* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ---------- Body & Headings ---------- */
body {
    font-family: Arial, Helvetica, sans-serif;
    background-color: #eef7f6;
    color: #2d3748;
    line-height: 1.5;
    text-align: center;
}

h1 {
    font-size: 32px;
    color: #1f6f6b;
    margin-bottom: 10px;
}

h2 {
    font-size: 28px;
    color: #2f9e99;
    margin-bottom: 10px;
}

h3 {
    font-size: 22px;
    color: #1f6f6b;
    margin-bottom: 10px;
}

p,
li {
    font-size: 18px;
    margin-bottom: 8px;
}

.page-section p {
margin-bottom: 20px;
line-height: 1.8;
}

/* ---------- Links ---------- */
a {
    color: #2f9e99;
    text-decoration: none;
    padding: 5px;
    border-radius: 4px;
}

a:hover {
    background-color: #dff1ef;
    color: #1f6f6b;
}

/* ---------- Layout ---------- */
header {
    background: white;
    padding: 15px 30px;
    border-bottom: 1px solid #d9e2e1;
}

nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

nav a {
    font-size: 18px;
    padding: 8px 14px;
    border-radius: 8px;
}

nav a:hover {
    background-color: #e3f3f2;
}

main {
    max-width: 1000px;
    margin: 30px auto;
    padding: 0 20px;
}

section {
    margin-bottom: 30px;
}

nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
    list-style: none;
    padding-left: 0;
    margin: 8px 0 0 0;
}

nav ul li {
    margin: 0;
}


/* ---------- Messages ---------- */
.error-box {
    background: #fdeaea;
    color: #9b2c2c;
    border: 1px solid #f5c6cb;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.success-box {
    background: #e6f6f2;
    color: #065f46;
    border: 1px solid #b2e5dc;
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
}

/* ---------- Buttons ---------- */
.btn,
.dash-btn {
    display: inline-block;
    padding: 16px 28px;
    font-size: 18px;
    font-weight: 600;
    color: white;
    background-color: #2f9e99;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.12);
}

.btn:hover,
.dash-btn:hover {
    background-color: #238b86;
    transform: translateY(-2px);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.15);
}

.btn:active,
.dash-btn:active {
    transform: translateY(0);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.12);
}

.btn-cancel {
    background-color: #ef5350;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    display: inline-block;
}

/* ---------- Forms ---------- */
form {
    background: white;
    padding: 28px;
    border-radius: 12px;
    border: 1px solid #d9e2e1;
    max-width: 500px;
    margin: 0 auto;
}

label {
    font-weight: 600;
    margin-bottom: 6px;
    display: block;
    color: #1f6f6b;
}

input,
select,
textarea {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 18px;
    border: 1px solid #cbd5d4;
    border-radius: 8px;
    font-size: 16px;
    background-color: #f9fdfc;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #2f9e99;
    box-shadow: 0 0 0 3px rgba(47, 158, 153, 0.15);
}

form button,
form input[type="submit"] {
    width: 100%;
    margin-top: 10px;
    padding: 14px 0;
    font-size: 18px;
    font-weight: 600;
    color: white;
    background-color: #2f9e99;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.15);
}

table form {
    background: none;
    padding: 0;
    margin: 0;
    border: none;
    max-width: none;
    display: inline;
}

/* ---------- Search ---------- */
.search-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    max-width: 400px;
    margin: 0 auto 20px auto;
}

/* ---------- Tables ---------- */
table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #d9e2e1;
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid #edf2f1;
    text-align: left;
}

th {
    background: #e6f6f2;
    color: #1f6f6b;
    font-weight: bold;
}

th:last-child,
td:last-child {
    width: 1%;
    white-space: nowrap;
    text-align: center;
}

/* ---------- Page Description ---------- */
.page-description {
    max-width: 600px;
    margin: 0 auto 20px auto;
    font-size: 16px;
    color: #4a6f6c;
}

/* ---------- Staff Dashboard ---------- */
.dashboard-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #d9e2e1;
    max-width: 700px;
    margin: 0 auto 30px auto;
    text-align: center;
}

.dashboard-info {
    list-style-position: inside;
    padding-left: 0;
    margin-top: 15px;
}

.dashboard-help {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.dashboard-help ul {
    list-style-position: inside;
    padding-left: 0;
}

/* ---------- Footer ---------- */
footer {
    text-align: center;
    padding: 20px;
    font-size: 14px;
    color: #6b7280;
}