/* General Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #f4f7f6;
    --surface-color: #ffffff;
    --text-color: #34495e;
    --light-gray-color: #ecf0f1;
    --border-color: #e0e0e0;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: #2980b9;
}

/* Sidebar Navigation */
.sidebar {
    width: 250px;
    background-color: var(--surface-color);
    padding: 2rem 1rem;
    position: fixed;
    height: 100%;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar .logo {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.sidebar nav a {
    display: block;
    padding: 0.9rem 1.5rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    color: var(--text-color);
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.sidebar nav a:hover,
.sidebar nav a.active {
    background-color: var(--primary-color);
    color: var(--surface-color);
}

.sidebar .footer {
    margin-top: auto;
    text-align: center;
    font-size: 0.8rem;
    color: #95a5a6;
}

/* Main Content Area */
.main-content {
    margin-left: 250px;
    flex-grow: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.main-content header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.main-content header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.btn,
button,
input[type="submit"] {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
    display: inline-block;
    text-align: center;
}

.btn:hover,
button:hover,
input[type="submit"]:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-color);
}
.btn-secondary:hover {
    background-color: #27ae60;
}

.btn-danger {
    background-color: #e74c3c;
}
.btn-danger:hover {
    background-color: #c0392b;
}


/* Dashboard Cards */
.card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    animation: fadeIn 1s ease-out;
}

.card {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card p {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.card .card-link {
    font-weight: 600;
    align-self: flex-start;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--surface-color);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

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

th {
    background-color: var(--light-gray-color);
    font-weight: 600;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background-color: #f9f9f9;
}

/* Forms */
form {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: 'Poppins', sans-serif;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* Detail Views */
.detail-container {
    background-color: var(--surface-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.detail-container h1 {
    margin-bottom: 1.5rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 1rem;
}

.detail-grid strong {
    font-weight: 600;
}

.detail-actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
}


/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-content > * {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Feedback/Alerts */
.feedback {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 8px;
    color: var(--surface-color);
}
.feedback.success {
    background-color: var(--secondary-color);
}
.feedback.error {
    background-color: #e74c3c;
}

/* Charts */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.chart-card {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.chart-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}