/* ==========================================================================
   ARHITECTURĂ ENTERPRISE CORPORATIVE - SISTEM INTEGRAT DE GESTIUNE & AUDIT
   Design sobru, profesional (Fără estetică AI/Chatbot, stil instituțional ERP)
   ========================================================================== */

:root {
    /* Paleta Cromatică Instituțional - Financiară */
    --corporate-navy: #0B192C;
    --corporate-blue: #1D4ED8;
    --corporate-hover: #1E40AF;
    --slate-dark: #1E293B;
    --slate-medium: #334155;
    --slate-light: #64748B;
    --border-color: #CBD5E1;
    --border-subtle: #E2E8F0;
    --bg-alabaster: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-row-zebra: #F1F5F9;
    --text-primary: #0F172A;
    --text-muted: #475569;
    
    /* Indicatori de Stabilitate și Risc Contabil */
    --status-success: #16A34A;
    --bg-success: #DCFCE7;
    --status-warning: #D97706;
    --bg-warning: #FEF3C7;
    --status-danger: #DC2626;
    --bg-danger: #FEE2E2;
    --status-info: #0284C7;
    --bg-info: #E0F2FE;
    
    /* Tipografie Instituțională (Densitate Mare de Date) */
    --font-stack: 'Inter', 'Roboto', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
}

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

body {
    font-family: var(--font-stack);
    background-color: var(--bg-alabaster);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 13px; /* Densitate de date enterprise */
    overflow-x: hidden;
}

/* --------------------------------------------------------------------------
   HEADER CORPORATIV & ANTET SISTEM
   -------------------------------------------------------------------------- */
.enterprise-header {
    background-color: var(--corporate-navy);
    color: #FFFFFF;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    height: 60px;
    border-bottom: 3px solid var(--corporate-blue);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

.brand-icon {
    font-size: 20px;
    background: var(--corporate-blue);
    padding: 6px 10px;
    border-radius: 4px;
    font-weight: 700;
}

.brand-title {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.brand-subtitle {
    font-size: 11px;
    color: #94A3B8;
    margin-top: 2px;
    font-weight: 400;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.tenant-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--slate-dark);
    padding: 6px 14px;
    border: 1px solid #334155;
    border-radius: 4px;
}

.tenant-label {
    font-size: 11px;
    color: #94A3B8;
    text-transform: uppercase;
    font-weight: 600;
}

.tenant-select {
    background: transparent;
    color: #FFFFFF;
    border: none;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
}

.sso-badge {
    background-color: var(--status-success);
    color: #FFFFFF;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* --------------------------------------------------------------------------
   BARĂ DE NAVIGARE MAJORĂ (CELE 4 CENTRE OPERAȚIONALE)
   -------------------------------------------------------------------------- */
.main-nav {
    background-color: var(--slate-dark);
    display: flex;
    padding: 0 24px;
    border-bottom: 1px solid #334155;
    gap: 8px;
}

.nav-tab {
    padding: 14px 20px;
    color: #94A3B8;
    font-weight: 600;
    font-size: 13px;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-tab:hover {
    color: #FFFFFF;
    background-color: rgba(255, 255, 255, 0.05);
}

.nav-tab.active {
    color: #FFFFFF;
    border-bottom-color: var(--corporate-blue);
    background-color: rgba(29, 78, 216, 0.15);
}

/* --------------------------------------------------------------------------
   LAYOUT GENERAL PENTRU CENTRE OPERAȚIONALE (SIDEBAR + DATA GRID)
   -------------------------------------------------------------------------- */
.center-container {
    display: none;
    min-height: calc(100vh - 110px);
}

.center-container.active {
    display: flex;
}

.sub-sidebar {
    width: 260px;
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
}

.sub-sidebar-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--slate-light);
    text-transform: uppercase;
    padding: 0 20px 12px;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 8px;
}

.sub-nav-item {
    padding: 12px 20px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 4px solid transparent;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.sub-nav-item:hover {
    background-color: var(--bg-row-zebra);
    color: var(--text-primary);
}

.sub-nav-item.active {
    background-color: #EFF6FF;
    color: var(--corporate-blue);
    border-left-color: var(--corporate-blue);
}

.main-content-area {
    flex: 1;
    padding: 24px 32px;
    background-color: var(--bg-alabaster);
    overflow-y: auto;
}

/* --------------------------------------------------------------------------
   COMPONENTA PANOU OPERAȚIONAL
   -------------------------------------------------------------------------- */
.work-panel {
    display: none;
    flex-direction: column;
    gap: 24px;
}

.work-panel.active {
    display: flex;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    padding: 16px 24px;
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.05);
}

.panel-title h2 {
    font-size: 18px;
    font-weight: 700;
    color: var(--corporate-navy);
}

.panel-title p {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* --------------------------------------------------------------------------
   CARDURI EXECUTIVE PENTRU INDICATORI (KPI METRICS)
   -------------------------------------------------------------------------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.kpi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 1px 2px 0 rgba(0,0,0,0.03);
    border-top: 4px solid var(--corporate-blue);
}

.kpi-card.success { border-top-color: var(--status-success); }
.kpi-card.warning { border-top-color: var(--status-warning); }
.kpi-card.danger { border-top-color: var(--status-danger); }

.kpi-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--slate-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin: 8px 0 4px;
    font-family: var(--font-mono);
}

.kpi-target {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    display: inline-block;
    width: fit-content;
}

.kpi-target.ok { background-color: var(--bg-success); color: var(--status-success); }
.kpi-target.warn { background-color: var(--bg-warning); color: var(--status-warning); }
.kpi-target.risk { background-color: var(--bg-danger); color: var(--status-danger); }

/* --------------------------------------------------------------------------
   MESE ȘI TABELE CONTABILE (ERP DATA DENSITY)
   -------------------------------------------------------------------------- */
.erp-table-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.table-title-bar {
    background-color: var(--slate-dark);
    color: #FFFFFF;
    padding: 12px 18px;
    font-size: 13px;
    font-weight: 700;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.erp-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}

.erp-table th {
    background-color: var(--bg-row-zebra);
    color: var(--slate-dark);
    font-weight: 700;
    text-align: left;
    padding: 10px 14px;
    border-bottom: 2px solid var(--border-color);
    border-right: 1px solid var(--border-subtle);
}

.erp-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
    color: var(--text-primary);
}

.erp-table tr:nth-child(even) {
    background-color: var(--bg-row-zebra);
}

.erp-table tr:hover {
    background-color: #E2E8F0;
}

.erp-table .num-col {
    font-family: var(--font-mono);
    text-align: right;
    font-weight: 600;
}

.erp-table .total-row {
    background-color: #E2E8F0;
    font-weight: 800;
    border-top: 2px solid var(--corporate-navy);
}

/* --------------------------------------------------------------------------
   ZONE DE ALERTĂ ȘI DETECȚIE RISIPĂ (CONTURI 600-658)
   -------------------------------------------------------------------------- */
.alert-banner {
    background-color: var(--bg-danger);
    border-left: 5px solid var(--status-danger);
    padding: 16px 20px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #991B1B;
}

.alert-banner.info {
    background-color: var(--bg-info);
    border-left-color: var(--status-info);
    color: #075985;
}

.alert-content h4 {
    font-size: 14px;
    font-weight: 700;
}

.alert-content p {
    font-size: 12px;
    margin-top: 4px;
}

/* --------------------------------------------------------------------------
   FORMULARE CORPORATIVE, BUTOANE & CONTROLER INGESTIE
   -------------------------------------------------------------------------- */
.btn-enterprise {
    background-color: var(--corporate-blue);
    color: #FFFFFF;
    border: none;
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-enterprise:hover { background-color: var(--corporate-hover); }

.btn-enterprise.secondary {
    background-color: var(--slate-medium);
}
.btn-enterprise.secondary:hover { background-color: var(--slate-dark); }

.btn-enterprise.danger {
    background-color: var(--status-danger);
}
.btn-enterprise.danger:hover { background-color: #B91C1C; }

.btn-enterprise.success {
    background-color: var(--status-success);
}
.btn-enterprise.success:hover { background-color: #15803D; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    background: var(--bg-card);
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
}

.form-control {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    font-family: var(--font-stack);
    background-color: #FFFFFF;
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--corporate-blue);
    box-shadow: 0 0 0 2px rgba(29, 78, 216, 0.2);
}

/* Drag and drop zone */
.dropzone-container {
    border: 2px dashed var(--border-color);
    background-color: var(--bg-alabaster);
    padding: 32px;
    text-align: center;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.dropzone-container:hover {
    border-color: var(--corporate-blue);
    background-color: #EFF6FF;
}

/* --------------------------------------------------------------------------
   GRID SIMULATOR 3 SCENARII PROIECTIVE
   -------------------------------------------------------------------------- */
.scenario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

@media (max-width: 1200px) {
    .scenario-grid { grid-template-columns: 1fr; }
}

.scenario-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.scenario-header {
    padding: 12px 16px;
    font-weight: 700;
    font-size: 13px;
    border-bottom: 1px solid var(--border-subtle);
}

.scenario-box.optimistic .scenario-header { background-color: var(--bg-success); color: #146C43; }
.scenario-box.realistic .scenario-header { background-color: var(--bg-info); color: #0369A1; }
.scenario-box.pessimistic .scenario-header { background-color: var(--bg-danger); color: #991B1B; }

.scenario-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.scenario-metric {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 8px;
    border-bottom: 1px dashed var(--border-subtle);
}

.scenario-metric span:first-child { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.scenario-metric span:last-child { font-family: var(--font-mono); font-size: 14px; font-weight: 800; }

/* Action step item */
.action-step-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--bg-card);
    padding: 16px;
    border: 1px solid var(--border-color);
    border-left: 5px solid var(--corporate-blue);
    border-radius: 4px;
    margin-bottom: 12px;
}

.action-step-number {
    font-size: 18px;
    font-weight: 800;
    color: var(--corporate-blue);
    min-width: 32px;
}

.action-step-text h5 { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.action-step-text p { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Status toaster / notificări corporative */
.status-log {
    font-family: var(--font-mono);
    font-size: 11px;
    background-color: var(--corporate-navy);
    color: #00FF66;
    padding: 12px;
    border-radius: 4px;
    max-height: 160px;
    overflow-y: auto;
}