/* ============================================================
   Portal do Aluno · São Judas Tadeu EAD
   Mobile-first · CSS3
   ============================================================ */

:root {
  --sjt-azul:       #353E88;
  --sjt-azul-dark:  #272d62;
  --sjt-azul-light: #4a54a8;
  --sjt-verde:      #00843D;
  --sjt-verde-dark: #005e2a;
  --sjt-branco:     #FFFFFF;
  --sjt-cinza:      #F0F2F5;
  --sjt-cinza-md:   #CDD1D8;
  --sjt-text:       #1a1d23;
  --sjt-text-muted: #6b7280;

  --card-w:      min(340px, 92vw);
  --card-h:      calc(var(--card-w) * 0.62);
  --card-radius: 16px;

  --nav-h:       56px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);

  --transition:  0.2s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--sjt-cinza);
  color: var(--sjt-text);
  min-height: 100dvh;
  overscroll-behavior: none;
}

/* ── Login Page ────────────────────────── */

.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 24px 16px calc(24px + var(--safe-bottom));
  background: linear-gradient(160deg, var(--sjt-azul) 0%, var(--sjt-azul-light) 60%, var(--sjt-verde) 100%);
}

.login-container {
  width: 100%;
  max-width: 400px;
}

.login-logo-area {
  text-align: center;
  margin-bottom: 32px;
}

.login-logo {
  width: auto;
  height: 64px;
  max-width: 220px;
  object-fit: contain;
  margin-bottom: 12px;
}

.login-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--sjt-branco);
  letter-spacing: -0.02em;
}

.login-subtitle {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  margin-top: 4px;
}

.login-form {
  background: var(--sjt-branco);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
}

.tab-toggle {
  display: flex;
  background: var(--sjt-cinza);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 20px;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 8px;
  background: transparent;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--sjt-text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--sjt-branco);
  color: var(--sjt-azul);
  font-weight: 700;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sjt-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--sjt-cinza-md);
  border-radius: 10px;
  font-size: 1rem;
  color: var(--sjt-text);
  background: var(--sjt-branco);
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--sjt-azul);
  box-shadow: 0 0 0 3px rgba(53, 62, 136, 0.12);
}

.alert {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.85rem;
  margin-bottom: 16px;
  font-weight: 500;
}

.alert-error   { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-info    { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: none;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--sjt-azul);
  color: var(--sjt-branco);
}
.btn-primary:hover  { background: var(--sjt-azul-dark); }
.btn-primary:active { transform: scale(0.98); }

.btn-success {
  background: var(--sjt-verde);
  color: var(--sjt-branco);
}
.btn-success:hover { background: var(--sjt-verde-dark); }

.btn-ghost {
  background: transparent;
  color: var(--sjt-text-muted);
  border: 1.5px solid var(--sjt-cinza-md);
}
.btn-ghost:hover { background: var(--sjt-cinza); }

.btn-danger {
  background: #ef4444;
  color: var(--sjt-branco);
}
.btn-danger:hover { background: #dc2626; }

.btn-full { width: 100%; }
.btn-sm   { padding: 7px 12px; font-size: 0.8rem; border-radius: 7px; }

/* ── Student App Layout ─────────────────── */

.app-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  padding-bottom: calc(var(--nav-h) + var(--safe-bottom));
}

.app-header {
  background: var(--sjt-azul);
  color: var(--sjt-branco);
  padding: 14px 20px 14px;
  padding-top: calc(14px + env(safe-area-inset-top, 0px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-header-logo {
  height: 36px;
  width: auto;
  max-width: 128px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 4px;
}

.app-header-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.app-header-sub {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.7);
  margin-top: 1px;
}

.btn-logout {
  background: rgba(255,255,255,0.15);
  border: none;
  color: white;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

/* ── Tab Sections ─────────────────────── */

.section-page {
  display: none;
  padding: 24px 16px;
  animation: fadeIn 0.2s ease;
}
.section-page.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Bottom Navigation ────────────────── */

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: calc(var(--nav-h) + var(--safe-bottom));
  padding-bottom: var(--safe-bottom);
  background: var(--sjt-branco);
  display: flex;
  border-top: 1px solid var(--sjt-cinza-md);
  z-index: 200;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.08);
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  cursor: pointer;
  background: none;
  border: none;
  color: var(--sjt-text-muted);
  font-size: 0.68rem;
  font-weight: 500;
  padding: 8px 4px;
  transition: color var(--transition);
}

.nav-item.active {
  color: var(--sjt-azul);
}

.nav-item svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ── Carteirinha 3D Flip ──────────────── */

.card-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
  width: 100%;
}

.card-toolbar {
  width: 100%;
  max-width: 380px;
  padding: 0 4px;
  position: relative;
  z-index: 30;
}

.card-view-toggle {
  display: flex;
  width: 100%;
  gap: 8px;
  padding: 6px;
  background: var(--sjt-branco);
  border: 1px solid var(--sjt-cinza-md);
  border-radius: 16px;
  box-shadow: 0 4px 18px rgba(53, 62, 136, 0.1);
}

.card-view-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 58px;
  border: 2px solid transparent;
  border-radius: 12px;
  background: var(--sjt-cinza);
  cursor: pointer;
  padding: 8px 10px;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  -webkit-tap-highlight-color: transparent;
}

.card-view-btn.is-active {
  border-color: var(--sjt-azul);
  background: rgba(53, 62, 136, 0.06);
  box-shadow: 0 2px 8px rgba(53, 62, 136, 0.12);
}

.card-view-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--sjt-text-muted);
  line-height: 1;
}

.card-view-btn.is-active .card-view-label {
  color: var(--sjt-azul);
}

.card-view-thumb {
  display: block;
  background: linear-gradient(160deg, #454fa0, var(--sjt-azul));
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.22);
}

.card-view-thumb--portrait {
  width: 18px;
  height: 26px;
}

.card-view-thumb--landscape {
  width: 26px;
  height: 18px;
}

.card-section.view-portrait {
  --card-w: min(340px, 92vw);
  --card-h: calc(var(--card-w) * 0.72);
}

.section-page[data-section="carteirinha"]:has(.view-landscape) {
  padding: 6px 4px 10px;
}

.card-section.view-landscape {
  --card-w: min(
    calc((100vw - 8px) / 0.54),
    calc(100dvh - 148px),
    540px
  );
  --card-h: calc(var(--card-w) * 0.54);
  gap: 6px;
  padding-top: 0;
}

.card-scene-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: var(--card-h);
  transition: min-height 0.35s ease, padding 0.35s ease;
}

.card-section.view-landscape .card-toolbar {
  max-width: none;
  padding: 0;
}

.card-section.view-landscape .card-scene-wrap {
  min-height: calc(var(--card-w) + 8px);
  padding: 0;
}

.card-scene {
  width: var(--card-w);
  height: var(--card-h);
  perspective: 1200px;
  cursor: pointer;
  user-select: none;
  transition: transform 0.35s ease, width 0.35s ease, height 0.35s ease;
  flex-shrink: 0;
}

.card-section.view-landscape .card-scene {
  transform: rotate(90deg);
}

@media (orientation: landscape) {
  .section-page[data-section="carteirinha"] {
    padding: 4px 6px 6px;
  }

  .card-section.view-landscape {
    --card-w: min(calc(100vw - 12px), calc((100dvh - 56px) / 0.54), 720px);
    --card-h: calc(var(--card-w) * 0.54);
    gap: 4px;
  }

  .card-section.view-landscape .card-toolbar {
    max-width: none;
  }

  .card-section.view-landscape .card-scene-wrap {
    min-height: var(--card-h);
    padding: 0;
  }

  .card-section.view-landscape .card-scene {
    transform: none;
  }
}

.card-hint {
  font-size: 0.75rem;
  color: var(--sjt-text-muted);
  text-align: center;
  padding: 0 12px;
}

.card-3d {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4, 0.2, 0.2, 1);
  border-radius: var(--card-radius);
}

.card-3d.flipped {
  transform: rotateY(180deg);
}

.card-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2), 0 2px 8px rgba(0,0,0,0.1);
}

.card-face-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.card-watermark {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(4.5rem, 28vw, 7rem);
  font-weight: 900;
  color: rgba(255, 255, 255, 0.07);
  letter-spacing: -0.04em;
  transform: rotate(-22deg);
  pointer-events: none;
  z-index: 0;
  user-select: none;
}

.card-front::before,
.card-back::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 18%, rgba(255,255,255,0.12) 0%, transparent 42%),
    radial-gradient(circle at 88% 82%, rgba(0,0,0,0.12) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

/* ── Front ────────────────────────────── */
.card-front {
  background: linear-gradient(135deg, #454fa0 0%, var(--sjt-azul) 52%, var(--sjt-azul-dark) 100%);
  color: var(--sjt-branco);
  padding: 10px 12px 9px;
}

.card-front-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 7px;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  margin-bottom: 7px;
  flex-shrink: 0;
}

.card-logo {
  height: 30px;
  width: auto;
  max-width: 120px;
  object-fit: contain;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.94);
  padding: 3px 8px;
  border-radius: 5px;
}

.card-back-logo {
  height: 26px;
  width: auto;
  max-width: 108px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.94);
  padding: 3px 7px;
  border-radius: 5px;
}

.card-uni-name {
  font-size: 0.56rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  line-height: 1.3;
  color: rgba(255,255,255,0.9);
}

.card-ead-badge {
  margin-left: auto;
  background: var(--sjt-verde);
  color: white;
  font-size: 0.52rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.card-body {
  display: flex;
  gap: 9px;
  flex: 0 1 auto;
  align-items: flex-start;
  min-height: 0;
  overflow: hidden;
}

.card-photo {
  width: 54px;
  height: 68px;
  object-fit: cover;
  border-radius: 7px;
  border: 2px solid var(--sjt-verde);
  flex-shrink: 0;
  background: rgba(255,255,255,0.1);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.card-name {
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.15;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-ensino-sup {
  font-size: 0.52rem;
  font-weight: 600;
  color: rgba(255,255,255,0.55);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.card-ra {
  font-size: 0.64rem;
  color: rgba(255,255,255,0.7);
  margin-top: 2px;
}

.card-course {
  font-size: 0.56rem;
  color: rgba(255,255,255,0.85);
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-periodo {
  font-size: 0.59rem;
  color: #6ee7b7;
  font-weight: 600;
}

.card-section.view-portrait .card-body {
  align-items: center;
}

.card-section.view-landscape .card-front,
.card-section.view-landscape .card-back {
  padding: 7px 10px 6px;
}

.card-section.view-landscape .card-front-header,
.card-section.view-landscape .card-back-header {
  margin-bottom: 4px;
  padding-bottom: 4px;
  gap: 8px;
}

.card-section.view-landscape .card-logo {
  height: 38px;
  max-width: 148px;
  padding: 4px 10px;
}

.card-section.view-landscape .card-back-logo {
  height: 32px;
  max-width: 132px;
  padding: 4px 9px;
}

.card-section.view-landscape .card-uni-name {
  font-size: 0.62rem;
}

.card-section.view-landscape .card-ead-badge {
  font-size: 0.58rem;
  padding: 3px 7px;
}

.card-section.view-landscape .card-face-inner {
  gap: 4px;
}

.card-section.view-landscape .card-body {
  flex: 1;
  align-items: center;
  gap: clamp(10px, 3vw, 16px);
  padding: 2px 0;
  min-height: 0;
}

.card-section.view-landscape .card-photo {
  width: auto;
  height: min(128px, 92%);
  max-width: 36%;
  aspect-ratio: 54 / 68;
  object-fit: cover;
}

.card-section.view-landscape .card-info {
  flex: 1;
  gap: 5px;
  justify-content: center;
  min-width: 0;
}

.card-section.view-landscape .card-name {
  font-size: 1.05rem;
  -webkit-line-clamp: 3;
}

.card-section.view-landscape .card-ensino-sup {
  font-size: 0.66rem;
}

.card-section.view-landscape .card-ra {
  font-size: 0.8rem;
  margin-top: 3px;
}

.card-section.view-landscape .card-course {
  font-size: 0.72rem;
  -webkit-line-clamp: 3;
}

.card-section.view-landscape .card-periodo {
  font-size: 0.78rem;
  margin-top: 3px;
}

.card-section.view-landscape .card-meta-row {
  margin-top: 0;
  padding-top: 7px;
  padding-bottom: 1px;
  flex-shrink: 0;
}

.card-section.view-landscape .card-meta-item {
  padding: 0 6px;
}

.card-section.view-landscape .card-meta-label {
  font-size: 0.54rem;
  margin-bottom: 3px;
}

.card-section.view-landscape .card-meta-value {
  font-size: 0.72rem;
}

.card-section.view-landscape .card-watermark {
  font-size: clamp(2.8rem, 16vw, 4.5rem);
}

.card-section.view-landscape .card-back-qr {
  flex: 1;
  align-items: center;
  justify-content: center;
  gap: clamp(12px, 3vw, 18px);
  min-height: 0;
}

.card-section.view-landscape .qr-wrapper {
  width: clamp(96px, 28%, 128px);
  height: auto;
  aspect-ratio: 1;
}

.card-section.view-landscape .qr-ra {
  font-size: clamp(0.72rem, 2.6vw, 0.86rem);
}

.card-section.view-landscape .qr-scan-hint {
  font-size: clamp(0.58rem, 2.2vw, 0.68rem);
}

.card-section.view-landscape .card-back-title {
  font-size: clamp(0.54rem, 2vw, 0.62rem);
}

.card-section.view-landscape .card-back-footer {
  font-size: clamp(0.5rem, 1.9vw, 0.58rem);
  padding-top: 5px;
  margin-top: 4px;
}

.card-meta-row {
  display: flex;
  align-items: stretch;
  margin-top: auto;
  padding-top: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  flex-shrink: 0;
}

.card-meta-item {
  flex: 1;
  min-width: 0;
  padding: 0 6px;
  text-align: left;
}

.card-meta-item + .card-meta-item {
  border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.card-meta-item--validade .card-meta-value {
  color: #86efac;
}

.card-meta-label {
  display: block;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 2px;
}

.card-meta-value {
  display: block;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card-section.view-portrait .card-meta-label {
  font-size: 0.4rem;
}

.card-section.view-portrait .card-meta-value {
  font-size: 0.5rem;
}

.card-front-footer {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex-shrink: 0;
}

.card-section.view-landscape .card-front-footer {
  display: none;
}

.card-section.view-portrait .card-front-footer {
  padding-top: 4px;
}

.card-flip-hint {
  font-size: 0.55rem;
  color: rgba(255,255,255,0.38);
  animation: pulse-hint 2.5s ease-in-out infinite;
}

@keyframes pulse-hint {
  0%, 100% { opacity: 0.38; }
  50%       { opacity: 0.82; }
}

/* ── Back ─────────────────────────────── */
.card-back {
  background: linear-gradient(135deg, #005c2a 0%, var(--sjt-verde) 55%, #007a35 100%);
  color: var(--sjt-branco);
  transform: rotateY(180deg);
  padding: 11px 14px 10px;
}

.card-back-header {
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding-bottom: 8px;
  margin-bottom: 10px;
  flex-shrink: 0;
}

.card-back-title {
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  line-height: 1.3;
  color: rgba(255,255,255,0.85);
}

/* QR row: white box left + text right */
.card-back-qr {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
}

.qr-wrapper {
  width: 108px;
  height: 108px;
  background: white;
  border-radius: 8px;
  padding: 6px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.qr-wrapper canvas,
.qr-wrapper img {
  width: 100% !important;
  height: 100% !important;
  display: block;
  border-radius: 3px;
}

.qr-placeholder-inner {
  width: 100%;
  height: 100%;
  background: repeating-conic-gradient(#d1d5db 0% 25%, white 0% 50%) 0 0 / 9px 9px;
  border-radius: 3px;
  opacity: 0.55;
}

.qr-text {
  display: flex;
  flex-direction: column;
  gap: 7px;
  min-width: 0;
}

.qr-ra {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  color: white;
  letter-spacing: 0.12em;
  word-break: break-all;
}

.qr-scan-hint {
  font-size: 0.58rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.45;
}

.card-back-footer {
  font-size: 0.53rem;
  text-align: center;
  color: rgba(255,255,255,0.52);
  line-height: 1.5;
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 7px;
  margin-top: 7px;
  flex-shrink: 0;
}

/* Telas muito estreitas (iPhone SE, ≤ 360px) */
@media (max-width: 360px) {
  .card-meta-value { font-size: 0.44rem; }
  .card-meta-label { font-size: 0.34rem; }
  .card-photo       { width: 50px; height: 64px; }
  .card-name        { font-size: 0.72rem; }
}

/* ── Notas Section ───────────────────── */

.notas-section {
  padding: 16px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--sjt-azul);
  margin-bottom: 4px;
}

.section-subtitle {
  font-size: 0.8rem;
  color: var(--sjt-text-muted);
  margin-bottom: 20px;
}

.semestre-group {
  margin-bottom: 24px;
}

.semestre-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--sjt-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--sjt-cinza-md);
}

.nota-card {
  background: var(--sjt-branco);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 4px 12px;
  align-items: center;
}

.nota-disciplina {
  font-size: 0.85rem;
  font-weight: 600;
  grid-column: 1;
}

.nota-badge {
  font-size: 1rem;
  font-weight: 700;
  grid-column: 2;
  grid-row: 1 / 3;
  text-align: center;
  min-width: 44px;
}

.nota-badge.aprovado  { color: var(--sjt-verde); }
.nota-badge.reprovado { color: #ef4444; }
.nota-badge.cursando  { color: var(--sjt-azul); }

.nota-parciais {
  font-size: 0.72rem;
  color: var(--sjt-text-muted);
  grid-column: 1;
}

.situacao-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 2px;
}

.situacao-pill.aprovado  { background: #dcfce7; color: #166534; }
.situacao-pill.reprovado { background: #fee2e2; color: #991b1b; }
.situacao-pill.cursando  { background: #dbeafe; color: #1e40af; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--sjt-text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  stroke: var(--sjt-cinza-md);
  fill: none;
  stroke-width: 1.5;
  margin-bottom: 12px;
}

.empty-state p {
  font-size: 0.9rem;
}

/* ── PWA Install Banner ───────────────── */

.install-banner {
  position: fixed;
  bottom: calc(var(--nav-h) + var(--safe-bottom) + 12px);
  left: 16px;
  right: 16px;
  background: var(--sjt-azul);
  color: white;
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  z-index: 300;
  transform: translateY(0);
  animation: slideUp 0.3s ease;
}

.install-banner.hidden { display: none; }

@keyframes slideUp {
  from { transform: translateY(80px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}

.install-banner-text {
  flex: 1;
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
}

.install-banner-text span {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  color: rgba(255,255,255,0.7);
  margin-top: 2px;
}

/* ── Responsive ───────────────────────── */

/* ── Agenda EAD ─────────────────────── */

.agenda-section {
  padding: 16px 16px calc(var(--nav-h) + var(--safe-bottom) + 24px);
  max-width: 480px;
  margin: 0 auto;
}

.agenda-block-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sjt-azul);
  margin: 20px 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--sjt-verde);
}

.agenda-block-title:first-of-type {
  margin-top: 0;
}

.empty-state-sm {
  padding: 20px 16px;
}

.empty-state-sm p {
  font-size: 0.82rem;
}

.horario-lista,
.atividades-lista {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.horario-card {
  display: flex;
  gap: 12px;
  background: white;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 2px 8px rgba(0, 48, 135, 0.08);
  border-left: 4px solid var(--sjt-azul);
}

.horario-quando {
  flex-shrink: 0;
  width: 72px;
  text-align: center;
  background: var(--sjt-cinza);
  border-radius: 8px;
  padding: 8px 4px;
}

.horario-dia {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  color: var(--sjt-azul);
  line-height: 1.2;
}

.horario-hora {
  display: block;
  font-size: 0.68rem;
  color: var(--sjt-text-muted);
  margin-top: 4px;
}

.horario-disc {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
}

.horario-meta {
  font-size: 0.72rem;
  color: var(--sjt-text-muted);
  margin-top: 4px;
  line-height: 1.35;
}

.horario-meet-link {
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--sjt-azul);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  text-decoration: none;
}

.horario-meet-link:active {
  opacity: 0.85;
}

.atividade-card {
  display: flex;
  gap: 12px;
  background: white;
  border-radius: 12px;
  padding: 12px;
  box-shadow: 0 2px 8px rgba(0, 48, 135, 0.08);
  border-left: 4px solid var(--sjt-azul);
}

.atividade-card.passado { opacity: 0.55; }

.atividade-card.prova_p1,
.atividade-card.prova_p2 { border-left-color: #dc2626; }

.atividade-card.entrega_atividade { border-left-color: #d97706; }

.atividade-data {
  flex-shrink: 0;
  width: 44px;
  text-align: center;
  background: var(--sjt-cinza);
  border-radius: 8px;
  padding: 6px 4px;
}

.atividade-dia {
  display: block;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--sjt-azul);
  line-height: 1;
}

.atividade-mes {
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--sjt-text-muted);
  margin-top: 2px;
}

.atividade-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.atividade-tipo {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sjt-verde);
}

.atividade-titulo {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
}

.atividade-desc,
.atividade-prazo {
  font-size: 0.72rem;
  color: var(--sjt-text-muted);
  line-height: 1.35;
}

.bottom-nav .nav-item {
  font-size: 0.62rem;
}

.bottom-nav .nav-item svg {
  width: 20px;
  height: 20px;
}

@media (min-width: 480px) {
  .card-section { padding-top: 24px; }
}

@media (min-width: 768px) {
  .login-container { max-width: 420px; }
}