:root{--bg:#f6f7f9;--panel:#fff;--text:#171717;--muted:#6b7280;--border:#e5e7eb;--accent:#111827;--danger:#b91c1c;--today:#eef2ff}
html[data-theme=dark]{--bg:#111318;--panel:#191c22;--text:#f3f4f6;--muted:#9ca3af;--border:#2b3038;--accent:#f3f4f6;--danger:#f87171;--today:#252b3d}
@media(prefers-color-scheme:dark){html[data-theme=system]{--bg:#111318;--panel:#191c22;--text:#f3f4f6;--muted:#9ca3af;--border:#2b3038;--accent:#f3f4f6;--danger:#f87171;--today:#252b3d}}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:22px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column}.brand{font-weight:800;font-size:1.25rem;margin-bottom:24px}.sidebar nav{display:grid;gap:6px}.sidebar nav a,.logout{padding:10px 12px;border-radius:10px}.sidebar nav a:hover,.logout:hover{background:var(--bg)}.logout{margin-top:auto}.content{padding:24px;min-width:0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.topbar h1{margin:0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:18px;margin-bottom:16px}.metric{font-size:1.5rem;font-weight:700}.muted{color:var(--muted)}.muted-row{opacity:.45}.item{display:grid;grid-template-columns:auto 1fr;gap:4px 8px;padding:10px;border-bottom:1px solid var(--border);border-radius:10px;margin:5px 0}.item small{grid-column:2;color:var(--muted)}.dot{width:10px;height:10px;border-radius:99px;display:inline-block}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:10px 14px;background:var(--accent);color:var(--bg);cursor:pointer}.btn.secondary{background:transparent;color:var(--text);border:1px solid var(--border)}.filters,.inline-form,.actions,.calendar-toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.check-inline{display:flex!important;align-items:center!important;gap:6px}.check-inline input{width:auto}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid label{display:grid;gap:6px}.wide{grid-column:1/-1}input,select,textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px;background:var(--panel);color:var(--text)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--border);white-space:nowrap}.link-danger{border:0;background:none;color:var(--danger);cursor:pointer;padding:0}.actions form{display:inline}.alert{padding:12px;border-radius:10px;background:var(--bg);margin-bottom:12px}.alert.error{color:var(--danger)}.auth{min-height:100vh;display:grid;place-items:center;padding:20px}.auth-card{width:min(420px,100%);background:var(--panel);padding:24px;border-radius:16px;border:1px solid var(--border);display:grid;gap:16px}.subject-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}
.section-link:hover{text-decoration:underline}.task-box,.exam-box{transition:.15s}.task-box:hover,.exam-box:hover{transform:translateY(-1px)}
.status-todo{background:rgba(245,158,11,.10)}.status-in_progress{background:rgba(59,130,246,.12)}.status-done{background:rgba(34,197,94,.12)}.status-postponed{background:rgba(168,85,247,.12)}.status-cancelled{background:rgba(107,114,128,.12);opacity:.65}.status-overdue{background:rgba(239,68,68,.12)}.priority-high{background:rgba(239,68,68,.09)}.priority-medium{background:rgba(245,158,11,.09)}.priority-low{background:rgba(34,197,94,.09)}
.task-row.status-todo td{background:rgba(245,158,11,.05)}.task-row.status-in_progress td{background:rgba(59,130,246,.06)}.task-row.status-done td{background:rgba(34,197,94,.06)}.task-row.status-postponed td{background:rgba(168,85,247,.06)}.task-row.status-cancelled td{background:rgba(107,114,128,.05)}
#calendar{display:grid;gap:10px}.cal-weekdays{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;text-align:center;color:var(--muted);font-size:.8rem}.cal-grid,.cal-week-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.cal-day{min-height:120px;border:1px solid var(--border);border-radius:10px;padding:8px;transition:.15s}.cal-day.today{background:var(--today);border:2px solid var(--accent)}.cal-day.compact{min-height:180px}.cal-day.drag-over{outline:2px solid var(--accent)}.cal-day header{font-weight:700;margin-bottom:6px}.cal-event{display:block;padding:5px 6px;border-radius:7px;margin:4px 0;font-size:.86rem;border-left:4px solid var(--event-color,#64748b);background:var(--bg)}.cal-event.task{cursor:grab}.cal-event.exam{font-weight:700}.cal-event.status-done{text-decoration:line-through}.cal-day-view{max-width:720px}
@media(max-width:800px){.shell{display:block}.sidebar{position:fixed;z-index:10;bottom:0;top:auto;width:100%;height:auto;border-right:0;border-top:1px solid var(--border);padding:6px}.sidebar .brand,.sidebar .logout{display:none}.sidebar nav{grid-template-columns:repeat(6,1fr);gap:2px}.sidebar nav a{font-size:.7rem;text-align:center;padding:8px 3px}.content{padding:16px 12px 78px}.topbar{align-items:flex-start}.form-grid{grid-template-columns:1fr}.wide{grid-column:auto}.cal-weekdays{display:none}.cal-grid,.cal-week-grid{grid-template-columns:1fr}.cal-day,.cal-day.compact{min-height:auto}}
/* Correctif 1.1.1 — visibilité des sélecteurs date/heure */
html[data-theme="light"] input[type="date"],
html[data-theme="light"] input[type="time"],
html[data-theme="light"] input[type="datetime-local"] {
    color-scheme: light;
}

html[data-theme="dark"] input[type="date"],
html[data-theme="dark"] input[type="time"],
html[data-theme="dark"] input[type="datetime-local"] {
    color-scheme: dark;
}

@media (prefers-color-scheme: light) {
    html[data-theme="system"] input[type="date"],
    html[data-theme="system"] input[type="time"],
    html[data-theme="system"] input[type="datetime-local"] {
        color-scheme: light;
    }
}

@media (prefers-color-scheme: dark) {
    html[data-theme="system"] input[type="date"],
    html[data-theme="system"] input[type="time"],
    html[data-theme="system"] input[type="datetime-local"] {
        color-scheme: dark;
    }
}

/* Chromium/WebKit : icône visible sur fond clair */
html[data-theme="light"] input::-webkit-calendar-picker-indicator {
    opacity: .75;
    filter: none;
    cursor: pointer;
}
/* Correctif 1.1.2 — sélecteurs date/heure visibles */
input[type="date"],
input[type="time"],
input[type="datetime-local"]{
    position:relative;
}

html[data-theme="light"] input[type="date"],
html[data-theme="light"] input[type="time"],
html[data-theme="light"] input[type="datetime-local"]{
    color-scheme:light !important;
    background-color:#fff !important;
    color:#171717 !important;
}

html[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator,
html[data-theme="light"] input[type="time"]::-webkit-calendar-picker-indicator,
html[data-theme="light"] input[type="datetime-local"]::-webkit-calendar-picker-indicator{
    opacity:1 !important;
    filter:invert(1) !important;
    background-color:#d1d5db;
    border-radius:6px;
    padding:5px;
    cursor:pointer;
}

@media (prefers-color-scheme: light){
    html[data-theme="system"] input[type="date"],
    html[data-theme="system"] input[type="time"],
    html[data-theme="system"] input[type="datetime-local"]{
        color-scheme:light !important;
        background-color:#fff !important;
        color:#171717 !important;
    }

    html[data-theme="system"] input[type="date"]::-webkit-calendar-picker-indicator,
    html[data-theme="system"] input[type="time"]::-webkit-calendar-picker-indicator,
    html[data-theme="system"] input[type="datetime-local"]::-webkit-calendar-picker-indicator{
        opacity:1 !important;
        filter:invert(1) !important;
        background-color:#d1d5db;
        border-radius:6px;
        padding:5px;
        cursor:pointer;
    }
}
/* Correctif 1.1.3 — sélecteurs visibles et thème */
.picker-field{
    display:grid;
    grid-template-columns:1fr auto;
    gap:8px;
    align-items:center;
}
.picker-field input{
    min-width:0;
}
.picker-btn{
    width:44px;
    height:42px;
    border:1px solid var(--border);
    border-radius:10px;
    background:var(--panel);
    color:var(--text);
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-size:1.1rem;
}
.picker-btn:hover{
    background:var(--bg);
}
html[data-theme="light"] input[type="date"]::-webkit-calendar-picker-indicator,
html[data-theme="light"] input[type="time"]::-webkit-calendar-picker-indicator,
html[data-theme="light"] input[type="datetime-local"]::-webkit-calendar-picker-indicator{
    filter:none !important;
    opacity:1 !important;
}
/* Correctif 1.1.4b — matières et thème */
.subject-row .btn{
    width:auto !important;
    min-width:105px;
    justify-self:end;
}
.subject-row > span:last-of-type{
    min-width:0;
}
html[data-theme="light"]{
    color-scheme:light !important;
}
html[data-theme="dark"]{
    color-scheme:dark !important;
}
/* Correctif 1.1.5 — sélecteur unique + sombre plus clair */
.picker-field input[type="date"]::-webkit-calendar-picker-indicator,
.picker-field input[type="time"]::-webkit-calendar-picker-indicator,
.picker-field input[type="datetime-local"]::-webkit-calendar-picker-indicator{
    opacity:0 !important;
    display:none !important;
    pointer-events:none !important;
}

/* Firefox / navigateurs sans pseudo-élément : on garde le champ natif utilisable,
   mais seul le bouton explicite est visuellement mis en avant. */
.picker-field input{
    padding-right:12px;
}

/* Mode sombre légèrement éclairci */
html[data-theme="dark"]{
    --bg:#15181d !important;
    --panel:#20242b !important;
    --text:#f3f4f6 !important;
    --muted:#aeb4bd !important;
    --border:#343a44 !important;
    --accent:#f3f4f6 !important;
    --danger:#f87171 !important;
    --today:#2a3140 !important;
}

@media (prefers-color-scheme: dark){
    html[data-theme="system"]{
        --bg:#15181d !important;
        --panel:#20242b !important;
        --text:#f3f4f6 !important;
        --muted:#aeb4bd !important;
        --border:#343a44 !important;
        --accent:#f3f4f6 !important;
        --danger:#f87171 !important;
        --today:#2a3140 !important;
    }
}

/* Cartes de tâches un peu moins sombres */
html[data-theme="dark"] .status-todo{
    background:rgba(245,158,11,.14);
}
html[data-theme="dark"] .status-in_progress{
    background:rgba(59,130,246,.16);
}
html[data-theme="dark"] .status-done{
    background:rgba(34,197,94,.15);
}
html[data-theme="dark"] .status-postponed{
    background:rgba(168,85,247,.15);
}
html[data-theme="dark"] .status-overdue{
    background:rgba(239,68,68,.15);
}
/* Correctif 1.1.6 — lignes de tâches cliquables */
.task-row[data-edit-url]{
    cursor:pointer;
}
.task-row[data-edit-url]:hover td{
    filter:brightness(1.06);
}
.task-row .actions{
    width:1%;
    white-space:nowrap;
    text-align:right;
}
.task-row .actions form{
    margin:0;
}
.task-row .actions .link-danger{
    padding:6px 8px;
}
/* Correctif 1.1.7 — colonne Supprimer compacte */
.task-row .actions{
    width:90px !important;
    min-width:90px !important;
    padding-left:8px !important;
    padding-right:8px !important;
    text-align:center !important;
    vertical-align:middle !important;
    background:transparent !important;
}
.task-row .actions form{
    display:flex !important;
    align-items:center !important;
    justify-content:center !important;
    margin:0 !important;
    width:100% !important;
}
.task-row .actions .link-danger{
    display:inline-flex !important;
    align-items:center !important;
    justify-content:center !important;
    width:auto !important;
    padding:4px 6px !important;
    line-height:1.2 !important;
    background:transparent !important;
    border:0 !important;
    white-space:nowrap !important;
}
.task-row .actions .link-danger:hover{
    text-decoration:underline;
}