/* Make body take full height and use flexbox */
html,
body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh; /* always at least viewport height */
}

/* Main should expand to push footer down */
main {
  flex: 1;
  padding: 5px;
}

.home-main {
  min-height: 80vh; /* enough space to center vertically */
  display: flex;
  flex-direction: column;
  justify-content: center; /* vertical center */
  align-items: center; /* horizontal center */
  text-align: center;
}

header .logo span {
  color: #fff;
  font-size: 30px; /* increase here */
  padding: 5px 5px;
  /* 0033e7 */
}

header .logo strong {
  color: #fff; /* highlight "Solutions" in green #4CAF50 */
  font-size: 30px; /* increase here */
  padding: 5px 5px;
  /* yellow: FED719*/
}

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;

  background: linear-gradient(120deg, #0033e7, #86eaa7);
  padding: 12px 20px;
}

.logo img {
  height: 40px;
}

.nav-links {
  list-style: none;
  display: flex;
}

.nav-links li {
  margin-left: 20px;
}

.nav-links a {
  text-decoration: none;
  color: white;
  font-size: 16px;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #f0c040;
}

/* Hamburger */
.hamburger {
  display: none;
  font-size: 28px;
  color: white;
  cursor: pointer;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 60px;
    right: 0;
    background: #333;
    flex-direction: column;
    width: 200px;
    display: none;
  }

  .nav-links li {
    margin: 15px 0;
    text-align: center;
  }

  .hamburger {
    display: block;
  }

  .nav-links.active {
    display: flex;
  }
}

form label {
  display: block; /* each label on its own line */
  margin-bottom: 15px; /* space between rows */
  font-weight: bold; /* optional, makes label text stand out */
}

form input,
form select,
form textarea {
  display: block; /* stack under label */
  margin-top: 5px; /* little space below label text */
  width: 100%; /* make controls expand full width */
  max-width: 400px; /* prevent them from being too wide */
  padding: 8px;
}

/* a table wrapper of 700 width */
.table700-wrapper {
  max-width: 800px; /* make it wider than auto, but not full page */
  margin: 0;
}

.table-details th {
  background-color: #f4f4f4; /* light gray */
  font-weight: bold;
  width: 200px; /* optional fixed width for title col */
}

.table-details td {
  background-color: #fff; /* white */
}

#chart-container {
  height: 400px;
  margin: 0 auto;
  padding: 10px;
  max-width: 95%;
}

/* Student Card */
.student-card-container {
  display: flex;
  justify-content: center; /* horizontal center */
  align-items: center; /* vertical center */
  min-height: 400px; /* or any height of your container */
  position: relative;
}

.student-card {
  max-width: 500px;
  width: 100%;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  background: linear-gradient(135deg, #ffffff, #e6f0ff); /* Soft light color */
  padding: 0; /* remove padding here so gradient is full */
  margin: 30px auto;
  display: none;
  overflow: hidden; /* keeps corners rounded */
}

.card-header-strip {
  background-color: #1441e1; /* Blue header strip */
  color: #fff;
  font-size: 1em;
  font-weight: bold;
  padding: 8px 12px;
}

.card-content {
  padding: 20px;
  background: transparent; /* ✅ ensure gradient shows through */
}

.card-top {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.student-photo {
  width: 100px;
  height: 100px;
  background-color: #ddd;
  border-radius: 50%;
  margin-right: 20px;
}

.student-name-id {
  display: flex;
  flex-direction: column;
  flex: 1;
}

.student-name {
  font-size: 1.5em;
  font-weight: bold;
  text-align: right;
}

.student-id {
  font-size: 0.95em;
  text-align: right;
  color: #555;
  margin-top: 4px;
}

.student-info-row {
  display: flex;
  justify-content: space-between;
  font-size: 1em;
  color: #333;
  margin-top: 10px;
}

.student-info-row div span {
  font-weight: bold;
  margin-right: 5px;
}

/* Footer */
footer {
  text-align: center;
  padding: 15px;
  background: #1441e1;
  color: #ddd;
  margin-top: 40px;
}