/* ══════════════════════════════════════════
   RESET & VARIÁVEIS GLOBAIS
   ══════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-base:        #0d1229;
  --bg-surface:     #111733;
  --bg-card:        #1a2040;
  --border:         rgba(255,255,255,0.08);
  --border-hover:   rgba(255,255,255,0.22);
  --accent:         #d4292e;
  --accent-2:       #ff5a5f;
  --accent-dim:     rgba(212,41,46,0.15);
  --accent-glow:    rgba(212,41,46,0.35);
  --text-primary:   #f0f2f8;
  --text-secondary: #8a9bb5;
  --text-muted:     #4a5568;
  --font-main: 'Barlow', sans-serif;
  --font-cond: 'Barlow Condensed', sans-serif;
}

html, body {
  height: 100%;
  font-family: var(--font-main);
  background: var(--bg-base);
  color: var(--text-primary);
  overflow: hidden;
}

.page {
  position: fixed; inset: 0; z-index: 1;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(212,41,46,0.3) transparent;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.page::-webkit-scrollbar        { width: 5px; }
.page::-webkit-scrollbar-track  { background: transparent; }
.page::-webkit-scrollbar-thumb  { background: rgba(212,41,46,0.3); border-radius: 4px; }
.page::-webkit-scrollbar-thumb:hover { background: rgba(212,41,46,0.55); }

.page.hidden { opacity: 0; pointer-events: none; transform: translateY(16px); }

.accent-line {
  position: fixed; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  z-index: 3;
}

/* ══════════════════════════════════════════
   LOGIN
   ══════════════════════════════════════════ */
#login-page {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 32px 16px;
  background:
    radial-gradient(1100px 620px at 78% 18%, rgba(46,64,132,0.42) 0%, transparent 62%),
    radial-gradient(900px 600px at 8% 92%, rgba(212,41,46,0.12) 0%, transparent 58%),
    radial-gradient(1400px 900px at 50% 50%, transparent 55%, rgba(4,6,16,0.75) 100%),
    linear-gradient(160deg, #0b0f24 0%, #0e1430 55%, #0a0e22 100%);
}

/* Brilho lento (aurora) por trás do cartão */
#login-page::before {
  content: '';
  position: absolute;
  width: 760px; height: 760px;
  top: 50%; left: 50%;
  background:
    radial-gradient(closest-side, rgba(212,41,46,0.16) 0%, transparent 70%),
    radial-gradient(closest-side, rgba(52,86,180,0.16) 0%, transparent 70%);
  background-position: 30% 40%, 70% 60%;
  background-repeat: no-repeat;
  filter: blur(18px);
  transform: translate(-50%, -50%);
  animation: auroraDrift 16s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: 0;
}

/* Textura de grade fina */
#login-page::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.020) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.020) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 45%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 70% at 50% 45%, #000 0%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

@keyframes auroraDrift {
  0%   { transform: translate(-52%, -50%) rotate(0deg)   scale(1);    opacity: .85; }
  100% { transform: translate(-48%, -52%) rotate(8deg)   scale(1.08); opacity: 1; }
}

.login-card {
  position: relative;
  z-index: 2;
  width: 408px;
  max-width: 100%;
  background:
    linear-gradient(180deg, rgba(26,32,64,0.92) 0%, rgba(17,23,51,0.94) 100%);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: 20px;
  padding: 42px 40px 38px;
  overflow: hidden;
  box-shadow:
    0 30px 80px -20px rgba(0,0,0,0.75),
    0 8px 24px -8px rgba(0,0,0,0.6),
    inset 0 1px 0 rgba(255,255,255,0.06);
  animation: cardRise 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

/* Barra de acento no topo do cartão */
.login-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent) 30%, var(--accent-2) 55%, transparent);
  opacity: .9;
}

/* Brilho de canto */
.login-card::after {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 220px; height: 220px;
  background: radial-gradient(circle, rgba(212,41,46,0.16) 0%, transparent 70%);
  pointer-events: none;
}

@keyframes cardRise {
  from { opacity: 0; transform: translateY(22px) scale(0.985); }
  to   { opacity: 1; transform: translateY(0)    scale(1); }
}

.login-logo-wrap  { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-bottom: 18px; }
.login-logo-img   {
  width: auto; height: 88px; max-width: 240px; object-fit: contain;
  filter: drop-shadow(0 8px 22px rgba(212,41,46,0.26));
}
.login-wordmark {
  font-family: var(--font-cond);
  font-size: 30px; font-weight: 700; letter-spacing: 0.34em;
  text-indent: 0.34em;
  background: linear-gradient(180deg, #ffffff 0%, #c7d0e6 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: #eef1f8;
}
.login-divider    {
  width: 46px; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  margin: 12px auto 22px; border-radius: 3px;
  box-shadow: 0 0 12px rgba(212,41,46,0.5);
}
.login-title      { font-size: 16px; font-weight: 600; text-align: center; margin-bottom: 5px; letter-spacing: .01em; }
.login-subtitle   { font-size: 12px; color: var(--text-secondary); text-align: center; margin-bottom: 28px; }

.field             { margin-bottom: 16px; }
.field label       { display: block; font-size: 11px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 7px; }
.field input {
  width: 100%; height: 46px;
  background: rgba(255,255,255,0.045);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 0 15px;
  font-family: var(--font-main); font-size: 14px; color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.field input:hover        { border-color: rgba(255,255,255,0.18); }
.field input:focus        {
  border-color: var(--accent);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 0 0 3px rgba(212,41,46,0.16);
}
.field input::placeholder { color: var(--text-muted); }

.login-btn {
  position: relative;
  width: 100%; height: 48px;
  background: linear-gradient(180deg, var(--accent-2) 0%, var(--accent) 100%);
  border: none; border-radius: 10px;
  font-family: var(--font-main); font-size: 13px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; color: #fff;
  cursor: pointer; margin-top: 10px;
  overflow: hidden;
  box-shadow: 0 10px 26px -10px rgba(212,41,46,0.7), inset 0 1px 0 rgba(255,255,255,0.22);
  transition: transform 0.12s, box-shadow 0.2s, filter 0.2s;
}
.login-btn::after {
  content: '';
  position: absolute; top: 0; left: -60%;
  width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.28), transparent);
  transform: skewX(-18deg);
  transition: left 0.55s ease;
}
.login-btn:hover          { filter: brightness(1.06); box-shadow: 0 14px 32px -10px rgba(212,41,46,0.8), inset 0 1px 0 rgba(255,255,255,0.28); }
.login-btn:hover::after   { left: 130%; }
.login-btn:active         { transform: translateY(1px) scale(0.995); }
.login-btn.loading        { pointer-events: none; opacity: 0.7; }
.login-error              { font-size: 13px; color: #ff6b6b; margin-top: 14px; text-align: center; min-height: 18px; }

/* Rodapé com o slogan */
.login-foot {
  position: relative; z-index: 2;
  margin-top: 22px;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
}

/* ── Tela de sessão expirada ── */
#session-expired {
  display: none;
  position: fixed; inset: 0; z-index: 100;
  background: rgba(9,12,26,0.9); backdrop-filter: blur(10px);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 16px; text-align: center;
  padding: 24px;
}
#session-expired.visible { display: flex; }
#session-expired p { font-size: 14px; color: var(--text-secondary); }
#session-expired .login-btn { width: 200px; }

.loader-icon {
  width: 36px; height: 36px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ══════════════════════════════════════════
   RESPONSIVIDADE
   ══════════════════════════════════════════ */
@media (max-width: 680px) {
  .login-card { width: 100%; padding: 34px 26px 30px; }
  .login-logo-img { height: 74px; }
  .login-wordmark { font-size: 26px; }
  #login-page::before { width: 480px; height: 480px; }
}

@media (prefers-reduced-motion: reduce) {
  #login-page::before { animation: none; }
  .login-card { animation: none; }
  .login-btn::after { display: none; }
}