/* =====================================================
   ML INTELLIGENCE — DESIGN SYSTEM
   Paleta: Azul + Amarelo + Preto + Branco
   ===================================================== */

:root {
  /* Cores principais */
  --blue-primary: #1e40af;
  --blue-dark: #1e3a8a;
  --blue-light: #dbeafe;
  --blue-sky: #bfdbfe;
  --yellow: #fbbf24;
  --yellow-hover: #f59e0b;
  --black: #0f172a;
  --gray: #475569;
  --gray-light: #94a3b8;
  --white: #ffffff;

  /* Aliases para o app */
  --bg-app: var(--blue-light);
  --bg-sidebar: var(--white);
  --bg-card: var(--white);
  --accent: var(--yellow);
  --accent-hover: var(--yellow-hover);
  --text: var(--black);
  --text-muted: var(--gray);
}

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

/* ===================== APP SHELL ===================== */
.app {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--white) 100%);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===================== HEADER ===================== */
.app-header {
  height: 60px;
  background: var(--white);
  border-bottom: 1px solid rgba(30, 64, 175, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.app-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue-primary);
  text-decoration: none;
  transition: opacity 0.2s;
}

.app-logo:hover { opacity: 0.8; }

.app-user {
  font-size: 0.85rem;
  color: var(--gray);
}

/* Clerk UserButton no header */
#clerk-user-button {
  display: inline-flex;
  align-items: center;
  margin-left: 0.5rem;
}

/* Clerk SignIn container */
#clerk-signin {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  max-width: 400px;
  margin: 4rem auto;
  min-height: 300px;
}

/* ===================== BODY ===================== */
.app-body {
  display: flex;
  flex: 1;
  min-height: calc(100vh - 60px);
}

/* ===================== SIDEBAR ===================== */
.app-sidebar {
  width: 240px;
  background: var(--white);
  border-right: 1px solid rgba(30, 64, 175, 0.1);
  padding: 1.5rem 0;
  flex-shrink: 0;
}

.app-sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.app-sidebar a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.15s;
  border-left: 3px solid transparent;
}

.app-sidebar a:hover {
  color: var(--blue-primary);
  background: var(--blue-light);
}

.app-sidebar a.active {
  color: var(--blue-primary);
  background: var(--blue-light);
  border-left-color: var(--yellow);
  font-weight: 600;
}

/* ===================== MAIN ===================== */
.app-main {
  flex: 1;
  padding: 2rem;
  overflow-y: auto;
  background: linear-gradient(180deg, rgba(219, 234, 254, 0.3) 0%, var(--white) 100%);
}

.app-main h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--black);
  margin-bottom: 0.5rem;
}

.app-main .subtitle {
  color: var(--gray);
  font-size: 1rem;
  margin-bottom: 2rem;
}

/* ===================== CARDS ===================== */
.card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid rgba(30, 64, 175, 0.08);
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.04);
  transition: all 0.2s;
}

.card:hover {
  box-shadow: 0 4px 16px rgba(30, 64, 175, 0.08);
}

.card-link {
  display: block;
  text-decoration: none;
  color: var(--text);
}

.card-link:hover {
  border-color: var(--yellow);
}

.card h3, .card strong {
  color: var(--blue-primary);
}

.card p {
  color: var(--gray);
}

/* ===================== GRID ===================== */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

/* ===================== TABLES ===================== */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th,
.table td {
  text-align: left;
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid rgba(30, 64, 175, 0.08);
}

.table th {
  color: var(--blue-primary);
  font-weight: 600;
}

.table td {
  color: var(--gray);
}

.table-wrap {
  overflow-x: auto;
}

/* ===================== BUTTONS ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn-primary {
  background: var(--yellow);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--yellow-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.btn-secondary {
  background: var(--blue-light);
  color: var(--blue-primary);
}

.btn-secondary:hover {
  background: var(--blue-sky);
}

/* ===================== FORMS ===================== */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--gray);
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid rgba(30, 64, 175, 0.2);
  background: var(--white);
  color: var(--black);
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* ===================== COMING SOON ===================== */
.coming-soon {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--gray);
}

.coming-soon h2 {
  font-size: 1.25rem;
  color: var(--black);
  margin-bottom: 0.75rem;
}

.coming-soon p {
  margin-bottom: 1rem;
  line-height: 1.6;
}

.feature-list {
  text-align: left;
  max-width: 400px;
  margin: 1.5rem auto 0;
  list-style: none;
}

.feature-list li {
  margin: 0.75rem 0;
  color: var(--gray);
  padding-left: 1.5rem;
  position: relative;
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 8px;
  height: 8px;
  background: var(--yellow);
  border-radius: 50%;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
  .app-sidebar {
    display: none;
  }

  .app-main {
    padding: 1.5rem;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}