/* Learnovia design system: tokens, reset, shared components.
   Theme is set on <html data-theme="light|dark"> by assets/js/theme.js. */

:root {
  color-scheme: light;
  --bg: #f6f7fb;
  --bg-soft: #eef0f7;
  --surface: #ffffff;
  --surface-2: #f3f4fa;
  --surface-3: #e9ebf5;
  --border: #e2e5ef;
  --border-strong: #cfd3e3;
  --text: #0e1122;
  --text-2: #3a3f58;
  --muted: #686e88;
  --accent: #5b4cf5;
  --accent-2: #06b6d4;
  --accent-ink: #ffffff;
  --accent-soft: #eeecff;
  --ring: rgba(91, 76, 245, .35);
  --grad: linear-gradient(120deg, #6d5dfc 0%, #3b82f6 50%, #06b6d4 100%);
  --grad-text: linear-gradient(100deg, #5b4cf5 10%, #2563eb 50%, #0891b2 90%);

  --crm: #3b82f6;      --crm-soft: #e7f0ff;
  --projects: #8b5cf6; --projects-soft: #f1ebff;
  --hr: #f59e0b;       --hr-soft: #fff4dd;
  --finance: #10b981;  --finance-soft: #e3f8ef;

  --ok: #059669;   --ok-soft: #dcf7ea;
  --warn: #b45309; --warn-soft: #fff1d6;
  --bad: #dc2626;  --bad-soft: #fde6e6;
  --info: #2563eb; --info-soft: #e3edff;

  --shadow-sm: 0 1px 2px rgba(16, 20, 45, .06), 0 1px 1px rgba(16, 20, 45, .04);
  --shadow: 0 4px 14px -4px rgba(16, 20, 45, .10), 0 2px 4px rgba(16, 20, 45, .04);
  --shadow-lg: 0 24px 60px -18px rgba(28, 25, 90, .28), 0 8px 20px -8px rgba(16, 20, 45, .10);
  --glass: rgba(255, 255, 255, .72);

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;

  --font: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
  --t-fast: .16s;
  --t: .28s;
  --t-slow: .6s;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #090b16;
  --bg-soft: #0e1122;
  --surface: #11142a;
  --surface-2: #161a34;
  --surface-3: #1d2242;
  --border: #242a4c;
  --border-strong: #333a64;
  --text: #eceefb;
  --text-2: #c3c7e0;
  --muted: #8f95b6;
  --accent: #8b7dff;
  --accent-2: #22d3ee;
  --accent-ink: #0b0d1a;
  --accent-soft: #231f4d;
  --ring: rgba(139, 125, 255, .45);
  --grad: linear-gradient(120deg, #8b7dff 0%, #60a5fa 50%, #22d3ee 100%);
  --grad-text: linear-gradient(100deg, #a99fff 10%, #7cb3ff 50%, #5ee0f5 90%);

  --crm: #60a5fa;      --crm-soft: #15264a;
  --projects: #a78bfa; --projects-soft: #251d4c;
  --hr: #fbbf24;       --hr-soft: #3a2c10;
  --finance: #34d399;  --finance-soft: #0f3328;

  --ok: #34d399;   --ok-soft: #0f3328;
  --warn: #fbbf24; --warn-soft: #3a2c10;
  --bad: #f87171;  --bad-soft: #3f1719;
  --info: #60a5fa; --info-soft: #15264a;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 6px 18px -6px rgba(0, 0, 0, .55);
  --shadow-lg: 0 30px 70px -20px rgba(0, 0, 0, .7), 0 0 0 1px rgba(139, 125, 255, .06);
  --glass: rgba(17, 20, 42, .7);
}

/* ---------------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
/* Never allow sideways scrolling: off-screen animation start positions and
   decorative blobs would otherwise widen the page on phones. "clip" (unlike
   "hidden") doesn't create a scroll container, so position: sticky still works. */
html, body { overflow-x: hidden; }
@supports (overflow-x: clip) { html, body { overflow-x: clip; } }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -.02em; font-weight: 750; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.grad-text { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Cross-page fades in browsers that support cross-document view transitions. */
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .35s; }
.theme-switching::view-transition-old(root), .theme-switching::view-transition-new(root) { animation: none; mix-blend-mode: normal; }

/* ---------------------------------------------------------------- buttons */
.btn {
  --btn-bg: var(--surface);
  --btn-fg: var(--text);
  --btn-bd: var(--border);
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  height: 44px; padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--btn-bd);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-weight: 650; font-size: .95rem; white-space: nowrap;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t) var(--ease), background var(--t) var(--ease), border-color var(--t) var(--ease), opacity var(--t);
  overflow: hidden; isolation: isolate;
}
.btn svg { width: 18px; height: 18px; flex: none; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); border-color: var(--border-strong); }
.btn:active { transform: translateY(0) scale(.98); }
.btn[disabled], .btn.is-loading { opacity: .6; pointer-events: none; }
.btn--primary { --btn-bg: var(--text); --btn-fg: var(--bg); --btn-bd: transparent; }
.btn--primary:hover { box-shadow: 0 10px 26px -8px var(--ring); }
.btn--grad { --btn-fg: #fff; --btn-bd: transparent; background: var(--grad); background-size: 200% 100%; background-position: 0 0; }
.btn--grad:hover { background-position: 100% 0; box-shadow: 0 12px 30px -10px var(--ring); }
.btn--ghost { --btn-bg: transparent; --btn-bd: transparent; }
.btn--ghost:hover { background: var(--surface-2); box-shadow: none; }
.btn--danger { --btn-bg: var(--bad-soft); --btn-fg: var(--bad); --btn-bd: transparent; }
.btn--sm { height: 36px; padding: 0 14px; font-size: .875rem; }
.btn--lg { height: 54px; padding: 0 28px; font-size: 1.02rem; }
.btn--block { width: 100%; }
.btn .spinner { display: none; }
.btn.is-loading .spinner { display: inline-block; }
.btn.is-loading .btn__label { opacity: .7; }
/* Shine sweep on hover for primary CTAs */
.btn--shine::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.35) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .8s var(--ease);
}
.btn--shine:hover::after { transform: translateX(120%); }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid transparent; background: transparent; color: var(--text-2);
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast), border-color var(--t-fast);
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.icon-btn:active { transform: scale(.94); }
.icon-btn svg { width: 19px; height: 19px; }
.icon-btn--sm { width: 30px; height: 30px; border-radius: 8px; }
.icon-btn--sm svg { width: 16px; height: 16px; }
.icon-btn--danger:hover { background: var(--bad-soft); color: var(--bad); }

.spinner {
  width: 16px; height: 16px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------- theme toggle */
.theme-toggle { position: relative; overflow: hidden; }
.theme-toggle .sun, .theme-toggle .moon { position: absolute; transition: transform .5s var(--ease-spring), opacity .3s; }
.theme-toggle .moon { transform: translateY(0) rotate(0); }
.theme-toggle .sun { transform: translateY(150%) rotate(-90deg); opacity: 0; }
[data-theme="dark"] .theme-toggle .moon { transform: translateY(-150%) rotate(90deg); opacity: 0; }
[data-theme="dark"] .theme-toggle .sun { transform: translateY(0) rotate(0); opacity: 1; }

/* ---------------------------------------------------------------- forms */
.field { display: grid; gap: 6px; }
.field > span, .label { font-size: .84rem; font-weight: 650; color: var(--text-2); }
.field small { color: var(--muted); font-size: .8rem; }
.input, .select, .textarea {
  width: 100%; min-height: 44px; padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: border-color var(--t-fast), box-shadow var(--t-fast), background var(--t);
}
.textarea { min-height: 96px; resize: vertical; line-height: 1.5; }
.select { appearance: none; padding-right: 36px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; background-size: 16px; }
.input:hover, .select:hover, .textarea:hover { border-color: var(--border-strong); }
.input:focus, .select:focus, .textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--ring); }
.input.is-invalid, .select.is-invalid, .textarea.is-invalid { border-color: var(--bad); box-shadow: 0 0 0 4px var(--bad-soft); animation: shake .35s; }
@keyframes shake { 20%, 60% { transform: translateX(-4px); } 40%, 80% { transform: translateX(4px); } }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--text-2); }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--accent); }
.form-grid { display: grid; gap: 16px; }
.form-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 560px) { .form-grid--2 { grid-template-columns: 1fr; } }
.form-error {
  display: none; padding: 12px 14px; border-radius: var(--radius-sm);
  background: var(--bad-soft); color: var(--bad); font-size: .9rem; font-weight: 550;
}
.form-error.is-visible { display: block; animation: pop-in .3s var(--ease); }

/* ---------------------------------------------------------------- badges & chips */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  height: 24px; padding: 0 10px; border-radius: 999px;
  font-size: .75rem; font-weight: 700; letter-spacing: .01em;
  background: var(--surface-3); color: var(--text-2); white-space: nowrap;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .8; }
.badge--plain::before { display: none; }
.badge--ok { background: var(--ok-soft); color: var(--ok); }
.badge--warn { background: var(--warn-soft); color: var(--warn); }
.badge--bad { background: var(--bad-soft); color: var(--bad); }
.badge--info { background: var(--info-soft); color: var(--info); }
.badge--accent { background: var(--accent-soft); color: var(--accent); }
.badge--crm { background: var(--crm-soft); color: var(--crm); }
.badge--projects { background: var(--projects-soft); color: var(--projects); }
.badge--hr { background: var(--hr-soft); color: var(--hr); }
.badge--finance { background: var(--finance-soft); color: var(--finance); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px 6px 8px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: .82rem; font-weight: 650; color: var(--text-2);
  box-shadow: var(--shadow-sm);
}
.eyebrow b { padding: 2px 8px; border-radius: 999px; background: var(--grad); color: #fff; font-size: .72rem; }

/* ---------------------------------------------------------------- cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: background var(--t), border-color var(--t), box-shadow var(--t) var(--ease), transform var(--t) var(--ease);
}
.card--hover:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }

/* ---------------------------------------------------------------- toast */
.toasts { position: fixed; z-index: 1000; right: 20px; bottom: 20px; display: grid; gap: 10px; width: min(380px, calc(100vw - 32px)); }
.toast {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border-radius: var(--radius);
  background: var(--text); color: var(--bg);
  box-shadow: var(--shadow-lg); font-size: .92rem; font-weight: 550;
  animation: toast-in .45s var(--ease-spring);
}
.toast.is-leaving { animation: toast-out .3s var(--ease) forwards; }
.toast__icon { flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; background: var(--ok); color: #fff; }
.toast--error .toast__icon { background: var(--bad); }
@keyframes toast-in { from { opacity: 0; transform: translateY(16px) scale(.96); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(30px); } }

/* ---------------------------------------------------------------- shared keyframes */
@keyframes pop-in { from { opacity: 0; transform: translateY(6px) scale(.98); } }
@keyframes fade-up { from { opacity: 0; transform: translateY(18px); } }
@keyframes float { 50% { transform: translateY(-10px); } }
@keyframes pulse-ring { 0% { box-shadow: 0 0 0 0 var(--ring); } 100% { box-shadow: 0 0 0 14px transparent; } }
@keyframes shimmer { to { background-position: -200% 0; } }

.skeleton {
  border-radius: 8px;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 45%, var(--surface-2) 65%);
  background-size: 200% 100%;
  animation: shimmer 1.3s linear infinite;
}

/* Scroll-reveal: elements get .is-in from site.js / app.js. */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal--scale { transform: scale(.96); }
.reveal--left { transform: translateX(-30px); }
.reveal--right { transform: translateX(30px); }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}