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

body {
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}

nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    padding: 1rem 0;
    border-bottom: 1px solid #ddd;
    margin-bottom: 2rem;
}

#nav-toggle {
    display: none !important;
}
.nav-toggle-label { display: none; }

nav .logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-decoration: none;
    color: #2563eb;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

nav a { color: #555; text-decoration: none; }
nav a:hover { color: #2563eb; }

h1 { margin-bottom: 1rem; }
h2 { margin: 1.5rem 0 0.5rem; }

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    text-align: left;
    padding: 0.5rem;
    border-bottom: 1px solid #eee;
}

th { font-weight: 600; border-bottom: 2px solid #ddd; }

form { max-width: 600px; }

label:not(.nav-toggle-label) {
    display: block;
    margin-top: 1rem;
    font-weight: 500;
}

input:not(#nav-toggle), textarea, select {
    width: 100%;
    padding: 0.5rem;
    margin-top: 0.25rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

button, .btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin-top: 1rem;
    background: #2563eb;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
}

button:hover, .btn:hover { background: #1d4ed8; }

.btn-danger { background: #dc2626; }
.btn-danger:hover { background: #b91c1c; }

.btn-success { background: #16a34a; }
.btn-success:hover { background: #15803d; }

.message {
    padding: 0.75rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    display: flex;
    flex-direction: column;
    padding: 1rem 2rem;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

a.stat { text-decoration: none; transition: border-color 0.2s; }
a.stat:hover { border-color: #2563eb; }

.stat-value { font-size: 2rem; font-weight: bold; color: #2563eb; }
.stat-label { color: #64748b; }

.detail p { margin: 0.25rem 0; }

.actions {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    align-items: center;
}

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.login-box {
    width: 100%;
    max-width: 360px;
    padding: 2rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
}

.login-box h1 {
    text-align: center;
    color: #2563eb;
    margin-bottom: 1.5rem;
}

.erreur {
    color: #dc2626;
    background: #fef2f2;
    padding: 0.5rem;
    border-radius: 4px;
    margin-bottom: 1rem;
    text-align: center;
}

.auth-link {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
}

.auth-link a { color: #2563eb; }

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* === Responsive mobile === */
@media (max-width: 640px) {
    .nav-toggle-label {
        display: block;
        cursor: pointer;
        margin-left: auto;
        padding: 0.5rem;
    }

    .nav-toggle-label span,
    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        display: block;
        background: #555;
        height: 2px;
        width: 1.5rem;
        border-radius: 2px;
        position: relative;
        transition: all 0.3s;
    }

    .nav-toggle-label span::before,
    .nav-toggle-label span::after {
        content: '';
        position: absolute;
    }

    .nav-toggle-label span::before { top: -6px; }
    .nav-toggle-label span::after { top: 6px; }

    .nav-toggle:checked + .nav-toggle-label span { background: transparent; }
    .nav-toggle:checked + .nav-toggle-label span::before {
        transform: rotate(45deg);
        top: 0;
    }
    .nav-toggle:checked + .nav-toggle-label span::after {
        transform: rotate(-45deg);
        top: 0;
    }

    nav ul {
        display: none;
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-toggle:checked ~ ul {
        display: flex;
    }

    nav ul li a {
        display: block;
        padding: 0.75rem 0;
        border-top: 1px solid #eee;
    }

    nav { gap: 0; }

    .stats { flex-direction: column; gap: 1rem; }

    .actions { flex-wrap: wrap; }

    .form-row { flex-direction: column; gap: 0; }

    table { font-size: 0.875rem; }

    th, td { padding: 0.4rem 0.25rem; }
}