/* =============================================================
   AM-WORKLOAD — PREMIUM BUTTONS V2
   Refonte complète : alignement, icones, hover, focus, disabled,
   loading, sizing cohérent, micro-interactions premium
   ============================================================= */

/* ================ FIX LAYOUT : main-container laisse la place pour la citation top-right ================ */
.main-container {
    padding-top: 80px !important;
}
/* On allège quand pas de citation visible (la classe est posée par JS) */
html:not(.has-citation) .main-container {
    padding-top: 24px !important;
}

/* Sur les pages "Mon Profil" / Listes, garder le padding pour la cohérence visuelle */

/* ================ BASE BUTTON ================ */
.btn {
    --btn-pad-y: 10px;
    --btn-pad-x: 18px;
    --btn-radius: 11px;
    --btn-font: 0.9em;
    --btn-icon-size: 1em;
    --btn-gap: 8px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--btn-gap);
    padding: var(--btn-pad-y) var(--btn-pad-x);
    border-radius: var(--btn-radius);
    font-size: var(--btn-font);
    font-weight: 600;
    font-family: inherit;
    line-height: 1.2;
    letter-spacing: -0.005em;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    user-select: none;
    white-space: nowrap;
    position: relative;
    isolation: isolate;
    box-shadow: var(--shadow-xs);
    transition:
        background 180ms var(--easing-out),
        border-color 180ms var(--easing-out),
        color 180ms var(--easing-out),
        box-shadow 200ms var(--easing-out),
        transform 120ms var(--easing-out),
        opacity 180ms var(--easing-out),
        filter 180ms var(--easing-out);
}
.btn > i,
.btn > .fa,
.btn > .fas,
.btn > .far,
.btn > .fab {
    font-size: var(--btn-icon-size);
    line-height: 1;
    flex-shrink: 0;
    width: 1em;
    text-align: center;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* États interactifs */
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); transition-duration: 60ms; }
.btn:focus { outline: none; }
.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.35), var(--shadow-sm);
    z-index: 2;
}
.btn[disabled],
.btn:disabled,
.btn.is-disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none !important;
    pointer-events: none;
    filter: grayscale(0.25);
}

/* Loading state (.is-loading) */
.btn.is-loading {
    color: transparent !important;
    pointer-events: none;
    position: relative;
}
.btn.is-loading::after {
    content: "";
    position: absolute;
    width: 1em;
    height: 1em;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    color: #fff;
    animation: btnSpin 0.7s linear infinite;
}
@keyframes btnSpin { to { transform: rotate(360deg); } }
.btn.btn-secondary.is-loading::after,
.btn.btn-outline.is-loading::after { color: var(--brand-500); }

/* ================ TAILLES ================ */
.btn-sm {
    --btn-pad-y: 7px;
    --btn-pad-x: 13px;
    --btn-radius: 9px;
    --btn-font: 0.82em;
    --btn-gap: 6px;
}
.btn-lg {
    --btn-pad-y: 13px;
    --btn-pad-x: 24px;
    --btn-radius: 13px;
    --btn-font: 1em;
    --btn-icon-size: 1.05em;
    --btn-gap: 10px;
}
.btn-xs {
    --btn-pad-y: 5px;
    --btn-pad-x: 10px;
    --btn-radius: 7px;
    --btn-font: 0.75em;
    --btn-gap: 5px;
}

/* ================ VARIANTES couleur ================ */

/* Primary (indigo gradient) */
.btn-primary {
    background: linear-gradient(135deg, var(--brand-500) 0%, var(--accent-500) 100%);
    color: #fff;
    box-shadow: 0 4px 12px -3px rgba(102, 126, 234, 0.50), 0 1px 2px rgba(15, 23, 42, 0.08);
}
.btn-primary:hover {
    box-shadow: 0 8px 22px -4px rgba(102, 126, 234, 0.65), 0 2px 4px rgba(15, 23, 42, 0.10);
    filter: brightness(1.05);
}
.btn-primary:focus-visible {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.45), 0 4px 12px -3px rgba(102, 126, 234, 0.50);
}

/* Success */
.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 4px 12px -3px rgba(16, 185, 129, 0.50), 0 1px 2px rgba(15, 23, 42, 0.08);
}
.btn-success:hover {
    box-shadow: 0 8px 22px -4px rgba(16, 185, 129, 0.65);
    filter: brightness(1.05);
}
.btn-success:focus-visible {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.45), 0 4px 12px -3px rgba(16, 185, 129, 0.50);
}

/* Danger */
.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
    box-shadow: 0 4px 12px -3px rgba(239, 68, 68, 0.50), 0 1px 2px rgba(15, 23, 42, 0.08);
}
.btn-danger:hover {
    box-shadow: 0 8px 22px -4px rgba(239, 68, 68, 0.65);
    filter: brightness(1.05);
}
.btn-danger:focus-visible {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.45), 0 4px 12px -3px rgba(239, 68, 68, 0.50);
}

/* Warning */
.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    box-shadow: 0 4px 12px -3px rgba(245, 158, 11, 0.50);
}
.btn-warning:hover { filter: brightness(1.05); }

/* Info */
.btn-info {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: #fff;
    box-shadow: 0 4px 12px -3px rgba(59, 130, 246, 0.50);
}
.btn-info:hover { filter: brightness(1.05); }

/* Secondary (light surface) */
.btn-secondary {
    background: var(--surface-card);
    color: var(--text-base);
    border-color: var(--border-base);
    box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
    background: var(--surface-soft);
    border-color: var(--border-strong);
    color: var(--text-strong);
    box-shadow: var(--shadow-sm);
}

/* Outline */
.btn-outline {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border-base);
    box-shadow: none;
}
.btn-outline:hover {
    background: var(--brand-50);
    color: var(--brand-700);
    border-color: var(--brand-300);
}

/* Ghost (no border, hover-only) */
.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border-color: transparent;
    box-shadow: none;
}
.btn-ghost:hover { background: var(--surface-soft); color: var(--text-base); }

/* ================ ICONE-ONLY ================ */
.btn-icon,
.btn-icon-sm {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 11px;
    background: var(--surface-card);
    border: 1px solid var(--border-base);
    color: var(--text-muted);
    cursor: pointer;
    box-shadow: var(--shadow-xs);
    flex-shrink: 0;
    transition:
        background 180ms var(--easing-out),
        color 180ms var(--easing-out),
        border-color 180ms var(--easing-out),
        box-shadow 200ms var(--easing-out),
        transform 120ms var(--easing-out);
}
.btn-icon { width: 40px; height: 40px; font-size: 0.95em; }
.btn-icon-sm { width: 32px; height: 32px; font-size: 0.82em; border-radius: 9px; }
.btn-icon-xl { width: 48px; height: 48px; font-size: 1.1em; border-radius: 13px; }

.btn-icon:hover,
.btn-icon-sm:hover {
    background: var(--brand-50);
    color: var(--brand-700);
    border-color: var(--brand-300);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}
.btn-icon:active,
.btn-icon-sm:active { transform: translateY(0); }
.btn-icon:focus-visible,
.btn-icon-sm:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.35);
}

.btn-icon.danger:hover,
.btn-icon-sm.danger:hover {
    background: rgba(239, 68, 68, 0.10);
    color: var(--danger-600);
    border-color: rgba(239, 68, 68, 0.30);
}

/* ================ INLINE CREATE (dashed circle) ================ */
.btn-inline-create {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    padding: 0;
    border: 1px dashed var(--brand-300);
    border-radius: 9px;
    background: var(--brand-50);
    color: var(--brand-600);
    cursor: pointer;
    font-size: 0.78em;
    font-weight: 700;
    transition: all 140ms var(--easing-out);
    box-shadow: var(--shadow-xs);
}
.btn-inline-create:hover {
    background: linear-gradient(135deg, var(--brand-500), var(--accent-500));
    color: #fff;
    border-style: solid;
    border-color: transparent;
    transform: translateY(-1px) rotate(90deg);
    box-shadow: var(--shadow-brand-sm);
}
.btn-inline-create:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.35);
}

/* ================ VIEW TOGGLE ================ */
.view-toggle {
    display: inline-flex;
    gap: 2px;
    background: var(--surface-soft);
    border: 1px solid var(--border-soft);
    border-radius: 11px;
    padding: 3px;
    box-shadow: var(--shadow-xs);
}
.btn-view {
    background: transparent;
    border: none;
    padding: 7px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85em;
    font-weight: 600;
    color: var(--text-soft);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 140ms var(--easing-out);
    white-space: nowrap;
}
.btn-view:hover {
    background: var(--surface-card);
    color: var(--text-base);
}
.btn-view.active {
    background: linear-gradient(135deg, var(--brand-500), var(--accent-500));
    color: #fff;
    box-shadow: var(--shadow-brand-sm);
}
.btn-view:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.30);
}

/* Variant : view-toggle "soft" (use white card on selected) */
.view-toggle.is-soft .btn-view.active {
    background: var(--surface-card);
    color: var(--brand-700);
    box-shadow: var(--shadow-sm);
}

/* ================ FAVORIS (Plan de Charge) ================ */
.fav-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border: 1px solid var(--border-base);
    background: var(--surface-card);
    color: var(--text-base);
    border-radius: 999px;
    font-family: inherit;
    font-size: 0.82em;
    font-weight: 600;
    cursor: pointer;
    transition: all 140ms var(--easing-out);
    box-shadow: var(--shadow-xs);
    white-space: nowrap;
}
.fav-btn i { color: var(--brand-500); font-size: 0.9em; }
.fav-btn:hover {
    background: var(--brand-50);
    border-color: var(--brand-300);
    color: var(--brand-700);
    transform: translateY(-1px);
}
.fav-btn-moi {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 10px -2px rgba(245, 158, 11, 0.45);
}
.fav-btn-moi:hover {
    background: linear-gradient(135deg, #f59e0b, #ea580c);
    color: #fff;
    border-color: transparent;
    filter: brightness(1.05);
}
.fav-btn-moi i { color: #fff; }

.fav-add-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 30px; height: 30px;
    padding: 0 !important;
    background: var(--surface-card);
    border: 1px solid var(--border-base);
    color: #f59e0b;
    border-radius: 9px;
    cursor: pointer;
    transition: all 140ms;
    flex-shrink: 0;
}
.fav-add-btn:hover {
    background: linear-gradient(135deg, #fde68a, #fcd34d);
    color: #92400e;
    border-color: #f59e0b;
    transform: translateY(-1px) scale(1.05);
}

/* ================ ALERTES BUTTON (special) ================ */
#btnAlerts {
    background: linear-gradient(135deg, #ef4444, #dc2626) !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 4px 12px -3px rgba(239, 68, 68, 0.50) !important;
    position: relative !important;
}
#btnAlerts:hover {
    box-shadow: 0 8px 22px -4px rgba(239, 68, 68, 0.65) !important;
    filter: brightness(1.05);
}
#btnAlerts .alerts-badge {
    background: #fff !important;
    color: #b91c1c !important;
    font-weight: 800 !important;
    border-radius: 999px !important;
    padding: 0 6px !important;
    min-width: 18px !important;
    height: 18px !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 0.72em !important;
    border: 2px solid #b91c1c !important;
    line-height: 1 !important;
    margin-left: 4px;
}

/* ================ FILTRE TAGS ================ */
.filter-tag {
    box-shadow: var(--shadow-brand-sm);
    transition: all 140ms;
}
.filter-tag:hover { transform: translateY(-1px); }

/* ================ LINK STYLES ================ */
a.btn { text-decoration: none !important; }
a.btn:visited { color: inherit; }

/* ================ HEADER BAR refinements ================ */
.header-bar {
    align-items: flex-start !important;
    gap: 16px !important;
    margin-bottom: 16px !important;
}
.header-bar .header-right,
.filters-bar .filter-group-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

/* ================ FILTERS BAR ACTIONS : groupement et alignement ================ */
.filter-group-actions {
    margin-left: auto;
    align-items: center !important;
}
.filter-group-actions > * { flex-shrink: 0; }

/* ================ SEND COMMENT BUTTON ================ */
.btn-send-comment {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--brand-500), var(--accent-500));
    color: #fff;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-brand-sm);
    transition: all 140ms var(--easing-out);
}
.btn-send-comment:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-brand);
    filter: brightness(1.05);
}
.btn-send-comment:active { transform: translateY(0); }
.btn-send-comment:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.35), var(--shadow-brand-sm);
}

/* ================ BULK FILL ================ */
.btn-bulk-fill {
    width: 26px;
    height: 26px;
    color: var(--brand-500);
    border-radius: 999px;
    transition: all 140ms;
}
.btn-bulk-fill:hover {
    background: linear-gradient(135deg, var(--brand-500), var(--accent-500));
    color: #fff;
    transform: scale(1.15);
    box-shadow: var(--shadow-brand-sm);
}

/* ================ MODAL footer buttons ================ */
.modal-footer .btn {
    --btn-pad-y: 10px;
    --btn-pad-x: 18px;
}
.modal-footer .btn-primary { font-weight: 700; }
.modal-footer .btn-secondary { background: transparent; border-color: var(--border-base); }

/* ================ DARK MODE ================ */
[data-theme="dark"] .btn-secondary {
    background: var(--surface-card);
    border-color: var(--border-base);
    color: var(--text-base);
}
[data-theme="dark"] .btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
    color: var(--text-strong);
}
[data-theme="dark"] .btn-outline {
    color: var(--text-muted);
    border-color: var(--border-base);
}
[data-theme="dark"] .btn-outline:hover {
    background: rgba(129, 140, 248, 0.10);
    color: #c7d2fe;
    border-color: rgba(129, 140, 248, 0.40);
}
[data-theme="dark"] .btn-icon,
[data-theme="dark"] .btn-icon-sm {
    background: var(--surface-card);
    border-color: var(--border-base);
    color: var(--text-muted);
}
[data-theme="dark"] .btn-icon:hover,
[data-theme="dark"] .btn-icon-sm:hover {
    background: rgba(129, 140, 248, 0.12);
    color: #c7d2fe;
    border-color: rgba(129, 140, 248, 0.40);
}
[data-theme="dark"] .fav-btn {
    background: var(--surface-card);
    border-color: var(--border-base);
    color: var(--text-base);
}
[data-theme="dark"] .fav-btn:hover {
    background: rgba(129, 140, 248, 0.12);
    color: #c7d2fe;
    border-color: rgba(129, 140, 248, 0.30);
}
[data-theme="dark"] .btn-view:hover { background: var(--surface-hover); color: var(--text-base); }
[data-theme="dark"] .view-toggle.is-soft .btn-view.active { color: #c7d2fe; }
[data-theme="dark"] .btn-inline-create {
    background: rgba(129, 140, 248, 0.10);
    border-color: rgba(129, 140, 248, 0.30);
    color: #a5b4fc;
}
[data-theme="dark"] .btn-inline-create:hover {
    background: linear-gradient(135deg, var(--brand-500), var(--accent-500));
    color: #fff;
    border-color: transparent;
}

/* ================ RESPONSIVE ================ */
@media (max-width: 768px) {
    .btn { --btn-pad-x: 14px; }
    .header-bar .header-right { width: 100%; justify-content: flex-end; }
    .filter-group-actions { width: 100%; }
    .main-container { padding-top: 90px !important; }
}

/* Print friendly */
@media print {
    .btn, .btn-icon, .btn-icon-sm { box-shadow: none !important; transform: none !important; }
    .nav-citation-ticker { display: none !important; }
}