/* ============================================================
   MATRIX-DNS — Professional Clean Dark Suite
   Balanced, High-contrast, Responsive Layout with Compact Inputs
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

:root {
    --bg-primary:     #080c14;
    --bg-secondary:   #0d1220;
    --bg-card:        #111827;
    --bg-card-hover:  #161e30;
    --border:         rgba(255,255,255,0.08);
    --border-accent:  rgba(0,210,255,0.3);

    --cyan:           #00d2ff;
    --cyan-dim:       rgba(0,210,255,0.15);
    --green:          #00e676;
    --green-dim:      rgba(0,230,118,0.15);
    --red:            #ff3d6b;
    --red-dim:        rgba(255,61,107,0.15);
    --yellow:         #ffd740;
    --yellow-dim:     rgba(255,215,64,0.15);
    --purple:         #b47aff;
    --purple-dim:     rgba(180,122,255,0.15);
    --orange:         #ff7043;
    --orange-dim:     rgba(255,112,67,0.15);

    --text-primary:   #e8edf5;
    --text-secondary: #8b9ab3;
    --text-muted:     #5a6a85;

    --header-height:  60px;
    --sidebar-width:  240px;
    --radius:         12px;
    --radius-sm:      8px;
    --shadow-card:    0 4px 16px rgba(0,0,0,0.3);
    --transition:     all 0.2s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary:     #f8fafc;
    --bg-secondary:   #ffffff;
    --bg-card:        #ffffff;
    --bg-card-hover:  #f1f5f9;
    --border:         rgba(0,0,0,0.1);
    --border-accent:  rgba(2,132,199,0.3);

    --cyan:           #0284c7;
    --cyan-dim:       rgba(2,132,199,0.1);
    --green:          #059669;
    --green-dim:      rgba(5,150,105,0.1);
    --red:            #e11d48;
    --red-dim:        rgba(225,29,72,0.1);
    --yellow:         #d97706;
    --yellow-dim:     rgba(217,119,6,0.1);
    --purple:         #7c3aed;
    --purple-dim:     rgba(124,58,237,0.1);

    --text-primary:   #0f172a;
    --text-secondary: #475569;
    --text-muted:     #94a3b8;
    --shadow-card:    0 2px 10px rgba(0,0,0,0.06);
}

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

html, body {
    height: 100%;
    font-family: 'Outfit', -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.5;
}

/* ---- Master Layout ---- */
.app-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
    grid-template-rows: var(--header-height) calc(100vh - var(--header-height));
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ---- Header ---- */
.app-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--cyan), var(--purple));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: 0 0 15px rgba(0,210,255,0.3);
}

.logo-text h1 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.logo-text span {
    font-size: 0.65rem;
    color: var(--text-muted);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.header-status {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.76rem;
    font-weight: 700;
}
.status-pill.online {
    background: var(--green-dim);
    color: var(--green);
    border: 1px solid rgba(0,230,118,0.3);
}
.status-pill.offline {
    background: var(--red-dim);
    color: var(--red);
    border: 1px solid rgba(255,61,107,0.3);
}
.status-pill .dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    background: currentColor;
}

.bind-version {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    background: rgba(255,255,255,0.04);
    padding: 5px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
}

/* ---- Sidebar ---- */
.app-sidebar {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
}

.nav-section {
    margin-bottom: 16px;
}

.nav-section-label {
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 12px;
    margin-bottom: 4px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 600;
    transition: var(--transition);
    border-radius: 8px;
    margin-bottom: 2px;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255,255,255,0.05);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--cyan-dim);
    color: var(--cyan);
    font-weight: 700;
}

.nav-item i { width: 18px; text-align: center; font-size: 0.9rem; }

.nav-badge {
    margin-left: auto;
    background: var(--red);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 1px 7px;
    border-radius: 10px;
}

.sidebar-footer {
    margin-top: auto;
    padding: 12px;
    text-align: center;
    font-size: 0.72rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    border-top: 1px solid var(--border);
}

/* ---- Main Content ---- */
.app-main {
    overflow-y: auto;
    padding: 20px 24px;
    background: var(--bg-primary);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-primary);
}

.page-title span {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 400;
    display: block;
    margin-top: 2px;
}

/* ---- Responsive Dashboard Cards Grid (Proporciones Exactas) ---- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(0,210,255,0.3);
    transform: translateY(-2px);
}

.card-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.card-icon.cyan   { background: var(--cyan-dim);   color: var(--cyan); }
.card-icon.green  { background: var(--green-dim);  color: var(--green); }
.card-icon.red    { background: var(--red-dim);    color: var(--red); }
.card-icon.yellow { background: var(--yellow-dim); color: var(--yellow); }
.card-icon.purple { background: var(--purple-dim); color: var(--purple); }
.card-icon.orange { background: var(--orange-dim); color: var(--orange); }

.card-value {
    font-size: 1.55rem;
    font-weight: 800;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
    line-height: 1.1;
}

.card-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 6px;
}

.card-badge {
    font-size: 0.72rem;
    font-weight: 600;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Charts & Split Form Grids */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.charts-grid-rev {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 20px;
    margin-bottom: 20px;
    align-items: start;
}

.grid-half {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
    align-items: start;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-card);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

.chart-title {
    font-size: 0.92rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ---- Controls, Form Inputs & Modern Alignment ---- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
    letter-spacing: 0.3px;
}

.form-control {
    width: 100%;
    max-width: 100%;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    color: var(--text-primary);
    font-size: 0.88rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
    box-sizing: border-box;
}

.form-control:focus {
    border-color: var(--cyan);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0 3px var(--cyan-dim);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Filas y Columnas de Formularios Profesionales */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.form-col {
    display: flex;
    flex-direction: column;
}

/* Fila de Filtros en Tablas */
.filter-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 12px;
    align-items: end;
}

/* Buttons - Tamaños Elegantes y Proporcionados */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    width: auto;
}

.btn-primary {
    background: var(--cyan);
    color: #000;
    box-shadow: 0 4px 14px rgba(0, 210, 255, 0.3);
}

.btn-primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 6px 20px rgba(0, 210, 255, 0.45);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    color: var(--text-primary);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(0, 210, 255, 0.4);
}

.btn-danger {
    background: rgba(255, 61, 107, 0.15);
    border: 1px solid rgba(255, 61, 107, 0.3);
    color: var(--red);
}

.btn-danger:hover {
    background: var(--red);
    color: #fff;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 0.78rem;
    border-radius: 6px;
}

/* Tablas Modernas y Limpias */
.table-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    background: rgba(255,255,255,0.02);
    padding: 11px 16px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 11px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text-secondary);
}

.data-table tr:hover td {
    background: rgba(255,255,255,0.02);
    color: var(--text-primary);
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
}

/* ============================================================
   📱 RESPONSIVE BREAKPOINTS (Laptops, Tablets y Móviles)
   ============================================================ */

/* ── Pantallas Medianas / Mini PC / Laptops (1024px - 1366px) ── */
@media (max-width: 1280px) {
    .cards-grid { 
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); 
    }
    .charts-grid { 
        grid-template-columns: 1fr; 
    }
}

/* ── Tablets Grandes / Laptops Compactas (769px - 1024px) ── */
@media (max-width: 992px) {
    .cards-grid { 
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); 
    }
    .filter-row { 
        grid-template-columns: 1fr 1fr; 
    }
    .grid-half { 
        grid-template-columns: 1fr; 
    }
    .charts-grid-rev { 
        grid-template-columns: 1fr; 
    }
}

/* ── Tablets y Móviles (≤ 900px) ── */
@media (max-width: 900px) {
    .app-layout { 
        grid-template-columns: 1fr; 
        grid-template-rows: var(--header-height) calc(100vh - var(--header-height));
    }
    
    .mobile-toggle { 
        display: inline-flex; 
        align-items: center;
        justify-content: center;
    }

    .app-sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        width: 270px;
        z-index: 1000;
        transition: left 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 12px 0 35px rgba(0,0,0,0.85);
        padding-top: calc(var(--header-height) + 12px);
    }
    
    .app-sidebar.show { 
        left: 0; 
    }

    .bind-version { 
        display: none; 
    }
    .logo-text span { 
        display: none; 
    }

    .app-main {
        padding: 16px;
    }

    .cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)) !important;
        gap: 12px;
    }

    .card { 
        padding: 14px; 
    }
    .card-value { 
        font-size: 1.35rem; 
    }

    .form-row {
        grid-template-columns: 1fr !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 12px !important;
    }
}

/* ── Móviles y Pantallas Pequeñas (≤ 600px) ── */
@media (max-width: 600px) {
    .app-header {
        padding: 0 12px;
    }
    
    .header-logo {
        gap: 8px;
    }
    
    .logo-icon {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
    
    .logo-text h1 {
        font-size: 1rem;
    }

    .header-status {
        gap: 6px;
    }

    .status-pill {
        padding: 4px 8px;
        font-size: 0.7rem;
    }

    .header-actions .btn span { 
        display: none; 
    }
    
    .header-actions .btn {
        padding: 6px 10px;
    }

    .app-main {
        padding: 12px 10px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 16px;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .filter-row { 
        grid-template-columns: 1fr; 
    }

    .table-card { 
        overflow-x: auto; 
        -webkit-overflow-scrolling: touch;
        border-radius: var(--radius-sm);
    }

    .data-table {
        min-width: 520px;
    }

    .matrix-modal-card {
        padding: 0 !important;
        margin: 10px;
    }

    /* Formularios de 2 columnas dentro de modales a 1 columna */
    .matrix-modal-card form > div[style*="grid-template-columns:1fr 1fr"],
    .matrix-modal-card form > div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    .submenu-tabs-bar {
        gap: 6px;
    }

    .main-subtab {
        padding: 8px 14px;
        font-size: 0.8rem;
    }
}

/* ── Móviles Ultra Compactos (≤ 380px / Galaxy Fold, etc.) ── */
@media (max-width: 380px) {
    .cards-grid {
        grid-template-columns: 1fr !important;
    }
    .status-pill span:not(.dot) {
        display: none;
    }
}

/* Scrollbar Elegante */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.3); }