/* ============================================================
   Revenue Governance System (RGS) — X86 Network
   Main Stylesheet
   ============================================================ */

:root {
    --primary: #0d6efd;
    --primary-dark: #0a58ca;
    --accent: #00c6ff;
    --sidebar-bg: #0f1b2d;
    --sidebar-hover: #1a2d4a;
    --sidebar-active: rgba(13, 110, 253, 0.25);
    --sidebar-width: 260px;
    --topbar-height: 60px;
    --text-muted: #8a9bb0;
    --card-bg: #fff;
    --body-bg: #f0f4fa;
    --border-color: #e2e8f0;
    --success: #198754;
    --warning: #ffc107;
    --danger: #dc3545;
    font-family: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--body-bg);
    color: #1e293b;
    font-family: 'Inter', sans-serif;
}

/* ---- Sidebar ---- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    z-index: 1040;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: transform .25s ease;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #0d6efd, #00c6ff);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    flex-shrink: 0;
}

.brand-name {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
}

.brand-sub {
    font-size: 10px;
    color: var(--text-muted);
    letter-spacing: .5px;
    text-transform: uppercase;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px 20px;
}

.nav-section {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    text-transform: uppercase;
    padding: 14px 8px 4px;
    margin-top: 4px;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    color: #b0bec5;
    border-radius: 8px;
    font-size: 13.5px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s, color .15s;
}

.sidebar-nav .nav-link i {
    width: 18px;
    text-align: center;
    font-size: 14px;
}

.sidebar-nav .nav-link:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.sidebar-nav .nav-link.active {
    background: var(--sidebar-active);
    color: var(--accent);
}

/* ---- Main Wrapper ---- */
.main-wrapper {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: margin-left .25s ease;
}

/* ---- Topbar ---- */
.topbar {
    height: var(--topbar-height);
    background: linear-gradient(90deg, #0d6efd, #0a3d9e);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.topbar-title {
    color: #fff;
    font-weight: 600;
    font-size: 15px;
}

.topbar .btn-link {
    color: #fff !important;
    font-size: 18px;
}

.topbar .dropdown-toggle {
    text-decoration: none;
    font-size: 13.5px;
}

.sidebar-toggle {
    display: none;
}

/* ---- Content Area ---- */
.content-area {
    flex: 1;
    padding: 24px;
}

/* ---- Footer ---- */
.app-footer {
    background: #fff;
    border-top: 1px solid var(--border-color);
    padding: 14px 24px;
    font-size: 12.5px;
    color: #64748b;
}

/* ---- Cards ---- */
.card {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 1px 6px rgba(0, 0, 0, .06);
}

.card-header {
    border-bottom: 1px solid var(--border-color);
    padding: 14px 18px;
    font-weight: 600;
    background: transparent;
    border-radius: 12px 12px 0 0 !important;
}

/* ---- KPI Stat Cards ---- */
.stat-card {
    background: #fff;
    border-radius: 14px;
    padding: 20px 22px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, .06);
    border: 1px solid var(--border-color);
    transition: transform .15s, box-shadow .15s;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .1);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: #dbeafe;
    color: #1d4ed8;
}

.stat-icon.green {
    background: #dcfce7;
    color: #16a34a;
}

.stat-icon.orange {
    background: #ffedd5;
    color: #ea580c;
}

.stat-icon.purple {
    background: #f3e8ff;
    color: #9333ea;
}

.stat-icon.red {
    background: #fee2e2;
    color: #dc2626;
}

.stat-icon.teal {
    background: #ccfbf1;
    color: #0f766e;
}

.stat-label {
    font-size: 12.5px;
    color: #64748b;
    font-weight: 500;
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.2;
}

.stat-sub {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 2px;
}

/* ---- Tables ---- */
.table {
    font-size: 13.5px;
}

.table thead th {
    background: #f8fafc;
    font-weight: 600;
    font-size: 12px;
    letter-spacing: .3px;
    color: #4a5568;
    text-transform: uppercase;
    border-bottom: 2px solid var(--border-color);
    padding: 10px 14px;
}

.table td {
    padding: 10px 14px;
    vertical-align: middle;
    border-color: var(--border-color);
}

.table tbody tr:hover {
    background: #f8fafc;
}

/* ---- Badges ---- */
.badge {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 9px;
    border-radius: 20px;
}

.bg-role-admin {
    background: #7c3aed !important;
}

.bg-role-manager {
    background: #0369a1 !important;
}

.bg-role-sales {
    background: #047857 !important;
}

.bg-role-ops {
    background: #b45309 !important;
}

.bg-role-finance {
    background: #dc2626 !important;
}

/* ---- Buttons ---- */
.btn {
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, #0d6efd, #0a58ca);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0a58ca, #083d9e);
}

/* ---- Workflow Stage Indicator ---- */
.workflow-steps {
    display: flex;
    align-items: center;
    gap: 0;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.workflow-step {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: #f1f5f9;
    border-radius: 0;
    font-size: 12.5px;
    font-weight: 500;
    color: #64748b;
    position: relative;
}

.workflow-step:first-child {
    border-radius: 8px 0 0 8px;
}

.workflow-step:last-child {
    border-radius: 0 8px 8px 0;
}

.workflow-step.done {
    background: #dcfce7;
    color: #166534;
}

.workflow-step.active {
    background: #dbeafe;
    color: #1e40af;
    font-weight: 700;
}

.workflow-step.pending {
    background: #f1f5f9;
    color: #94a3b8;
}

/* ---- Revenue Leakage Indicators ---- */
.leakage-alert {
    border-left: 4px solid #dc3545;
}

/* ---- Margin display ---- */
.margin-good {
    color: #16a34a;
    font-weight: 600;
}

.margin-warn {
    color: #d97706;
    font-weight: 600;
}

.margin-danger {
    color: #dc2626;
    font-weight: 700;
}

/* ---- Forms ---- */
.form-label {
    font-size: 13px;
    font-weight: 500;
    color: #374151;
}

.form-control,
.form-select {
    font-size: 13.5px;
    border-radius: 8px;
    border-color: var(--border-color);
}

.form-control:focus,
.form-select:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, .15);
}

/* ---- Quotation builder: line items ---- */
.line-item-row {
    background: #f8fafc;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 8px;
}

.line-item-row .line-margin {
    font-size: 12px;
    font-weight: 600;
}

/* ---- Tabs ---- */
.nav-tabs {
    border-bottom: 2px solid var(--border-color);
}

.nav-tabs .nav-item .nav-link {
    color: #64748b !important;
    font-weight: 500;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 10px 16px;
    margin-bottom: -2px;
    background-color: transparent !important;
}

.nav-tabs .nav-item .nav-link:hover {
    color: var(--primary) !important;
}

.nav-tabs .nav-item .nav-link.active {
    color: var(--primary) !important;
    font-weight: 600;
    border-bottom: 2px solid var(--primary) !important;
    background-color: transparent !important;
}

/* ---- Section Divider ---- */
.section-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0 14px;
}

.section-divider span {
    font-size: 12px;
    font-weight: 600;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: .5px;
    white-space: nowrap;
}

.section-divider::before,
.section-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

/* ---- Login page ---- */
.login-wrapper {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f1b2d 0%, #0d6efd 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: #fff;
    border-radius: 20px;
    padding: 44px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, .35);
}

.login-logo {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0d6efd, #00c6ff);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: #fff;
    margin: 0 auto 20px;
}

/* ---- Page header ---- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 22px;
}

.page-header h1 {
    font-size: 22px;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.show {
        transform: translateX(0);
    }

    .main-wrapper {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: block !important;
    }

    .content-area {
        padding: 16px;
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .workflow-steps {
        flex-direction: column;
    }

    .workflow-step {
        border-radius: 8px !important;
        width: 100%;
    }
}

/* Scrollbar styling */
.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, .2);
    border-radius: 4px;
}