:root{
  --bg-a:#0b0f15;
  --bg-b:#151b24;
  --card:#161d27;
  --field:#0f141c;
  --line:#303845;
  --line-strong:#4f5a6b;
  --text:#e6edf3;
  --muted:#9ba3af;
  --brand:#e6edf3;
  --brand-soft:#111826;
  --danger:#f2b8b5;
  --danger-bg:#2a1314;
  --danger-line:#6f2b2c;
  --success:#9be6b2;
  --success-bg:#102218;
  --success-line:#2f6943;
  --link:#b7c5db;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;
  background:
    radial-gradient(circle at top right, rgba(255,255,255,.05), transparent 42%),
    linear-gradient(135deg, var(--bg-a) 0%, var(--bg-b) 100%);
  color:var(--text);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
}

.card{
  width:min(440px,100%);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:18px;
  padding:26px;
  box-shadow:0 20px 48px rgba(0,0,0,.45);
}

.brand{
  height:78px;
  border:0;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
  background:transparent;
  overflow:hidden;
}

.brand.brand-fallback{
  border:1px dashed var(--line-strong);
  background:var(--brand-soft);
}

.brand-image{
  max-width:90%;
  max-height:56px;
  width:auto;
  height:auto;
  object-fit:contain;
  display:block;
}

.brand-mark{
  font-size:32px;
  font-weight:800;
  letter-spacing:.5px;
  color:var(--brand);
}

h1{ margin:0 0 6px; font-size:26px; }
p{ margin:0 0 20px; color:var(--muted); font-size:14px; line-height:1.55; }

label{
  display:block;
  font-size:13px;
  font-weight:600;
  margin-bottom:7px;
}

input,
select{
  width:100%;
  border:1px solid var(--line-strong);
  border-radius:10px;
  padding:10px 12px;
  font-size:14px;
  margin-bottom:18px;
  background:var(--field);
  color:var(--text);
}

input:focus,
select:focus{
  outline:2px solid #667284;
  outline-offset:1px;
}

.error,
.success{
  font-size:13px;
  border-radius:10px;
  padding:10px 12px;
  margin-bottom:16px;
}
.error{
  color:var(--danger);
  background:var(--danger-bg);
  border:1px solid var(--danger-line);
}
.success{
  color:var(--success);
  background:var(--success-bg);
  border:1px solid var(--success-line);
}

.feedback-toast{
  position:fixed;
  top:20px;
  right:20px;
  z-index:9999;
  min-width:min(320px, calc(100vw - 32px));
  max-width:min(420px, calc(100vw - 32px));
  padding:14px 16px;
  border-radius:14px;
  border:1px solid transparent;
  box-shadow:0 18px 42px rgba(0,0,0,.28);
  opacity:0;
  transform:translateY(-8px);
  transition:opacity .22s ease, transform .22s ease;
}
.feedback-toast.is-visible{
  opacity:1;
  transform:translateY(0);
}
.feedback-toast--ok{
  color:var(--success);
  background:var(--success-bg);
  border-color:var(--success-line);
}
.feedback-toast--error{
  color:var(--danger);
  background:var(--danger-bg);
  border-color:var(--danger-line);
}

.actions{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
  margin-top:10px;
}
.actions.single{ grid-template-columns:1fr; }

.btn{
  border:1px solid #6e7a8c;
  border-radius:10px;
  background:#243041;
  color:var(--text);
  font-size:14px;
  font-weight:700;
  padding:11px 12px;
  cursor:pointer;
  text-align:center;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
}
.btn:hover{ background:#2b3a4f; }

.btn.secondary{
  border-color:var(--line-strong);
  background:#1c2633;
  color:var(--text);
  text-decoration:none;
}

.links{
  margin-top:16px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
}

.links a,
.forgot-link a,
.support-link,
.toggle-password{
  color:var(--link);
  text-decoration:none;
}
.links a:hover,
.forgot-link a:hover,
.support-link:hover,
.toggle-password:hover{ text-decoration:underline; }

.password-field{ position:relative; margin-bottom:18px; }
.password-field input{ margin-bottom:0; padding-right:88px; }
.toggle-password{
  position:absolute;
  right:8px;
  top:50%;
  transform:translateY(-50%);
  border:0;
  background:transparent;
  font-size:12px;
  font-weight:700;
  cursor:pointer;
  padding:4px 6px;
}

.forgot-link{ margin:0 0 14px; font-size:13px; }

.login-options{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin:0 0 16px;
  flex-wrap:nowrap;
}
.login-options .forgot-link{ margin:0 0 0 auto; white-space:nowrap; }

.remember-option{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  font-weight:400;
  white-space:nowrap;
}
.remember-option input{ width:auto; margin:0; }

.support-link{ display:inline-flex; align-items:center; gap:6px; }
.wa-icon{ width:14px; height:14px; fill:#6ee7a8; flex-shrink:0; }

.channels{ display:grid; gap:12px; margin-bottom:16px; }

.channel-option,
.channel-option-button{
  border:1px solid var(--line-strong);
  border-radius:10px;
  padding:12px;
  background:#121a26;
  color:var(--text);
  display:flex;
  align-items:flex-start;
  gap:8px;
}
.channel-option strong,
.channel-option-button strong{
  display:block;
  font-size:14px;
  margin-bottom:2px;
}
.channel-option span,
.channel-option-button span{
  font-size:12px;
  color:var(--muted);
  white-space:normal;
  word-break:break-word;
}
a.channel-option{ text-decoration:none; }
a.channel-option:hover,
.channel-option-button:hover{ border-color:#7b8596; }

.channel-option-button{
  width:100%;
  margin:0;
  text-align:left;
  cursor:pointer;
  flex-direction:column;
  box-sizing:border-box;
  font:inherit;
  appearance:none;
}

.email-chip{
  font-size:13px;
  font-weight:600;
  color:#d3d8e0;
  background:#0f141d;
  border:1px solid var(--line);
  border-radius:10px;
  padding:8px 10px;
  margin-bottom:16px;
}

.hint{ margin-top:-10px; margin-bottom:16px; font-size:12px; color:var(--muted); }

.whatsapp-row{
  display:grid;
  grid-template-columns:150px 1fr;
  gap:8px;
  margin-bottom:18px;
}
.whatsapp-row select,
.whatsapp-row input{ margin-bottom:0; }

@media (max-width:480px){
  .whatsapp-row{ grid-template-columns:1fr; }
  .feedback-toast{
    left:16px;
    right:16px;
    top:16px;
    min-width:0;
    max-width:none;
  }
}