/* ── Reset et base ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --blue:       #1E5C9B;
    --blue-dark:  #154272;
    --green:      #1B6B2F;
    --grey:       #555;
    --light:      #F5F8FF;
    --border:     #DDE3EE;
    --success:    #1B6B2F;
    --error:      #CC0000;
    --white:      #FFFFFF;
    --font:       'Arial', sans-serif;
    --radius:     8px;
    --shadow:     0 2px 8px rgba(0,0,0,0.08);
}

body {
    font-family: var(--font);
    font-size: 16px;
    color: #222;
    background: #F0F4F8;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
    background: var(--blue);
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand a {
    color: var(--white);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.navbar-menu {
    list-style: none;
    display: flex;
    gap: 4px;
}

.navbar-menu a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    transition: background 0.2s;
    display: block;
}

.navbar-menu a:hover {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

/* ── Container ─────────────────────────────────────────── */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 16px;
    flex: 1;
}

/* ── Alertes flash ─────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.alert-success {
    background: #E8F5E9;
    color: var(--success);
    border: 1px solid #A5D6A7;
}

.alert-error {
    background: #FFEBEE;
    color: var(--error);
    border: 1px solid #FFCDD2;
}

/* ── Cards ─────────────────────────────────────────────── */
.card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--blue);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border);
}

/* ── Formulaires ───────────────────────────────────────── */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: bold;
    color: var(--grey);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font);
    background: var(--white);
    color: #222;
    transition: border-color 0.2s;
    min-height: 44px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(30,92,155,0.12);
}

.form-error {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 4px;
}

/* ── Boutons ───────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: var(--font);
    font-weight: bold;
    cursor: pointer;
    border: none;
    text-decoration: none;
    min-height: 44px;
    transition: background 0.2s, transform 0.1s;
}

.btn:active { transform: scale(0.98); }

.btn-primary   { background: var(--blue);  color: var(--white); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-success   { background: var(--green); color: var(--white); }
.btn-danger    { background: var(--error); color: var(--white); }
.btn-secondary { background: #EEE; color: #333; }
.btn-sm        { padding: 6px 14px; font-size: 0.85rem; min-height: 36px; }
.btn-block     { width: 100%; }

/* ── Tableaux ──────────────────────────────────────────── */
.table-responsive { overflow-x: auto; }

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

table th {
    background: var(--blue);
    color: var(--white);
    padding: 10px 12px;
    text-align: left;
    font-weight: bold;
}

table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

table tr:not(.no-hover):nth-child(even) td { background: var(--light); }
table tr:not(.no-hover):hover td { background: #EEF3FA; }

/* ── Page titre ────────────────────────────────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 1.6rem;
    color: var(--blue);
}

/* ── Footer ────────────────────────────────────────────── */
.footer {
    text-align: center;
    padding: 16px;
    color: #AAA;
    font-size: 0.85rem;
    border-top: 1px solid var(--border);
    background: var(--white);
}

/* ── Responsive mobile ─────────────────────────────────── */
@media (max-width: 768px) {
    .navbar { height: auto; flex-direction: column; padding: 12px 16px; gap: 8px; }
    .navbar-menu { flex-wrap: wrap; justify-content: center; }
    .navbar-menu a { font-size: 0.85rem; padding: 6px 10px; }
    .container { padding: 16px 12px; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
    table { font-size: 0.85rem; }
    table th, table td { padding: 8px; }
}