/* RESET BÁSICO */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f6f8;
  color: #222;
}

/* UTIL */
.hidden {
  display: none !important;
}

/* =========================
   LOGIN
========================= */

.login-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: #f5f6f8;
}

.login-card {
  background: white;
  padding: 32px;
  border-radius: 10px;
  width: 320px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  text-align: center;
}

.login-logo {
  max-width: 180px;
  margin-bottom: 20px;
}

.login-card input {
  display: block;
  width: 100%;
  margin: 10px 0;
  padding: 10px;
  font-size: 14px;
}

.login-card button {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  background: #0b1a2a;
  color: white;
  border: none;
  cursor: pointer;
  border-radius: 4px;
}

.login-card button:hover {
  background: #132c45;
}

/* =========================
   APP LAYOUT
========================= */

.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* SIDEBAR */
.sidebar {
  width: 220px;
  min-width: 220px;
  background: #0b1a2a;
  color: white;
  padding: 20px 15px;
}

.sidebar h2 {
  margin: 0 0 20px 0;
  font-size: 18px;
  letter-spacing: 1px;
}

.sidebar nav a {
  display: block;
  padding: 10px 0;
  color: white;
  text-decoration: none;
  cursor: pointer;
  font-size: 14px;
}

.sidebar nav a:hover {
  color: #ffb347;
}

/* MAIN */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: #f5f6f8;
  overflow: hidden;
}

/* TOPBAR */
.topbar {
  background: white;
  padding: 10px 15px;
  border-bottom: 1px solid #ddd;
  display: flex;
  gap: 10px;
}

.topbar button {
  padding: 6px 12px;
  border: 1px solid #ccc;
  background: white;
  cursor: pointer;
  border-radius: 4px;
  font-size: 13px;
}

.topbar button:hover {
  background: #eee;
}

/* CONTENT */
.content {
  padding: 20px;
  overflow: auto;
}

.content h1 {
  margin-top: 0;
}

/* =========================
   TABLES
========================= */

.table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

.table th {
  background: #0b1a2a;
  color: white;
  font-weight: normal;
}

.table th,
.table td {
  border: 1px solid #ccc;
  padding: 8px;
  text-align: left;
  font-size: 13px;
}

.table tr:nth-child(even) {
  background: #f9f9f9;
}