/* ======================================================================
   BGKLPRO Invoice - style.css
   Minimal, professional, modern layout with a green accent theme.
   ====================================================================== */

:root {
    --bgk-green: #198754;
    --bgk-green-dark: #146c43;
    --bgk-green-light: #e9f7ef;
    --bgk-ink: #1f2937;
    --bgk-muted: #6b7280;
    --bgk-border: #e5e7eb;
    --bgk-bg: #f6f8f7;
    --sidebar-width: 230px;
}

* { box-sizing: border-box; }

body {
    background-color: var(--bgk-bg);
    color: var(--bgk-ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---- Top navbar ------------------------------------------------------ */
.topbar {
    background-color: var(--bgk-green);
    padding: 0.65rem 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.topbar .navbar-brand { color: #fff; }
.topbar .navbar-brand:hover { color: #f0f0f0; }

/* ---- Layout ------------------------------------------------------------ */
.app-wrapper {
    display: flex;
    min-height: calc(100vh - 56px);
}

.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background-color: #ffffff;
    border-right: 1px solid var(--bgk-border);
}

.app-sidebar .nav-link {
    color: var(--bgk-ink);
    padding: 0.65rem 1.25rem;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-left: 3px solid transparent;
}
.app-sidebar .nav-link i { font-size: 1.05rem; color: var(--bgk-muted); }
.app-sidebar .nav-link:hover {
    background-color: var(--bgk-green-light);
    color: var(--bgk-green-dark);
}
.app-sidebar .nav-link.active {
    background-color: var(--bgk-green-light);
    color: var(--bgk-green-dark);
    border-left-color: var(--bgk-green);
    font-weight: 600;
}
.app-sidebar .nav-link.active i { color: var(--bgk-green); }

.app-content {
    flex: 1;
    padding: 1.75rem;
    max-width: 100%;
    overflow-x: hidden;
}

/* ---- Cards ------------------------------------------------------------- */
.card {
    border: 1px solid var(--bgk-border);
    border-radius: 0.6rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}
.card-header {
    background-color: #fff;
    border-bottom: 1px solid var(--bgk-border);
}

/* ---- Dashboard stat cards ---------------------------------------------- */
.stat-card .card-body { padding: 1.1rem 1.25rem; }
.stat-icon {
    width: 40px; height: 40px;
    border-radius: 0.5rem;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
}
.stat-value { font-size: 1.4rem; font-weight: 700; line-height: 1.2; }
.stat-label { color: var(--bgk-muted); font-size: 0.85rem; }

/* ---- Buttons ------------------------------------------------------------ */
.btn-success {
    background-color: var(--bgk-green);
    border-color: var(--bgk-green);
}
.btn-success:hover {
    background-color: var(--bgk-green-dark);
    border-color: var(--bgk-green-dark);
}
.btn-outline-success {
    color: var(--bgk-green);
    border-color: var(--bgk-green);
}
.btn-outline-success:hover {
    background-color: var(--bgk-green);
    border-color: var(--bgk-green);
}
.btn { border-radius: 0.5rem; font-weight: 500; }
.btn-lg, .btn.btn-lg { padding: 0.65rem 1.5rem; }

/* ---- Tables -------------------------------------------------------------- */
.table thead th {
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    color: var(--bgk-muted);
    border-bottom-width: 1px;
    white-space: nowrap;
}
.table td { vertical-align: middle; }

/* ---- Invoice preview / print ---------------------------------------------- */
.invoice-preview { max-width: 900px; margin: 0 auto; }

/* ---- Misc ------------------------------------------------------------------ */
.bg-light-subtle { background-color: #fafbfa !important; }

/* ---- Responsive sidebar (mobile) -------------------------------------------- */
@media (max-width: 991.98px) {
    .app-sidebar {
        position: fixed;
        top: 56px;
        left: -260px;
        bottom: 0;
        z-index: 1030;
        transition: left 0.2s ease-in-out;
    }
    .app-sidebar.show { left: 0; box-shadow: 2px 0 8px rgba(0,0,0,0.15); }
    .app-content { padding: 1.25rem; }
}

/* ---- Login page ------------------------------------------------------------ */
.login-body {
    background: linear-gradient(160deg, var(--bgk-green) 0%, var(--bgk-green-dark) 55%, #0f3f2c 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}
.login-wrapper { width: 100%; max-width: 380px; }
.login-card { border: none; border-radius: 0.9rem; box-shadow: 0 10px 35px rgba(0,0,0,0.25); }

/* ---- Print styles (used when printing the invoice preview page) ------------ */
@media print {
    .topbar, .app-sidebar, .btn, .alert { display: none !important; }
    .app-content { padding: 0; }
    .card { border: none; box-shadow: none; }
}