/* === RESET GLOBAL === */
* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, Arial, sans-serif;
    margin: 0;
    background: #f7f8fa;
    color: #222;
}

/* === HEADER === */
header {
    background: #111827;
    color: #fff;
    padding: 16px 20px;
}
header h1 {
    margin: 0;
    font-size: 18px;
}

/* === CONTENU PRINCIPAL === */
main {
    max-width: 1100px;
    margin: 24px auto;
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}

/* === LIENS & BOUTONS === */
a {
    color: #2563eb;
    text-decoration: none;
}

a.btn,
button,
input[type=submit] {
    padding: 10px 14px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    background: #111827;
    color: #fff;
}

a.btn.secondary,
.btn.secondary {
    background: #fff;
    color: #111827;
}

/* === TABLEAUX === */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 14px;
}
th, td {
    padding: 10px;
    border-bottom: 1px solid #e5e7eb;
    text-align: left;
}
th {
    background: #f3f4f6;
}

/* === FORMULAIRES === */
form.inline {
    display: flex;
    gap: 8px;
    align-items: center;
}
input[type=text],
input[type=number],
input[type=password],
input[type=email] {
    padding: 10px;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    width: 100%;
}

/* === GRILLES & CARTES === */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.card {
    padding: 16px;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    background: #fafafa;
}

/* === MESSAGES === */
.notice {
    padding: 12px 14px;
    background: #ecfeff;
    border: 1px solid #bae6fd;
    border-radius: 10px;
    margin: 10px 0;
}
.error {
    background: #fee2e2;
    border-color: #fecaca;
}

/* === FOOTER === */
footer {
    text-align: center;
    color: #6b7280;
    margin: 20px 0 30px;
}

/* === LOGIN BOX === */
.login-box {
    max-width: 420px;
    margin: 60px auto;
    padding: 24px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}