body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Dashboard Cards Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 15px;
    padding: 15px 0;
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
}

.mobile-nav button {
    background: none;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 0.8em;
    color: #666;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: all 0.2s;
}

.mobile-nav button.active {
    color: #28a745;
    background: #f0f9f0;
}

.mobile-nav button:hover {
    background: #f5f5f5;
}

/* Main container adjustment for mobile nav */
.main-container {
    padding-bottom: 70px;
}

.action-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}

.action-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
    border-color: #28a745;
}

.action-card .icon {
    font-size: 2.5em;
    margin-bottom: 15px;
    color: #28a745;
}

.action-card h4 {
    margin: 0;
    color: #333;
    font-size: 0.9em;
    line-height: 1.2;
}

/* Modal Styles */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.5); 
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background-color: #fefefe;
    padding: 25px;
    border-radius: 12px;
    width: 90%; 
    max-width: 500px;
    position: relative;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.close-modal {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    position: absolute;
    right: 20px;
    top: 15px;
}

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

.modal-header {
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.modal-header h3 {
    margin: 0;
    color: #28a745;
}

.btn-block {
    width: 100%;
    padding: 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1em;
    cursor: pointer;
    margin-top: 15px;
}

.btn-block:hover {
    background-color: #218838;
}