/* ------------------------------
   GLOBAL RESET & BASE
------------------------------ */

* {
  box-sizing: border-box;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  margin: 0;
  background-color: #f0f4ff;
  color: #333;
  line-height: 1.6;
}

.container {
  padding: 20px;
  max-width: 1300px;
  margin: 0 auto;
}

/* ------------------------------
   NAVIGATION
------------------------------ */

.navbar {
  background-color: #1e3a8a;
  padding: 12px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
}

.navbar a {
  color: #fff;
  text-decoration: none;
  margin: 8px 15px;
  font-weight: 500;
}

.navbar a:hover {
  text-decoration: underline;
}

/* ------------------------------
   FORM CONTAINER
------------------------------ */

.form-box {
  background: #fff;
  padding: 25px;
  margin-top: 30px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.form-box h2,
.form-box h3 {
  color: #1e3a8a;
  margin-bottom: 20px;
}

.form-box label {
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
  color: #1e3a8a;
}

.form-box input,
.form-box select,
.form-box textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 18px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 15px;
  background-color: #f9fbff;
}

.form-box input:focus,
.form-box select:focus,
.form-box textarea:focus {
  border-color: #1e3a8a;
  outline: none;
  box-shadow: 0 0 5px rgba(30,58,138,0.3);
}

.form-box button {
  width: 100%;
  padding: 12px;
  background-color: #1e3a8a;
  color: #fff;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
  font-weight: 600;
  transition: 0.2s ease;
}

.form-box button:hover {
  background-color: #274bb5;
}

/* ------------------------------
   FORM GRID LAYOUT
------------------------------ */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.form-grid label {
  margin-top: 10px;
}

/* ------------------------------
   BUTTON GROUPS
------------------------------ */

.button-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
}

.button-group a {
  width: 250px;
}

.button-group button.logout {
  background-color: #991b1b;
}

.button-group button.logout:hover {
  background-color: #b91c1c;
}

/* ------------------------------
   TABLES
------------------------------ */

.table-box {
  margin-top: 30px;
  overflow-x: auto;
  width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  table-layout: fixed;
  min-width: 900px;
}

table th,
table td {
  padding: 12px;
  border: 1px solid #ccc;
  text-align: left;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

table th {
  background-color: #1e3a8a;
  color: #fff;
}

table tr:nth-child(even) {
  background-color: #f4f8ff;
}

/* ------------------------------
   MESSAGES
------------------------------ */

.success {
  background: #d1fae5;
  color: #065f46;
  padding: 12px;
  border-left: 5px solid #10b981;
  margin-bottom: 15px;
  border-radius: 5px;
}

.error {
  background: #fee2e2;
  color: #991b1b;
  padding: 12px;
  border-left: 5px solid #ef4444;
  margin-bottom: 15px;
  border-radius: 5px;
}

/* ------------------------------
   FOOTER
------------------------------ */

.footer {
  background-color: #1e3a8a;
  color: #fff;
  text-align: center;
  padding: 12px;
  margin-top: 40px;
}

/* ------------------------------
   RESPONSIVE DESIGN
------------------------------ */

@media (max-width: 600px) {
  .navbar {
    flex-direction: column;
  }

  .navbar a {
    margin: 10px 0;
  }

  .form-box {
    padding: 20px;
  }

  .button-group a {
    width: 100%;
  }

  table th,
  table td {
    font-size: 14px;
    padding: 10px;
  }
}