:root {
  --primary-blue: #1e3a8a;
  --secondary-blue: #3b82f6;
  --light-blue: #dbeafe;
  --gray: #6b7280;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  background-color: var(--light-blue);
  color: var(--gray);
  line-height: 1.6;
}

/* Login/Register Page */
.login-container {
  height: 140vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.login-card {
  background: var(--white);
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

.login-card h2 {
  color: var(--primary-blue);
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--light-blue);
  border-radius: 4px;
  font-size: 1rem;
}

.btn {
  background: var(--secondary-blue);
  color: var(--white);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
  font-size: 1rem;
}

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

/* Dashboard */
.dashboard {
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.header {
  color: var(--primary-blue);
  margin-bottom: 2rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.stat-card h3 {
  color: var(--primary-blue);
  margin-bottom: 0.5rem;
}

.stat-card p {
  font-size: 1.5rem;
  color: var(--secondary-blue);
}

/* Add Record Form */
.add-record {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

select,
textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--light-blue);
  border-radius: 4px;
  font-size: 1rem;
}

textarea {
  grid-column: 1 / -1;
  min-height: 100px;
}

/* History */
.history {
  background: var(--white);
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

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

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--light-blue);
}

th {
  background: var(--primary-blue);
  color: var(--white);
}

a {
  color: var(--secondary-blue);
  text-decoration: none;
}

a:hover {
  color: var(--primary-blue);
}
.alert-error {
  padding: 10px;
  background-color: #f44336;
  color: white;
}
.alert-success {
  padding: 10px;
  background-color: rgb(1, 162, 63);
  color: white;
}

.closebtn {
  margin-left: 15px;
  color: white;
  font-weight: bold;
  float: right;
  font-size: 22px;
  line-height: 20px;
  cursor: pointer;
  transition: 0.3s;
}

.closebtn:hover {
  color: black;
}
.reply-form {
  display: none;
  margin-top: 10px;
  background: #f1f1f1;
  padding: 15px;
}
.page-btn {
  padding: 5px 10px;
  margin: 2px;
  border: 1px solid #ccc;
  background: #f9f9f9;
  cursor: pointer;
}
.page-btn.active {
  background: #007bff;
  color: white;
}