/* ============================================================
   BASE.CSS — Site personnel
   Palette : #003D7A / #007AFF / #3399FF / #F5F7FA / #1C1C1E
   ============================================================ */

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

:root {
    --blue-dark:    #003D7A;
    --blue-main:    #007AFF;
    --blue-light:   #3399FF;
    --text:         #1C1C1E;
    --bg:           #F5F7FA;
    --surface:      #FFFFFF;
    --border:       #CED4DA;
    --radius:       12px;
    --radius-sm:    8px;
    --shadow:       0 2px 12px rgba(0,0,0,0.07);
    --shadow-md:    0 4px 24px rgba(0,0,0,0.10);
    --transition:   0.2s ease;
    --nav-height:   60px;
    --max-width:    1100px;
    --content-width: 700px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--blue-main); text-decoration: none; }
a:hover { color: var(--blue-dark); }

/* ── NAVBAR ────────────────────────────────────────────────── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    height: var(--nav-height);
}

.navbar-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.navbar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--blue-dark);
    white-space: nowrap;
    flex-shrink: 0;
}
.navbar-brand:hover { color: var(--blue-main); }

/* Liste de liens */
.navbar-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 0.25rem;
    flex: 1;
}

.nav-item { position: relative; }

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
    transition: background var(--transition), color var(--transition);
    white-space: nowrap;
}
.nav-link:hover,
.nav-link.active {
    background: #EBF3FF;
    color: var(--blue-main);
}

/* Dropdown */
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    list-style: none;
    padding: 0.4rem 0;
    z-index: 200;
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu {
    display: block;
}

.dropdown-item {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--text);
    transition: background var(--transition);
}
.dropdown-item:hover { background: var(--bg); color: var(--blue-main); }

.chevron {
    transition: transform var(--transition);
    opacity: 0.6;
}
.has-dropdown:hover .chevron { transform: rotate(180deg); }

/* Zone user */
.navbar-user { margin-left: auto; flex-shrink: 0; }

.nav-user-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--blue-dark);
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.nav-user-link:hover { background: #EBF3FF; }

.btn-connexion {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--surface);
    background: var(--blue-main);
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.btn-connexion:hover { background: var(--blue-dark); color: var(--surface); }

/* Burger (mobile) */
.navbar-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    margin-left: auto;
}
.navbar-burger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}
.navbar-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-burger.open span:nth-child(2) { opacity: 0; }
.navbar-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── CONTENU ────────────────────────────────────────────────── */
.main-content {
    flex: 1;
    padding: 2.5rem 0 4rem;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.content-narrow {
    max-width: var(--content-width);
    margin: 0 auto;
}

/* ── ALERTES ────────────────────────────────────────────────── */
.messages { margin-bottom: 1.5rem; }

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}
.alert-success { background: #F0FFF4; border: 1px solid #B2DFDB; color: #1B5E20; }
.alert-error,
.alert-danger   { background: #FFF0F0; border: 1px solid #FFCDD2; color: #C62828; }
.alert-info     { background: #EBF3FF; border: 1px solid #90CAF9; color: #0D47A1; }
.alert-warning  { background: #FFFDE7; border: 1px solid #FFF176; color: #F57F17; }

/* ── FOOTER ─────────────────────────────────────────────────── */
.footer {
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 1.25rem 0;
    text-align: center;
    font-size: 0.85rem;
    color: #6c757d;
}

/* ── CARDS ──────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

/* ── FORMULAIRES ────────────────────────────────────────────── */
.form-control {
    width: 100%;
    padding: 0.6rem 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--blue-main);
    box-shadow: 0 0 0 3px rgba(0,122,255,0.15);
}
.form-group { margin-bottom: 1.25rem; }
label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.4rem; }

/* ── BOUTONS ────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--blue-main); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); color: #fff; }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 768px) {
    .navbar-burger { display: flex; }
    .navbar-user { display: none; }

    .navbar-menu {
        display: none;
        flex-direction: column;
        align-items: stretch;
        position: absolute;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        padding: 0.75rem 1rem 1rem;
        gap: 0.15rem;
        z-index: 99;
    }
    .navbar-menu.open { display: flex; }

    .has-dropdown:hover .dropdown-menu { display: none; }
    .has-dropdown.open .dropdown-menu {
        display: block;
        position: static;
        box-shadow: none;
        border: none;
        border-left: 3px solid var(--blue-light);
        border-radius: 0;
        padding-left: 0.5rem;
        margin: 0.25rem 0;
    }

    .nav-link { padding: 0.5rem 0.5rem; }
}