:root {
  --bg: #f6f7fb;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #dbe4ef;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --danger: #b91c1c;
  --warn: #92400e;
  --ok: #166534;
  --font: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; font-family: var(--font); color: var(--ink); background: var(--bg); }
.auth-page {
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 18% 12%, rgba(46, 118, 255, .32), transparent 30%),
    radial-gradient(circle at 88% 22%, rgba(6, 182, 212, .20), transparent 28%),
    linear-gradient(135deg, #07152b 0%, #0b2243 48%, #102b55 100%);
}
.auth-card {
  width: min(100%, 430px);
  padding: 24px;
  border-radius: 10px;
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(229,231,235,.92);
  box-shadow: 0 22px 54px rgba(15,23,42,.18);
}
.brand-mark { width: 54px; height: 54px; border-radius: 14px; display:grid; place-items:center; background:#111827; color:#fff; font-weight:800; box-shadow: inset 5px 0 0 var(--accent); margin-bottom: 16px; }
h1 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 42px); font-weight: 760; }
.lead, .muted, .footnote { color: var(--muted); line-height: 1.45; }
.footnote { font-size: 12px; margin-top: 18px; }
label { display:block; margin: 12px 0 6px; font-weight: 650; color:#374151; }
input[type="text"], input[type="password"] { width:100%; border:1px solid var(--line); border-radius:7px; padding:10px 11px; font: inherit; }
button, .inline-button { width:100%; margin-top: 16px; border:0; border-radius:7px; padding:10px 12px; font: inherit; font-weight:750; color:#fff; background:#111827; cursor:pointer; text-decoration:none; display:inline-flex; justify-content:center; }
.inline-button { width:auto; padding:10px 16px; }
button:hover, .inline-button:hover { background:#000; }
.dev-button { color: var(--ink); background:#f8fafc; border:1px solid #cbd5e1; margin-top:12px; }
.dev-button:hover { background:#eef2f7; }
.flash-stack { display:grid; gap:10px; margin: 14px 0; }
.flash, .alert { padding:10px 12px; border-radius:12px; border:1px solid var(--line); background:#fff; transition: opacity .65s ease, transform .65s ease; }
.flash.danger { border-color:#fecaca; background:#fff1f2; color:var(--danger); }
.flash.info { border-color:#bfdbfe; background:#eff6ff; color:#1e40af; }
.flash.success { border-color:#bbf7d0; background:#ecfdf5; color:var(--ok); }
.warning { border-color:#fde68a; background:#fffbeb; color:var(--warn); }
.flash-fading { opacity:0; transform: translateY(-6px); }
.topbar { display:flex; justify-content:space-between; gap:16px; align-items:center; padding:16px 24px; background:#fff; border-bottom:1px solid var(--line); }
.topbar strong { display:block; font-size:20px; }
.topbar span { color:var(--muted); font-size:13px; }
.topbar nav { display:flex; gap:14px; }
.topbar a { color:var(--ink); text-decoration:none; font-weight:700; }
.container { max-width:1120px; margin:0 auto; padding:34px 24px 70px; }
.hero p { max-width:760px; color:var(--muted); font-size:17px; }
.cards { display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap:16px; margin: 24px 0; }
.card, .notice { background:#fff; border:1px solid var(--line); border-radius:10px; padding:22px; box-shadow:0 16px 38px rgba(15,23,42,.08); }
.card span { display:block; color:var(--muted); margin-bottom:8px; }
.card strong { font-size:30px; }
.permissions-table { overflow:auto; background:#fff; border:1px solid var(--line); border-radius:10px; margin: 18px 0; }
table { width:100%; border-collapse:collapse; }
th, td { padding:12px; border-bottom:1px solid var(--line); text-align:left; white-space:nowrap; }
th { background:#f8fafc; }
td input[type="checkbox"] { width:20px; height:20px; }
@media (max-width:640px) { .topbar { align-items:flex-start; flex-direction:column; } .container { padding:24px 14px 56px; } .auth-page { padding:14px; } }
select { width:100%; border:1px solid var(--line); border-radius:7px; padding:10px 11px; font: inherit; background:#fff; }
.wide-container { max-width: 1360px; }
.grid-form { display:grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px 14px; align-items:end; }
.grid-form label { margin:0; }
.pill { display:inline-flex; align-items:center; border-radius:999px; padding:4px 10px; font-size:12px; font-weight:800; }
.pill.ok { background:#dcfce7; color:#166534; }
.pill.danger { background:#fee2e2; color:#991b1b; }
.actions-cell { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.actions-cell form { margin:0; }
.mini-button { width:auto; margin:0; border-radius:7px; padding:7px 10px; font-size:13px; }
.inline-password { display:flex; gap:6px; align-items:center; }
.inline-password input { width: 180px; padding:7px 9px; }
.escolar-auth-page {
  overflow-x: hidden;
  position: relative;
  padding: 0;
  background:
    radial-gradient(circle at 18% 12%, rgba(46, 118, 255, .38), transparent 30%),
    radial-gradient(circle at 88% 22%, rgba(6, 182, 212, .22), transparent 28%),
    linear-gradient(135deg, #07152b 0%, #0b2243 48%, #102b55 100%);
}
.escolar-auth-page::before {
  content: "";
  position: fixed;
  inset: -30%;
  z-index: 0;
  pointer-events: none;
  background-image: url("../img/portal-escolar-logo.png");
  background-size: 230px auto;
  background-repeat: repeat;
  opacity: .12;
  transform: rotate(-8deg) scale(1.08);
  animation: portalDrift 68s linear infinite;
}
.escolar-auth-page::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 22%, rgba(37, 99, 235, .14), transparent 30%),
    linear-gradient(180deg, rgba(7, 21, 43, .22), rgba(7, 21, 43, .48));
}
@keyframes portalDrift { from { background-position: 0 0; } to { background-position: 460px 0; } }
.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 34px 16px;
  isolation: isolate;
}
.escolar-auth-card {
  width: min(100%, 430px);
  backdrop-filter: blur(6px);
}
.login-logo-wrap { display:flex; justify-content:center; margin-bottom: 16px; }
.login-logo { width: min(100%, 245px); height: auto; object-fit: contain; filter: drop-shadow(0 8px 18px rgba(15,23,42,.10)); }
.portal-escolar-logo { max-height: 116px; }
.escolar-auth-card h1 { text-align:center; font-size: 1.35rem; margin: 0 0 6px; }
.escolar-auth-card .lead, .login-note { text-align:center; max-width:350px; margin-left:auto; margin-right:auto; }
.login-note { color: var(--muted); font-size:.9rem; line-height:1.42; margin-top:-4px; margin-bottom:16px; }
.escolar-auth-card input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,.13); outline: none; }
@media (max-width: 520px) { .login-shell { padding:18px 10px; align-items:start; } .escolar-auth-card { padding:20px; margin-top:10px; } .login-logo { width:min(100%, 215px); } }
@media (prefers-reduced-motion: reduce) { .escolar-auth-page::before { animation:none; } }