/* --- Global Styles & Variables --- */
:root {
    --bg-dark: #2D2D30;
    --bg-medium: #3F3F41;
    --bg-light: #505052;
    --text-primary: #F1F1F1;
    --text-secondary: #A0A0A0;
    --accent-blue: #007ACC;
    --green-check: #4CAF50;
    --border-color: #555;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
}

/* --- Main Layout --- */
.app-container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 240px;
    background-color: var(--bg-medium);
    padding: 20px 0;
    flex-shrink: 0;
}

.main-content {
    flex-grow: 1;
    padding: 20px 30px;
    display: flex;
    flex-direction: column;
}

/* --- Sidebar --- */
.sidebar-header {
    padding: 0 20px 20px 20px;
}

.sidebar ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.sidebar li a {
    display: block;
    color: var(--text-primary);
    text-decoration: none;
    padding: 12px 20px;
    font-size: 14px;
}

.sidebar li.active a {
    background-color: var(--accent-blue);
    border-radius: 5px;
}

.sidebar li a:hover {
    background-color: var(--bg-light);
     border-radius: 5px;
}

.sidebar li a i {
    margin-right: 15px;
    width: 20px;
    text-align: center;
}

/* --- Main Content: Header & Toolbar --- */
.main-header {
    margin-bottom: 20px;
}

.toolbar {
    margin-bottom: 20px;
}

.toolbar button {
    background-color: var(--bg-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 15px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-right: 10px;
}

.toolbar button:hover {
    background-color: #606062;
}

.toolbar button i {
    margin-right: 8px;
}

/* --- Table --- */
.table-container {
    background-color: var(--bg-medium);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

thead {
    background-color: var(--bg-light);
}

tbody tr:hover {
    background-color: #4a4a4c;
}

td .fa-check {
    color: var(--green-check);
}

/* --- Side Panel (for New Product) --- */
.side-panel {
    position: fixed;
    top: 0;
    right: -450px; /* Hidden by default */
    width: 450px;
    height: 100vh;
    background-color: var(--bg-medium);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease-in-out;
}

.side-panel.visible {
    right: 0; /* Make it visible */
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
}

.panel-body {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
}

.panel-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
}

.btn-secondary {
    background-color: var(--bg-light);
    color: var(--text-primary);
    padding: 10px 20px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    margin-right: 10px;
}

.btn-primary {
    background-color: var(--accent-blue);
    color: var(--text-primary);
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

/* --- Tabs in Side Panel --- */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 10px 15px;
    cursor: pointer;
    font-size: 14px;
    border-bottom: 2px solid transparent;
}

.tab-link.active {
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-blue);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* --- Form Styles --- */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px;
    background-color: var(--bg-dark);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    box-sizing: border-box;
}

.form-group.checkbox-group {
    display: flex;
    align-items: center;
}

.form-group.checkbox-group input {
    width: auto;
    margin-right: 10px;
}