:root {
  --bg-main: #121214;
  --bg-card: #202024;
  --bg-input: #121214;
  --border-color: rgba(255, 255, 255, 0.05);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --text-main: #E1E1E6;
  --text-muted: #A8A8B3;
  --primary: #8257E5; /* Roxo */
  --primary-hover: #9466FF;
  --accent-green: #04D361;
  --accent-red: #F75A68;
  --glow-primary: rgba(130, 87, 229, 0.4);
}

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

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* =========================================
   DASHBOARD LAYOUT (App)
   ========================================= */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
}

.sidebar {
  width: 260px;
  background-color: var(--bg-main);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem;
  flex-shrink: 0;
}

.sidebar .logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.sidebar .logo::before {
  content: '✦';
  color: var(--primary);
  font-size: 1.2rem;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.sidebar nav a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  color: var(--text-main);
  background-color: var(--bg-card);
}

.sidebar nav a.logout {
  color: var(--accent-red);
  margin-top: auto;
}

.sidebar nav a.logout:hover {
  background-color: rgba(247, 90, 104, 0.1);
}

.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-main);
  overflow-y: auto;
  height: 100vh;
}

.topbar {
  padding: 1.5rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-main);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-pills {
  display: flex;
  background: var(--bg-card);
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid var(--border-color);
}

.topbar-pills span {
  padding: 0.5rem 1.5rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.topbar-pills span.active {
  background: rgba(255,255,255,0.05);
  color: var(--text-main);
  border: 1px solid var(--border-color-hover);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.topbar-user img, .topbar-user .avatar-placeholder {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  color: var(--primary);
  font-weight: bold;
}

.content-area {
  padding: 2rem 3rem;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
}

/* =========================================
   CARDS & CONTAINERS
   ========================================= */
.container-auth {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 2rem;
  background-color: var(--bg-main);
}

.card {
  background-color: var(--bg-card);
  border-radius: 16px;
  padding: 2rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.card h2 {
  margin-bottom: 1.5rem;
  color: var(--text-main);
  font-size: 1.2rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* =========================================
   FORMS & INPUTS (Encovados)
   ========================================= */
.form-group {
  position: relative;
  margin-bottom: 2rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--text-main);
  font-size: 0.95rem;
  font-weight: 500;
}

.form-group input:not([type="radio"]):not([type="checkbox"]),
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  color: var(--text-main);
  font-size: 0.95rem;
  transition: all 0.2s ease;
  outline: none;
}

.form-group input:not([type="radio"]):not([type="checkbox"]):focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), 0 0 15px var(--glow-primary);
}

/* =========================================
   BOTÕES (Pills e Gradientes)
   ========================================= */
.btn {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 0.8rem 1.5rem;
  border-radius: 999px; /* Formato Pílula */
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
}

.btn:hover {
  background-color: rgba(255,255,255,0.05);
  border-color: var(--border-color-hover);
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  border: none;
}
.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 0 15px var(--glow-primary);
  transform: translateY(-1px);
}

/* Botão Estilo "Perguntar ao Gemini" */
.btn-gradient {
  background: linear-gradient(90deg, #F59E0B, #8B5CF6);
  color: #fff;
  border: none;
  position: relative;
  overflow: hidden;
}
.btn-gradient::before {
  content: '✦ ';
}
.btn-gradient:hover {
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
  transform: translateY(-1px);
}

/* =========================================
   RÁDIO & CHECKBOX
   ========================================= */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  cursor: pointer;
  padding: 0.8rem 1rem;
  border-radius: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
  font-size: 0.95rem;
}

.radio-label:hover {
  border-color: var(--border-color-hover);
}

.radio-label input[type="radio"],
.radio-label input[type="checkbox"] {
  accent-color: var(--primary);
  width: 1.2rem;
  height: 1.2rem;
  cursor: pointer;
}

/* =========================================
   UTILIDADES & EXTRAS
   ========================================= */
.text-center { text-align: center; }
.mt-2 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 1rem; }

.auth-link { text-align: center; margin-top: 1.5rem; color: var(--text-muted); font-size: 0.9rem;}
.auth-link a { color: var(--primary); text-decoration: none; font-weight: 500;}
.auth-link a:hover { text-shadow: 0 0 8px var(--glow-primary); }

.alert {
  padding: 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  display: none;
}
.alert.error { background: rgba(247, 90, 104, 0.1); color: var(--accent-red); border: 1px solid rgba(247, 90, 104, 0.2); display: block;}
.alert.success { background: rgba(4, 211, 97, 0.1); color: var(--accent-green); border: 1px solid rgba(4, 211, 97, 0.2); display: block;}

.spinner {
  width: 30px; height: 30px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 3rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsividade Básica */
@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .sidebar nav {
    flex-direction: row;
    flex: none;
  }
  .sidebar .logo {
    margin-bottom: 0;
  }
  .topbar {
    padding: 1rem;
  }
  .content-area {
    padding: 1rem;
  }
}