:root {
  --ink: #0e1210;
  --panel: #171c19;
  --line: rgba(243, 241, 235, 0.1);
  --paper: #f3f1eb;
  --muted: #8a9188;
  --lime: #c6f000;
  --ember: #ff4d1a;
  --ok: #6dffb0;
  --warn: #ffd166;
  --font-display: "Bebas Neue", Impact, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  background: var(--ink);
  color: var(--paper);
  line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.aluno-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.aluno-side {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 1.5rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.aluno-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.04em;
}

.aluno-brand span {
  width: 1.8rem;
  height: 1.8rem;
  display: grid;
  place-items: center;
  background: var(--lime);
  color: var(--ink);
  font-size: 1.1rem;
}

.aluno-nav {
  display: grid;
  gap: 0.25rem;
}

.aluno-nav a {
  padding: 0.7rem 0.85rem;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  border-left: 3px solid transparent;
}

.aluno-nav a:hover,
.aluno-nav a.is-active {
  color: var(--paper);
  background: rgba(198, 240, 0, 0.06);
  border-left-color: var(--lime);
}

.aluno-side-foot {
  margin-top: auto;
  display: grid;
  gap: 0.5rem;
}

.aluno-side-foot a {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.aluno-side-foot a:hover { color: var(--lime); }

.aluno-main {
  padding: 1.75rem 1.75rem 3rem;
}

.aluno-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.75rem;
}

.aluno-top h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: 0.03em;
  margin: 0;
  line-height: 1;
  font-weight: 400;
}

.aluno-top p {
  margin: 0.4rem 0 0;
  color: var(--muted);
}

.grid-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1.15rem 1.2rem;
}

.stat small {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.stat strong {
  font-family: var(--font-display);
  font-size: 1.85rem;
  letter-spacing: 0.02em;
  font-weight: 400;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1.35rem 1.4rem;
  margin-bottom: 1rem;
}

.panel h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  letter-spacing: 0.03em;
  margin: 0 0 0.85rem;
  font-weight: 400;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.badge-ativa { background: rgba(109, 255, 176, 0.15); color: var(--ok); }
.badge-pendente { background: rgba(255, 209, 102, 0.15); color: var(--warn); }
.badge-vencida,
.badge-cancelada { background: rgba(255, 77, 26, 0.15); color: #ffb39a; }
.badge-pausada { background: rgba(138, 145, 136, 0.2); color: var(--muted); }

.ex-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.ex-list li {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  font-weight: 500;
}

.ex-list li span {
  font-family: var(--font-display);
  color: var(--lime);
  font-size: 1.1rem;
  min-width: 1.5rem;
}

.week-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.week-panel-head h2 {
  margin: 0;
}

.week-foco {
  margin: 0 0 0.85rem;
  color: var(--lime);
  font-weight: 700;
  font-size: 0.95rem;
}

.week-panel.is-today {
  border-color: rgba(198, 240, 0, 0.35);
  box-shadow: inset 3px 0 0 var(--lime);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.6rem 1.15rem;
  font: inherit;
  font-weight: 700;
  border: none;
  cursor: pointer;
  background: var(--lime);
  color: var(--ink);
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper);
}

.alert {
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.alert-ok { background: rgba(198, 240, 0, 0.12); color: var(--lime); }
.alert-err { background: rgba(255, 77, 26, 0.15); color: #ffb39a; }

/* Login */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
  background:
    radial-gradient(ellipse 50% 40% at 20% 10%, rgba(198, 240, 0, 0.12), transparent 55%),
    var(--ink);
}

.login-box {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1.75rem;
}

.login-box h1 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  letter-spacing: 0.03em;
  margin: 0 0 0.35rem;
  font-weight: 400;
}

.login-box > p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.login-box label {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.login-box input {
  min-height: 2.75rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--ink);
  color: var(--paper);
  font: inherit;
}

.login-box .btn { width: 100%; margin-top: 0.35rem; }

.login-links {
  margin-top: 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.login-links a { color: var(--lime); font-weight: 700; }

.login-dev {
  margin: 1.25rem 0 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.login-dev a {
  color: var(--lime);
  font-weight: 700;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  text-align: left;
  padding: 0.7rem 0.5rem;
  border-bottom: 1px solid var(--line);
}

th { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; }

@media (max-width: 860px) {
  .aluno-shell { grid-template-columns: 1fr; }
  .aluno-side {
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding-bottom: 1rem;
  }
  .aluno-nav { grid-template-columns: repeat(2, 1fr); }
  .aluno-side-foot { margin-top: 0.5rem; flex-direction: row; display: flex; }
  .grid-stats { grid-template-columns: 1fr; }
}