:root {
    --sloan-green: #00843D;
    /* Approx Deere Green / Sloan's Green */
    --sloan-yellow: #FFDE00;
    /* Approx Deere Yellow */
    --sloan-black: #111111;
    --sloan-gray: #f4f4f4;
    --text-color: #333;
    --white: #ffffff;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--sloan-gray);
    color: var(--text-color);
    line-height: 1.6;
}

header {
    background-color: #f0f0f0;
    /* Very light grey */
    color: var(--sloan-green);
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

header img.logo {
    height: 50px;
    margin-right: 15px;
}

header h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.container {
    max-width: 800px;
    margin: 2rem auto;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.container-wide {
    max-width: 95%;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--sloan-black);
}

input[type="text"],
input[type="email"],
input[type="number"],
input[type="password"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

input:focus,
textarea:focus,
select:focus {
    border-color: var(--sloan-green);
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 132, 61, 0.2);
}

button.btn-submit {
    background-color: var(--sloan-yellow);
    color: var(--sloan-black);
    font-weight: 700;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1rem;
    width: 100%;
    transition: background-color 0.3s, transform 0.1s;
}

button.btn-submit:hover {
    background-color: #e6c800;
    transform: translateY(-1px);
}

button.btn-secondary {
    background-color: #666;
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.header-actions a {
    color: var(--sloan-green);
    text-decoration: none;
    font-weight: 600;
    margin-left: 1rem;
}

/* Admin Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th,
td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: var(--sloan-green);
    color: white;
}

/* Status Indicators */
.status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: bold;
}

.status-pending {
    background-color: #eee;
    color: #555;
}

.status-accepted {
    background-color: #d4edda;
    color: #155724;
}

.status-rejected {
    background-color: #f8d7da;
    color: #721c24;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius);
    text-align: center;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* Loader */
.loader {
    border: 4px solid #f3f3f3;
    border-radius: 50%;
    border-top: 4px solid var(--sloan-green);
    width: 30px;
    height: 30px;
    -webkit-animation: spin 1s linear infinite;
    /* Safari */
    animation: spin 1s linear infinite;
    display: none;
    margin: 10px auto;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@media (max-width: 600px) {

    .container,
    .modal-content {
        width: 95%;
        margin: 1rem auto;
        padding: 1rem;
    }
}

/* Tabs */
.tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    font-size: 1.1rem;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    font-weight: 600;
    color: #666;
}

.tab-btn:hover {
    color: var(--sloan-green);
}

.tab-btn.active {
    border-bottom: 3px solid var(--sloan-green);
    color: var(--sloan-black);
}