/* style.css */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, blinkmacsystemfont, "segoe ui", roboto, helvetica, arial, sans-serif;
    background-color: #f0f2f5;
    color: #333;
    line-height: 1.5;
    padding: 15px;
    font-size: 16px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.login-container {
    max-width: 450px;
    margin: 10vh auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 25px;
    border-bottom: 2px solid #eee;
    padding-bottom: 15px;
    gap: 15px;
}

h1, h2, h3 {
    color: #1a1a1a;
    text-transform: uppercase;
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    border: none;
    transition: 0.3s;
    text-align: center;
    text-transform: uppercase;
}

.btn-primary { background: #0056b3; color: #fff; }
.btn-success { background: #28a745; color: #fff; }
.btn-danger { background: #dc3545; color: #fff; }
.btn-block { display: block; width: 100%; margin-top: 10px; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 768px) {
    .form-grid { grid-template-columns: 1fr 1fr 1fr; }
    .span-2 { grid-column: span 2; }
    .span-3 { grid-column: span 3; }
}

.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 8px; font-weight: bold; font-size: 14px; color: #555; text-transform: uppercase; }

.form-group input, .form-group select, .form-group textarea {
    width: 100%; /* Idinagdag para sumunod sa column size at hindi lumagpas */
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 16px;
    text-transform: uppercase;
}

/* Exception para sa password input para hindi mag-uppercase */
.form-group input[type="password"] {
    text-transform: none;
}

.req { color: #d9534f; }

.table-wrapper { overflow-x: auto; margin-top: 20px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 15px; text-align: left; border-bottom: 1px solid #eee; font-size: 16px; text-transform: uppercase; }
th { background: #f8f9fa; color: #444; font-weight: bold; }

.alert-error {
    color: #dc3545;
    background: #f8d7da;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    border: 1px solid #f5c6cb;
    text-align: center;
    font-weight: bold;
    text-transform: uppercase;
}