:root { 
    --bg-dark: #060D18;
    --card-bg: rgba(11, 23, 42, 0.85); 
    --card-border: rgba(76, 154, 255, 0.18); 
    --text-main: #F4F5F7; 
    --text-sub: #8C9BAE;
    --primary: #0052CC; 
    --primary-gradient: linear-gradient(135deg, #0052CC 0%, #0065FF 100%);
    --primary-hover: #0065FF; 
    --danger: #DE350B; 
    --danger-gradient: linear-gradient(135deg, #DE350B 0%, #FF5630 100%);
    --danger-hover: #FF5630;
    --success: #36B37E;
    --nav-bg: rgba(6, 17, 36, 0.95);
    --input-bg: #040A14;
    --input-border: #1E3A5F;
}

* {
    box-sizing: border-box;
}

body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif; 
    background-color: var(--bg-dark); 
    /* Fondo estilo Grilla Técnica / Jira Blueprint */
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(0, 82, 204, 0.3) 0%, transparent 60%),
        linear-gradient(90deg, rgba(76, 154, 255, 0.05) 1px, transparent 1px),
        linear-gradient(0deg, rgba(76, 154, 255, 0.05) 1px, transparent 1px);
    background-size: 100% 100%, 24px 24px, 24px 24px;
    background-position: center, -1px -1px, -1px -1px;
    color: var(--text-main); 
    margin: 0; padding: 0; min-height: 100vh; 
    display: flex; flex-direction: column;
}

/* NAVBAR Y ESTADO USB */
.navbar {
    background: var(--nav-bg); 
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--card-border);
    color: white; padding: 14px 28px;
    display: flex; justify-content: space-between; align-items: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.4);
    position: sticky; top: 0; z-index: 100;
}

.nav-brand {
    display: flex; align-items: center; gap: 12px;
}
.logo-icon {
    font-size: 22px; filter: drop-shadow(0 0 8px rgba(0, 101, 255, 0.6));
}
.brand-text h1 { 
    margin: 0; font-size: 17px; font-weight: 700; letter-spacing: 0.5px;
    background: linear-gradient(90deg, #FFF 0%, #4C9AFF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.brand-badge {
    font-size: 10px; text-transform: uppercase; letter-spacing: 1px;
    color: #4C9AFF; font-weight: 600; background: rgba(76, 154, 255, 0.12);
    padding: 2px 6px; border-radius: 4px; border: 1px solid rgba(76, 154, 255, 0.3);
}

.nav-actions {
    display: flex; align-items: center; gap: 14px;
}

/* Pill indicador de conexión */
.status-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
    transition: all 0.3s ease; white-space: nowrap;
}
.status-pill.offline {
    background: rgba(140, 155, 174, 0.12);
    border: 1px solid rgba(140, 155, 174, 0.3);
    color: var(--text-sub);
}
.status-pill.online {
    background: rgba(54, 179, 126, 0.15);
    border: 1px solid rgba(54, 179, 126, 0.4);
    color: #57D9A3;
    box-shadow: 0 0 10px rgba(54, 179, 126, 0.2);
}
.status-dot {
    width: 8px; height: 8px; border-radius: 50%; background: currentColor;
}
.status-pill.online .status-dot {
    animation: pulse 1.8s infinite;
}
@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(54, 179, 126, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 6px rgba(54, 179, 126, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(54, 179, 126, 0); }
}

/* BOTÓN DESCONECTAR USB */
.btn-disconnect {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(222, 53, 11, 0.12);
    border: 1px solid rgba(222, 53, 11, 0.4);
    color: #FF8F73; font-size: 13px; font-weight: 600;
    padding: 6px 14px; border-radius: 6px; cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}
.btn-disconnect:hover {
    background: var(--danger-gradient);
    color: white; border-color: transparent;
    box-shadow: 0 4px 12px rgba(222, 53, 11, 0.4);
    transform: translateY(-1px);
}

/* LAYOUT PRINCIPAL */
.main-content {
    display: grid; grid-template-columns: 360px 1fr; gap: 24px;
    padding: 32px 24px; max-width: 1200px; margin: 0 auto; width: 100%;
    box-sizing: border-box; flex: 1;
    animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.centered-view { 
    display: flex; justify-content: center; align-items: center; flex: 1; padding: 24px;
    animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
.centered-card { max-width: 420px; width: 100%; text-align: center; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.left-column {
    display: flex; flex-direction: column; gap: 24px;
}

/* CARDS ESTILO JIRA */
.card { 
    background: var(--card-bg); 
    backdrop-filter: blur(16px);
    border: 1px solid var(--card-border); 
    border-radius: 8px; 
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05); 
    padding: 24px; 
    transition: border-color 0.2s ease;
}
.card:hover {
    border-color: rgba(76, 154, 255, 0.35);
}

h2 { 
    font-size: 16px; font-weight: 700; margin-top: 0; margin-bottom: 16px; 
    border-bottom: 1px solid var(--card-border); padding-bottom: 12px;
    color: #4C9AFF; display: flex; align-items: center; gap: 8px;
}
h3 {
    font-size: 14px; font-weight: 700; margin-top: 0; margin-bottom: 6px; color: #4C9AFF;
}
label { 
    display: block; font-size: 12px; font-weight: 600; color: var(--text-sub); 
    margin-bottom: 6px; margin-top: 14px; text-transform: uppercase; letter-spacing: 0.5px;
}

/* INPUTS, TEXTAREAS Y SELECTS */
input[type="text"], input[type="password"], input[type="file"], select, textarea { 
    width: 100%; padding: 10px 14px; margin-bottom: 10px; 
    border: 1.5px solid var(--input-border); 
    border-radius: 6px; font-size: 14px; box-sizing: border-box; 
    background: var(--input-bg); transition: all 0.2s ease; color: var(--text-main);
    font-family: inherit; resize: vertical;
}
select {
    cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234C9AFF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat; background-position: right 12px center; background-size: 16px;
    padding-right: 36px;
}
input:focus, select:focus, textarea:focus { 
    border-color: #4C9AFF; outline: none; background: #07152B; 
    box-shadow: 0 0 0 3px rgba(76, 154, 255, 0.25);
}
textarea.notes-display {
    background: rgba(4, 10, 20, 0.8); color: #B3D4FF; border-color: rgba(76, 154, 255, 0.2);
    font-size: 13px; line-height: 1.4;
}

/* FILTROS POR CARPETA */
.folder-filter-bar {
    display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px;
}
.folder-pill {
    padding: 5px 12px; border-radius: 16px; font-size: 12px; font-weight: 600;
    background: rgba(76, 154, 255, 0.08); border: 1px solid rgba(76, 154, 255, 0.2);
    color: #B3D4FF; cursor: pointer; transition: all 0.2s ease;
    display: inline-flex; align-items: center; gap: 6px;
}
.folder-pill:hover {
    background: rgba(76, 154, 255, 0.18); border-color: #4C9AFF; color: white;
}
.folder-pill.active {
    background: #0052CC; border-color: #0065FF; color: white;
    box-shadow: 0 2px 8px rgba(0, 82, 204, 0.4);
}


/* SELECTOR DE ETIQUETAS (TAG CHIPS) EN FORMULARIOS */
.tag-chips-box {
    display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px;
    max-height: 90px; overflow-y: auto; padding: 2px 0;
}
.tag-chip {
    padding: 3px 10px; border-radius: 12px; font-size: 11.5px; font-weight: 600;
    background: rgba(76, 154, 255, 0.08); border: 1px solid rgba(76, 154, 255, 0.2);
    color: #B3D4FF; cursor: pointer; transition: all 0.2s ease;
    display: inline-flex; align-items: center; gap: 4px; user-select: none;
}
.tag-chip:hover {
    background: rgba(76, 154, 255, 0.2); border-color: #4C9AFF; color: white;
}
.tag-chip.active {
    background: #0052CC; border-color: #0065FF; color: white;
    box-shadow: 0 2px 6px rgba(0, 82, 204, 0.4);
}
.badge-folder {
    font-size: 9.5px; font-weight: 700; text-transform: uppercase;
    background: rgba(76, 154, 255, 0.1); color: #4C9AFF;
    border: 1px solid rgba(76, 154, 255, 0.2); padding: 1px 6px; border-radius: 4px;
    letter-spacing: 0.5px; line-height: 1.3; margin-top: 2px;
}
.item-subinfo {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 3px;
}
.item-username {
    font-size: 12px; color: #8C9BAE; display: flex; align-items: center; gap: 4px;
}

/* GENERADOR Y CONTROLES */
.generator-options { 
    background: rgba(4, 10, 20, 0.6); padding: 14px; border-radius: 6px; 
    border: 1px solid rgba(76, 154, 255, 0.12); margin-bottom: 18px; 
}
.checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.checkbox-item { 
    display: flex; align-items: center; gap: 6px; font-size: 12px; cursor: pointer; 
    background: rgba(76, 154, 255, 0.08); padding: 4px 10px; border-radius: 4px;
    border: 1px solid rgba(76, 154, 255, 0.15); color: #B3D4FF; transition: all 0.2s;
}
.checkbox-item:hover { background: rgba(76, 154, 255, 0.18); }
input[type="range"] { 
    width: 100%; cursor: pointer; accent-color: #0065FF; margin: 8px 0;
}

/* BOTONES GENERALES */
button { 
    padding: 10px 16px; border: none; border-radius: 6px; cursor: pointer; 
    font-size: 14px; font-weight: 600; transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1); 
    width: 100%; display: inline-flex; justify-content: center; align-items: center; gap: 8px;
}
button.primary { 
    background: var(--primary-gradient); color: #FFF; 
    box-shadow: 0 2px 8px rgba(0, 82, 204, 0.4);
}
button.primary:hover { 
    background: linear-gradient(135deg, #0065FF 0%, #2684FF 100%);
    box-shadow: 0 4px 14px rgba(0, 101, 255, 0.6); transform: translateY(-1px);
}
button.danger { 
    background: var(--danger-gradient); color: #FFF; 
    box-shadow: 0 2px 8px rgba(222, 53, 11, 0.3);
}
button.danger:hover { 
    box-shadow: 0 4px 14px rgba(222, 53, 11, 0.5); transform: translateY(-1px);
}
button.default { 
    background: rgba(76, 154, 255, 0.08); color: #DEEBFF; 
    border: 1px solid rgba(76, 154, 255, 0.2); 
}
button.default:hover { 
    background: rgba(76, 154, 255, 0.18); border-color: rgba(76, 154, 255, 0.4); 
}

/* CREDENCIALES EN LISTA */
.item { 
    display: flex; justify-content: space-between; align-items: center; 
    border: 1px solid var(--card-border); padding: 12px 16px; margin-bottom: 10px; 
    border-radius: 6px; background: rgba(4, 10, 20, 0.5); transition: all 0.2s ease;
}
.item:hover { 
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3); border-color: #4C9AFF; 
    background: rgba(76, 154, 255, 0.05); transform: translateX(2px);
}
.item-info { 
    display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
}
.item-name { 
    font-weight: 600; font-size: 15px; color: #F4F5F7; display: flex; align-items: center; gap: 6px;
    word-break: break-word;
}
.actions { display: flex; gap: 8px; }

/* SECCIÓN BACKUP & RESTORE */
.backup-section {
    border-top: 1px solid var(--card-border); padding-top: 18px; margin-top: 24px;
}
.backup-buttons {
    display: flex; gap: 12px;
}

/* MODALES DE CONTRASEÑA Y BACKUP */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(3, 8, 16, 0.8); backdrop-filter: blur(8px);
    display: flex; justify-content: center; align-items: center; z-index: 200;
}
.modal-card {
    background: #0B172A; border: 1px solid #4C9AFF; border-radius: 8px;
    padding: 24px; width: 90%; max-width: 440px; box-shadow: 0 12px 40px rgba(0,0,0,0.6);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px;
}
.modal-header h3 { margin: 0; font-size: 16px; color: #4C9AFF; }
.btn-close {
    background: none; border: none; color: var(--text-sub); font-size: 22px;
    cursor: pointer; width: auto; padding: 0 6px;
}
.btn-close:hover { color: white; }
.copy-input-group {
    display: flex; gap: 8px; margin-top: 8px;
}
.copy-input-group input {
    margin-bottom: 0; font-family: monospace; font-size: 15px; letter-spacing: 1px; color: #57D9A3;
}
.copy-input-group button {
    width: 100px; flex-shrink: 0;
}

/* UTILITIES */
.hidden { display: none !important; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 14px; }
.mt-4 { margin-top: 20px; }
.m-0 { margin: 0; }
.text-left { text-align: left; }
.subtitle { font-size: 13px; color: var(--text-sub); line-height: 1.4; }
.align-start { align-self: start; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.len-indicator { font-size: 12px; font-weight: bold; color: #4C9AFF; }
.btn-small { width: auto; padding: 6px 14px; font-size: 12px; }

/* AUTO-LOCK SELECTOR */
.autolock-container {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(76, 154, 255, 0.08); border: 1px solid rgba(76, 154, 255, 0.2);
    padding: 3px 10px; border-radius: 6px; font-size: 12px;
    white-space: nowrap; flex-shrink: 0;
}
.autolock-label {
    display: inline-flex; align-items: center; margin: 0; text-transform: none; 
    font-size: 12px; color: #B3D4FF; font-weight: 500; white-space: nowrap; letter-spacing: normal;
}
.autolock-select {
    width: auto; padding: 2px 20px 2px 4px; margin: 0; font-size: 12px;
    background-color: transparent; border: none; color: #FFF; font-weight: 600;
    height: auto; cursor: pointer; flex-shrink: 0; white-space: nowrap;
}
.autolock-select:focus {
    box-shadow: none; border-color: transparent; background: rgba(76, 154, 255, 0.15);
}

/* PORTAPAPELES BANNER COUNTDOWN */
.clipboard-banner {
    background: rgba(54, 179, 126, 0.15); border: 1px solid rgba(54, 179, 126, 0.35);
    color: #57D9A3; font-size: 12px; font-weight: 600; padding: 6px 12px;
    border-radius: 6px; text-align: center; animation: fadeIn 0.3s ease;
}

/* DASHBOARD DE SALUD */
.health-metrics-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; width: 100%;
}
.metric-card {
    background: rgba(4, 10, 20, 0.6); border: 1px solid rgba(76, 154, 255, 0.15);
    border-radius: 6px; padding: 10px 4px; text-align: center;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.metric-val {
    font-size: 18px; font-weight: 800; color: #4C9AFF; line-height: 1.2;
}
.metric-val.warn { color: #FFAB00; }
.metric-val.danger { color: #FF5630; }
.metric-lbl {
    font-size: 10px; font-weight: 600; color: var(--text-sub); text-transform: uppercase; margin-top: 2px;
}
.health-alerts-box {
    background: rgba(4, 10, 20, 0.7); border: 1px solid rgba(76, 154, 255, 0.15);
    border-radius: 6px; padding: 10px; max-height: 140px; overflow-y: auto;
    display: flex; flex-direction: column; gap: 6px; font-size: 11px;
}
.health-alert-item {
    display: flex; align-items: center; gap: 6px; color: #DEEBFF; padding: 4px 6px;
    border-radius: 4px; background: rgba(255, 255, 255, 0.03);
}
.health-alert-item.alert-dup { border-left: 3px solid #FF5630; }
.health-alert-item.alert-weak { border-left: 3px solid #FFAB00; }

/* BUSQUEDA EN TIEMPO REAL */
.search-container input {
    margin-bottom: 0; background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238C9BAE' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='11' cy='11' r='8'%3e%3c/circle%3e%3cline x1='21' y1='21' x2='16.65' y2='16.65'%3e%3c/line%3e%3c/svg%3e");
    background-repeat: no-repeat; background-position: left 12px center; background-size: 16px;
    padding-left: 38px;
}

/* BADGES DE ADVERTENCIA DE CREDENCIALES */
.badge-warning-group {
    display: flex; gap: 4px; flex-wrap: wrap; margin-top: 2px;
}
.badge-dup {
    font-size: 9px; font-weight: 700; text-transform: uppercase;
    background: rgba(222, 53, 11, 0.15); color: #FF7D60;
    border: 1px solid rgba(222, 53, 11, 0.35); padding: 1px 5px; border-radius: 4px;
}
.badge-weak {
    font-size: 9px; font-weight: 700; text-transform: uppercase;
    background: rgba(255, 171, 0, 0.15); color: #FFC400;
    border: 1px solid rgba(255, 171, 0, 0.35); padding: 1px 5px; border-radius: 4px;
}

/* MODALES GRANDES Y EXTENDIDOS */
.modal-card.modal-large { max-width: 560px; }
.modal-card.modal-extra-large { max-width: 840px; }

/* BADGES DE AUTO-DETECCION */
.detected-badge {
    background: rgba(0, 82, 204, 0.2); border: 1px solid rgba(76, 154, 255, 0.4);
    color: #4C9AFF; font-size: 13px; font-weight: 600; padding: 8px 14px;
    border-radius: 6px; display: inline-flex; align-items: center; gap: 8px;
}

/* GRID DE MAPEO DE CSV */
.csv-mapping-grid {
    display: flex; flex-direction: column; gap: 10px; background: rgba(4, 10, 20, 0.5);
    border: 1px solid rgba(76, 154, 255, 0.15); padding: 14px; border-radius: 6px;
}
.csv-map-row {
    display: grid; grid-template-columns: 180px 1fr; align-items: center; gap: 12px;
}
.csv-map-row label {
    margin: 0; text-transform: none; font-size: 13px; color: #DEEBFF; font-weight: 600;
}
.csv-map-row select {
    margin: 0;
}

/* TABLA DE PREVISUALIZACION DE CSV */
.csv-preview-table-wrapper {
    max-height: 320px; overflow-y: auto; overflow-x: auto;
    border: 1px solid rgba(76, 154, 255, 0.2); border-radius: 6px;
    background: rgba(4, 10, 20, 0.7);
}
.csv-preview-table {
    width: 100%; border-collapse: collapse; font-size: 12px; text-align: left;
}
.csv-preview-table th {
    background: rgba(11, 23, 42, 0.95); color: #4C9AFF; padding: 10px 12px;
    font-weight: 700; border-bottom: 1px solid rgba(76, 154, 255, 0.2);
    position: sticky; top: 0; z-index: 10;
}
.csv-preview-table td {
    padding: 8px 12px; border-bottom: 1px solid rgba(76, 154, 255, 0.08);
    color: var(--text-main); vertical-align: middle;
}
.csv-preview-table tr:hover {
    background: rgba(76, 154, 255, 0.06);
}
.csv-preview-table input[type="checkbox"] {
    width: 16px; height: 16px; margin: 0; cursor: pointer; accent-color: #0065FF;
}

/* BADGES DE ESTADO DE PREVISUALIZACION */
.badge-status-valid {
    background: rgba(54, 179, 126, 0.15); color: #57D9A3;
    border: 1px solid rgba(54, 179, 126, 0.4); padding: 2px 6px; border-radius: 4px; font-weight: 700; font-size: 10px;
}
.badge-status-warn {
    background: rgba(255, 171, 0, 0.15); color: #FFC400;
    border: 1px solid rgba(255, 171, 0, 0.4); padding: 2px 6px; border-radius: 4px; font-weight: 700; font-size: 10px;
}
.badge-status-skip {
    background: rgba(222, 53, 11, 0.15); color: #FF7D60;
    border: 1px solid rgba(222, 53, 11, 0.4); padding: 2px 6px; border-radius: 4px; font-weight: 700; font-size: 10px;
}

/* BARRA DE PROGRESO DE IMPORTACION */
.progress-bar-bg {
    width: 100%; height: 10px; background: rgba(4, 10, 20, 0.8);
    border: 1px solid rgba(76, 154, 255, 0.3); border-radius: 5px; overflow: hidden;
}
.progress-bar-fill {
    height: 100%; background: linear-gradient(90deg, #0052CC 0%, #57D9A3 100%);
    transition: width 0.2s ease;
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) { 
    .main-content { grid-template-columns: 1fr; padding: 12px; } 
    .navbar { padding: 12px 16px; }
    .brand-badge { display: none; }
    .backup-buttons { flex-direction: column; }
    .autolock-container { display: none !important; }
    .csv-map-row { grid-template-columns: 1fr; gap: 4px; }


    /* Ocultar texto secundario USB en móvil */
    .status-extra, .btn-text-extra {
        display: none !important;
    }

    /* Ocultar texto de botones de acción en móvil y dejar solo íconos */
    .btn-action .btn-text {
        display: none;
    }
    .btn-action {
        padding: 8px 10px;
        min-width: 36px;
    }
    .actions {
        gap: 6px;
    }
}