/* /public_html/assets/css/main.css */
:root {
    --bg-base: #090c10;
    --bg-surface: #0f141c;
    --bg-card: #151b24;
    --bg-input: #121820;
    --border-subtle: #1e2633;
    --border-highlight: #2a3547;
    --brand-green-dark: #0f3d24;
    --brand-green-border: #165633;
    --brand-green-hover: #14532d;
    --accent-lime: #00ff55;
    --accent-lime-muted: rgba(0, 255, 85, 0.12);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Maestro / NavBar Admin */
.nav-bar {
    width: 100%;
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.brand {
    font-size: 22px;
    font-weight: 900;
    text-decoration: none;
    letter-spacing: -0.03em;
}
.brand-billu { color: #ffffff; }
.brand-ya { color: var(--accent-lime); }

.nav-links {
    display: flex;
    gap: 14px;
    align-items: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: 4px;
    white-space: nowrap;
    transition: all 0.15s ease;
}
.nav-link:hover, .nav-link.active {
    color: #fff;
    background: var(--bg-card);
}
.nav-badge {
    background: var(--accent-lime);
    color: #000;
    font-size: 11px;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 10px;
    margin-left: 4px;
}

/* Contenedores y Grillas */
.container {
    max-width: 1320px;
    margin: 24px auto;
    padding: 0 20px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.panel-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 20px;
}
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}
.kpi-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.kpi-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}
.kpi-val {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}
.kpi-val.lime { color: var(--accent-lime); }
.kpi-val.danger { color: #f87171; }
.kpi-val.blue { color: #60a5fa; }

/* Tablas Estandarizadas */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 780px;
}
.data-table th {
    text-align: left;
    padding: 12px 14px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}
.data-table td {
    padding: 14px;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-secondary);
}
.data-table tr:hover td {
    background: var(--bg-card);
}

/* Etiquetas y Estados */
.badge-scoring {
    display: inline-block;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
}
.tag-nuevo { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.tag-perfecto { background: rgba(0, 255, 85, 0.15); color: var(--accent-lime); border: 1px solid rgba(0, 255, 85, 0.3); }
.tag-moroso { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.tag-incobrable { background: rgba(239, 68, 68, 0.2); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.4); }

/* Botones y Formularios */
.btn-action {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: #fff;
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: all 0.15s ease;
}
.btn-action:hover {
    border-color: var(--accent-lime);
    color: var(--accent-lime);
}
.btn-success {
    background: var(--brand-green-dark);
    border: 1px solid var(--brand-green-border);
    color: var(--accent-lime);
}
.btn-success:hover {
    background: var(--brand-green-hover);
    color: #fff;
}
.btn-wsp {
    background: #142a1f;
    border: 1px solid #1c4d32;
    color: #25d366;
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    text-decoration: none;
    display: inline-block;
}

.form-group { margin-bottom: 14px; }
.form-label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    display: block;
    margin-bottom: 6px;
}
.form-input, .form-select {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    color: #fff;
    padding: 10px;
    border-radius: 4px;
    outline: none;
    font-size: 13px;
    transition: border-color 0.15s ease;
}
.form-input:focus, .form-select:focus {
    border-color: var(--brand-green-border);
}

/* Alertas */
.alert-ok {
    background: rgba(0, 255, 85, 0.1);
    border: 1px solid rgba(0, 255, 85, 0.3);
    color: var(--accent-lime);
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
}
.alert-err {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    margin-bottom: 16px;
}

/* Modales */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    overflow-y: auto;
}
.modal.active { display: flex; }
.modal-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    max-width: 580px;
    width: 100%;
    padding: 24px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-title {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 16px;
    text-transform: uppercase;
    color: #fff;
}