:root {
    --bg: #f3f4f6;
    --card: #ffffff;
    --text: #1f2937;
    --muted: #6b7280;
    --border: #e5e7eb;
    --accent: #1f2937;
    --vert: #2e7d32;
    --rouge: #c62828;
}

* { box-sizing: border-box; }

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

/* --- Login --- */
.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 16px;
}
.login-box {
    background: var(--card);
    border-radius: 12px;
    padding: 32px 28px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.login-box h1 {
    font-size: 1.3rem;
    margin: 0 0 20px;
    text-align: center;
}
.login-box label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    margin: 14px 0 4px;
}
.login-box input {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
}
.login-box button {
    width: 100%;
    margin-top: 20px;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}
.login-erreur {
    color: var(--rouge);
    font-size: 0.9rem;
    text-align: center;
}

/* --- Topbar --- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 16px;
    background: var(--accent);
    color: #fff;
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar h1 { font-size: 1.05rem; margin: 0; }
.btn-logout {
    color: #fff;
    text-decoration: none;
    font-size: 0.85rem;
    border: 1px solid rgba(255,255,255,0.4);
    padding: 6px 10px;
    border-radius: 6px;
}

/* --- Compteurs --- */
.compteurs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 12px;
}
@media (min-width: 700px) {
    .compteurs { grid-template-columns: 1fr 1fr; }
}
.bloc-compteur {
    background: var(--card);
    border-radius: 10px;
    padding: 14px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    overflow-x: auto;
}
.bloc-compteur h2 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0 0 10px;
}
.bloc-compteur table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}
.bloc-compteur th {
    text-align: left;
    font-size: 0.75rem;
    color: var(--muted);
    padding: 4px 6px;
    border-bottom: 1px solid var(--border);
}
.bloc-compteur td {
    padding: 6px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.pastille {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 6px;
}
.solde-positif { color: var(--vert); font-weight: 700; }
.solde-negatif { color: var(--rouge); font-weight: 700; }

/* --- Navigation mois --- */
.nav-mois {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 10px;
}
.btn-nav, .btn-aujourdhui {
    text-decoration: none;
    color: var(--text);
    background: var(--card);
    padding: 8px 14px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    font-size: 0.9rem;
}
.titre-mois { font-weight: 700; font-size: 1.1rem; min-width: 160px; text-align: center; }

/* --- Calendrier --- */
.calendrier-scroll {
    overflow-x: auto;
    padding: 0 8px 24px;
}
table.calendrier {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    background: var(--card);
    border-radius: 10px;
    overflow: hidden;
}
table.calendrier th {
    background: #eef0f3;
    font-size: 0.75rem;
    color: var(--muted);
    padding: 6px;
    text-transform: uppercase;
}
.col-semaine { width: 42px; font-size: 0.7rem; color: var(--muted); text-align: center; background: #f8f9fb; }
td.jour, td.jour-vide {
    border: 1px solid var(--border);
    vertical-align: top;
    height: 92px;
    width: 13.5%;
    padding: 4px;
    cursor: pointer;
}
td.jour-vide { background: #fafafa; cursor: default; }
td.jour:hover { background: #f5f7ff; }
td.jour.aujourdhui { background: #fff8e1; }
.jour-numero { font-size: 0.8rem; font-weight: 600; color: var(--muted); margin-bottom: 3px; }
.aujourdhui .jour-numero { color: var(--accent); }
.jour-activites { display: flex; flex-direction: column; gap: 2px; }
.chip {
    font-size: 0.68rem;
    line-height: 1.2;
    padding: 2px 4px;
    border-radius: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 100;
}
@media (min-width: 700px) {
    .modal-overlay { align-items: center; }
}
.modal-box {
    background: #fff;
    width: 100%;
    max-width: 440px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 14px 14px 0 0;
    padding: 20px;
    position: relative;
}
@media (min-width: 700px) {
    .modal-box { border-radius: 14px; }
}
.modal-fermer {
    position: absolute;
    top: 10px;
    right: 14px;
    background: none;
    border: none;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--muted);
}
.modal-liste { list-style: none; padding: 0; margin: 12px 0; display: flex; flex-direction: column; gap: 6px; }
.modal-liste li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 0.85rem;
}
.modal-liste button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    opacity: 0.7;
}
#form-ajout-activite label {
    display: block;
    font-size: 0.8rem;
    color: var(--muted);
    margin: 12px 0 4px;
}
#form-ajout-activite input,
#form-ajout-activite select {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
}
.checkbox-transfert {
    display: flex !important;
    align-items: center;
    gap: 8px;
    margin-top: 12px !important;
}
.checkbox-transfert input { width: auto; }
#form-ajout-activite button {
    width: 100%;
    margin-top: 16px;
    padding: 12px;
    font-weight: 600;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

/* --- Petit écran : grille plus compacte --- */
@media (max-width: 480px) {
    td.jour, td.jour-vide { height: 78px; }
    .chip { font-size: 0.62rem; }
}

.modal-overlay[hidden] {
    display: none;
}