/* ==========================================================================
   SHARK PREMIUM COMPONENTS  ·  namespace .sk-*
   ---------------------------------------------------------------------------
   Cargar SIEMPRE después de shark.css y theme.css.
   Consume tokens definidos en theme.css (--color-*, --space-*, etc.).
   No usa !important salvo overrides de librerías 3rd-party (SweetAlert2,
   Flatpickr).
   ========================================================================== */

/* ===== Base / Reset suave ===== */
.sk-body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: var(--lh-normal);
    color: var(--color-fg);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.sk-display { font-family: var(--font-display); letter-spacing: var(--letter-tight); }
.sk-mono    { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ===== BOTÓN ===== */
.sk-btn {
    --_btn-bg: var(--color-bg-surface);
    --_btn-fg: var(--color-fg);
    --_btn-border: var(--color-border);
    --_btn-bg-hover: var(--color-bg-hover);

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 9px var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-weight: var(--fw-500);
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid var(--_btn-border);
    background: var(--_btn-bg);
    color: var(--_btn-fg);
    cursor: pointer;
    transition: background var(--dur-fast) var(--ease-standard),
                border-color var(--dur-fast) var(--ease-standard),
                color var(--dur-fast) var(--ease-standard),
                box-shadow var(--dur-fast) var(--ease-standard),
                transform var(--dur-fast) var(--ease-standard);
    user-select: none;
    text-decoration: none;
    white-space: nowrap;
}
.sk-btn:hover { background: var(--_btn-bg-hover); }
.sk-btn:active { transform: translateY(1px); }
.sk-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.sk-btn[disabled],
.sk-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.sk-btn--primary {
    --_btn-bg: var(--color-primary);
    --_btn-fg: var(--color-primary-fg);
    --_btn-border: var(--color-primary);
    --_btn-bg-hover: color-mix(in srgb, var(--color-primary) 85%, black);
}
[data-theme="dark"] .sk-btn--primary {
    --_btn-bg-hover: color-mix(in srgb, var(--color-primary) 88%, white);
}

.sk-btn--secondary {
    --_btn-bg: transparent;
    --_btn-fg: var(--color-primary);
    --_btn-border: var(--color-primary);
    --_btn-bg-hover: var(--color-primary-soft);
}

.sk-btn--ghost {
    --_btn-bg: transparent;
    --_btn-fg: var(--color-fg-muted);
    --_btn-border: transparent;
    --_btn-bg-hover: var(--color-bg-hover);
}

.sk-btn--danger {
    --_btn-bg: var(--color-danger);
    --_btn-fg: #fff;
    --_btn-border: var(--color-danger);
    --_btn-bg-hover: color-mix(in srgb, var(--color-danger) 85%, black);
}

.sk-btn--sm { padding: 6px var(--space-3); font-size: var(--text-sm); border-radius: var(--radius-sm); }
.sk-btn--lg { padding: 13px var(--space-5); font-size: var(--text-lg); border-radius: var(--radius-lg); }
.sk-btn--block { display: flex; width: 100%; }
.sk-btn--icon { padding: 8px; width: 36px; height: 36px; }

/* ===== CARD ===== */
.sk-card {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    color: var(--color-fg);
    transition: border-color var(--dur-base) var(--ease-standard),
                box-shadow var(--dur-base) var(--ease-standard),
                transform var(--dur-base) var(--ease-standard);
}
.sk-card--elevated { background: var(--color-bg-elevated); box-shadow: var(--shadow-sm); }
.sk-card--interactive { cursor: pointer; }
.sk-card--interactive:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.sk-card--padded   { padding: var(--space-6); }
.sk-card--compact  { padding: var(--space-3); }

.sk-card__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    margin: calc(-1 * var(--space-2)) 0 var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}
.sk-card__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--fw-600);
    color: var(--color-fg);
    letter-spacing: var(--letter-tight);
    margin: 0;
}
.sk-card__subtitle { font-size: var(--text-sm); color: var(--color-fg-muted); margin: 2px 0 0; }
.sk-card__body { color: var(--color-fg); }
.sk-card__footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-2);
    margin-top: var(--space-5);
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border);
}

/* ===== KPI / STAT (card especializado) ===== */
.sk-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}
.sk-stat::before {
    content: "";
    position: absolute;
    inset: 0 auto auto 0;
    width: 3px;
    height: 100%;
    background: var(--color-primary);
    opacity: 0.0;
    transition: opacity var(--dur-base) var(--ease-standard);
}
.sk-stat:hover::before { opacity: 1; }
.sk-stat__label {
    font-size: var(--text-xs);
    font-weight: var(--fw-500);
    color: var(--color-fg-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
}
.sk-stat__value {
    font-family: var(--font-mono);
    font-size: var(--text-3xl);
    font-weight: var(--fw-600);
    color: var(--color-fg);
    line-height: 1;
    letter-spacing: var(--letter-tight);
}
.sk-stat__delta {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    font-weight: var(--fw-500);
}
.sk-stat__delta--up   { color: var(--color-success); }
.sk-stat__delta--down { color: var(--color-danger); }

/* ===== INPUT / FIELD ===== */
.sk-field { display: flex; flex-direction: column; gap: 6px; }
.sk-field__label {
    font-size: var(--text-sm);
    font-weight: var(--fw-500);
    color: var(--color-fg-muted);
    letter-spacing: var(--letter-normal);
}
.sk-field__hint  { font-size: var(--text-xs); color: var(--color-fg-subtle); }
.sk-field__error { font-size: var(--text-xs); color: var(--color-danger); }

.sk-input,
.sk-select,
.sk-textarea {
    width: 100%;
    padding: 10px var(--space-3);
    font-family: var(--font-body);
    font-size: var(--text-md);
    line-height: var(--lh-normal);
    color: var(--color-fg);
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border-input);
    border-radius: var(--radius-md);
    transition: border-color var(--dur-fast) var(--ease-standard),
                box-shadow var(--dur-fast) var(--ease-standard),
                background var(--dur-fast) var(--ease-standard);
    box-sizing: border-box;
}
.sk-input:hover,
.sk-select:hover,
.sk-textarea:hover { border-color: var(--color-border-strong); }
.sk-input:focus,
.sk-select:focus,
.sk-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.sk-input::placeholder,
.sk-textarea::placeholder { color: var(--color-fg-subtle); }

.sk-input--sm { padding: 6px var(--space-2); font-size: var(--text-sm); }
.sk-input--lg { padding: 13px var(--space-4); font-size: var(--text-lg); }

.sk-field--error .sk-input,
.sk-field--error .sk-select,
.sk-field--error .sk-textarea { border-color: var(--color-danger); }
.sk-field--error .sk-input:focus { box-shadow: 0 0 0 3px var(--color-danger-soft); }

.sk-textarea { resize: vertical; min-height: 84px; font-family: var(--font-body); }

.sk-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235a6072' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    padding-right: var(--space-6);
}

/* ===== TABLA ===== */
.sk-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: var(--text-md);
    color: var(--color-fg);
}
.sk-table thead th {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-xs);
    font-weight: var(--fw-600);
    color: var(--color-fg-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-wide);
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1;
}
.sk-table tbody td {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-fg);
    vertical-align: middle;
}
.sk-table tbody tr { transition: background var(--dur-fast) var(--ease-standard); }
.sk-table tbody tr:hover td { background: var(--color-bg-hover); }
.sk-table tbody tr:last-child td { border-bottom: none; }

.sk-table--dense thead th,
.sk-table--dense tbody td { padding: 6px var(--space-3); font-size: var(--text-sm); }

.sk-table--striped tbody tr:nth-child(even) td { background: var(--color-bg-subtle); }
.sk-table--interactive tbody tr { cursor: pointer; }

.sk-table-wrap {
    background: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.sk-table-wrap .sk-table { font-size: var(--text-md); }

/* ===== BADGE ===== */
.sk-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px var(--space-2);
    font-size: var(--text-xs);
    font-weight: var(--fw-500);
    line-height: 1.4;
    border-radius: var(--radius-full);
    background: var(--color-bg-subtle);
    color: var(--color-fg-muted);
    border: 1px solid var(--color-border);
    white-space: nowrap;
}
.sk-badge--primary { background: var(--color-primary-soft); color: var(--color-primary); border-color: transparent; }
.sk-badge--success { background: var(--color-success-soft); color: var(--color-success); border-color: transparent; }
.sk-badge--warning { background: var(--color-warning-soft); color: var(--color-warning); border-color: transparent; }
.sk-badge--danger  { background: var(--color-danger-soft);  color: var(--color-danger);  border-color: transparent; }
.sk-badge--info    { background: var(--color-info-soft);    color: var(--color-info);    border-color: transparent; }

.sk-badge--dot::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    display: inline-block;
}

/* ===== TABS ===== */
.sk-tabs {
    display: flex;
    gap: 2px;
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    scrollbar-width: thin;
}
.sk-tab {
    appearance: none;
    background: none;
    border: none;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-weight: var(--fw-500);
    color: var(--color-fg-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color var(--dur-fast) var(--ease-standard),
                border-color var(--dur-fast) var(--ease-standard);
    white-space: nowrap;
    margin-bottom: -1px;
}
.sk-tab:hover { color: var(--color-fg); }
.sk-tab[aria-selected="true"],
.sk-tab.is-active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}
.sk-tab:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--color-focus-ring);
    border-radius: var(--radius-sm);
}

.sk-tabs--pill { border-bottom: none; gap: var(--space-2); }
.sk-tabs--pill .sk-tab {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    margin-bottom: 0;
    padding: 6px var(--space-3);
    font-size: var(--text-sm);
}
.sk-tabs--pill .sk-tab[aria-selected="true"],
.sk-tabs--pill .sk-tab.is-active {
    background: var(--color-primary);
    color: var(--color-primary-fg);
    border-color: var(--color-primary);
}

/* ===== MODAL ===== */
.sk-modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-bg-overlay);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-standard),
                visibility 0s linear var(--dur-base);
}
.sk-modal-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity var(--dur-base) var(--ease-standard),
                visibility 0s linear 0s;
}

.sk-modal {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(8px) scale(0.98);
    transition: transform var(--dur-base) var(--ease-emphasized);
}
.sk-modal-overlay.is-open .sk-modal { transform: translateY(0) scale(1); }

.sk-modal--lg         { max-width: 720px; }
.sk-modal--xl         { max-width: 960px; }
.sk-modal--fullscreen { max-width: none; width: 100%; height: 100%; max-height: 100%; border-radius: 0; }

.sk-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);
    background: var(--color-bg-surface);
}
.sk-modal__title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--fw-600);
    color: var(--color-fg);
    margin: 0;
}
.sk-modal__close {
    appearance: none;
    background: transparent;
    border: none;
    color: var(--color-fg-muted);
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: background var(--dur-fast), color var(--dur-fast);
    font-size: var(--text-xl);
    line-height: 1;
}
.sk-modal__close:hover { background: var(--color-bg-hover); color: var(--color-fg); }

.sk-modal__body { padding: var(--space-5); overflow-y: auto; flex: 1; }
.sk-modal__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(--color-border);
    background: var(--color-bg-surface);
}

/* ===== TOAST ===== */
.sk-toast-stack {
    position: fixed;
    top: var(--space-5);
    right: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: var(--z-toast);
    pointer-events: none;
}
.sk-toast {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    color: var(--color-fg);
    font-size: var(--text-sm);
    min-width: 280px;
    max-width: 420px;
    pointer-events: auto;
    animation: sk-toast-in var(--dur-slow) var(--ease-emphasized);
}
.sk-toast--success { border-left-color: var(--color-success); }
.sk-toast--warning { border-left-color: var(--color-warning); }
.sk-toast--danger  { border-left-color: var(--color-danger); }
.sk-toast--info    { border-left-color: var(--color-info); }

@keyframes sk-toast-in {
    from { opacity: 0; transform: translateX(16px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ===== LOADER / SPINNER ===== */
.sk-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: sk-spin 0.7s linear infinite;
}
.sk-spinner--lg { width: 32px; height: 32px; border-width: 3px; }
@keyframes sk-spin { to { transform: rotate(360deg); } }

.sk-skeleton {
    display: block;
    background: linear-gradient(
        90deg,
        var(--color-bg-subtle) 0%,
        var(--color-bg-hover) 50%,
        var(--color-bg-subtle) 100%
    );
    background-size: 200% 100%;
    animation: sk-shimmer 1.4s ease-in-out infinite;
    border-radius: var(--radius-sm);
    height: 14px;
}
@keyframes sk-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.sk-loader-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-bg-overlay);
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-overlay);
}

/* ===== LINK ===== */
.sk-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--fw-500);
    transition: color var(--dur-fast) var(--ease-standard);
}
.sk-link:hover { color: var(--color-fg); text-decoration: underline; }

/* ===== DIVIDER / KBD / CODE ===== */
.sk-divider {
    height: 1px;
    background: var(--color-border);
    border: none;
    margin: var(--space-4) 0;
}
.sk-kbd {
    display: inline-block;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-fg-muted);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-bottom-width: 2px;
    border-radius: var(--radius-sm);
}

/* ===== OVERRIDES PARA LIBRERÍAS 3RD-PARTY ===== */

/* ─── SweetAlert2 ─── */
.swal2-popup {
    font-family: var(--font-body) !important;
    border-radius: var(--radius-xl) !important;
    background: var(--color-bg-elevated) !important;
    color: var(--color-fg) !important;
    border: 1px solid var(--color-border);
}
.swal2-title { color: var(--color-fg) !important; font-family: var(--font-display) !important; }
.swal2-html-container { color: var(--color-fg-muted) !important; }
.swal2-styled.swal2-confirm {
    background: var(--color-primary) !important;
    color: var(--color-primary-fg) !important;
    border-radius: var(--radius-md) !important;
    font-weight: var(--fw-500) !important;
}
.swal2-styled.swal2-cancel {
    background: transparent !important;
    color: var(--color-fg-muted) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-md) !important;
}
.swal2-styled:focus { box-shadow: 0 0 0 3px var(--color-focus-ring) !important; }
[data-theme="dark"] .swal2-icon.swal2-warning { color: var(--color-warning) !important; border-color: var(--color-warning) !important; }
[data-theme="dark"] .swal2-icon.swal2-error { color: var(--color-danger) !important; border-color: var(--color-danger) !important; }
[data-theme="dark"] .swal2-icon.swal2-success { color: var(--color-success) !important; border-color: var(--color-success) !important; }

/* ─── Flatpickr ─── */
.flatpickr-calendar {
    background: var(--color-bg-elevated) !important;
    border: 1px solid var(--color-border) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-lg) !important;
    color: var(--color-fg) !important;
    font-family: var(--font-body) !important;
}
.flatpickr-month, .flatpickr-current-month,
.flatpickr-monthDropdown-months, .cur-year { color: var(--color-fg) !important; }
.flatpickr-weekday { color: var(--color-fg-muted) !important; }
.flatpickr-day {
    color: var(--color-fg) !important;
    border-radius: var(--radius-sm) !important;
}
.flatpickr-day:hover { background: var(--color-bg-hover) !important; }
.flatpickr-day.selected,
.flatpickr-day.startRange,
.flatpickr-day.endRange {
    background: var(--color-primary) !important;
    color: var(--color-primary-fg) !important;
    border-color: var(--color-primary) !important;
}
.flatpickr-day.today {
    border-color: var(--color-primary) !important;
}
.flatpickr-day.disabled,
.flatpickr-day.flatpickr-disabled { color: var(--color-fg-subtle) !important; }

/* ===== UTILITIES ===== */
.sk-text-muted { color: var(--color-fg-muted); }
.sk-text-subtle { color: var(--color-fg-subtle); }
.sk-text-primary { color: var(--color-primary); }
.sk-text-success { color: var(--color-success); }
.sk-text-danger  { color: var(--color-danger); }
.sk-text-warning { color: var(--color-warning); }

.sk-text-xs   { font-size: var(--text-xs); }
.sk-text-sm   { font-size: var(--text-sm); }
.sk-text-md   { font-size: var(--text-md); }
.sk-text-lg   { font-size: var(--text-lg); }
.sk-text-xl   { font-size: var(--text-xl); }
.sk-text-2xl  { font-size: var(--text-2xl); }

.sk-fw-300 { font-weight: var(--fw-300); }
.sk-fw-400 { font-weight: var(--fw-400); }
.sk-fw-500 { font-weight: var(--fw-500); }
.sk-fw-600 { font-weight: var(--fw-600); }
.sk-fw-700 { font-weight: var(--fw-700); }

.sk-stack { display: flex; flex-direction: column; gap: var(--space-3); }
.sk-row   { display: flex; align-items: center; gap: var(--space-3); }
.sk-row--wrap { flex-wrap: wrap; }
.sk-row--between { justify-content: space-between; }
.sk-row--end { justify-content: flex-end; }
.sk-grow  { flex: 1; }