/* School Master — UI/UX Final Polish v2 / Batch 3
   Safe visual layer for public conversion surfaces, WhatsApp Automation and ERP status/footer.
   No provider, payment, data, permission, print geometry or business-logic changes. */

/* ===== ERP footer/status bar ===== */
.sm-footer {
  min-height: 42px;
  padding: 8px 18px;
  gap: 7px 16px;
  background: color-mix(in srgb, #151d4f 94%, var(--sm-surface));
  border-top: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 -4px 18px rgba(25,22,70,.06);
}
.sm-footer > span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  color: rgba(238,241,255,.78);
  font-size: 10px;
  line-height: 1.25;
  white-space: nowrap;
}
.sm-footer > span:first-child { color: #fff; font-weight: 800; }
.sm-footer .sm-online {
  margin-left: auto;
  padding: 4px 8px;
  border: 1px solid rgba(56,221,137,.20);
  border-radius: 999px;
  background: rgba(56,221,137,.07);
  color: #72e9a8;
  font-weight: 800;
}

/* ===== WhatsApp Automation: hierarchy and readable status ===== */
.wa-kpi-grid .sm-kpi-card {
  min-height: 126px;
  align-items: flex-start;
  gap: 11px;
  padding: 16px;
  border: 1px solid color-mix(in srgb, #20a66a 16%, var(--sm-border));
  background: linear-gradient(145deg, var(--sm-surface), color-mix(in srgb, #20a66a 3%, var(--sm-surface-2)));
  box-shadow: 0 9px 24px rgba(30,78,58,.055);
}
.wa-kpi-grid .sm-kpi-card > .sm-kpi-icon {
  width: 38px;
  height: 38px;
  min-width: 38px;
  border-radius: 11px;
  background: color-mix(in srgb, #20a66a 10%, var(--sm-surface));
  color: #148255;
  font-size: 9px;
  font-weight: 900;
  letter-spacing: .035em;
}
.wa-kpi-grid .sm-kpi-card > div {
  min-width: 0;
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 4px;
}
.wa-kpi-grid .sm-kpi-card small {
  color: var(--sm-muted);
  font-size: 9px;
  font-weight: 850;
  letter-spacing: .075em;
}
.wa-kpi-grid .sm-kpi-card strong {
  max-width: 100%;
  overflow: hidden;
  color: var(--sm-text);
  font-size: 1.02rem;
  line-height: 1.22;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.wa-kpi-grid .sm-kpi-card em {
  display: -webkit-box;
  overflow: hidden;
  color: var(--sm-muted);
  font-size: 10px;
  font-style: normal;
  line-height: 1.35;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.wa-kpi-grid .sm-kpi-card:nth-child(1) { border-top: 3px solid #2563eb; }
.wa-kpi-grid .sm-kpi-card:nth-child(2) { border-top: 3px solid #20a66a; }
.wa-kpi-grid .sm-kpi-card:nth-child(3) { border-top: 3px solid #7b31dd; }
.wa-kpi-grid .sm-kpi-card:nth-child(4) { border-top: 3px solid #f59e0b; }

.wa-two-col > .sm-panel,
.sm-content .wa-template-table,
.sm-content .wa-recipient-list,
.sm-content .sm-preview-card {
  border-color: color-mix(in srgb, #20a66a 13%, var(--sm-border));
}
.wa-two-col > .sm-panel { box-shadow: 0 10px 28px rgba(34,61,51,.045); }
.wa-status {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding-inline: 10px;
  letter-spacing: .045em;
}
.wa-status.ok { border: 1px solid rgba(22,163,74,.18); }
.wa-status.warn { border: 1px solid rgba(245,158,11,.20); }
.wa-copy-field .form-control[readonly] {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
  color: color-mix(in srgb, var(--sm-text) 78%, #2563eb 22%);
  background: var(--sm-surface-2);
}
.wa-template-table thead th {
  background: color-mix(in srgb, #20a66a 5%, var(--sm-surface-2));
}
.wa-recipient-list {
  padding: 8px;
  background: var(--sm-surface-2);
}
.wa-recipient-row {
  border: 1px solid transparent;
  transition: background .15s ease, border-color .15s ease;
}
.wa-recipient-row:hover {
  border-color: color-mix(in srgb, #20a66a 18%, var(--sm-border));
  background: color-mix(in srgb, #20a66a 5%, var(--sm-surface));
}
.sm-preview-card {
  background: linear-gradient(145deg, color-mix(in srgb, #20a66a 5%, var(--sm-surface)), color-mix(in srgb, #7b31dd 4%, var(--sm-surface)));
}

/* ===== Public website: premium but readable conversion shell ===== */
.public-site-shell {
  --pub-purple: #5730cb;
  --pub-purple-dark: #331783;
  --pub-orange: #f47a1f;
  --pub-ink: #14192c;
  --pub-muted: #626b7d;
  --pub-border: #e2e4ee;
  background:
    radial-gradient(circle at 50% -10%, rgba(104,62,220,.08), transparent 28%),
    #f8f9fd;
}
.public-site-header {
  max-width: none;
  min-height: 74px;
  margin: 0;
  padding: 10px max(24px, calc((100vw - 1180px)/2));
  background: rgba(250,250,254,.91);
  border-bottom: 1px solid rgba(222,224,236,.92);
  box-shadow: 0 5px 22px rgba(38,28,85,.045);
  backdrop-filter: blur(18px);
}
.public-brand { gap: 11px; }
.public-brand img {
  width: 48px;
  height: 48px;
  filter: drop-shadow(0 5px 9px rgba(73,42,154,.12));
}
.public-brand strong {
  color: var(--pub-ink);
  font-size: 1.03rem;
  letter-spacing: -.01em;
}
.public-brand small {
  margin-top: 2px;
  color: #737a8d;
  font-size: .68rem;
  font-weight: 650;
}
.public-nav { gap: 5px; }
.public-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 9px;
  border-radius: 9px;
  color: #554c77;
  font-size: .83rem;
  font-weight: 760;
  transition: background .16s ease, color .16s ease, transform .16s ease;
}
.public-nav a:hover {
  background: #f0edfb;
  color: var(--pub-purple);
}
.public-nav .public-nav-login {
  margin-left: 3px;
  padding-inline: 12px;
  border: 1px solid #d5d0ea;
  background: #fff;
  color: #4d3fa1;
}
.public-nav .public-nav-demo {
  margin-left: 2px;
  padding-inline: 14px;
  border: 1px solid var(--pub-purple);
  background: linear-gradient(135deg, #5130c5, #7242dc);
  color: #fff;
  box-shadow: 0 7px 16px rgba(86,50,197,.18);
}
.public-nav .public-nav-demo:hover {
  color: #fff;
  background: linear-gradient(135deg, #4828b7, #6535d0);
  transform: translateY(-1px);
}
.public-site-main {
  max-width: 1160px;
  padding-top: 42px;
}
.public-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(30px,5vw,58px);
  border-color: #ded9f5;
  background:
    radial-gradient(circle at 94% 10%, rgba(244,122,31,.12), transparent 22%),
    radial-gradient(circle at 6% 96%, rgba(101,53,217,.10), transparent 27%),
    linear-gradient(145deg,#fff,#f4f1ff);
  box-shadow: 0 20px 54px rgba(45,34,104,.075);
}
.public-hero::after {
  content: "";
  position: absolute;
  width: 240px;
  height: 240px;
  right: -110px;
  bottom: -130px;
  border: 1px solid rgba(95,56,201,.12);
  border-radius: 50%;
  box-shadow: 0 0 0 45px rgba(95,56,201,.035), 0 0 0 90px rgba(95,56,201,.025);
  pointer-events: none;
}
.public-kicker {
  padding: 6px 9px;
  border: 1px solid #ded7f7;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  font-size: .68rem;
}
.public-hero h1 {
  position: relative;
  z-index: 1;
  max-width: 890px;
  color: var(--pub-ink);
  font-size: clamp(2.25rem,5vw,4.4rem);
  letter-spacing: -.055em;
}
.public-hero p {
  position: relative;
  z-index: 1;
  max-width: 850px;
  color: #5d6577;
  font-size: clamp(1rem,1.55vw,1.13rem);
  line-height: 1.72;
}
.public-actions { position: relative; z-index: 1; }
.public-btn {
  min-height: 44px;
  padding: 0 17px;
  border-radius: 11px;
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
}
.public-btn:hover { transform: translateY(-1px); border-color: #bcb2e9; }
.public-btn.primary {
  background: linear-gradient(135deg,#5230c6,#7140dd);
  box-shadow: 0 8px 18px rgba(86,50,197,.17);
}
.public-btn.demo {
  border-color: #d8c6b6;
  color: #9a4a10;
  background: #fff9f3;
}
.public-section {
  margin-top: 54px;
  scroll-margin-top: 96px;
}
.public-section h2 {
  max-width: 900px;
  color: var(--pub-ink);
  letter-spacing: -.035em;
}
.public-section > p { color: var(--pub-muted); }
.public-grid { gap: 14px; }
.public-card {
  position: relative;
  min-height: 190px;
  padding: 21px;
  border-color: var(--pub-border);
  box-shadow: 0 8px 26px rgba(31,35,48,.035);
  transition: transform .17s ease, border-color .17s ease, box-shadow .17s ease;
}
.public-card:hover {
  border-color: #c9bdf2;
  transform: translateY(-2px);
  box-shadow: 0 13px 30px rgba(63,46,130,.075);
}
.public-card small { font-size: .68rem; letter-spacing: .055em; }
.public-card h3 { color: #20263a; letter-spacing: -.016em; }
.public-card p { font-size: .93rem; line-height: 1.62; }
.public-checklist div,
.public-resource-list article,
.public-faq details,
.public-related a {
  box-shadow: 0 7px 22px rgba(37,38,55,.03);
}
.public-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(24px,4vw,36px);
  background:
    radial-gradient(circle at 90% 20%, rgba(244,122,31,.22), transparent 26%),
    linear-gradient(135deg,#17152b,#2d1b65);
  box-shadow: 0 18px 42px rgba(29,20,73,.16);
}
.public-cta h2 { letter-spacing: -.025em; }
.public-cta a { font-weight: 850; }
.public-site-footer {
  max-width: 1160px;
  padding-top: 36px;
  color: #697184;
}
.public-site-footer > div strong { color: #242a3d; }
.public-site-footer > div span { max-width: 680px; line-height: 1.55; }

/* Accessible interaction polish */
.public-site-shell a:focus-visible,
.wa-recipient-row:focus-within {
  outline: 3px solid rgba(91,57,218,.20);
  outline-offset: 3px;
}

@media (max-width: 980px) {
  .public-site-header {
    position: sticky;
    align-items: center;
    flex-direction: row;
    gap: 12px;
    padding: 9px 16px;
  }
  .public-nav {
    min-width: 0;
    flex: 1;
    justify-content: flex-end;
  }
  .public-nav a:not(.public-nav-login):not(.public-nav-demo) { display: none; }
  .public-nav .public-nav-login,
  .public-nav .public-nav-demo { margin-left: 0; }
  .sm-footer { justify-content: flex-start; }
  .sm-footer .sm-online { margin-left: 0; }
}

@media (max-width: 720px) {
  .sm-footer { padding: 8px 12px; }
  .sm-footer > span:nth-child(2),
  .sm-footer > span:nth-child(3),
  .sm-footer > span:nth-child(4) { display: none; }
  .sm-footer .sm-online { width: 100%; justify-content: center; }

  .wa-kpi-grid .sm-kpi-card { min-height: 106px; }
  .wa-kpi-grid .sm-kpi-card strong { white-space: normal; }

  .public-brand span small { display: none; }
  .public-brand img { width: 42px; height: 42px; }
  .public-site-main { padding-top: 24px; }
  .public-hero { border-radius: 20px; }
  .public-section { margin-top: 42px; }
  .public-card { min-height: auto; }
}

@media (max-width: 480px) {
  .public-site-header { gap: 7px; }
  .public-brand strong { font-size: .92rem; }
  .public-nav { gap: 4px; }
  .public-nav .public-nav-login { display: none; }
  .public-nav .public-nav-demo { min-height: 38px; padding-inline: 11px; font-size: .78rem; }
  .public-site-main { padding-left: 14px; padding-right: 14px; }
  .public-actions .public-btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .public-nav a,
  .public-btn,
  .public-card,
  .wa-recipient-row { transition: none; }
}

@media print {
  .public-site-header,
  .public-site-footer,
  .sm-footer { box-shadow: none !important; }
}