:root {
    --bg-color: #121212;
    --text-color: #e0e0e0;
    --primary-color: #bb86fc;
    --secondary-color: #03dac6;
}

body {
    font-family: Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

.login-container, .dashboard-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.big-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 20px 40px;
    font-size: 18px;
    border-radius: 8px;
    cursor: pointer;
    margin: 20px 0;
}

.big-button:hover {
    background-color: var(--secondary-color);
}

.charts-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chart {
    background-color: #1e1e1e;
    padding: 10px;
    border-radius: 8px;
}

.date-selector select {
    background-color: #1e1e1e;
    color: var(--text-color);
    border: 1px solid #444;
    padding: 8px;
    margin: 5px;
}

.error {
    color: #ff6b6b;
}

/* Onglets */
.tabs {
    display: flex;
    margin: 20px 0;
    border-bottom: 1px solid #444;
}

.tab-button {
    padding: 10px 20px;
    background: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.tab-button.active {
    background: #bb86fc;
    color: #000;
}

/* Sélecteurs */
.selector {
    display: none;
    margin: 10px 0;
}

.selector.active {
    display: block;
}

.selector label {
    margin-right: 10px;
}

.selector select, .selector input {
    padding: 8px;
    margin-right: 15px;
    background: #333;
    color: #fff;
    border: 1px solid #555;
}

/* Graphique */
.chart-container {
    width: 100%;
    height: 400px;
    margin: 20px 0;
}