/* =====================================================================
   TaskHub — komponenty wielokrotnego użytku
   ===================================================================== */

/* --- Przyciski --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    padding: 9px 16px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: var(--color-surface-sunken);
    color: var(--color-text-primary);
    transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}
.btn:hover { background: var(--color-surface-hover); }
.btn:active { transform: scale(0.97); }

.btn--primary {
    background: var(--color-accent);
    color: var(--color-text-on-accent);
}
.btn--primary:hover { background: var(--color-accent-hover); }

.btn--danger {
    background: var(--color-danger-soft);
    color: var(--color-danger);
}
.btn--danger:hover { filter: brightness(0.97); }

.btn--ghost {
    background: transparent;
}
.btn--ghost:hover { background: var(--color-surface-hover); }

.btn--icon {
    padding: 8px;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-secondary);
}
.btn--icon:hover { background: var(--color-surface-hover); color: var(--color-text-primary); }

.btn--sm { padding: 6px 12px; font-size: var(--font-size-xs); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* --- Pola formularzy --- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-4); }
.field label { font-size: var(--font-size-xs); font-weight: 600; color: var(--color-text-secondary); }

.input, .select, .textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.input:focus, .select:focus, .textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}
.textarea { resize: vertical; min-height: 70px; font-family: inherit; }

.field-row { display: flex; gap: var(--space-3); }
.field-row .field { flex: 1; }

/* --- Karty / powierzchnie --- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

/* --- Odznaki priorytetu i kategorii --- */
.priority-dot {
    width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0;
    background: var(--color-priority-none);
}
.priority-dot--low { background: var(--color-priority-low); }
.priority-dot--medium { background: var(--color-priority-medium); }
.priority-dot--high { background: var(--color-priority-high); }
.priority-dot--urgent { background: var(--color-priority-urgent); box-shadow: 0 0 0 3px var(--color-danger-soft); }

.chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: var(--color-surface-sunken);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.chip--overdue { background: var(--color-danger-soft); color: var(--color-danger); }
.chip--today { background: var(--color-accent-soft); color: var(--color-accent); }

/* --- Checkbox okrągły zadania --- */
.task-check {
    width: 21px; height: 21px; border-radius: 50%;
    border: 2px solid var(--color-border-strong);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; background: var(--color-surface);
    transition: all var(--transition-fast);
}
.task-check:hover { border-color: var(--color-accent); }
.task-check svg { opacity: 0; transform: scale(0.5); transition: all var(--transition-fast); }
.task-check.is-done {
    background: var(--color-success);
    border-color: var(--color-success);
}
.task-check.is-done svg { opacity: 1; transform: scale(1); color: white; }

/* --- Wiersz zadania --- */
.task-row {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
    animation: task-in var(--transition-base) both;
}
.task-row:hover { background: var(--color-surface-hover); }
.task-row__body { flex: 1; min-width: 0; }
.task-row__title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-text-primary);
    word-break: break-word;
}
.task-row.is-done .task-row__title {
    color: var(--color-text-tertiary);
    text-decoration: line-through;
}
.task-row__meta {
    display: flex; align-items: center; gap: var(--space-2);
    margin-top: 5px; flex-wrap: wrap;
}
.task-row__meta-item {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    display: flex; align-items: center; gap: 4px;
}

@keyframes task-in {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}
.task-row.is-removing {
    animation: task-out var(--transition-base) both;
}
@keyframes task-out {
    to { opacity: 0; transform: translateX(12px) scale(0.98); max-height: 0; padding: 0; margin: 0; }
}

/* --- Sekcje list --- */
.section-title {
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin: var(--space-6) 0 var(--space-2);
}
.section-title:first-child { margin-top: 0; }

.empty-state {
    padding: var(--space-10) var(--space-4);
    text-align: center;
    color: var(--color-text-tertiary);
}
.empty-state__icon { font-size: 32px; margin-bottom: var(--space-2); }

/* --- Kafelki statystyk (dashboard) --- */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-3);
    margin: var(--space-6) 0;
}
.stat-tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}
.stat-tile__value { font-size: var(--font-size-xl); font-weight: 700; }
.stat-tile__label { font-size: var(--font-size-xs); color: var(--color-text-secondary); margin-top: 2px; }
.stat-tile--overdue .stat-tile__value { color: var(--color-danger); }

@media (max-width: 640px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Pasek postępu --- */
.progress-bar {
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--color-surface-sunken);
    overflow: hidden;
}
.progress-bar__fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* --- Nawigacja boczna --- */
.nav-brand {
    display: flex; align-items: center; gap: var(--space-2);
    padding: var(--space-2) var(--space-2);
    font-weight: 700; font-size: var(--font-size-md);
}
.nav-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
    display: flex; align-items: center; gap: var(--space-3);
    padding: 9px var(--space-3);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: background var(--transition-fast), color var(--transition-fast);
    position: relative;
}
.nav-item:hover { background: var(--color-surface-hover); color: var(--color-text-primary); }
.nav-item.is-active { background: var(--color-accent-soft); color: var(--color-accent); }
.nav-item__count {
    margin-left: auto;
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    font-weight: 600;
}
.nav-item.is-active .nav-item__count { color: var(--color-accent); }

.nav-category-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* --- Przełącznik obszaru (Praca / Prywatne) --- */
.area-switcher {
    display: flex;
    gap: 2px;
    background: var(--color-surface-sunken);
    border-radius: var(--radius-full);
    padding: 3px;
}
.area-switcher__option {
    flex: 1;
    border: none;
    background: transparent;
    padding: 7px 10px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-text-secondary);
    white-space: nowrap;
    transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}
.area-switcher__option.is-active {
    background: var(--color-accent);
    color: var(--color-text-on-accent);
    box-shadow: var(--shadow-sm);
}
.area-switcher--compact { padding: 2px; flex-shrink: 0; }
.area-switcher--compact .area-switcher__option { padding: 6px 9px; font-size: var(--font-size-base); }

.area-badge {
    display: inline-flex;
    align-items: center;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-text-secondary);
    background: var(--color-surface-sunken);
    padding: 3px 10px;
    border-radius: var(--radius-full);
    margin-left: var(--space-2);
    vertical-align: middle;
}

.nav-divider { height: 1px; background: var(--color-border); margin: var(--space-1) 0; flex-shrink: 0; }

/* --- Odznaki stanu (projekty) --- */
.chip--done { background: var(--color-success-soft); color: var(--color-success); }
.chip--archived { background: var(--color-surface-sunken); color: var(--color-text-tertiary); }

/* --- Szkielety ładowania --- */
.skeleton-line {
    height: 14px;
    border-radius: var(--radius-sm);
    background: linear-gradient(90deg, var(--color-surface-sunken) 25%, var(--color-surface-hover) 37%, var(--color-surface-sunken) 63%);
    background-size: 400% 100%;
    animation: skeleton-pulse 1.6s ease infinite;
}
@keyframes skeleton-pulse {
    0% { background-position: 100% 50%; }
    100% { background-position: 0 50%; }
}
.empty-state--compact { padding: var(--space-4); font-size: var(--font-size-sm); }

/* --- Modal --- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(10, 11, 15, 0.44);
    backdrop-filter: blur(2px);
    display: flex; align-items: flex-start; justify-content: center;
    padding: 6vh var(--space-4);
    z-index: 100;
    animation: overlay-in var(--transition-base) both;
}
@keyframes overlay-in { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 520px;
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    animation: modal-in var(--transition-slow) both;
}
@keyframes modal-in {
    from { opacity: 0; transform: translateY(14px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal--sm { max-width: 400px; }
.modal--lg { max-width: 680px; }

.modal__header {
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
}
.modal__title { font-size: var(--font-size-md); font-weight: 700; }
.modal__body { padding: var(--space-5); overflow-y: auto; }
.modal__footer {
    display: flex; align-items: center; justify-content: flex-end; gap: var(--space-2);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border);
}
.modal__footer--split { justify-content: space-between; }

/* --- Podzadania w modalu --- */
.subtask-row { display: flex; align-items: center; gap: var(--space-2); padding: 6px 0; }
.subtask-row .input { flex: 1; border: none; background: transparent; padding: 4px 0; }
.subtask-row .input:focus { box-shadow: none; }
.subtask-progress { font-size: var(--font-size-xs); color: var(--color-text-tertiary); margin-bottom: var(--space-2); }

/* --- Wybór priorytetu (segmentowany) --- */
.segmented { display: flex; gap: 6px; flex-wrap: wrap; }
.segmented__option {
    flex: 1;
    text-align: center;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    display: flex; align-items: center; justify-content: center; gap: 6px;
    transition: all var(--transition-fast);
}
.segmented__option.is-selected {
    background: var(--color-accent-soft);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* --- Wybór koloru / ikony kategorii --- */
.swatch-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch {
    width: 30px; height: 30px; border-radius: 50%;
    border: 2px solid transparent;
    display: flex; align-items: center; justify-content: center;
    transition: transform var(--transition-fast);
}
.swatch:hover { transform: scale(1.1); }
.swatch.is-selected { border-color: var(--color-text-primary); }

.icon-grid { display: flex; flex-wrap: wrap; gap: 6px; }
.icon-option {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 17px; background: var(--color-surface-sunken);
    border: 1px solid transparent;
}
.icon-option.is-selected { border-color: var(--color-accent); background: var(--color-accent-soft); }

/* --- Toasty --- */
#toast-container {
    position: fixed; bottom: var(--space-5); right: var(--space-5);
    display: flex; flex-direction: column; gap: var(--space-2);
    z-index: 300;
}
.toast {
    background: var(--color-text-primary);
    color: var(--color-bg);
    padding: 11px 16px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-md);
    animation: toast-in var(--transition-base) both;
}
.toast--error { background: var(--color-danger); color: white; }
@keyframes toast-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
    #toast-container { left: var(--space-4); right: var(--space-4); bottom: calc(var(--space-12) + var(--space-4)); }
}