/* Tela de login — hero institucional + card de acesso.
 *
 * Escopo desta folha: só a página de login (pages/index.html). O resto do
 * app continua em tokens.css/components.css. Dark-first deliberado — é a
 * identidade que a IA já usa para a tela de entrada, mais refinada aqui.
 */

.login-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  background: var(--bg-main);
}

.login-institutional {
  position: relative;
  padding: clamp(32px, 6vw, 72px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 28px;
  background:
    radial-gradient(circle at 18% 14%, rgba(var(--accent-rgb), .16), transparent 55%),
    linear-gradient(165deg, #14100a 0%, #0b0906 55%, #060504 100%);
  overflow: hidden;
}

/* Marca-d'água sutil: reforça "governança/continuidade" sem competir com o texto. */
.login-institutional::before {
  content: '';
  position: absolute;
  inset: -20%;
  background: radial-gradient(circle at 82% 78%, rgba(var(--accent-rgb), .10), transparent 45%);
  pointer-events: none;
}

.login-brand-row { display: flex; align-items: center; gap: 18px; z-index: 1; margin-bottom: 8px; }
.login-brand-mark {
  width: clamp(56px, 6vw, 72px); height: clamp(56px, 6vw, 72px); border-radius: 16px; display: block;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .35), 0 0 0 1px rgba(var(--accent-rgb), .18) inset;
}
.login-brand-name {
  font-size: clamp(26px, 3.4vw, 34px); font-weight: 800; letter-spacing: .5px;
  color: var(--text-main); text-transform: uppercase; line-height: 1;
}

.login-headline {
  z-index: 1;
  font-size: clamp(30px, 4.2vw, 46px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--text-main);
  max-width: 16ch;
  letter-spacing: -.2px;
}
.login-headline .accent { color: var(--accent-hex); }

.login-subtitle {
  z-index: 1;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-sub);
  max-width: 44ch;
}

.login-bullets { z-index: 1; display: flex; flex-direction: column; gap: 12px; margin-top: 4px; }
.login-bullet {
  display: flex; align-items: center; gap: 11px;
  font-size: 13px; color: var(--text-sub);
}
.login-bullet-dot {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(var(--accent-rgb), .16);
  border: 1px solid rgba(var(--accent-rgb), .3);
  color: var(--accent-hex);
}
.login-bullet-dot svg { width: 12px; height: 12px; }

.login-footer-note {
  z-index: 1; margin-top: auto; padding-top: 18px;
  font-size: 11.5px; color: var(--text-hint);
  border-top: 1px solid var(--border-main);
}

/* ---------- Lado de acesso ---------- */

.login-access-pane {
  display: flex; align-items: center; justify-content: center;
  padding: clamp(24px, 5vw, 56px);
  background: var(--bg-main);
}

.login-card {
  width: min(400px, 100%);
  padding: 34px 32px 30px;
  border-radius: 18px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-card);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .45), 0 0 0 1px rgba(var(--accent-rgb), .06) inset;
}

.login-card-icon {
  width: 46px; height: 46px; border-radius: 12px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), .22), rgba(var(--accent-rgb), .06));
  border: 1px solid rgba(var(--accent-rgb), .3);
  color: var(--accent-hex);
}
.login-card-icon svg { width: 22px; height: 22px; }

.login-card-title { font-size: 19px; font-weight: 700; color: var(--text-main); margin-bottom: 6px; }
.login-card-text { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; line-height: 1.55; }

.btn-microsoft {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 18px; border-radius: 10px; border: 1px solid rgba(255, 255, 255, .14);
  background: #ffffff; color: #1f1f1f; font-family: inherit; font-size: 14px; font-weight: 600;
  cursor: pointer; transition: filter .15s ease, transform .15s ease;
}
.btn-microsoft:hover { filter: brightness(.96); }
.btn-microsoft:active { transform: translateY(1px); }
.btn-microsoft:disabled { cursor: wait; opacity: .7; }
.btn-microsoft svg { width: 18px; height: 18px; flex-shrink: 0; }

.login-restricted-note {
  margin-top: 16px; text-align: center; font-size: 11.5px; color: var(--text-hint);
}

.login-pending-note {
  margin-top: 14px; padding: 10px 12px; border-radius: 9px;
  background: rgba(var(--accent-rgb), .08); border: 1px solid rgba(var(--accent-rgb), .2);
  font-size: 11px; line-height: 1.5; color: var(--text-sub); text-align: center;
}

/* ---------- Estados: loading / negado / erro ---------- */

.login-state-view { display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; padding: 8px 4px; }
.login-state-icon {
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 21px;
}
.login-state-icon.is-loading { background: rgba(var(--accent-rgb), .14); color: var(--accent-hex); }
.login-state-icon.is-denied { background: rgba(228, 87, 46, .14); color: var(--danger); }
.login-state-icon.is-error { background: rgba(241, 202, 12, .14); color: var(--warn); }

.login-spinner {
  width: 22px; height: 22px; border-radius: 50%;
  border: 3px solid rgba(var(--accent-rgb), .25); border-top-color: var(--accent-hex);
  animation: login-spin .8s linear infinite;
}
@keyframes login-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .login-spinner { animation-duration: 2.4s; } }

.login-state-title { font-size: 16px; font-weight: 700; color: var(--text-main); }
.login-state-message { font-size: 13px; color: var(--text-muted); line-height: 1.6; max-width: 34ch; }

.login-retry-btn {
  margin-top: 4px; padding: 10px 20px; border-radius: 9px; border: 1px solid var(--border-input);
  background: transparent; color: var(--accent-hex); font-family: inherit; font-size: 13px; font-weight: 700;
  cursor: pointer;
}
.login-retry-btn:hover { background: rgba(var(--accent-rgb), .08); }

@media (max-width: 860px) {
  .login-shell { grid-template-columns: 1fr; }
  .login-institutional { padding: 32px 24px; min-height: 44vh; }
  .login-access-pane { padding: 28px 24px 40px; }
  .login-headline { max-width: none; }
}