/* ═══════════════════════════════════════════════════════════════════
   app.css — Sistema de Diseño Limpio (Tema Claro)
   ═══════════════════════════════════════════════════════════════════ */

:root {
    /* Fondos */
    --bg-primary:  #f8f9fa;
    --bg-sidebar:  #ffffff;
    --bg-card:     #ffffff;
    --bg-input:    #ffffff;
    --bg-terminal: #1e1e1e;

    /* Acentos */
    --accent-blue:       #0d6efd;
    --accent-blue-dim:   rgba(13, 110, 253, 0.08);

    /* Semántica */
    --success:      #198754;
    --success-dim:  rgba(25, 135, 84, 0.08);
    --warning:      #ffc107;
    --warning-dim:  rgba(255, 193, 7, 0.08);
    --error:        #dc3545;
    --error-dim:    rgba(220, 53, 69, 0.08);

    /* Texto */
    --text-primary:   #212529;
    --text-secondary: #495057;
    --text-muted:     #6c757d;
    --text-dim:       #adb5bd;

    /* Bordes */
    --border:       #dee2e6;

    /* Tipografía */
    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
    --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    /* Geometría */
    --radius-sm: 4px;
    --radius:    8px;
    --radius-lg: 12px;
}

/* ── Reset y Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Utilidades ── */
.font-mono { font-family: var(--font-mono); }
.text-dim   { color: var(--text-dim); }
.text-right { text-align: right; }
.text-center { text-align: center; }

/* ── Estructura de Páginas ── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.page-subtitle {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.section-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.header-time {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    color: var(--accent-blue);
    font-weight: 500;
}

/* ── Tarjetas de Estadísticas ── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon--total  { background: var(--accent-blue-dim); color: var(--accent-blue); }
.stat-icon--active { background: var(--success-dim); color: var(--success); }
.stat-icon--error  { background: var(--error-dim); color: var(--error); }
.stat-icon--idle   { background: #e9ecef; color: var(--text-secondary); }

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    font-family: var(--font-mono);
    line-height: 1;
}

.stat-value--active { color: var(--success); }
.stat-value--error  { color: var(--error); }

.stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* ── Badges de Estado ── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid transparent;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.status-connected  { background: var(--success-dim); color: var(--success); border-color: rgba(25,135,84,0.2); }
.status-connected .status-dot { background: var(--success); }

.status-connecting { background: var(--warning-dim); color: var(--warning); border-color: rgba(255,193,7,0.2); }
.status-connecting .status-dot { background: var(--warning); }

.status-error      { background: var(--error-dim); color: var(--error); border-color: rgba(220,53,69,0.2); }
.status-error .status-dot { background: var(--error); }

.status-disconnected { background: #e9ecef; color: var(--text-secondary); border-color: var(--border); }
.status-disconnected .status-dot { background: var(--text-muted); }

/* Small Badges */
.status-badge-sm {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
}
.status-dot-sm {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

/* ── Tarjetas en Dashboard ── */
.interfaces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.dash-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.dash-card.status-connected {
    border-top: 3px solid var(--success);
}

.dash-card.status-error {
    border-top: 3px solid var(--error);
}

.dash-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dash-card-icon {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.dash-card-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.dash-card-category {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.dash-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.meta-chip {
    background: #f1f3f5;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.15rem 0.5rem;
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* ── Mini Resultados ── */
.dash-results-mini {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
}

.mini-result {
    background: #f8f9fa;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.35rem;
    display: flex;
    flex-direction: column;
}

.mini-result.flag-high         { border-left: 2px solid var(--error); }
.mini-result.flag-low          { border-left: 2px solid var(--accent-blue); }
.mini-result.flag-criticalhigh { border-left: 2px solid var(--error); background: var(--error-dim); }
.mini-result.flag-criticallow  { border-left: 2px solid var(--accent-blue); background: var(--accent-blue-dim); }

.mini-code  { font-size: 0.6rem; font-family: var(--font-mono); color: var(--text-muted); text-transform: uppercase; }
.mini-value { font-size: 0.9rem; font-weight: 700; font-family: var(--font-mono); color: var(--text-primary); }
.mini-unit  { font-size: 0.58rem; color: var(--text-muted); }
.mini-flag  { font-size: 0.58rem; font-weight: 700; color: var(--error); }

.mini-more {
    grid-column: 1 / -1;
    text-align: center;
    font-size: 0.72rem;
    color: var(--text-muted);
    padding: 0.25rem;
    background: #f1f3f5;
    border-radius: var(--radius-sm);
}

.dash-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 0.5rem;
    margin-top: auto;
}

.last-data-ts {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.dash-waiting {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: #f8f9fa;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.8rem;
}

.waiting-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-blue);
    display: inline-block;
}

/* ── Tablas ── */
.all-interfaces-table {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.all-interfaces-table table {
    width: 100%;
    border-collapse: collapse;
}

.all-interfaces-table th {
    padding: 0.6rem 1rem;
    background: #f1f3f5;
    text-align: left;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.all-interfaces-table td {
    padding: 0.75rem 1rem;
    font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.all-interfaces-table tr:last-child td { border-bottom: none; }
.all-interfaces-table tr:hover td { background: #f8f9fa; }

.tbl-icon { margin-right: 0.5rem; color: var(--text-muted); }
.tbl-name { font-weight: 500; color: var(--text-primary); }
.tbl-link { color: var(--accent-blue); font-size: 0.8rem; font-weight: 500; }

/* ── Catálogo de Interfaces (Lista) ── */
.interfaces-catalog {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

.iface-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.iface-icon-wrap {
    width: 40px;
    height: 40px;
    background: var(--accent-blue-dim);
    color: var(--accent-blue);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.iface-name {
    font-weight: 600;
    font-size: 0.95rem;
}

.iface-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.iface-config-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.config-chip {
    background: #f8f9fa;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.25rem 0.5rem;
    display: flex;
    flex-direction: column;
}

.config-chip-label { font-size: 0.58rem; color: var(--text-muted); text-transform: uppercase; }
.config-chip-value { font-size: 0.78rem; color: var(--text-primary); }

.iface-live-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.5rem;
    background: var(--success-dim);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--success);
    font-family: var(--font-mono);
    border: 1px solid rgba(25,135,84,0.15);
}

.iface-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: auto;
}

.category-badge {
    display: inline-block;
    background: #e9ecef;
    color: var(--text-secondary);
    border-radius: 4px;
    padding: 0.1rem 0.5rem;
    font-size: 0.7rem;
    font-weight: 500;
}

/* ── Página de Detalle ── */
.detail-page { display: flex; flex-direction: column; gap: 1.25rem; }

.detail-header {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.back-link {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.detail-title-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.detail-icon { font-size: 2rem; color: var(--text-muted); }

.detail-status-area {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.15rem;
    margin-left: auto;
}

.uptime-label {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
}

.action-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.detail-body {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 1.25rem;
}

.detail-col { display: flex; flex-direction: column; gap: 1rem; }

/* ── Paneles ── */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: #f8f9fa;
    border-bottom: 1px solid var(--border);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.panel-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.panel-body { padding: 1rem; overflow-x: auto; }

/* ── Tabla de Resultados ── */
.results-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.results-table th {
    padding: 0.5rem 0.6rem;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.results-table td {
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid #f1f3f5;
    color: var(--text-secondary);
}

.result-row:hover td { background: #f8f9fa; }
.result-row.flag-high td       { background: rgba(220,53,69,0.03); }
.result-row.flag-low td        { background: rgba(13,110,253,0.03); }

.code-cell  { font-size: 0.78rem; font-family: var(--font-mono); color: var(--text-muted); }
.value-cell { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }

.flag-badge {
    display: inline-block;
    padding: 0.1rem 0.4rem;
    border-radius: 3px;
    font-size: 0.7rem;
    font-weight: 700;
}

.flag-badge--high         { background: var(--error-dim); color: var(--error); }
.flag-badge--low          { background: var(--accent-blue-dim); color: var(--accent-blue); }
.flag-badge--criticalhigh { background: var(--error); color: #ffffff; }
.flag-badge--criticallow  { background: var(--accent-blue); color: #ffffff; }

.flag-normal { color: var(--success); font-size: 0.75rem; }

.empty-results {
    padding: 1.5rem;
    text-align: center;
    color: var(--text-muted);
}

/* ── Historial ── */
.history-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
.history-table th {
    padding: 0.4rem 0.5rem;
    text-align: left;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.history-table td {
    padding: 0.4rem 0.5rem;
    border-bottom: 1px solid #f1f3f5;
    color: var(--text-secondary);
}
.badge-ok  { background: var(--success-dim); color: var(--success); padding: 0.1rem 0.3rem; border-radius: 3px; font-size: 0.68rem; font-weight: 600; }
.badge-err { background: var(--error-dim); color: var(--error); padding: 0.1rem 0.3rem; border-radius: 3px; font-size: 0.68rem; font-weight: 600; }

/* ── Configuración en Ficha Técnica ── */
.config-list { display: flex; flex-direction: column; }
.config-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #f1f3f5;
    font-size: 0.8rem;
}
.config-row:last-child { border-bottom: none; }
.config-key { color: var(--text-muted); }
.config-val { color: var(--text-primary); text-align: right; }

/* ── Terminal de Logs ── */
.panel--terminal { display: flex; flex-direction: column; }

.terminal {
    background: var(--bg-terminal);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    height: 320px;
    overflow-y: auto;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    color: #f8f9fa;
}

.terminal-empty {
    color: #6c757d;
    text-align: center;
    padding: 1.5rem;
}

.log-line {
    display: flex;
    gap: 0.5rem;
    line-height: 1.4;
    padding: 0.05rem 0;
}

.log-ts {
    color: #6c757d;
    flex-shrink: 0;
}

.log-msg { word-break: break-all; }

/* Colores de Log */
.log-info    .log-msg { color: #f8f9fa; }
.log-success .log-msg { color: #20c997; }
.log-warning .log-msg { color: #ffc107; }
.log-error   .log-msg { color: #dc3545; }
.log-raw     .log-msg { color: #0dcaf0; }

/* ── Botones ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--accent-blue);
    color: #ffffff;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.45rem 0.85rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.btn-primary:hover { background: #0b5ed7; }

.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--error);
    color: #ffffff;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.45rem 0.85rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.btn-danger:hover { background: #bb2d3b; }

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.45rem 0.85rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.btn-outline:hover { border-color: var(--accent-blue); color: var(--accent-blue); }

.btn-micro {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.68rem;
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.btn-micro:hover { color: var(--text-primary); border-color: var(--text-muted); }

/* ── Modales ── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 100%;
    max-width: 460px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.85rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
}

.modal-body {
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal-footer {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}

/* ── Formularios ── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.8rem;
    padding: 0.4rem 0.5rem;
    width: 100%;
    cursor: pointer;
}

.form-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
}

/* ── Empty states ── */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
    color: var(--text-muted);
}
.empty-icon { font-size: 2.5rem; margin-bottom: 0.5rem; color: var(--text-dim); }
.empty-state h3 { color: var(--text-secondary); margin-bottom: 0.25rem; font-size: 1.1rem; }

/* ── Estilos del Layout ── */
.app-shell {
    display: flex;
    min-height: 100vh;
    background: var(--bg-primary);
}

.sidebar {
    width: 240px;
    min-width: 240px;
    height: 100vh;
    position: sticky;
    top: 0;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.main-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.page-content {
    flex: 1;
    padding: 1.5rem;
    max-width: 1400px;
}

/* Responsive */
@media (max-width: 1024px) {
    .detail-body { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; }
    .page-content { padding: 1rem; }
}

@media (max-width: 640px) {
    .stats-row { grid-template-columns: 1fr; }
    .interfaces-grid { grid-template-columns: 1fr; }
    .interfaces-catalog { grid-template-columns: 1fr; }
    .dash-results-mini { grid-template-columns: repeat(2, 1fr); }
}