:root {
    --bleu: #2E9FE0;
    --bleu-fonce: #1B6FA8;
    --bleu-tres-fonce: #0d3d5c;
    --orange: #F5A623;
    --vert: #5BAE3D;
    --vert-fonce: #2E7D32;
    --gris-fond: #f4f6f9;
    --blanc: #ffffff;
    --rouge: #d9534f;
}

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

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background-color: var(--gris-fond);
    color: #222;
}

/* ---------- NAVBAR ---------- */
.navbar {
    background-color: var(--bleu-tres-fonce);
    color: var(--blanc);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    row-gap: 10px;
    padding: 12px 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    position: relative;
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
}

.navbar-brand img {
    height: 42px;
    margin-right: 12px;
}

.brand-water { color: var(--blanc); }
.brand-life { color: var(--orange); }
.brand-sub {
    font-size: 12px;
    display: block;
    font-weight: normal;
    color: #cfe3f5;
}

.navbar-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    row-gap: 8px;
}

.navbar-links a {
    color: var(--blanc);
    text-decoration: none;
    margin-left: 12px;
    font-size: 13px;
    padding: 6px 10px;
    border-radius: 5px;
    transition: 0.2s;
    white-space: nowrap;
}

.navbar-links a:hover {
    background-color: var(--bleu-fonce);
}

.logout-link {
    background-color: var(--rouge);
}

.logout-link:hover {
    background-color: #c9302c !important;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--blanc);
    font-size: 26px;
    cursor: pointer;
    padding: 0 5px;
}

/* ---------- CONTAINER ---------- */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

/* ---------- ALERTS ---------- */
.alert {
    padding: 12px 18px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}
.alert-success { background-color: #dff0d8; color: #3c763d; border: 1px solid #d6e9c6; }
.alert-danger { background-color: #f2dede; color: #a94442; border: 1px solid #ebccd1; }
.alert-info { background-color: #d9edf7; color: #31708f; border: 1px solid #bce8f1; }

/* ---------- CARTES / DASHBOARD ---------- */
.cards-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.card {
    background-color: var(--blanc);
    border-radius: 10px;
    padding: 20px 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    flex: 1;
    min-width: 220px;
    border-top: 4px solid var(--orange);
}

.card h3 {
    font-size: 13px;
    text-transform: uppercase;
    color: #777;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.card .valeur {
    font-size: 26px;
    font-weight: bold;
    color: var(--bleu-tres-fonce);
}

.card.card-bleu {
    background: linear-gradient(135deg, var(--bleu-tres-fonce), var(--bleu-fonce));
    border-top: 4px solid var(--orange);
}
.card.card-bleu h3 { color: #cfe3f5; }
.card.card-bleu .valeur { color: #ffffff; }

.card.card-vert {
    border-top: 4px solid var(--vert);
}

/* ---------- TABLEAUX ---------- */
table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--blanc);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

thead {
    background-color: var(--bleu-tres-fonce);
    color: var(--blanc);
}

th, td {
    padding: 12px 15px;
    text-align: left;
    font-size: 14px;
}

tbody tr {
    border-bottom: 1px solid #eee;
}

tbody tr:hover {
    background-color: #f9f9f9;
}

.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}
.badge-actif { background-color: #dff0d8; color: #3c763d; }
.badge-inactif { background-color: #f2dede; color: #a94442; }

/* ---------- FORMULAIRES ---------- */
.form-box {
    background-color: var(--blanc);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    max-width: 500px;
    margin: 0 auto;
    border-top: 4px solid var(--orange);
}

.form-box h2 {
    color: var(--bleu-tres-fonce);
    margin-bottom: 20px;
    text-align: center;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--bleu-tres-fonce);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--orange);
}

.btn {
    display: inline-block;
    background-color: var(--bleu-fonce);
    color: var(--blanc);
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: 0.2s;
}

.btn:hover {
    background-color: var(--bleu-tres-fonce);
}

.btn-vert {
    background-color: var(--vert);
}
.btn-vert:hover {
    background-color: var(--vert-fonce);
}

.btn-full {
    width: 100%;
    text-align: center;
}

/* ---------- PAGE LOGIN ---------- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bleu-tres-fonce) 0%, var(--vert-fonce) 100%);
    padding: 20px;
}

.login-box {
    background-color: var(--blanc);
    padding: 40px;
    border-radius: 12px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    border-top: 5px solid var(--orange);
}

.login-box .logo-title {
    text-align: center;
    margin-bottom: 25px;
}

.login-box .logo-title img {
    height: 90px;
    margin-bottom: 10px;
}

.login-box .logo-title .brand-water { color: var(--bleu-fonce); font-size: 24px; font-weight: bold; }
.login-box .logo-title .brand-life { color: var(--orange); font-size: 24px; font-weight: bold; }
.login-box .logo-title .brand-sub { display: block; color: #888; font-size: 13px; margin-top: 5px; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h1 {
    color: var(--bleu-tres-fonce);
    font-size: 24px;
}

/* =========================================================
   RESPONSIVE - TABLETTES ET MOBILES (largeur <= 900px)
   ========================================================= */
@media (max-width: 900px) {
    .container {
        margin: 20px auto;
        padding: 0 15px;
    }

    .card {
        min-width: 100%;
    }

    .page-header h1 {
        font-size: 20px;
    }

    .form-box {
        padding: 20px;
    }
}

/* =========================================================
   RESPONSIVE - MOBILES (largeur <= 768px)
   ========================================================= */
@media (max-width: 768px) {
    .navbar {
        padding: 12px 16px;
        flex-wrap: nowrap;
    }

    .navbar-brand {
        font-size: 16px;
    }

    .navbar-brand img {
        height: 32px;
        margin-right: 8px;
    }

    .brand-sub {
        font-size: 10px;
    }

    .menu-toggle {
        display: block;
    }

    .navbar-links {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        background-color: var(--bleu-tres-fonce);
        position: absolute;
        top: 100%;
        left: 0;
        padding: 10px 16px 16px 16px;
        box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        z-index: 100;
    }

    .navbar-links.ouvert {
        display: flex;
    }

    .navbar-links a {
        margin-left: 0;
        margin-top: 6px;
        padding: 10px 12px;
    }

    .navbar-links span {
        margin-left: 0 !important;
        padding-left: 0 !important;
        border-left: none !important;
        margin-top: 6px;
        text-align: center;
    }

    /* Tableaux qui defilent horizontalement au lieu de deborder */
    table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }

    th, td {
        padding: 10px 12px;
        font-size: 13px;
    }

    .card .valeur {
        font-size: 21px;
    }

    .login-box {
        padding: 28px 22px;
    }

    /* Page-header (titre + bouton "Ajouter") empile en colonne sur mobile */
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }

    .page-header .btn {
        width: 100%;
        text-align: center;
    }
}


.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-wrapper input {
    width: 100%;
    padding-right: 40px;
}

.toggle-password {
    position: absolute;
    right: 12px;
    cursor: pointer;
    font-size: 18px;
    user-select: none;
    opacity: 0.7;
}

.toggle-password:hover {
    opacity: 1;
}


/* ===== NOUVELLE NAVIGATION : BARRE DU HAUT + SIDEBAR ===== */

.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: #ffffff;
    border-bottom: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.topbar-logo {
    height: 52px;
    width: auto;
    flex-shrink: 0;
}

.topbar-brand {
    font-size: 18px;
    font-weight: bold;
    color: #0d3d5c;
    line-height: 1.2;
    white-space: nowrap;
}

.topbar-brand .brand-sub {
    display: block;
    font-size: 11px;
    font-weight: normal;
    color: #888;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: #0d3d5c;
    flex-shrink: 0;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}

.topbar-user {
    font-weight: bold;
    color: #0d3d5c;
    white-space: nowrap;
}

.topbar-lang a {
    color: #0d3d5c;
    text-decoration: none;
    margin: 0 2px;
}

.topbar-lang a.lang-actif {
    font-weight: bold;
    text-decoration: underline;
}

.topbar .logout-link {
    background: #e74c3c;
    color: white;
    padding: 6px 14px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
    white-space: nowrap;
}

.topbar .logout-link:hover {
    background: #c0392b;
}

.sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    width: 240px;
    height: calc(100vh - 64px);
    background: #0d3d5c;
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    overflow-y: auto;
    z-index: 900;
}

.sidebar a {
    color: #ffffff;
    text-decoration: none;
    padding: 12px 24px;
    font-size: 15px;
    border-left: 4px solid transparent;
}

.sidebar a:hover {
    background: rgba(255,255,255,0.1);
    border-left: 4px solid #F5A623;
}

.page-wrapper {
    padding-top: 64px;
}

.page-wrapper.avec-sidebar {
    margin-left: 240px;
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        width: 220px;
    }
    .sidebar.ouvert {
        transform: translateX(0);
    }
    .page-wrapper.avec-sidebar {
        margin-left: 0;
    }
    .topbar-brand .brand-sub {
        display: none;
    }

    /* Reduction generale de la topbar pour eviter tout debordement */
    .topbar {
        padding: 0 10px;
    }

    .topbar-left {
        gap: 8px;
    }

    .topbar-logo {
        height: 36px;
    }

    .topbar-brand {
        font-size: 14px;
    }

    .topbar-right {
        gap: 8px;
    }

    /* Le nom d'utilisateur prend trop de place sur petit ecran */
    .topbar-user {
        display: none;
    }

    .lang-dropdown-btn {
        padding: 5px 8px;
    }

    .topbar .logout-link {
        padding: 6px 10px;
        font-size: 13px;
    }
}

@media (max-width: 400px) {
    /* Sur tres petits ecrans, on garde uniquement le logo (pas le texte WaterLife) */
    .topbar-brand {
        display: none;
    }
}

.topbar-brand .brand-water {
    color: #0d3d5c;
}

.topbar-brand .brand-life {
    color: #F5A623;
}

.lang-dropdown {
    position: relative;
}

.lang-dropdown-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: #f2f2f2;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 6px 10px;
    cursor: pointer;
}

.lang-dropdown-btn img {
    width: 22px;
    height: 16px;
    object-fit: cover;
    display: block;
}

.lang-caret {
    font-size: 12px;
    color: #555;
}

.lang-dropdown-menu {
    display: none;
    position: absolute;
    top: 110%;
    right: 0;
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 150px;
    z-index: 1100;
    overflow: hidden;
}

.lang-dropdown-menu.ouvert {
    display: block;
}

.lang-dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
}

.lang-dropdown-menu a img {
    width: 22px;
    height: 16px;
    object-fit: cover;
}

.lang-dropdown-menu a:hover {
    background: #f5f5f5;
}

.lang-dropdown-menu a.lang-actif {
    background: #fdf0dc;
    font-weight: bold;
}

/* ===== GESTION DE STOCK ===== */

.stock-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.stock-export-links {
    display: flex;
    gap: 10px;
}

.stock-table-wrapper {
    background: #ffffff;
    border-radius: 8px;
    overflow-x: auto;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

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

.stock-table th {
    background: #0d3d5c;
    color: white;
    text-align: left;
    padding: 12px 16px;
    font-size: 13px;
    text-transform: uppercase;
}

.stock-table td {
    padding: 12px 16px;
    border-bottom: 1px solid #eee;
    font-size: 14px;
}

.stock-table tbody tr:hover {
    background: #f7f9fb;
}

.stock-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    background: #e8f5e9;
    color: #2e7d32;
    font-weight: bold;
}

.stock-badge.stock-bas {
    background: #fff3e0;
    color: #e65100;
}

.stock-badge.stock-vide {
    background: #ffebee;
    color: #c62828;
}

.stock-badge.badge-entree {
    background: #e8f5e9;
    color: #2e7d32;
}

.stock-badge.badge-sortie {
    background: #ffebee;
    color: #c62828;
}

.stock-actions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.btn-mini {
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 12px;
    text-decoration: none;
    white-space: nowrap;
}

.btn-mini-entree {
    background: #5BAE3D;
    color: white;
}

.btn-mini-sortie {
    background: #e74c3c;
    color: white;
}

.btn-mini-modifier {
    background: #F5A623;
    color: white;
}

.btn-mini-historique {
    background: #1B6FA8;
    color: white;
}

.stock-info-actuel {
    margin-bottom: 15px;
    font-size: 15px;
    color: #444;
}

.btn-annuler {
    display: inline-block;
    margin-left: 10px;
    color: #888;
    text-decoration: none;
}

.stock-filtre-periode {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
    background: #ffffff;
    padding: 14px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.form-group-inline {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group-inline label {
    font-size: 12px;
    color: #666;
}

.form-group-inline input {
    padding: 6px 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.modifier-stock-bloc {
    background: #ffffff;
    border: 1px solid #eee;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 20px;
}

.modifier-stock-bloc h3 {
    margin-top: 0;
    color: #0d3d5c;
    font-size: 16px;
}