* {
  box-sizing: border-box;
}

:root {
  --wa-green: #277ce7;
  --wa-green-dark: #1b5fb3;
  --bg-main: #0B0F19;
  --card-bg: #111827;
  --input-bg: #1F2937;
  --border: #263247;
  --border-input: #334155;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
}

body.auth-body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  color: var(--text-main);
}

.auth-card {
  width: 100%;
  max-width: 430px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 42px 40px;
  box-shadow: 0 24px 70px rgba(0,0,0,0.45);
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 34px;
}

.auth-logo svg {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
}

.auth-logo h1 {
  margin: 0;
  color: var(--wa-green);
  font-size: 23px;
  font-weight: 800;
}

.alert {
  padding: 13px 15px;
  border-radius: 10px;
  margin-bottom: 18px;
  font-size: 14px;
}

.alert-error {
  background: rgba(220, 38, 38, 0.12);
  border: 1px solid rgba(220, 38, 38, 0.35);
  color: #FCA5A5;
}

.form-group {
  margin-bottom: 26px;
}

.form-group label {
  display: block;
  margin-bottom: 7px;
  font-size: 14px;
  color: #CBD5E1;
}

.input-field {
  width: 100%;
  min-height: 35px;
  border-radius: 7px;
  border: 1px solid var(--border-input);
  background: var(--input-bg);
  color: var(--text-main);
  padding: 8px 12px;
  font-size: 15px;
  outline: none;
}

.input-field::placeholder {
  color: #64748B;
}

.input-field:focus {
  border-color: var(--wa-green);
  box-shadow: 0 0 0 3px rgba(39, 124, 231, 0.18);
}

.btn-send {
  width: 100%;
  min-height: 44px;
  border: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--wa-green), #3897f8);
  color: #ffffff;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(39, 124, 231, 0.25);
}

.btn-send:hover {
  background: linear-gradient(135deg, var(--wa-green-dark), #2170e8);
}

.auth-hint {
  margin: 20px 0 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* Ojo de contraseña */
.d-none {
  display: none !important;
}

.password-wrapper {
  position: relative;
}

.password-input {
  padding-right: 46px;
}

.toggle-password {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: #94A3B8;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.toggle-password svg {
  width: 20px;
  height: 20px;
}

.toggle-password:hover {
  color: var(--wa-green);
  background: rgba(39, 124, 231, 0.08);
}

@media (max-width: 480px) {
  body.auth-body {
    padding: 16px;
  }

  .auth-card {
    padding: 32px 22px;
  }

  .auth-logo {
    flex-direction: column;
    gap: 10px;
  }

  .auth-logo h1 {
    font-size: 21px;
    text-align: center;
  }
}