/* Login Gestão + Cobranças — padrão visual 2026 (navy / teal / Poppins) */
:root {
  --navy: #002f4b;
  --navy-100: #003d60;
  --navy-200: #001a2e;
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --teal-light: #14b8a6;
  --teal-soft: #ccfbf1;
  --bg: #f5f7fa;
  --white: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --error: #ef4444;
  --success: #0d9488;
  --radius: 8px;
  --radius-lg: 12px;
  --control-height: 40px;
  --shadow-lg: 0 20px 50px rgb(15 23 42 / 0.22);
  --font: "Poppins", Inter, system-ui, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body.login-auth {
  font-family: var(--font);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px 72px;
  position: relative;
  overflow-x: hidden;
  background: var(--navy-200);
}

#tsparticles,
.login-mesh {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.login-mesh {
  background:
    radial-gradient(900px 480px at 12% -8%, rgba(13, 148, 136, 0.38), transparent 55%),
    radial-gradient(720px 420px at 108% 12%, rgba(20, 184, 166, 0.18), transparent 50%),
    radial-gradient(600px 380px at 50% 110%, rgba(0, 47, 75, 0.9), transparent 55%),
    linear-gradient(160deg, #001525 0%, var(--navy) 48%, #00324e 100%);
  animation: meshShift 18s ease-in-out infinite;
}

.login-mesh::before,
.login-mesh::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.login-mesh::before {
  width: 380px;
  height: 380px;
  top: -80px;
  right: -60px;
  background: radial-gradient(circle, rgba(20, 184, 166, 0.28), transparent 68%);
  animation: orbA 16s ease-in-out infinite;
}

.login-mesh::after {
  width: 320px;
  height: 320px;
  bottom: 6%;
  left: -70px;
  background: radial-gradient(circle, rgba(13, 148, 136, 0.22), transparent 70%);
  animation: orbB 20s ease-in-out infinite;
}

@keyframes meshShift {
  0%, 100% { filter: hue-rotate(0deg) saturate(1); }
  50% { filter: hue-rotate(12deg) saturate(1.12); }
}

@keyframes orbA {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-28px, 36px) scale(1.08); }
}

@keyframes orbB {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -24px) scale(1.12); }
}

.login-card {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 400px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem 1.6rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  animation: cardIn 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(28px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-brand {
  text-align: center;
  margin-bottom: 1.5rem;
}

.login-brand img {
  width: min(260px, 78%);
  height: auto;
  max-height: 110px;
  object-fit: contain;
  margin: 0 auto 0.65rem;
  display: block;
}

.login-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.login-auth .form-group {
  margin-bottom: 1.1rem;
}

.login-auth .form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.4rem;
}

.input-wrap {
  position: relative;
}

.input-wrap i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.92rem;
  pointer-events: none;
  transition: color 0.2s;
}

.login-auth .form-group input {
  width: 100%;
  min-height: var(--control-height);
  padding: 8px 12px 8px 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: 500 0.9rem var(--font);
  color: var(--text);
  background: #fff;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.login-auth .form-group input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(13, 148, 136, 0.16);
}

.login-auth .form-group:focus-within .input-wrap i,
.login-auth .form-group input:not(:placeholder-shown) ~ i {
  color: var(--teal);
}

.login-btn {
  position: relative;
  overflow: hidden;
  width: 100%;
  min-height: var(--control-height);
  margin-top: 0.35rem;
  border: none;
  border-radius: var(--radius);
  background: var(--teal);
  color: #fff;
  font: 700 0.9rem var(--font);
  letter-spacing: 0.02em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: background 0.2s, transform 0.15s;
}

.login-btn:hover { background: var(--teal-dark); }
.login-btn:active { transform: scale(0.97); }
.login-btn:focus-visible { outline: 2px solid var(--teal-light); outline-offset: 2px; }

.login-btn .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transform: scale(0);
  animation: rippleOut 0.65s ease-out forwards;
  pointer-events: none;
}

@keyframes rippleOut {
  to { transform: scale(14); opacity: 0; }
}

.login-btn.is-loading { pointer-events: none; background: var(--teal-dark); }
.login-btn.is-success { background: #059669; }

.login-btn .spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.login-btn.is-loading .spinner { display: inline-block; }
.login-btn.is-loading .btn-icon { display: none; }

@keyframes spin { to { transform: rotate(360deg); } }

.msg {
  display: none;
  margin-top: 0.9rem;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
  text-align: center;
}

.msg[hidden] { display: none !important; }

.msg.error {
  display: block;
  color: var(--error);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.22);
  animation: shake 0.45s ease;
}

.msg.success {
  display: block;
  color: var(--teal-dark);
  background: var(--teal-soft);
  border: 1px solid rgba(13, 148, 136, 0.25);
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.login-card.is-error {
  animation: shake 0.45s ease;
}

.back-link {
  position: fixed;
  top: 18px;
  left: 18px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  transition: background 0.2s;
}

.back-link:hover { background: rgba(13, 148, 136, 0.35); color: #fff; }

.login-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  padding: 12px 16px;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.82);
}

.login-footer a { color: #fff; font-weight: 500; }

@media (max-width: 480px) {
  .login-card { padding: 1.5rem 1.15rem 1.25rem; }
  .back-link { top: 10px; left: 10px; padding: 7px 10px; font-size: 0.75rem; }
}

@media (prefers-reduced-motion: reduce) {
  .login-mesh,
  .login-mesh::before,
  .login-mesh::after,
  .login-card,
  .msg.error,
  .login-card.is-error { animation: none; }
  .login-btn .ripple { display: none; }
}