/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: #fff;
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.btn:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-secondary {
    background-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Cards */
.card {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

body.dark-mode .card {
    background-color: #343a40;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
}

.card-header {
    padding: 15px 20px;
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    font-weight: bold;
    color: var(--text-color);
}

body.dark-mode .card-header {
    background-color: #495057;
    border-color: #6c757d;
    color: var(--light-text-color);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-size: 1.5rem;
    margin-top: 0;
    margin-bottom: 10px;
}

.card-text {
    font-size: 1rem;
    line-height: 1.6;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

body.dark-mode .form-group label {
    color: var(--light-text-color);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
    background-color: #f0f2f5;
    color: var(--text-color);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

body.dark-mode .form-control {
    background-color: #495057;
    border-color: #6c757d;
    color: var(--light-text-color);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0,123,255,.25);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Alerts */
.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
    color: #fff;
}

.badge-primary { background-color: var(--primary-color); }
.badge-secondary { background-color: var(--secondary-color); }
.badge-success { background-color: var(--accent-color); }
.badge-info { background-color: #17a2b8; }
.badge-warning { background-color: #ffc107; color: #343a40; }
.badge-danger { background-color: #dc3545; }

/* Modals (basic structure) */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 2000; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 600px;
    border-radius: 8px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2), 0 6px 20px 0 rgba(0,0,0,0.19);
    position: relative;
}

body.dark-mode .modal-content {
    background-color: #343a40;
    border-color: #6c757d;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 10px;
    right: 20px;
}

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

body.dark-mode .close-button {
    color: var(--light-text-color);
}

body.dark-mode .close-button:hover,
body.dark-mode .close-button:focus {
    color: var(--primary-color);
}