var(--surface); font-size: var(--fs-small); align-items: flex-start; }
.alert .ph { flex-shrink: 0; font-size: 1.25rem; margin-top: 1px; }
.alert-info { background: var(--info-soft); border-color: transparent; color: var(--info-ink); }
.alert-success { background: var(--success-soft); border-color: transparent; color: var(--success-ink); }
.alert-warning { background: var(--warning-soft); border-color: transparent; color: var(--warning-ink); }
.alert-danger { background: var(--danger-soft); border-color: transparent; color: var(--danger-ink); }

/* ---- Toast ---- */
.toast-region { position: fixed; bottom: var(--s-5); right: var(--s-5); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--s-2); max-width: min(380px, calc(100vw - 2rem)); }
.toast { display: flex; align-items: flex-start; gap: var(--s-3); padding: var(--s-3) var(--s-4); border-radius: var(--r-ctl); background: var(--ink); color: var(--bg); box-shadow: var(--shadow-3); font-size: var(--fs-small); animation: toast-in var(--dur-3) var(--ease-out); }
.toast .ph { font-size: 1.25rem; flex-shrink: 0; }
.toast-success .ph { color: oklch(0.80 0.14 155); }
.toast-danger .ph { color: oklch(0.75 0.16 25); }
.toast.is-leaving { animation: toast-out var(--dur-2) ease-in forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(12px) scale(0.98); } to { opacity: 1; transform: none; } }
@keyframes toast-out { to { opacity: 0; transform: translateY(8px); } }

/* ---- Skeleton ---- */
.skeleton { position: relative; overflow: hidden; background: var(--surface-2); border-radius: 6px; color: transparent !important; }
.skeleton::after { content: ""; position: absolute; inset: 0; transform: translateX(-100%); background: linear-gradient(90deg, transparent, oklch(1 0 0 / 0.6), transparent); animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { transform: translateX(100%); } }
.skeleton-line { height: 0.9em; margin-bottom: 0.6em; }
.skeleton-block { height: 120px; border-radius: var(--r-card); }

/* ---- Empty state ---- */
.empty { text-align: center; padding: var(--s-8) var(--s-5); color: var(--muted); }
.empty .ph { font-size: 2.5rem; color: var(--primary-soft-3); margin-bottom: var(--s-3); display: inline-block; }
.empty h3 { color: var(--ink); margin-bottom: var(--s-2); }
.empty p { max-width: 40ch; margin-inline: auto; }

/* ---- Modal (native dialog) ---- */
dialog.modal { border: 0; border-radius: var(--r-card); padding: 0; width: min(560px, calc(100vw - 2rem)); background: var(--bg); color: var(--ink); box-shadow: var(--shadow-4); }
dialog.modal::backdrop { background: oklch(0.15 0.03 332 / 0.55); backdrop-filter: blur(2px); }
dialog.modal[open] { animation: modal-in var(--dur-3) var(--ease-out); }
@keyframes modal-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--border); }
.modal-body { padding: var(--s-5); }
.modal-foot { display: flex; justify-content: flex-end; gap: var(--s-2); padding: var(--s-4) var(--s-5); border-top: 1px solid var(--border); background: var(--surface); }
.modal-wide { width: min(880px, calc(100vw - 2rem)); }

/* ---- Dropdown menu ---- */
.menu { position: relative; }
.menu-panel { position: absolute; right: 0; top: calc(100% + 6px); min-width: 220px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-ctl); box-shadow: var(--shadow-3); padding: var(--s-2); z-index: var(--z-dropdown); }
.menu-item { display: flex; align-items: center; gap: var(--s-3); width: 100%; padding: 0.625rem 0.75rem; border-radius: 8px; font-size: var(--fs-small); color: var(--ink); text-align: left; }
.menu-item:hover { background: var(--surface); color: var(--ink); }
.menu-sep { border-top: 1px solid var(--border); margin: var(--s-2) 0; }

/* ---- Stat ---- */
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat .stat-value { font-family: var(--font-display); font-weight: 700; font-size: 2rem; line-height: 1; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.stat .stat-label { font-size: var(--fs-app-small); color: var(--muted); }
.stat .stat-delta { font-size: var(--fs-app-xs); font-weight: 600; }
.stat .stat-delta.up { color: var(--success-ink); }
.stat .stat-delta.down { color: var(--danger-ink); }

/* ---- Breadcrumb ---- */
.crumbs { display: flex; align-items: center; gap: var(--s-2); font-size: var(--fs-app-small); color: var(--muted); flex-wrap: wrap; }
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--primary); }
.crumbs .ph { font-size: 0.75rem; }

/* ---- Icon tile ---- */
.icon-tile { width: 44px; height: 44px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: var(--primary-soft); color: var(--primary); font-size: 1.375rem; flex-shrink: 0; }
.icon-tile-accent { background: var(--accent-soft); color: var(--accent-strong); }
.icon-tile-sm { width: 36px; height: 36px; border-radius: 10px; font-size: 1.125rem; }

/* ---- Steps (ordered, real sequences only) ---- */
.step-num { width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; background: var(--ink); color: var(--bg); flex-shrink: 0; }

/* ---- Tooltip (simple) ---- */
[data-tip] { position: relative; }
[data-tip]:hover::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 4px 8px; border-radius: 6px; font-size: 0.75rem; white-space: nowrap; z-index: var(--z-tooltip); }

/* ---- Logo ---- */
.logo { display: inline-flex; align-items: center; gap: 0.625rem; font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; letter-spacing: -0.02em; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--primary); position: relative; flex-shrink: 0; }
.logo-mark::before { content: ""; position: absolute; width: 14px; height: 2.5px; background: var(--on-primary); left: 8px; top: 13.75px; border-radius: 2px; }
.logo-mark::after { content: ""; position: absolute; width: 2.5px; height: 14px; background: var(--on-primary); left: 13.75px; top: 8px; border-radius: 2px; }
.logo-mark.mark-accent { background: var(--accent); }
.logo-mark.mark-accent::before, .logo-mark.mark-accent::after { background: var(--on-accent); }
.logo .plus { color: var(--primary); }
.on-drench .logo, .on-drench .logo:hover { color: var(--on-drench); }