/**
 * KEYBOARD SHORTCUTS - PharmData Design System v3.0
 *
 * Estilos para indicadores de atalhos de teclado e estados de foco
 *
 * Atalhos padrão para workflow de curadoria:
 * - A = Aprovar
 * - R = Rejeitar
 * - N / → = Próximo
 * - P / ← = Anterior
 * - E = Editar
 * - S = Salvar
 * - Esc = Cancelar/Fechar
 */

/* ===================
   CSS CUSTOM PROPERTIES
   =================== */

:root {
    --kbd-bg: var(--arctic-mist);
    --kbd-text: var(--graphite-depth);
    --kbd-border: var(--soft-arctic);
    --kbd-shadow: 0 2px 0 var(--soft-steel);
}

:root.dark-mode {
    --kbd-bg: var(--soft-arctic);
    --kbd-text: var(--graphite-depth);
    --kbd-border: rgba(183, 228, 213, 0.2);
    --kbd-shadow: 0 2px 0 rgba(0, 0, 0, 0.4);
}

/* ===================
   KBD ELEMENT STYLES
   =================== */

kbd,
.kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.5rem;
    padding: 0.2rem 0.4rem;
    font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Monaco, Consolas, monospace;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    color: var(--kbd-text);
    background: var(--kbd-bg);
    border: 1px solid var(--kbd-border);
    border-radius: 0.25rem;
    box-shadow: var(--kbd-shadow);
    white-space: nowrap;
}

kbd.kbd-sm,
.kbd-sm {
    min-width: 1.25rem;
    padding: 0.125rem 0.25rem;
    font-size: 0.625rem;
}

kbd.kbd-lg,
.kbd-lg {
    min-width: 2rem;
    padding: 0.375rem 0.625rem;
    font-size: 0.875rem;
}

/* Key combinations */
.kbd-combo {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.kbd-combo .kbd-separator {
    color: var(--soft-steel);
    font-size: 0.75rem;
}

/* ===================
   SHORTCUT HINT TOOLTIP
   Mostra dica de atalho ao hover
   =================== */

.has-shortcut {
    position: relative;
}

.has-shortcut::after {
    content: attr(data-shortcut);
    position: absolute;
    top: -0.25rem;
    right: -0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.25rem;
    font-family: ui-monospace, SFMono-Regular, monospace;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--cloud);
    background: var(--teal-intense);
    border-radius: 0.25rem;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.15s ease;
    pointer-events: none;
    z-index: 10;
}

.has-shortcut:hover::after,
.has-shortcut:focus-within::after {
    opacity: 1;
    transform: scale(1);
}

/* Always show shortcuts mode */
.show-shortcuts .has-shortcut::after {
    opacity: 0.8;
    transform: scale(1);
}

/* ===================
   SHORTCUT LEGEND PANEL
   =================== */

.shortcuts-legend {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    max-width: 320px;
    padding: 1rem;
    background: var(--cloud);
    border: 1px solid var(--soft-arctic);
    border-radius: 0.75rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all 0.2s ease;
}

.shortcuts-legend.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.shortcuts-legend-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--soft-arctic);
}

.shortcuts-legend-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--graphite-depth);
}

.shortcuts-legend-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    font-size: 1rem;
    color: var(--soft-steel);
    background: none;
    border: none;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.shortcuts-legend-close:hover {
    color: var(--graphite-depth);
    background: var(--arctic-mist);
}

.shortcuts-legend-list {
    display: grid;
    gap: 0.5rem;
}

.shortcuts-legend-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.25rem 0;
}

.shortcuts-legend-action {
    font-size: 0.8125rem;
    color: var(--soft-steel);
}

.shortcuts-legend-keys {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ===================
   ACTION BUTTONS WITH SHORTCUTS
   =================== */

/* Approve button */
.btn-approve {
    background: var(--success);
    color: white;
}

.btn-approve:hover {
    background: #059669;
}

.btn-approve[data-shortcut="A"]::after {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

/* Reject button */
.btn-reject {
    background: var(--error);
    color: white;
}

.btn-reject:hover {
    background: #dc2626;
}

.btn-reject[data-shortcut="R"]::after {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

/* Navigation buttons */
.btn-prev,
.btn-next {
    background: var(--arctic-mist);
    color: var(--graphite-depth);
    border: 1px solid var(--soft-arctic);
}

.btn-prev:hover,
.btn-next:hover {
    background: var(--soft-arctic);
    border-color: var(--teal-intense);
}

/* ===================
   KEYBOARD FOCUS INDICATOR
   Indica que keyboard mode está ativo
   =================== */

.keyboard-active {
    /* Classe adicionada ao body quando navegando via teclado */
}

.keyboard-active *:focus {
    outline: 2px solid var(--teal-intense);
    outline-offset: 2px;
}

.keyboard-active .btn:focus,
.keyboard-active button:focus {
    box-shadow: 0 0 0 3px rgba(26, 139, 125, 0.3);
}

/* ===================
   WORKFLOW ACTION BAR
   Barra fixa com ações de workflow
   =================== */

.workflow-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--cloud);
    border-top: 1px solid var(--soft-arctic);
}

.workflow-actions.sticky {
    position: sticky;
    bottom: 0;
    z-index: 100;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.05);
}

.workflow-actions-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.workflow-actions-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.workflow-actions-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Counter/Progress */
.workflow-counter {
    font-size: 0.8125rem;
    color: var(--soft-steel);
}

.workflow-counter strong {
    color: var(--graphite-depth);
}

/* ===================
   TOGGLE FOR SHORTCUTS VISIBILITY
   =================== */

.shortcuts-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    color: var(--soft-steel);
    background: transparent;
    border: 1px solid var(--soft-arctic);
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.shortcuts-toggle:hover {
    color: var(--graphite-depth);
    background: var(--arctic-mist);
    border-color: var(--teal-intense);
}

.shortcuts-toggle.active {
    color: var(--teal-intense);
    border-color: var(--teal-intense);
    background: rgba(26, 139, 125, 0.08);
}

.shortcuts-toggle-icon {
    font-size: 0.875rem;
}

/* Dark mode */
:root.dark-mode .shortcuts-legend,
[data-theme="dark"] .shortcuts-legend {
    background: var(--arctic-mist);
    border-color: rgba(183, 228, 213, 0.1);
}

:root.dark-mode .workflow-actions,
[data-theme="dark"] .workflow-actions {
    background: var(--arctic-mist);
    border-color: rgba(183, 228, 213, 0.1);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.2);
}

/* ===================
   ACCESSIBILITY
   =================== */

@media (prefers-reduced-motion: reduce) {
    .has-shortcut::after,
    .shortcuts-legend {
        transition: none;
    }
}

/* Skip to content link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.5rem;
    background: var(--emerald-abyss);
    color: white;
    font-weight: 600;
    border-radius: 0 0 0.5rem 0.5rem;
    z-index: 9999;
    transition: top 0.15s ease;
}

.skip-link:focus {
    top: 0;
}