/* ============================================================
   BRNAds — Estilos da página de Login
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #050505;
  --purple:      #7C3AED;
  --purple-l:    #A855F7;
  --blue:        #2563EB;
  --blue-l:      #60A5FA;
  --gradient:    linear-gradient(135deg, #7C3AED 0%, #2563EB 100%);
  --gradient-t:  linear-gradient(135deg, #A855F7, #60A5FA);
  --text:        #FFFFFF;
  --text-s:      #E5E7EB;
  --text-m:      #6B7280;
  --border:      rgba(255,255,255,0.08);
  --card-bg:     rgba(20,20,20,0.8);
  --input-bg:    rgba(255,255,255,0.04);
  --input-bg-f:  rgba(124,58,237,0.08);
  --glow:        rgba(124,58,237,0.3);
  --font-h:      'Space Grotesk', sans-serif;
  --font-b:      'Inter', sans-serif;
  --trans:       .3s cubic-bezier(.4,0,.2,1);
}

html, body {
  height: 100%;
  font-family: var(--font-b);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

.login-body { overflow: hidden; }

/* ============================================================
   BACKGROUND com orbs animados
   ============================================================ */
.login-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.login-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,.6) 0%, transparent 75%);
}

.login-bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orbFloat 8s ease-in-out infinite;
}

.login-bg-orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(124,58,237,.25) 0%, transparent 70%);
  top: -150px; left: -100px;
  animation-duration: 9s;
}

.login-bg-orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,.2) 0%, transparent 70%);
  bottom: -100px; right: -80px;
  animation-duration: 7s;
  animation-delay: -3s;
}

.login-bg-orb--3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, rgba(168,85,247,.15) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  animation-duration: 11s;
  animation-delay: -5s;
}

/* ============================================================
   LAYOUT WRAPPER
   ============================================================ */
.login-wrapper {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 100vh;
  max-height: 100vh;
}

/* ============================================================
   LADO ESQUERDO — Branding
   ============================================================ */
.login-left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 48px 56px;
  background: rgba(10,10,10,.4);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.login-logo {
  font-family: var(--font-h);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -.03em;
  flex-shrink: 0;
}

.logo-accent {
  background: var(--gradient-t);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-left-content { padding: 60px 0 40px; }

.login-left-content h2 {
  font-family: var(--font-h);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.gradient-text {
  background: var(--gradient-t);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-left-content > p {
  color: var(--text-m);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* Features */
.login-features {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.login-feature {
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.login-feature-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--purple-l);
  flex-shrink: 0;
  transition: var(--trans);
}

.login-feature:hover .login-feature-icon {
  background: var(--gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 16px var(--glow);
}

.login-feature div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.login-feature strong {
  font-weight: 600;
  font-size: .95rem;
  color: var(--text-s);
}

.login-feature span {
  font-size: .82rem;
  color: var(--text-m);
}

/* Stats */
.login-left-footer { flex-shrink: 0; }

.login-stats {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 28px;
}

.login-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.login-stat strong {
  font-family: var(--font-h);
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-t);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-stat span {
  font-size: .78rem;
  color: var(--text-m);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
}

.login-stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ============================================================
   LADO DIREITO — Formulário
   ============================================================ */
.login-right {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 48px;
  overflow-y: auto;
}

.login-card {
  width: 100%;
  max-width: 440px;
}

/* Header do card */
.login-card-header {
  text-align: center;
  margin-bottom: 36px;
}

.login-card-icon {
  width: 72px; height: 72px;
  border-radius: 20px;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--purple-l);
  margin: 0 auto 20px;
}

.login-card-header h1 {
  font-family: var(--font-h);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 10px;
  letter-spacing: -.02em;
}

.login-card-header p {
  color: var(--text-m);
  font-size: .9rem;
}

/* Alert de erro */
.login-alert {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 10px;
  font-size: .88rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.login-alert--error {
  background: rgba(239,68,68,.1);
  border: 1px solid rgba(239,68,68,.25);
  color: #FCA5A5;
}

.login-alert--success {
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.25);
  color: #86EFAC;
}

/* Form */
.login-form { display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-label {
  font-size: .82rem;
  font-weight: 600;
  color: var(--text-m);
  display: flex;
  align-items: center;
  gap: 6px;
  text-transform: uppercase;
  letter-spacing: .8px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: .95rem;
  font-family: var(--font-b);
  transition: var(--trans);
  outline: none;
}

.form-input::placeholder { color: rgba(255,255,255,.22); }

.form-input:focus {
  background: var(--input-bg-f);
  border-color: rgba(124,58,237,.5);
  box-shadow: 0 0 0 3px rgba(124,58,237,.1);
}

/* Password wrap */
.input-password-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-password-wrap .form-input { padding-right: 52px; }

.input-password-toggle {
  position: absolute;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-m);
  cursor: pointer;
  padding: 4px;
  font-size: .9rem;
  transition: color var(--trans);
}

.input-password-toggle:hover { color: var(--purple-l); }

/* Opções do form */
.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: -4px;
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: .86rem;
  color: var(--text-m);
  user-select: none;
}

.form-checkbox input { display: none; }

.checkbox-custom {
  width: 18px; height: 18px;
  border: 1px solid var(--border);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--trans);
  flex-shrink: 0;
}

.form-checkbox input:checked + .checkbox-custom {
  background: var(--gradient);
  border-color: transparent;
}

.form-checkbox input:checked + .checkbox-custom::after {
  content: '✓';
  font-size: .7rem;
  color: #fff;
  font-weight: 700;
}

.form-link {
  font-size: .84rem;
  color: var(--purple-l);
  text-decoration: none;
  transition: color var(--trans);
}

.form-link:hover { color: var(--text); }

/* Botão login */
.btn-login {
  width: 100%;
  padding: 16px;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  font-family: var(--font-b);
  cursor: pointer;
  transition: var(--trans);
  box-shadow: 0 4px 24px var(--glow);
  margin-top: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-login:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--glow);
}

.btn-login:active { transform: translateY(0); }
.btn-login:disabled { opacity: .7; cursor: not-allowed; }

.btn-login-text,
.btn-login-loading {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Divider */
.login-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0;
  color: var(--text-m);
  font-size: .82rem;
}

.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Criar conta */
.login-register { text-align: center; margin-bottom: 20px; }

.login-register p {
  font-size: .85rem;
  color: var(--text-m);
  margin-bottom: 12px;
}

.btn-register {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 13px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-s);
  font-size: .9rem;
  font-weight: 600;
  font-family: var(--font-b);
  text-decoration: none;
  justify-content: center;
  transition: var(--trans);
}

.btn-register:hover {
  border-color: rgba(124,58,237,.35);
  color: var(--purple-l);
  background: rgba(124,58,237,.06);
}

/* Voltar */
.login-back { text-align: center; }

.login-back-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .82rem;
  color: var(--text-m);
  text-decoration: none;
  transition: color var(--trans);
}

.login-back-link:hover { color: var(--purple-l); }

/* ============================================================
   ANIMAÇÕES
   ============================================================ */
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(20px, -15px) scale(1.03); }
  66%       { transform: translate(-15px, 10px) scale(.97); }
}

/* ============================================================
   RESPONSIVO
   ============================================================ */
@media (max-width: 900px) {
  .login-body { overflow: auto; }
  .login-wrapper { grid-template-columns: 1fr; height: auto; min-height: 100vh; }
  .login-left { display: none; }
  .login-right { padding: 40px 24px; min-height: 100vh; }
  .login-card { max-width: 100%; }
}

@media (max-width: 480px) {
  .login-right { padding: 28px 20px; }
  .login-card-header h1 { font-size: 1.5rem; }
}