/* Dark Theme for Obscurité */
:root {
    --bg-color: #121212;
    --surface-color: #1e1e1e;
    --primary-color: #bb86fc;
    --secondary-color: #03dac6;
    --error-color: #cf6679;
    --on-bg: #e1e1e1;
    --on-surface: #ffffff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--on-bg);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--surface-color);
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.5);
}

h1 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
}

nav {
    display: flex;
    justify-content: space-around;
    background-color: var(--surface-color);
    padding: 0.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav a {
    color: var(--on-bg);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem;
}

nav a.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

main {
    padding: 1rem;
    flex: 1;
}

.card {
    background-color: var(--surface-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

label {
    font-weight: bold;
    color: var(--secondary-color);
}

input {
    background-color: #2c2c2c;
    border: 1px solid #444;
    color: white;
    padding: 0.8rem;
    border-radius: 4px;
    font-size: 1rem;
}

button {
    background-color: var(--primary-color);
    color: black;
    border: none;
    padding: 1rem;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.2s;
}

button:hover {
    opacity: 0.9;
}

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

button.danger {
    background-color: var(--error-color);
}

.item-list {
    list-style: none;
    padding: 0;
}

.item-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    border-bottom: 1px solid #333;
}

.item-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-small {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

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

.stats-table th, .stats-table td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #333;
}

.stats-table th {
    color: var(--secondary-color);
}

.message {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    display: none;
}

.message.success {
    background-color: rgba(3, 218, 198, 0.2);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    display: block;
}

.message.error {
    background-color: rgba(207, 102, 121, 0.2);
    color: var(--error-color);
    border: 1px solid var(--error-color);
    display: block;
}