@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&display=swap');

:root {
  --bg:        #000;
  --card:      #090909;
  --accent:    #4AFFC5;
  --accent-dim:rgba(74,255,197,0.08);
  --accent-glow:rgba(74,255,197,0.25);
  --text:      #E5E7F1;
  --muted:     rgba(229,231,241,0.5);
  --border:    rgba(74,255,197,0.14);
  --input-bg:  #111;
  --danger:    #FF4D6A;
  --warning:   #FFB830;
  --radius:    14px;
  --radius-sm: 9px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Sora', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content:'';
  position:fixed;
  inset:0;
  background:
    radial-gradient(ellipse 50% 60% at 50% 0%, rgba(74,255,197,0.05) 0%, transparent 60%);
  pointer-events:none;
}

.login-bg {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 32px;
  box-shadow: 0 8px 48px rgba(0,0,0,0.7), 0 0 0 1px rgba(74,255,197,0.04);
}

/* Header */
.login-header { text-align: center; margin-bottom: 32px; }

/* Logo oficial Grandino (SVG horizontal 528x91) */
.login-logo {
  max-width: 200px;
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto 16px;
}

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

/* Alert */
.login-alert {
  padding: 12px 16px;
  background: rgba(255,77,106,0.08);
  border: 1px solid rgba(255,77,106,0.3);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--danger);
  margin-bottom: 20px;
  animation: fadeIn 0.25s ease;
}

.login-alert.success {
  background: rgba(74,255,197,0.08);
  border-color: rgba(74,255,197,0.3);
  color: var(--accent);
}

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

/* Form */
.login-form { display: flex; flex-direction: column; gap: 16px; }

.field-group { display: flex; flex-direction: column; gap: 6px; }

label {
  font-size: 0.72rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em;
}

input[type="text"],
input[type="password"] {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
  padding: 13px 16px;
  color: var(--text);
  font-family: 'Sora', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: all 0.22s ease;
  min-height: 48px;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim), 0 0 12px var(--accent-glow);
  background: rgba(74,255,197,0.03);
}

input.error { border-color: var(--danger); }

/* Password toggle */
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 44px; }
.pw-toggle {
  position: absolute; right: 12px; top: 50%;
  transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  font-size: 1rem; color: var(--muted);
  padding: 4px; line-height: 1; min-height: 32px; min-width: 32px;
  display: flex; align-items: center; justify-content: center;
}

/* Botões */
.btn-login {
  background: linear-gradient(135deg, var(--accent), #22e6a4);
  border: none; color: #000;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: 'Sora', sans-serif;
  font-size: 0.9rem; font-weight: 700;
  cursor: pointer;
  transition: all 0.22s ease;
  min-height: 48px;
  letter-spacing: 0.02em;
  box-shadow: 0 4px 20px rgba(74,255,197,0.3);
  margin-top: 4px;
  position: relative;
}
.btn-login:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(74,255,197,0.45);
}
.btn-login:disabled { opacity:0.35; cursor:not-allowed; transform:none; }
.btn-login.loading { color: transparent; }
.btn-login.loading::after {
  content:'';
  position:absolute; inset:0; margin:auto;
  width:20px; height:20px;
  border:2px solid rgba(0,0,0,0.3);
  border-top-color:#000;
  border-radius:50%;
  animation:spin 0.7s linear infinite;
}
@keyframes spin { to { transform:rotate(360deg); } }

.btn-back {
  background:none; border:none; color:var(--muted);
  font-family:'Sora',sans-serif; font-size:0.8rem;
  cursor:pointer; text-align:center; min-height:32px;
  transition:color 0.2s;
}
.btn-back:hover { color:var(--text); }

/* TOTP info */
.totp-info, .change-pw-info {
  text-align:center; padding:14px;
  background:var(--accent-dim);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
}
.totp-icon { font-size:1.8rem; margin-bottom:8px; }
.totp-info p, .change-pw-info p { font-size:0.82rem; color:var(--muted); }
.totp-info strong, .change-pw-info strong { color:var(--text); }

/* TOTP input centralizado */
#totp-code {
  font-size:1.6rem; text-align:center;
  letter-spacing:0.3em; font-weight:700;
}

/* Regras de senha */
.pw-rules {
  list-style:none; margin-top:8px;
  display:flex; flex-direction:column; gap:4px;
}
.pw-rule {
  font-size:0.72rem; color:var(--muted);
  display:flex; align-items:center; gap:6px;
}
.pw-rule::before { content:'○'; color:var(--muted); font-size:0.6rem; }
.pw-rule.ok { color:var(--accent); }
.pw-rule.ok::before { content:'●'; color:var(--accent); }

/* Footer */
.login-footer {
  text-align:center; margin-top:24px;
  font-size:0.7rem; color:rgba(229,231,241,0.2);
}