@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg-app: #f4f6f8;
  --bg-surface: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --accent-green: #16a34a;
  --accent-green-light: #dcfce7;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --sidebar-w: 260px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  display: flex;
  min-height: 100vh;
}

/* ── LOGIN PAGE ── */
.login-wrap {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-app);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  padding: 48px 40px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
  border: 1px solid var(--border);
}

.login-header {
  text-align: center;
  margin-bottom: 32px;
}

.login-header h1 {
  font-size: 24px;
  font-weight: 900;
  color: #16a34a; /* Tailwind green-600 */
  letter-spacing: -0.5px;
}

.login-header p {
  font-size: 10px;
  color: #9ca3af; /* Tailwind gray-400 */
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.5px; /* tracking-tighter */
  margin-top: 4px;
}

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}
.form-group input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.form-group input:focus {
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px var(--accent-green-light);
}

.btn-primary {
  width: 100%;
  background: var(--accent-green);
  color: #fff;
  border: none;
  padding: 12px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-primary:hover { background: #15803d; }


/* ── DASHBOARD LAYOUT ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
}

.brand {
  padding: 30px 24px;
}
.brand h1 {
  font-size: 24px;
  font-weight: 900;
  color: #16a34a; /* Tailwind green-600 */
  letter-spacing: -0.5px;
}
.brand p {
  font-size: 10px;
  color: #9ca3af; /* Tailwind gray-400 */
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.5px; /* tracking-tighter */
  margin-top: 2px;
}

.nav-menu {
  list-style: none;
  padding: 0 16px;
  margin-top: 10px;
}
.nav-item a {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  border-radius: 8px;
  margin-bottom: 4px;
  transition: all 0.2s;
}
.nav-item a:hover {
  background: var(--bg-app);
  color: var(--text-main);
}
.nav-item.active a {
  background: var(--accent-green-light);
  color: var(--accent-green);
  border-left: 4px solid var(--accent-green);
  border-radius: 4px 8px 8px 4px;
}
.nav-icon { margin-right: 12px; font-size: 18px; }

.main-content {
  flex: 1;
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── TOPBAR ── */
.topbar {
  height: 70px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}
.search-bar {
  background: var(--bg-app);
  border-radius: 6px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  width: 400px;
}
.search-bar input {
  border: none;
  background: transparent;
  width: 100%;
  outline: none;
  font-size: 13px;
  margin-left: 8px;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.icon-btn {
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  text-decoration: none;
}
.avatar {
  width: 32px;
  height: 32px;
  background: var(--text-main);
  border-radius: 50%;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

/* ── HUB CONTENT ── */
.page-container {
  padding: 40px 48px;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}
.page-title h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.page-title p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 4px;
}
.btn-outline {
  border: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.btn-outline:hover { background: var(--bg-app); }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-decoration: none;
  color: inherit;
  display: block;
  transition: box-shadow 0.2s, border-color 0.2s;
  position: relative;
}
.card:hover {
  box-shadow: 0 10px 25px rgba(0,0,0,0.05);
  border-color: #cbd5e1;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
}
.card-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.card-icon {
  background: var(--bg-app);
  padding: 8px;
  border-radius: 8px;
  font-size: 16px;
}
.card-icon.danger { background: var(--danger-light); color: var(--danger); }
.card-icon.success { background: var(--accent-green-light); color: var(--accent-green); }

.card-value {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.card-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}
.badge-trend {
  background: var(--accent-green-light);
  color: var(--accent-green);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 11px;
}
.badge-trend.negative {
  background: var(--danger-light);
  color: var(--danger);
}

/* ── RESPONSIVIDAD ── */
@media (max-width: 992px) {
  :root { --sidebar-w: 0px; }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 1000;
    width: 260px;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .main-content { margin-left: 0; }
  .topbar { padding: 0 16px; }
  .mobile-menu-btn { display: block !important; }
  .search-bar { display: none; }
  .page-container { padding: 24px 16px; }
  .grid-cards { grid-template-columns: 1fr; }
  .admin-panel { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .login-card { padding: 32px 20px; border-radius: 0; border: none; box-shadow: none; }
  .page-header { flex-direction: column; gap: 16px; }
}