/* ================================================================
   DX-TRACER PREMIUM UI - SISTEMA DE INGENIERÍA V3.0
   ================================================================ */

:root {
    --dx-blue: #007bff;
    --dx-blue-glow: rgba(0, 123, 255, 0.25);
    --dx-green: #28a745;
    --dx-green-glow: rgba(40, 167, 69, 0.3);
    --dx-dark-panel: #1a1d21;
    --dx-text-main: #2d3436;
    --dx-text-dim: #636e72;
    --dx-border: #edf2f7;
    --bg-main: #f8f9fa;
}

/* 1. RESET Y SUAVIZADO */
body, html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--dx-text-main);
    margin: 0;
    height: 100vh;
    overflow: hidden; /* Evita el scroll global */
}

.dx-master-viewport {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.dx-main-container {
    width: 100%;
    height: 100%;
    max-width: 1600px;
    background: #ffffff;
    border-radius: 30px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--dx-border);
    overflow: hidden;
    display: flex;
}

/* 2. PANEL IZQUIERDO: LAYOUT FIJO CON SCROLL INTERNO */
.dx-info-side {
    flex: 8;
    height: 100%;
    background: #ffffff;
    display: flex;
    flex-direction: column; /* Crea la pila Header -> Content -> Footer */
}

.dx-header-branding {
    padding: 1.5rem 3rem;
    border-bottom: 1px solid var(--dx-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    z-index: 10;
}

.dx-system-title {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    margin: 0;
}

/* ÁREA DE CONTENIDO (Aquí ocurre el scroll) */
.dx-content-scrollable {
    flex: 1; /* Ocupa el espacio dinámico */
    overflow-y: auto; /* Activa el scroll vertical */
    padding: 3rem; /* Padding de respiro para las tarjetas */
    scroll-behavior: smooth;
}

.dx-footer-bar {
    padding: 1.2rem 3rem;
    border-top: 1px solid var(--dx-border);
    background: #fff;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--dx-text-dim);
    text-transform: uppercase;
}

/* 3. BOTONES PREMIUM Y CYBER */
.dx-btn-presentation-premium {
    background: #000;
    color: #fff;
    border: 1px solid #222;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 800;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: 0.3s;
    display: flex;
    align-items: center;
}

.dx-btn-presentation-premium:hover {
    background: var(--dx-blue);
    box-shadow: 0 8px 15px var(--dx-blue-glow);
    transform: translateY(-2px);
}

.dx-btn-demo-cyber {
    background: var(--dx-dark-panel);
    color: #fff;
    border: none;
    padding: 7px 16px;
    border-radius: 8px;
    font-size: 0.65rem;
    font-weight: 900;
    letter-spacing: 1px;
    cursor: pointer;
}

.dx-btn-demo-cyber:hover {
    background: var(--dx-blue);
}

/* 4. TARJETAS Y ETIQUETA GRATIS */
.dx-card-main {
    background: #ffffff;
    border: 1px solid var(--dx-border);
    border-radius: 20px;
    position: relative;
    margin-bottom: 2.5rem;
    transition: 0.3s;
}

.dx-free-module {
    border: 2px solid var(--dx-blue) !important;
    background: linear-gradient(to right, #ffffff, #f0f7ff);
}

.dx-ribbon-free {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--dx-green);
    color: white;
    padding: 6px 20px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 950;
    text-transform: uppercase;
    box-shadow: 0 8px 16px var(--dx-green-glow);
    border: 3px solid #fff;
}

.dx-card-header-tech {
    padding: 1.2rem 2rem;
    border-bottom: 1px solid var(--dx-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 900;
    font-size: 0.85rem;
}

.dx-card-body-tech {
    padding: 2rem;
}

/* 5. PANEL DERECHO: LOGIN (FIJO Y CENTRADO) */
.dx-login-side {
    flex: 4;
    background: #ffffff;
    border-left: 1px solid var(--dx-border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem;
}

.dx-login-content-box {
    width: 100%;
    max-width: 380px;
}

.dx-brand-icon-login {
    width: 64px;
    height: 64px;
    background: var(--dx-dark-panel);
    color: #fff;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.5rem;
    margin: 0 auto 1.5rem;
}

.dx-auth-title {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -1px;
    text-align: center;
}

.dx-auth-subtitle {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--dx-text-dim);
    text-align: center;
    margin-bottom: 2.5rem;
}

/* Inputs SaaS */
.dx-input-wrapper {
    position: relative;
    margin-bottom: 1.5rem;
}

.dx-input-wrapper i {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dx-blue);
    font-size: 1.1rem;
    z-index: 5;
}

.dx-input-saas {
    width: 100%;
    padding: 1.1rem 1.1rem 1.1rem 3.5rem !important;
    background: var(--bg-main) !important;
    border: 2px solid transparent !important;
    border-radius: 16px !important;
    font-weight: 700;
    font-size: 0.95rem;
    transition: 0.3s;
}

.dx-input-saas:focus {
    background: #fff !important;
    border-color: var(--dx-blue) !important;
    box-shadow: 0 0 0 4px var(--dx-blue-glow) !important;
    outline: none;
}

.dx-btn-login-execute {
    width: 100%;
    background: var(--dx-dark-panel);
    color: #fff;
    padding: 1.2rem;
    border-radius: 18px;
    border: none;
    font-weight: 900;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.dx-btn-login-execute:hover {
    background: var(--dx-blue);
    transform: translateY(-4px);
    box-shadow: 0 15px 30px var(--dx-blue-glow);
}

/* 6. HELPERS Y SCROLLBAR */
.dx-label-mini {
    display: block;
    font-size: 0.65rem;
    font-weight: 900;
    color: var(--dx-text-dim);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
}

.dx-text-small { font-size: 0.8rem; line-height: 1.5; color: var(--dx-text-dim); }
.dx-tech-list { list-style: none; padding: 0; }
.dx-tech-list li { font-size: 0.85rem; margin-bottom: 10px; font-weight: 600; }
.dx-tech-list li strong { color: var(--dx-blue); font-weight: 900; }

.dx-sub-box {
    background: var(--bg-main);
    padding: 1.2rem;
    border-radius: 15px;
    border: 1px solid var(--dx-border);
}

/* Custom Scrollbar */
.dx-content-scrollable::-webkit-scrollbar { width: 8px; }
.dx-content-scrollable::-webkit-scrollbar-track { background: transparent; }
.dx-content-scrollable::-webkit-scrollbar-thumb { background: var(--dx-border); border-radius: 10px; }
.dx-content-scrollable::-webkit-scrollbar-thumb:hover { background: #cbd5e0; }

.border-end-tech { border-right: 1px solid var(--dx-border); }

.dx-badge-status {
    background: #f0f4f8;
    padding: 6px 15px;
    border-radius: 30px;
    font-size: 0.75rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    color: var(--dx-text-main);
    letter-spacing: 0.5px;
}

.dx-dot-pulse {
    width: 8px;
    height: 8px;
    background: var(--dx-green);
    border-radius: 50%;
    margin-right: 10px;
    box-shadow: 0 0 0 rgba(40, 167, 69, 0.4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(40, 167, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0); }
}