/* ─── DESIGN TOKENS ─────────────────────────────────────────────────── */
:root {
    --color-primary: #3a9e8f;
    --color-primary-light: #e8f5f3;
    --color-primary-dark: #2c7a6e;
    --color-accent: #f0a04b;
    --color-bg: #f7faf9;
    --color-white: #ffffff;
    --color-gray-100: #f1f5f4;
    --color-gray-200: #e2eae8;
    --color-gray-400: #9ab5b0;
    --color-gray-600: #5a7a75;
    --color-gray-800: #2d4a45;
    --color-danger: #e05c5c;
    --color-success: #4caf87;
    --color-text: #2d4a45;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 14px;
    --shadow-card: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-card-hover: 0 4px 20px rgba(0,0,0,0.10);
}

html, body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
}

a, .btn-link {
    color: var(--color-primary);
}

a:hover, .btn-link:hover {
    color: var(--color-primary-dark);
}

/* ─── BUTTONS ───────────────────────────────────────────────────────── */
.btn-primary {
    color: #fff;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: opacity .15s, box-shadow .15s;
}

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: #fff;
}

.btn-secondary {
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-danger:hover, .btn-danger:focus {
    background-color: #c94a4a;
    border-color: #c94a4a;
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
    border-radius: var(--radius-md);
    font-weight: 600;
}

.btn-outline-primary:hover, .btn-outline-primary:focus {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--color-primary);
}

/* ─── FORMS ─────────────────────────────────────────────────────────── */
.form-control {
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: border-color .15s;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(58, 158, 143, 0.15);
}

.form-select {
    border: 1.5px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    color: var(--color-text);
}

.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(58, 158, 143, 0.15);
}

.form-label, .col-form-label {
    color: var(--color-gray-600);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ─── CONTENT ───────────────────────────────────────────────────────── */
.content {
    padding-top: 1.1rem;
}

h1, h2, h3 {
    color: var(--color-gray-800);
}

h1 {
    color: var(--color-primary);
    font-weight: 800;
}

h1:focus {
    outline: none;
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}


/* ─── PAGE LAYOUT ───────────────────────────────────────────────────── */
.page {
    position: relative;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

/* ─── SIDEBAR ───────────────────────────────────────────────────────── */
.sidebar {
    background: linear-gradient(180deg, #1a5c52 0%, #2c7a6e 40%, #3a9e8f 100%);
}

/* Mobile : masquer la sidebar, laisser de la place pour la barre du bas */
@media (max-width: 640px) {
    .sidebar {
        display: none;
    }

    main {
        padding-bottom: 4.5rem;
    }
}


@media (min-width: 641px) {
    .page {
        flex-direction: row;
    }

    .sidebar {
        width: 260px;
        height: 100vh;
        position: sticky;
        top: 0;
    }

    main .top-row {
        position: sticky;
        top: 0;
        z-index: 1;
    }

        main .top-row.auth a:first-child {
            flex: 1;
            text-align: right;
            width: 0;
        }

    main .top-row, article {
        padding-left: 2rem !important;
        padding-right: 1.5rem !important;
    }
}

/* ─── NAV MENU ──────────────────────────────────────────────────────── */

.sidebar .navbar-toggler {
    appearance: none;
    cursor: pointer;
    width: 3.5rem;
    height: 2.5rem;
    color: white;
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    background: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") no-repeat center/1.75rem rgba(255, 255, 255, 0.1);
}

.navbar-toggler:checked {
    background-color: rgba(255, 255, 255, 0.3);
}

.sidebar .top-row {
    min-height: 3.5rem;
    background-color: rgba(0,0,0,0.2);
}

.sidebar .navbar-brand {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.sidebar .nav.flex-column {
    height: 100%;
}

.sidebar .nav-item {
    font-size: 0.9rem;
    padding-bottom: 0.3rem;
}

    .sidebar .nav-item:first-of-type {
        padding-top: 1rem;
    }

    .sidebar .nav-item:last-of-type {
        padding-bottom: 1rem;
    }

    .sidebar .nav-item .nav-link {
        color: rgba(255,255,255,0.8);
        background: none;
        border: none;
        border-radius: var(--radius-md);
        height: 2.75rem;
        display: flex;
        align-items: center;
        line-height: 2.75rem;
        width: 100%;
        transition: background-color .15s, color .15s;
    }

    .sidebar .nav-item a.active {
        background-color: rgba(255,255,255,0.2);
        color: white;
        font-weight: 600;
    }

    .sidebar .nav-item .nav-link:hover {
        background-color: rgba(255,255,255,0.12);
        color: white;
    }

    .sidebar .nav-item .nav-link i {
        width: 1.4em;
        text-align: center;
    }

    .sidebar .nav-item ul {
        padding-left: 0.5rem;
        list-style: none;
    }

    .sidebar .nav-item ul .nav-link {
        height: 2.25rem;
        line-height: 2.25rem;
        font-size: 0.85rem;
        color: rgba(255,255,255,0.65);
    }

    .sidebar .nav-item ul .nav-link:hover {
        color: white;
    }

.sidebar .nav-scrollable {
    display: none;
}

.sidebar .navbar-toggler:checked ~ .nav-scrollable {
    display: block;
}

@media (min-width: 641px) {
    .sidebar .navbar-toggler {
        display: none;
    }

    .sidebar .nav-scrollable {
        display: block;
        height: calc(100vh - 3.5rem);
        overflow-y: auto;
    }
}

/* ─── MOBILE BOTTOM NAV ─────────────────────────────────────────────── */
.mobile-bottom-nav {
    display: none;
}

@media (max-width: 640px) {
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 4rem;
        background: linear-gradient(90deg, #1a5c52 0%, #2c7a6e 50%, #3a9e8f 100%);
        box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
        z-index: 1000;
    }

    .mobile-bottom-nav__item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: rgba(255,255,255,0.8);
        text-decoration: none;
        font-size: 0.65rem;
        gap: 0.2rem;
        transition: color .15s, background-color .15s;
    }

    .mobile-bottom-nav__item i {
        font-size: 1.2rem;
    }

    .mobile-bottom-nav__item:hover,
    .mobile-bottom-nav__item.active {
        color: #ffffff;
        background-color: rgba(255,255,255,0.15);
    }
}