:root {
    --bg-color: #f4f6f8;
    --card-bg: #ffffff;
    --text-color: #333;
    --text-light: #666;
    --primary: #4A90E2;
    --primary-hover: #357ABD;
    --danger: #e74c3c;
    --danger-hover: #c0392b;
    --border: #ddd;
    --font-main: 'Montserrat', sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border);
}

.logo a {
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-color);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s, color 0.3s;
}

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

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

.btn-danger {
    background-color: var(--danger);
    color: white;
    padding: 5px 10px;
    font-size: 0.8rem;
}

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

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background-color: var(--text-color);
    color: white;
}

.dashboard-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
}

@media (max-width: 900px) {
    .dashboard-main {
        grid-template-columns: 1fr;
    }
}

section {
    background: var(--card-bg);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

h2 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input[type="text"],
.form-group input[type="file"] {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
}

.status-message {
    margin-top: 15px;
    font-size: 0.9rem;
    font-weight: 600;
}

.table-container {
    overflow-x: auto;
}

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

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

th {
    font-weight: 600;
    color: var(--text-light);
    background-color: #f9f9f9;
}

.img-preview {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border);
}

.empty-state {
    text-align: center;
    padding: 30px;
    color: var(--text-light);
}