/* ==========================================================================
   APIPROTECT - SISTEMA DE DISEÑO MATERIAL DESIGN 3 ("BLUE-GREEN FLEET")
   Directivas: Antigravity Master Architect Core (v2.0.0)
   ========================================================================== */

:root {
    /* Design Tokens - Blue-Green Fleet */
    --md-sys-color-primary: #0A57D0;
    --md-sys-color-primary-hover: #0846A8;
    --md-sys-color-on-primary: #FFFFFF;
    --md-sys-color-primary-container: #D3E3FD;
    --md-sys-color-on-primary-container: #041E49;

    --md-sys-color-secondary: #E1E2E9;
    --md-sys-color-secondary-alt: #C5C6D0;
    --md-sys-color-on-secondary: #1C1B1F;

    --md-sys-color-tertiary: #0D9061;
    --md-sys-color-tertiary-container: #D1F7E5;
    --md-sys-color-on-tertiary: #FFFFFF;

    --md-sys-color-surface: #FFFFFF;
    --md-sys-color-surface-bg: #F8F9FA;
    --md-sys-color-surface-container-low: #F0F4F9;
    --md-sys-color-on-surface: #1C1B1F;
    --md-sys-color-on-surface-variant: #444746;

    --md-sys-color-neutral-variant: #C4C7C5;
    --md-sys-color-outline: #C4C7C5;

    --md-sys-color-error: #B3261E;
    --md-sys-color-error-container: #F9DEDC;
    --md-sys-color-warning: #E65100;
    --md-sys-color-warning-container: #FFF3E0;

    /* Tipografía */
    --md-sys-typescale-title-font: 'Google Sans', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --md-sys-typescale-body-font: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    --md-sys-typescale-mono-font: 'JetBrains Mono', 'Fira Code', monospace;

    /* Dimensiones y Transiciones M3 */
    --md-top-app-bar-height: 64px;
    --md-drawer-width: 288px;
    --md-easing-standard: cubic-bezier(0.2, 0, 0, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: var(--md-sys-typescale-body-font);
    background-color: var(--md-sys-color-surface-bg);
    color: var(--md-sys-color-on-surface);
    font-size: 15px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .md3-title {
    font-family: var(--md-sys-typescale-title-font);
    color: var(--md-sys-color-primary);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.material-symbols-rounded {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    user-select: none;
    vertical-align: middle;
}

/* ==========================================================================
   1. TOP APP BAR (Fija 64px, Fondo Surface)
   ========================================================================== */
.md3-top-app-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--md-top-app-bar-height);
    background-color: var(--md-sys-color-surface);
    border-bottom: 1px solid var(--md-sys-color-neutral-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 100;
}

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-title {
    font-family: var(--md-sys-typescale-title-font);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--md-sys-color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-badge {
    font-size: 0.72rem;
    font-weight: 600;
    background-color: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-tertiary);
    padding: 2px 10px;
    border-radius: 999px;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   2. NAVIGATION DRAWER IZQUIERDO (Píldora 28px en Primary Container)
   ========================================================================== */
.app-layout {
    display: flex;
    padding-top: var(--md-top-app-bar-height);
    min-height: 100vh;
}

.md3-navigation-drawer {
    width: var(--md-drawer-width);
    background-color: var(--md-sys-color-surface);
    border-right: 1px solid var(--md-sys-color-neutral-variant);
    padding: 16px 12px;
    position: fixed;
    top: var(--md-top-app-bar-height);
    bottom: 0;
    left: 0;
    overflow-y: auto;
    transition: transform 0.28s var(--md-easing-standard);
    z-index: 90;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.app-layout.drawer-collapsed .md3-navigation-drawer {
    transform: translateX(-100%);
}

.app-layout.drawer-collapsed .main-content {
    margin-left: 0;
}

.nav-section-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--md-sys-color-on-surface-variant);
    padding: 12px 16px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 48px;
    padding: 0 16px;
    border-radius: 28px; /* Píldora MD3 obligatoria */
    color: var(--md-sys-color-on-surface);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.92rem;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    transition: background-color 0.2s var(--md-easing-standard), color 0.2s var(--md-easing-standard);
    position: relative;
    overflow: hidden;
}

.nav-item:hover {
    background-color: var(--md-sys-color-surface-container-low);
}

.nav-item.active {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-primary);
    font-weight: 600;
}

.nav-item.active .material-symbols-rounded {
    color: var(--md-sys-color-primary);
    font-variation-settings: 'FILL' 1, 'wght' 500, 'GRAD' 0, 'opsz' 24;
}

.nav-badge {
    margin-left: auto;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
    background-color: var(--md-sys-color-secondary);
    color: var(--md-sys-color-on-surface);
}

.nav-item.active .nav-badge {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

/* ==========================================================================
   3. CONTENIDO PRINCIPAL & CARDS MD3
   ========================================================================== */
.main-content {
    flex: 1;
    margin-left: var(--md-drawer-width);
    padding: 28px 32px 64px;
    max-width: 1440px;
    transition: margin-left 0.28s var(--md-easing-standard);
}

.md3-progress-bar {
    position: fixed;
    top: var(--md-top-app-bar-height);
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--md-sys-color-primary-container);
    z-index: 150;
    overflow: hidden;
    display: none;
}

.md3-progress-bar.active {
    display: block;
}

.md3-progress-bar-fill {
    width: 40%;
    height: 100%;
    background-color: var(--md-sys-color-primary);
    animation: md3Indeterminate 1.25s infinite ease-in-out;
}

@keyframes md3Indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
}

.view-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.view-header h1 {
    font-size: 1.65rem;
    color: var(--md-sys-color-primary);
    margin-bottom: 4px;
}

.view-subtitle {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.95rem;
}

.md3-card {
    background-color: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-neutral-variant);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
}

.md3-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.md3-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.35rem;
    color: var(--md-sys-color-primary);
    margin-bottom: 4px;
}

.md3-card-subtitle {
    color: var(--md-sys-color-on-surface-variant);
    font-size: 0.9rem;
}

.view-section {
    display: none;
}

.view-section.active {
    display: block;
}

.scanner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
    gap: 24px;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    background-color: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-neutral-variant);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
}

.metric-value {
    font-family: var(--md-sys-typescale-title-font);
    font-size: 2rem;
    font-weight: 700;
    color: var(--md-sys-color-primary);
}

.metric-value.status-ok {
    color: var(--md-sys-color-tertiary);
}

.metric-value.status-danger {
    color: var(--md-sys-color-error);
}

/* ==========================================================================
   4. BOTONES MD3 & EFECTO RIPPLE (Mínimo 48x48dp en áreas táctiles)
   ========================================================================== */
.md3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 20px;
    border-radius: 999px;
    font-family: var(--md-sys-typescale-title-font);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s var(--md-easing-standard);
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.md3-btn-filled {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

.md3-btn-filled:hover {
    background-color: var(--md-sys-color-primary-hover);
    box-shadow: 0 2px 6px rgba(10, 87, 208, 0.28);
}

.md3-btn-tonal {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-primary);
}

.md3-btn-tonal:hover {
    background-color: #BDD6FC;
}

.md3-btn-tertiary {
    background-color: var(--md-sys-color-tertiary);
    color: var(--md-sys-color-on-tertiary);
}

.md3-btn-outlined {
    background-color: transparent;
    border-color: var(--md-sys-color-neutral-variant);
    color: var(--md-sys-color-on-surface);
}

.md3-btn-outlined:hover {
    background-color: var(--md-sys-color-surface-container-low);
}

.md3-icon-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--md-sys-color-on-surface);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s var(--md-easing-standard);
    position: relative;
    overflow: hidden;
}

.md3-icon-btn:hover {
    background-color: var(--md-sys-color-secondary);
}

.md3-icon-btn.delete-action:hover {
    background-color: var(--md-sys-color-error-container);
    color: var(--md-sys-color-error);
}

.md3-icon-btn.delete-action {
    color: var(--md-sys-color-error);
}

/* ==========================================================================
   5. CATÁLOGOS CON FILAS EXPANDIBLES (ACCORDION PATTERN)
   ========================================================================== */
.catalog-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.accordion-table {
    width: 100%;
    border: 1px solid var(--md-sys-color-neutral-variant);
    border-radius: 14px;
    overflow: hidden;
    background-color: var(--md-sys-color-surface);
}

.accordion-header {
    display: grid;
    grid-template-columns: 110px 1.6fr 1fr 140px 130px 110px;
    align-items: center;
    padding: 14px 20px;
    background-color: var(--md-sys-color-secondary);
    font-family: var(--md-sys-typescale-title-font);
    font-weight: 600;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--md-sys-color-on-surface);
}

.accordion-row-wrapper {
    border-top: 1px solid var(--md-sys-color-neutral-variant);
}

.accordion-row {
    display: grid;
    grid-template-columns: 110px 1.6fr 1fr 140px 130px 110px;
    align-items: center;
    padding: 12px 20px;
    min-height: 60px;
    cursor: pointer;
    transition: background-color 0.2s var(--md-easing-standard);
}

.accordion-row:hover {
    background-color: #F5F8FD;
}

.accordion-row-wrapper.expanded .accordion-row {
    background-color: var(--md-sys-color-primary-container);
}

.accordion-detail {
    max-height: 0;
    overflow: hidden;
    background-color: var(--md-sys-color-surface-container-low); /* Regla obligatoria MD3 */
    transition: max-height 0.32s var(--md-easing-standard), padding 0.32s var(--md-easing-standard);
    padding: 0 24px;
}

.accordion-row-wrapper.expanded .accordion-detail {
    max-height: 900px;
    padding: 20px 24px 24px;
    border-top: 1px dashed var(--md-sys-color-neutral-variant);
}

.row-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
}

/* Badges de estado */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}

.badge-operational {
    background-color: var(--md-sys-color-tertiary-container);
    color: var(--md-sys-color-tertiary);
}

.badge-danger {
    background-color: var(--md-sys-color-error-container);
    color: var(--md-sys-color-error);
}

.badge-warning {
    background-color: var(--md-sys-color-warning-container);
    color: var(--md-sys-color-warning);
}

.badge-primary {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-primary);
}

.method-pill {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 8px;
    font-family: var(--md-sys-typescale-mono-font);
    font-size: 0.78rem;
    font-weight: 700;
    text-align: center;
}

.method-GET { background: #E3F2FD; color: #0A57D0; }
.method-POST { background: #D1F7E5; color: #0D9061; }
.method-PUT, .method-PATCH { background: #FFF3E0; color: #E65100; }
.method-DELETE { background: #F9DEDC; color: #B3261E; }

/* ==========================================================================
   6. RIGHT SIDE SHEET (PANEL DERECHO CON BACKDROP 32% & SPLITTER EW-RESIZE)
   ========================================================================== */
.side-sheet-backdrop {
    position: fixed;
    inset: 0;
    background-color: rgba(28, 27, 31, 0.32); /* Scrim exacto al 32% */
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s var(--md-easing-standard);
}

.side-sheet-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

.right-side-sheet {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 520px;
    min-width: 340px;
    max-width: 90vw;
    background-color: var(--md-sys-color-surface);
    z-index: 210;
    box-shadow: -8px 0 28px rgba(0, 0, 0, 0.16);
    transform: translateX(100%);
    transition: transform 0.3s var(--md-easing-standard);
    display: flex;
    flex-direction: column;
}

.right-side-sheet.open {
    transform: translateX(0);
}

/* Splitter izquierdo redimensionable obligatorio */
.side-sheet-splitter {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 8px;
    cursor: ew-resize;
    border-left: 2px solid var(--md-sys-color-outline);
    background-color: transparent;
    z-index: 220;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.side-sheet-splitter:hover, .side-sheet-splitter.dragging {
    background-color: var(--md-sys-color-primary-container);
    border-left-color: var(--md-sys-color-primary);
}

.side-sheet-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--md-sys-color-neutral-variant);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.side-sheet-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

.side-sheet-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--md-sys-color-neutral-variant);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    background-color: var(--md-sys-color-surface-bg);
}

/* ==========================================================================
   7. FORMULARIOS MD3 (OUTLINED TEXT FIELDS)
   ========================================================================== */
.md3-field {
    margin-bottom: 18px;
}

.md3-field label {
    display: block;
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 6px;
}

.md3-input, .md3-select, .md3-textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--md-sys-color-neutral-variant);
    border-radius: 10px;
    font-family: var(--md-sys-typescale-body-font);
    font-size: 0.94rem;
    color: var(--md-sys-color-on-surface);
    background-color: var(--md-sys-color-surface);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.md3-input:focus, .md3-select:focus, .md3-textarea:focus {
    outline: none;
    border-color: var(--md-sys-color-primary);
    box-shadow: 0 0 0 3px var(--md-sys-color-primary-container);
}

.md3-textarea.code-editor {
    font-family: var(--md-sys-typescale-mono-font);
    font-size: 0.85rem;
    background-color: #161B22;
    color: #E6EDF3;
    min-height: 220px;
}

/* Visor de Parches de Código (Diff) */
.diff-box {
    background-color: #0D1117;
    color: #E6EDF3;
    font-family: var(--md-sys-typescale-mono-font);
    font-size: 0.82rem;
    padding: 16px;
    border-radius: 12px;
    overflow-x: auto;
    line-height: 1.55;
    margin-top: 10px;
    border: 1px solid #30363D;
}

.diff-line-add { color: #3FB950; background: rgba(46, 160, 67, 0.15); display: block; padding: 0 6px; }
.diff-line-del { color: #F85149; background: rgba(248, 81, 73, 0.15); display: block; padding: 0 6px; }
.diff-line-hdr { color: #79C0FF; font-weight: 600; display: block; }

/* ==========================================================================
   8. SNACKBAR MD3 (Color Primary + Botón Deshacer)
   ========================================================================== */
.md3-snackbar {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(120px);
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(10, 87, 208, 0.35);
    display: flex;
    align-items: center;
    gap: 16px;
    z-index: 300;
    transition: transform 0.28s var(--md-easing-standard);
    min-width: 320px;
    max-width: 90vw;
}

.md3-snackbar.visible {
    transform: translateX(-50%) translateY(0);
}

.snackbar-undo-btn {
    background: rgba(255, 255, 255, 0.2);
    color: #FFFFFF;
    border: none;
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    margin-left: auto;
}

/* Grafo de Secuencia de Lógica de Negocio */
.flow-chain {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.flow-step {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background-color: var(--md-sys-color-surface-container-low);
    border: 1px solid var(--md-sys-color-neutral-variant);
    border-radius: 14px;
}

.flow-step.critical {
    border-left: 5px solid var(--md-sys-color-error);
}

.flow-step.safe {
    border-left: 5px solid var(--md-sys-color-tertiary);
}

/* ==========================================================================
   9. MODO DE IMPRESIÓN / EXPORTAR A PDF EJECUTIVO
   ========================================================================== */
@media print {
    .md3-top-app-bar,
    .md3-navigation-drawer,
    .side-sheet-backdrop,
    .right-side-sheet,
    .md3-snackbar,
    .no-print {
        display: none !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 0 !important;
        max-width: 100% !important;
    }

    .accordion-detail {
        max-height: none !important;
        padding: 12px 16px !important;
        display: block !important;
    }
}

@media (max-width: 960px) {
    .md3-navigation-drawer {
        transform: translateX(-100%);
    }
    .app-layout.drawer-mobile-open .md3-navigation-drawer {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
        padding: 20px 16px;
    }
    .accordion-header, .accordion-row {
        grid-template-columns: 90px 1.4fr 110px 100px;
    }
    .hide-mobile {
        display: none;
    }
}