/* =============================================================================
   Maestro Workflow · Componentes base reutilizáveis
   -----------------------------------------------------------------------------
   Conjunto de componentes "neutros" estilo Document, adaptado pra estética
   premium / corporate. As páginas devem preferir estas classes em vez de
   reinventar (.btn, .form-input, .card, .badge, .empty-state, etc.).

   Coexiste com o vocabulário legado .mw-* (botões/cards antigos do Workflow).
   Migração das páginas é gradual.
   ============================================================================= */

/* ====================================================================
   BUTTONS
   ==================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    height: var(--btn-height);
    padding: 0 var(--space-4);
    font-family: var(--font-family-sans);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-colors), box-shadow var(--transition), transform var(--transition);
    user-select: none;
    color: var(--text-primary);
    background-color: var(--bg-surface);
}

.btn:hover {
    text-decoration: none;
}

.btn:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn:disabled,
.btn.disabled,
.btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
}

.btn i {
    font-size: var(--font-size-base);
    line-height: 1;
}

/* sizes */
.btn-sm {
    height: var(--btn-height-sm);
    padding: 0 var(--space-3);
    font-size: var(--font-size-sm);
    border-radius: var(--radius);
}
.btn-sm i { font-size: var(--font-size-sm); }

.btn-lg {
    height: var(--btn-height-lg);
    padding: 0 var(--space-6);
    font-size: var(--font-size-md);
}

/* variants */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-primary-sm);
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--text-on-primary);
    box-shadow: var(--shadow-primary);
}
.btn-primary:active {
    background-color: var(--color-primary-active);
    box-shadow: var(--shadow-primary-sm);
}

.btn-secondary {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-xs);
}
.btn-secondary:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-color-strong);
    color: var(--text-primary);
}
.btn-secondary:active {
    background-color: var(--bg-active);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}
.btn-ghost:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.btn-danger {
    background-color: var(--color-danger);
    color: var(--text-inverse);
}
.btn-danger:hover {
    background-color: var(--color-danger-hover);
    color: var(--text-inverse);
}
.btn-danger:focus-visible {
    box-shadow: var(--shadow-focus-danger);
}

.btn-success {
    background-color: var(--color-success);
    color: var(--text-inverse);
}
.btn-success:hover {
    background-color: var(--color-success-hover);
    color: var(--text-inverse);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline-primary:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-hover);
}

.btn-outline-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border-color: var(--border-color);
}
.btn-outline-secondary:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-color-strong);
}

.btn-outline-danger {
    background-color: transparent;
    color: var(--color-danger);
    border-color: var(--color-danger);
}
.btn-outline-danger:hover {
    background-color: var(--color-danger-light);
    color: var(--color-danger-hover);
}

/* icon button */
.btn-icon {
    width: var(--btn-height);
    height: var(--btn-height);
    padding: 0;
    border-radius: var(--radius-md);
}
.btn-icon.btn-sm  { width: var(--btn-height-sm); height: var(--btn-height-sm); border-radius: var(--radius); }
.btn-icon.btn-lg  { width: var(--btn-height-lg); height: var(--btn-height-lg); }

/* button group */
.btn-group {
    display: inline-flex;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
}
.btn-group .btn {
    border-radius: 0;
    box-shadow: none;
}
.btn-group .btn:not(:first-child) {
    margin-left: -1px;
}

/* loading state */
.btn-loading {
    pointer-events: none;
    position: relative;
    color: transparent !important;
}
.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-radius: 50%;
    border-top-color: transparent;
    animation: btn-spin 0.6s linear infinite;
    color: var(--text-on-primary);
}
.btn-secondary.btn-loading::after,
.btn-ghost.btn-loading::after,
.btn-outline-primary.btn-loading::after,
.btn-outline-secondary.btn-loading::after {
    color: var(--text-primary);
}

@keyframes btn-spin {
    to { transform: rotate(360deg); }
}

/* ====================================================================
   FORMS
   ==================================================================== */

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.form-label.required::after {
    content: ' *';
    color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea {
    display: block;
    width: 100%;
    height: var(--input-height);
    padding: 0 var(--space-3);
    font-family: inherit;
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-colors), box-shadow var(--transition);
    box-shadow: var(--shadow-input);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-placeholder);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
    border-color: var(--color-gray-400);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
    outline: none;
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--bg-disabled);
    color: var(--text-disabled);
    cursor: not-allowed;
}

.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-danger);
}
.form-input.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
    box-shadow: var(--shadow-focus-danger);
}

.form-input-sm { height: var(--input-height-sm); font-size: var(--font-size-sm); padding: 0 var(--space-2); }
.form-input-lg { height: var(--input-height-lg); font-size: var(--font-size-md); padding: 0 var(--space-4); }

.form-textarea {
    height: auto;
    min-height: 96px;
    padding: var(--space-3);
    line-height: var(--line-height-normal);
    resize: vertical;
}

.form-select {
    padding-right: var(--space-8);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    cursor: pointer;
}

/* check / radio */
.form-check {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin: 0;
    border: 2px solid var(--border-color-strong);
    border-radius: var(--radius-sm);
    background-color: var(--bg-surface);
    cursor: pointer;
    transition: var(--transition-colors);
    -webkit-appearance: none;
    appearance: none;
    flex-shrink: 0;
}

.form-check-input[type="radio"] {
    border-radius: var(--radius-full);
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input:checked::before {
    content: '';
    display: block;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.form-check-input[type="radio"]:checked::before {
    background-image: none;
    background-color: var(--text-inverse);
    width: 8px;
    height: 8px;
    margin: 3px;
    border-radius: var(--radius-full);
}

.form-check-input:focus-visible {
    box-shadow: var(--shadow-focus);
    outline: none;
}

.form-check-label {
    font-size: var(--font-size-base);
    color: var(--text-primary);
    cursor: pointer;
}

/* switch */
.form-switch {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
}

/* Especificidade acima de reset.css input[type=checkbox]{appearance:auto} */
input.form-switch-input[type="checkbox"] {
    position: relative;
    width: 38px;
    height: 22px;
    margin: 0;
    padding: 0;
    border: 0;
    background-color: var(--color-gray-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-colors);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    flex-shrink: 0;
}

.form-switch-input::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background-color: var(--text-inverse);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition);
}

/* Mesma especificidade da regra base (input …[type="checkbox"]), senão o fundo
   cinza vence em cascata e o trilho fica igual ligado/desligado. */
input.form-switch-input[type="checkbox"]:checked {
    background-color: var(--color-primary);
}
input.form-switch-input[type="checkbox"]:checked::before {
    transform: translateX(16px);
}

.form-switch-input:focus-visible {
    box-shadow: var(--shadow-focus);
    outline: none;
}

/* helper text */
.form-text {
    display: block;
    margin-top: var(--space-1);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}
.form-text.is-invalid {
    color: var(--color-danger);
}

/* input group (com prefix/suffix) */
.input-group {
    display: flex;
    align-items: stretch;
    width: 100%;
}
.input-group .form-input {
    border-radius: 0;
}
.input-group > :first-child {
    border-top-left-radius: var(--radius-md);
    border-bottom-left-radius: var(--radius-md);
}
.input-group > :last-child {
    border-top-right-radius: var(--radius-md);
    border-bottom-right-radius: var(--radius-md);
}
.input-group > :not(:first-child) {
    margin-left: -1px;
}
.input-group-text {
    display: inline-flex;
    align-items: center;
    padding: 0 var(--space-3);
    background-color: var(--bg-surface-alt);
    border: 1px solid var(--border-color);
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    white-space: nowrap;
}

/* ====================================================================
   CARDS
   ==================================================================== */

.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.card-bordered {
    border: 1px solid var(--border-color);
}

.card-elevated {
    border: 1px solid var(--border-color-light);
    box-shadow: var(--shadow-sm);
}

.card-hoverable {
    cursor: pointer;
}
.card-hoverable:hover {
    border-color: var(--color-primary-300);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-color-light);
}

.card-title {
    font-size: var(--font-size-md);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.01em;
}

.card-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.card-body {
    padding: var(--space-5);
}

.card-body-flush {
    padding: 0;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--border-color-light);
    background-color: var(--bg-surface-alt);
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
}

/* ====================================================================
   BADGES
   ==================================================================== */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px var(--space-2);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-default {
    background-color: var(--bg-surface-inset);
    color: var(--text-secondary);
}
.badge-primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary-hover);
}
.badge-success {
    background-color: var(--color-success-light);
    color: var(--color-success-dark);
}
.badge-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-dark);
}
.badge-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger-dark);
}
.badge-info {
    background-color: var(--color-info-light);
    color: var(--color-info-dark);
}
.badge-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* dot variant — para indicadores de status */
.badge-dot {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}
.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: currentColor;
}

/* ====================================================================
   AVATARS
   ==================================================================== */

.avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    color: var(--text-inverse);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    overflow: hidden;
    flex-shrink: 0;
    text-transform: uppercase;
}
.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.avatar-xs { width: 24px; height: 24px; font-size: var(--font-size-2xs); }
.avatar-sm { width: 30px; height: 30px; font-size: var(--font-size-xs); }
.avatar-lg { width: 48px; height: 48px; font-size: var(--font-size-md); }
.avatar-xl { width: 72px; height: 72px; font-size: var(--font-size-xl); }

.avatar-group {
    display: inline-flex;
}
.avatar-group .avatar {
    border: 2px solid var(--bg-surface);
    margin-left: -10px;
}
.avatar-group .avatar:first-child {
    margin-left: 0;
}

/* ====================================================================
   TABS (pill style)
   ==================================================================== */

.tabs {
    display: inline-flex;
    gap: 2px;
    padding: 3px;
    background-color: var(--bg-surface-inset);
    border-radius: var(--radius-md);
}

.tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--text-secondary);
    background-color: transparent;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition-colors);
    white-space: nowrap;
}
.tab:hover {
    color: var(--text-primary);
}
.tab.active {
    background-color: var(--bg-surface);
    color: var(--text-primary);
    box-shadow: var(--shadow-xs);
}

.tab-count {
    padding: 1px 6px;
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-semibold);
    background-color: var(--bg-surface);
    color: var(--text-tertiary);
    border-radius: var(--radius-full);
}
.tab.active .tab-count {
    background-color: var(--color-primary);
    color: var(--text-inverse);
}

/* tabs-line — versão linha (debaixo, sem background) */
.tabs-line {
    display: flex;
    gap: var(--space-6);
    border-bottom: 1px solid var(--border-color-light);
    padding: 0;
    background: transparent;
}
.tabs-line .tab {
    padding: var(--space-3) 0;
    border-radius: 0;
    border-bottom: 2px solid transparent;
    color: var(--text-tertiary);
}
.tabs-line .tab:hover {
    color: var(--text-primary);
    background: transparent;
}
.tabs-line .tab.active {
    background: transparent;
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
    box-shadow: none;
}

/* ====================================================================
   DIVIDER
   ==================================================================== */

.divider {
    height: 1px;
    background-color: var(--border-color-light);
    border: none;
    margin: var(--space-4) 0;
}
.divider-vertical {
    width: 1px;
    height: auto;
    align-self: stretch;
    margin: 0 var(--space-3);
    background-color: var(--border-color-light);
}

/* ====================================================================
   DROPDOWN
   ==================================================================== */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + var(--space-2));
    left: 0;
    min-width: 200px;
    max-height: 360px;
    overflow-y: auto;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-dropdown-strong);
    padding: var(--space-1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: var(--z-dropdown);
}
.dropdown-menu.open,
.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-menu-right {
    left: auto;
    right: 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    white-space: nowrap;
}
.dropdown-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    text-decoration: none;
}
.dropdown-item i {
    width: 16px;
    color: var(--text-tertiary);
    font-size: var(--font-size-base);
    flex-shrink: 0;
}
.dropdown-item.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary-hover);
}
.dropdown-item.active i {
    color: var(--color-primary);
}
.dropdown-item.danger,
.dropdown-item-danger {
    color: var(--color-danger);
}
.dropdown-item.danger i,
.dropdown-item-danger i {
    color: var(--color-danger);
}
.dropdown-item.disabled,
.dropdown-item[aria-disabled="true"] {
    opacity: 0.5;
    pointer-events: none;
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color-light);
    margin: var(--space-1) 0;
}

.dropdown-header {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* ====================================================================
   TOOLTIP
   ==================================================================== */

.tooltip,
.hubit-tooltip {
    position: fixed;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-normal);
    color: var(--text-inverse);
    background-color: var(--slate-900);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    max-width: 280px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    z-index: var(--z-tooltip);
    text-align: left;
    word-wrap: break-word;
}
.tooltip.visible,
.hubit-tooltip.hubit-tooltip--visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tooltip::before,
.hubit-tooltip::before {
    content: '';
    position: absolute;
    border: 5px solid transparent;
}
.tooltip.top::before,
.hubit-tooltip--top::before {
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-top-color: var(--slate-900);
}
.tooltip.bottom::before,
.hubit-tooltip--bottom::before {
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-bottom-color: var(--slate-900);
}
.tooltip.left::before,
.hubit-tooltip--left::before {
    right: -10px;
    top: 50%;
    transform: translateY(-50%);
    border-left-color: var(--slate-900);
}
.tooltip.right::before,
.hubit-tooltip--right::before {
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    border-right-color: var(--slate-900);
}

.hubit-tooltip strong {
    font-weight: var(--font-weight-semibold);
    display: block;
    margin-bottom: 2px;
}
.hubit-tooltip i {
    margin-right: 4px;
    font-size: var(--font-size-2xs);
}

/* ====================================================================
   SPINNER / LOADING
   ==================================================================== */

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-top-color: var(--color-primary);
    border-radius: var(--radius-full);
    animation: spinner-spin 0.7s linear infinite;
    vertical-align: middle;
}
.spinner-sm { width: 14px; height: 14px; border-width: 2px; }
.spinner-lg { width: 28px; height: 28px; border-width: 3px; }

.spinner-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--overlay-white-80);
    backdrop-filter: blur(2px);
    z-index: var(--z-modal);
}

@keyframes spinner-spin {
    to { transform: rotate(360deg); }
}

/* ====================================================================
   EMPTY STATE
   ==================================================================== */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-6);
    text-align: center;
}

.empty-state-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-2xl);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
}

.empty-state-description {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    max-width: 420px;
    margin: 0 0 var(--space-4);
    line-height: var(--line-height-relaxed);
}

.empty-state-actions {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-2);
    flex-wrap: wrap;
    justify-content: center;
}

/* compact variant — para empty state inline em cards */
.empty-state-compact {
    padding: var(--space-6) var(--space-4);
}
.empty-state-compact .empty-state-icon {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-3);
}
.empty-state-compact .empty-state-title { font-size: var(--font-size-base); }

/* ====================================================================
   SKELETON LOADERS
   ==================================================================== */

.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-surface-inset) 25%,
        var(--bg-hover) 50%,
        var(--bg-surface-inset) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius);
}
.skeleton-text   { height: 12px; margin-bottom: var(--space-2); }
.skeleton-title  { height: 18px; width: 60%; margin-bottom: var(--space-3); }
.skeleton-avatar { width: 36px; height: 36px; border-radius: var(--radius-full); }
.skeleton-button { height: var(--btn-height); width: 100px; border-radius: var(--radius-md); }
.skeleton-card   { height: 120px; border-radius: var(--radius-lg); }

@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ====================================================================
   TABLE (clean / data table)
   ==================================================================== */

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}
.table th {
    text-align: left;
    font-weight: var(--font-weight-semibold);
    color: var(--text-tertiary);
    background-color: var(--bg-surface-alt);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-2xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}
.table td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-color-light);
    color: var(--text-primary);
    vertical-align: middle;
}
.table tbody tr {
    transition: background-color var(--transition-fast);
}
.table tbody tr:hover td {
    background-color: var(--bg-surface-alt);
}
.table tbody tr:last-child td {
    border-bottom: none;
}

.table-bordered {
    border: 1px solid var(--border-color-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.table-bordered th:first-child,
.table-bordered td:first-child { padding-left: var(--space-5); }
.table-bordered th:last-child,
.table-bordered td:last-child { padding-right: var(--space-5); }

.table-actions {
    text-align: right;
    width: 1%;
    white-space: nowrap;
}

/* ====================================================================
   ALERT
   ==================================================================== */

.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color-light);
    background-color: var(--bg-surface-alt);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    box-shadow: var(--shadow-xs);
}
.alert i {
    font-size: var(--font-size-md);
    line-height: 1.5;
    flex-shrink: 0;
}
.alert-success {
    background-color: var(--color-success-light);
    border-color: rgba(22, 163, 74, 0.20);
    color: var(--color-success-dark);
}
.alert-success i { color: var(--color-success); }
.alert-warning {
    background-color: var(--color-warning-light);
    border-color: rgba(217, 119, 6, 0.20);
    color: var(--color-warning-dark);
}
.alert-warning i { color: var(--color-warning); }
.alert-danger {
    background-color: var(--color-danger-light);
    border-color: rgba(220, 38, 38, 0.20);
    color: var(--color-danger-dark);
}
.alert-danger i { color: var(--color-danger); }
.alert-info {
    background-color: var(--color-info-light);
    border-color: rgba(14, 165, 233, 0.20);
    color: var(--color-info-dark);
}
.alert-info i { color: var(--color-info); }

/* ====================================================================
   CHIP / TAG
   ==================================================================== */

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 4px var(--space-3);
    background-color: var(--bg-surface-inset);
    border: 1px solid var(--border-color-light);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
}
.chip i { font-size: var(--font-size-sm); color: var(--text-tertiary); }
.chip-removable {
    padding-right: var(--space-2);
}
.chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: var(--radius-full);
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition-colors);
}
.chip-remove:hover {
    background-color: var(--bg-active);
    color: var(--text-primary);
}

/* ====================================================================
   KBD (atalho de teclado)
   ==================================================================== */

kbd, .kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 22px;
    padding: 0 6px;
    font-family: var(--font-family-mono);
    font-size: var(--font-size-2xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-tertiary);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-bottom-width: 2px;
    border-radius: var(--radius);
    line-height: 1;
}

/* ====================================================================
   TOAST (notification)
   ==================================================================== */

.toast {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    min-width: 280px;
    max-width: 480px;
}
.toast i { font-size: var(--font-size-md); flex-shrink: 0; }
.toast-success i { color: var(--color-success); }
.toast-warning i { color: var(--color-warning); }
.toast-danger i  { color: var(--color-danger); }
.toast-info i    { color: var(--color-info); }