:root {
    --color-bg: #f7f7f5;
    --color-surface: #ffffff;
    --color-border: #e3e2de;
    --color-text: #1f1e1c;
    --color-text-muted: #6b6a66;
    --color-accent: #2f6f4f;
    --color-accent-hover: #24583f;
    --color-danger: #b3412c;
    --color-danger-hover: #8f3423;
    --color-success-bg: #eaf4ee;
    --color-success-text: #1f5c3e;
    --color-danger-bg: #fbeae7;
    --color-warning: #a8710a;
    --color-warning-bg: #faf0dc;
    --radius: 8px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-bg: #17181a;
        --color-surface: #212226;
        --color-border: #34363b;
        --color-text: #ece9e4;
        --color-text-muted: #9a9891;
        --color-accent: #4f9c74;
        --color-accent-hover: #63b587;
        --color-danger: #d97361;
        --color-danger-hover: #e28b7c;
        --color-success-bg: #1b3226;
        --color-success-text: #8fd6ac;
        --color-danger-bg: #3a2320;
        --color-warning: #e0ac52;
        --color-warning-bg: #362a13;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
}

h1 {
    font-size: 1.5rem;
    margin: 0 0 1.25rem;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 0;
}

.page {
    max-width: 960px;
    margin: 0 auto;
    padding: 1.5rem 1rem 3rem;
}

/* Navigation */
.navbar {
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.navbar-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem 1.5rem;
}

.navbar-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    align-items: center;
}

.navbar-links a {
    color: var(--color-text);
    font-weight: 500;
}

.navbar-links a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.navbar-logout-form {
    display: block;
    max-width: none;
    margin: 0;
}

.navbar-logout {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-family: inherit;
}

.navbar-logout:hover {
    color: var(--color-danger);
    text-decoration: underline;
}

@media (max-width: 600px) {
    .navbar-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Flash messages */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
}

.alert-success {
    background-color: var(--color-success-bg);
    color: var(--color-success-text);
}

.suggestion-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.5rem;
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
}

.suggestion-banner p {
    margin: 0;
    color: var(--color-success-text);
}

.suggestion-actions {
    flex-direction: row;
    align-items: center;
    max-width: none;
    gap: 1rem;
    margin: 0;
}

.alert-danger {
    background-color: var(--color-danger-bg);
    color: var(--color-danger);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    text-decoration: none;
}

.btn-danger {
    background-color: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger);
    padding: 0.35rem 0.75rem;
    font-size: 0.85rem;
}

.btn-danger:hover {
    background-color: var(--color-danger);
    color: #fff;
    text-decoration: none;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-accent);
    padding: 0;
    font: inherit;
    cursor: pointer;
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 480px;
}

label {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    display: block;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"],
input[type="number"],
input[type="date"],
select {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: 0.95rem;
    font-family: inherit;
}

input:focus,
select:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 1px;
}

.form-row {
    margin-bottom: 0;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

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

th, td {
    text-align: left;
    padding: 0.65rem 0.85rem;
    border-bottom: 1px solid var(--color-border);
}

th {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

tbody tr:last-child td {
    border-bottom: none;
}

tbody tr:hover {
    background-color: var(--color-bg);
}

td form {
    display: inline-flex;
    max-width: none;
    margin: 0;
}

/* Filtres */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.filter-pill {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: 0.85rem;
    font-weight: 500;
}

.filter-pill:hover {
    text-decoration: none;
    border-color: var(--color-accent);
}

.filter-pill--active {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.filter-pill--active:hover {
    border-color: var(--color-accent-hover);
    background-color: var(--color-accent-hover);
}

/* Colonnes à contenu de longueur variable (ex : mots-clés) : autoriser le retour à la
   ligne pour que la largeur du tableau reste bornée par la largeur de la page, plutôt
   que de pousser les colonnes suivantes (dont les actions) hors du viewport. */
td.wrap-cell {
    white-space: normal;
    word-break: break-word;
    max-width: 320px;
}

/* Colonne actions épinglée à droite : reste visible même si le tableau doit malgré
   tout défiler horizontalement (fenêtre étroite, contenu exceptionnellement long),
   pour ne jamais masquer silencieusement "Modifier"/"Supprimer". */
@media (min-width: 601px) {
    th.actions-cell,
    td.actions-cell {
        position: sticky;
        right: 0;
        background-color: var(--color-surface);
        box-shadow: -8px 0 8px -8px rgb(0 0 0 / 15%);
    }

    tbody tr:hover td.actions-cell {
        background-color: var(--color-bg);
    }
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

/* Tables responsives : au-delà de 600px, tableau classique avec défilement horizontal
   si besoin ; en dessous, chaque ligne devient une carte pour éviter que des colonnes
   (et notamment les actions) ne sortent du viewport sans indice visuel. */
@media (max-width: 600px) {
    .table-wrapper {
        overflow-x: visible;
        border: none;
        background: none;
    }

    .table-wrapper table {
        white-space: normal;
    }

    .table-wrapper thead {
        display: none;
    }

    .table-wrapper table,
    .table-wrapper tbody,
    .table-wrapper tr {
        display: block;
        width: 100%;
    }

    .table-wrapper tr {
        background-color: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius);
        padding: 0.75rem 0.85rem;
        margin-bottom: 0.75rem;
    }

    .table-wrapper tbody tr:last-child {
        margin-bottom: 0;
    }

    .table-wrapper td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        padding: 0.35rem 0;
        border-bottom: none;
        text-align: right;
    }

    .table-wrapper td[data-label]::before {
        content: attr(data-label);
        color: var(--color-text-muted);
        font-weight: 600;
        font-size: 0.8rem;
        text-align: left;
    }

    .table-wrapper td:not([data-label]) {
        display: block;
        text-align: left;
        padding-top: 0.5rem;
    }
}

/* Dashboard */
.stat-tiles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-tile {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.stat-tile-label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.stat-tile-value {
    font-size: 1.5rem;
    font-weight: 600;
}

.chart-wrapper {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.25rem;
}

/* Budgets */
.month-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.month-nav h1 {
    margin: 0;
    text-align: center;
}

.month-nav-link {
    white-space: nowrap;
    font-size: 0.9rem;
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .month-nav {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
}

.budget-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
    align-items: start;
}

.budget-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.budget-card > summary {
    list-style: none;
    cursor: pointer;
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.budget-card > summary::-webkit-details-marker {
    display: none;
}

.budget-card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.budget-card-chevron {
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: transform 0.15s ease;
}

.budget-card[open] .budget-card-chevron {
    transform: rotate(180deg);
}

.budget-card-name {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.budget-card-amounts {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.progress-bar {
    height: 8px;
    border-radius: 999px;
    background-color: var(--color-bg);
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    border-radius: 999px;
}

.progress-bar-fill--ok {
    background-color: var(--color-accent);
}

.progress-bar-fill--warning {
    background-color: var(--color-warning);
}

.progress-bar-fill--over {
    background-color: var(--color-danger);
}

.budget-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 0.85rem;
}

.budget-card-percentage {
    font-weight: 600;
}

.budget-card-percentage--ok {
    color: var(--color-accent);
}

.budget-card-percentage--warning {
    color: var(--color-warning);
}

.budget-card-percentage--over {
    color: var(--color-danger);
}

.budget-card-transactions {
    border-top: 1px solid var(--color-border);
    padding: 0.75rem 1.25rem 1rem;
}

.budget-card-empty {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin: 0;
}

.budget-card-transaction-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.budget-card-transaction-list li {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    font-size: 0.85rem;
}

.budget-card-transaction-label {
    overflow-wrap: break-word;
}

.budget-card-transaction-meta {
    display: flex;
    justify-content: space-between;
    gap: 0.65rem;
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.budget-card-transaction-amount {
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
}

.budget-card-edit {
    border-top: 1px solid var(--color-border);
    padding: 0.5rem 1.25rem 0.75rem;
}

.budget-card-edit-label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.budget-edit-form {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    max-width: none;
    margin-top: 0.6rem;
}

.budget-edit-form input[type="text"] {
    width: 100px;
    flex: 0 0 auto;
}