/* Lumen Sessions — shared tokens & primitives (booking widget + client portal).
   Every colour, radius, border, shadow, font and motion value is a CSS variable that the
   Design tab in the dashboard overrides (see Lumen_Settings::design_css()). */
.lsn, .lsn *, .lsn *::before, .lsn *::after { box-sizing: border-box; }
.lsn {
	--lsn-accent: #2f5bff;
	--lsn-accent-ink: #fff;
	--lsn-ink: #12141c;
	--lsn-ink-2: #4a5065;
	--lsn-ink-3: #5f667d;
	--lsn-field-line: #858ba1;
	--lsn-bg: #fff;
	--lsn-wash: #f7f8fc;
	--lsn-line: #e8eaf1;
	--lsn-page: #fff;
	--lsn-r: 18px;
	--lsn-btn-r: 999px;
	--lsn-bw: 1px;
	--lsn-shadow: 0 22px 44px -34px rgba(20, 30, 70, .35);
	--lsn-font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	--lsn-fs: 16px;
	--lsn-hw: 650;
	--lsn-cover-h: 250px;
	--lsn-lift: -4px;
	--lsn-ok: #14a06a;
	--lsn-warn: #c98200;
	--lsn-bad: #d8384d;
	--lsn-accent-soft: color-mix(in srgb, var(--lsn-accent) 9%, var(--lsn-bg));
	--lsn-accent-line: color-mix(in srgb, var(--lsn-accent) 30%, var(--lsn-bg));
	--lsn-ease: cubic-bezier(.2, .8, .2, 1);
	font-family: var(--lsn-font);
	font-size: var(--lsn-fs);
	line-height: 1.5;
	color: var(--lsn-ink);
	-webkit-font-smoothing: antialiased;
	text-align: left;
}
.lsn h1, .lsn h2, .lsn h3, .lsn h4, .lsn p { margin: 0; padding: 0; color: inherit; font-family: inherit; }
.lsn h1, .lsn h2, .lsn h3 { font-weight: var(--lsn-hw); }
.lsn h2 { font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.15; letter-spacing: -.02em; }
.lsn h3 { font-size: 1.05rem; letter-spacing: -.01em; }
.lsn .lsn-muted { color: var(--lsn-ink-2); }
.lsn .lsn-faint { color: var(--lsn-ink-3); font-size: .875rem; }
.lsn a { color: var(--lsn-accent); }
.lsn button { font-family: inherit; }

.lsn-btn {
	appearance: none; border: var(--lsn-bw) solid transparent; cursor: pointer; font: inherit; font-weight: 600; font-size: .95rem;
	padding: .85rem 1.5rem; border-radius: var(--lsn-btn-r); background: var(--lsn-accent); color: var(--lsn-accent-ink);
	transition: transform .2s var(--lsn-ease), box-shadow .25s var(--lsn-ease), background .2s, border-color .2s, opacity .2s, filter .2s;
	box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--lsn-accent) 70%, transparent);
	display: inline-flex; align-items: center; justify-content: center; gap: .5rem; text-decoration: none; line-height: 1.2;
}
.lsn a.lsn-btn { color: var(--lsn-accent-ink); }
.lsn-btn:hover:not([disabled]) { transform: translateY(calc(var(--lsn-lift) / 3)); box-shadow: 0 12px 26px -10px color-mix(in srgb, var(--lsn-accent) 80%, transparent); filter: brightness(1.08); }
.lsn-btn:active:not([disabled]) { transform: scale(.97); }
.lsn-btn[disabled] { opacity: .45; cursor: not-allowed; box-shadow: none; }
.lsn-btn.ghost, .lsn a.lsn-btn.ghost { background: var(--lsn-bg); color: var(--lsn-ink); border-color: var(--lsn-line); box-shadow: none; filter: none; }
.lsn-btn.ghost:hover:not([disabled]) { border-color: var(--lsn-accent-line); background: var(--lsn-wash); filter: none; box-shadow: none; }
.lsn-btn.sm { padding: .55rem 1rem; font-size: .85rem; }

.lsn-input, .lsn-textarea {
	width: 100%; font: inherit; color: var(--lsn-ink); background: var(--lsn-bg); border: max(var(--lsn-bw), 1px) solid var(--lsn-field-line);
	border-radius: calc(var(--lsn-r) * .75); padding: .8rem 1rem; transition: border-color .2s, box-shadow .2s; outline: none;
}
.lsn-textarea { min-height: 96px; resize: vertical; }
.lsn-input:hover, .lsn-textarea:hover { border-color: var(--lsn-accent-line); }
.lsn-input:focus, .lsn-textarea:focus { border-color: var(--lsn-accent); box-shadow: 0 0 0 4px var(--lsn-accent-soft); }
.lsn-field { display: grid; gap: .4rem; align-content: start; }
.lsn-field > label { font-size: .82rem; font-weight: 600; color: var(--lsn-ink-2); }

.lsn-card { background: var(--lsn-bg); border: var(--lsn-bw) solid var(--lsn-line); border-radius: var(--lsn-r); padding: 1.4rem; }
.lsn-pill { display: inline-flex; align-items: center; gap: .4rem; font-size: .78rem; font-weight: 600; padding: .28rem .7rem; border-radius: 999px; background: var(--lsn-wash); color: var(--lsn-ink-2); }
.lsn-pill.ok { background: color-mix(in srgb, var(--lsn-ok) 14%, var(--lsn-bg)); color: color-mix(in srgb, var(--lsn-ok) 60%, var(--lsn-ink)); }
.lsn-pill.warn { background: color-mix(in srgb, var(--lsn-warn) 16%, var(--lsn-bg)); color: color-mix(in srgb, var(--lsn-warn) 55%, var(--lsn-ink)); }
.lsn-pill.bad { background: color-mix(in srgb, var(--lsn-bad) 13%, var(--lsn-bg)); color: color-mix(in srgb, var(--lsn-bad) 60%, var(--lsn-ink)); }
.lsn-pill.accent { background: var(--lsn-accent-soft); color: var(--lsn-accent); }

.lsn-alert { padding: .85rem 1.1rem; border-radius: calc(var(--lsn-r) * .75); font-size: .92rem; background: color-mix(in srgb, var(--lsn-bad) 13%, var(--lsn-bg)); color: color-mix(in srgb, var(--lsn-bad) 60%, var(--lsn-ink)); }
.lsn-alert.info { background: var(--lsn-accent-soft); color: var(--lsn-ink-2); }

.lsn-loading { display: flex; gap: 6px; justify-content: center; padding: 3rem 0; }
.lsn-loading span { width: 8px; height: 8px; border-radius: 50%; background: var(--lsn-accent); animation: lsn-bounce 1s infinite var(--lsn-ease); }
.lsn-loading span:nth-child(2) { animation-delay: .12s; } .lsn-loading span:nth-child(3) { animation-delay: .24s; }
@keyframes lsn-bounce { 0%, 80%, 100% { transform: scale(.5); opacity: .4; } 40% { transform: scale(1); opacity: 1; } }

@keyframes lsn-rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.lsn-rise { animation: lsn-rise .55s var(--lsn-ease) both; }

/* Pill tab bar with sliding indicator — used by the booking steps and the client portal */
.lsn-tabs { position: relative; display: flex; gap: 2px; padding: 5px; background: var(--lsn-bg); border: var(--lsn-bw) solid var(--lsn-line); border-radius: calc(var(--lsn-btn-r) * .5 + 6px); width: max-content; max-width: 100%; overflow-x: auto; scrollbar-width: none; box-shadow: var(--lsn-shadow); }
.lsn-tabs::-webkit-scrollbar { display: none; }
.lsn-tab { position: relative; z-index: 1; appearance: none; border: 0; background: transparent; font: inherit; font-weight: 600; font-size: .9rem; min-height: 40px; padding: .6rem 1.15rem; border-radius: var(--lsn-btn-r); color: var(--lsn-ink-2); cursor: pointer; white-space: nowrap; transition: color .3s, background .25s, transform .25s var(--lsn-ease); display: inline-flex; gap: .45rem; align-items: center; }
.lsn-tab:hover:not([aria-selected="true"]):not([aria-current="step"]):not([disabled]) { color: var(--lsn-ink); background: var(--lsn-wash); transform: translateY(calc(var(--lsn-lift) / 4)); }
.lsn-tab[aria-selected="true"], .lsn-tab[aria-current="step"] { color: var(--lsn-accent-ink); }
.lsn-tab[disabled] { opacity: .55; cursor: not-allowed; }
.lsn-tab .badge { font-size: .68rem; min-width: 18px; height: 18px; padding: 0 5px; display: inline-grid; place-items: center; border-radius: 99px; background: var(--lsn-accent-soft); color: var(--lsn-accent); }
.lsn-tab[aria-selected="true"] .badge, .lsn-tab[aria-current="step"] .badge { background: rgba(255, 255, 255, .25); color: var(--lsn-accent-ink); }
.lsn-tab.done:not([aria-current="step"]):not([aria-selected="true"]) { color: var(--lsn-ink); }
.lsn-tab .tick { font-size: .8em; color: var(--lsn-ok); }
.lsn-ind { position: absolute; z-index: 0; top: 5px; bottom: 5px; left: 0; border-radius: var(--lsn-btn-r); background: var(--lsn-accent); box-shadow: 0 8px 20px -8px var(--lsn-accent); transition: transform .45s cubic-bezier(.3, 1.2, .4, 1), width .45s cubic-bezier(.3, 1.2, .4, 1); }

/* New-message / new-gallery attention: a small pulsing badge only (no movement of the tab itself) */
@keyframes lsn-ring { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--lsn-accent) 55%, transparent); } 70% { box-shadow: 0 0 0 9px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.lsn-tab.alert .badge { background: var(--lsn-accent); color: var(--lsn-accent-ink); animation: lsn-ring 1.6s ease-out infinite; }
.lsn-tab.alert[aria-selected="true"] .badge { background: var(--lsn-accent-ink); color: var(--lsn-accent); }

/* Keyboard focus: always visible (WCAG 2.4.7 / 2.4.11) */
.lsn :focus-visible { outline: 3px solid var(--lsn-accent); outline-offset: 2px; }
.lsn .lsn-btn:focus-visible { outline-color: var(--lsn-ink); }
/* Tabs: keep the keyboard focus ring inside the pill so it never looks like a second highlight */
.lsn .lsn-tab:focus-visible { outline: 2px solid var(--lsn-accent); outline-offset: -3px; }
.lsn .lsn-tab[aria-selected="true"]:focus-visible, .lsn .lsn-tab[aria-current="step"]:focus-visible { outline-color: var(--lsn-accent-ink); }
.lsn .lsn-input:focus-visible, .lsn .lsn-textarea:focus-visible { outline: none; }
.lsn [tabindex="-1"]:focus { outline: none; }
.lsn-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

@media (prefers-reduced-motion: reduce) {
	.lsn *, .lsn *::before, .lsn *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}