/* ============================================================
   Vidhyut Electrical ERP — Design System
   Palette: switchboard navy + voltage amber
   Type: Manrope (display) / Inter (body & data)
   ============================================================ */

:root {
    --navy-900: #0B1D2E;
    --navy-800: #10263B;
    --navy-700: #16324C;
    --navy-600: #1E4364;
    --amber-500: #F5A623;
    --amber-600: #DC8F14;
    --amber-100: #FDECC8;

    --bg-app: #F4F6F9;
    --surface: #FFFFFF;
    --border-subtle: #E4E9F0;

    --ink-900: #14212E;
    --ink-600: #55677A;
    --ink-400: #8A97A6;

    --success: #1E8E5A;
    --success-bg: #E5F5EC;
    --danger: #D6483F;
    --danger-bg: #FBEAE8;
    --warning: #B9770E;
    --warning-bg: #FDF1DA;
    --info: #2C6FBB;
    --info-bg: #E8F1FC;

    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-card: 0 1px 2px rgba(16, 38, 59, 0.04), 0 6px 20px rgba(16, 38, 59, 0.06);
    --shadow-card-hover: 0 4px 10px rgba(16, 38, 59, 0.06), 0 12px 28px rgba(16, 38, 59, 0.10);

    --sidebar-w: 250px;
}

/* ---------- Base ---------- */

html, body {
    background: var(--bg-app);
    color: var(--ink-900);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Manrope', 'Inter', sans-serif;
    color: var(--ink-900);
    letter-spacing: -0.01em;
}

h2.fw-bold {
    font-weight: 800 !important;
    font-size: 1.6rem;
}

p.text-muted, .text-muted {
    color: var(--ink-600) !important;
}

a {
    color: var(--navy-700);
}

/* ---------- App shell ---------- */

.app-shell {
    min-height: 100vh;
}

.app-main {
    background: var(--bg-app);
    min-height: 100vh;
}

/* ---------- Sidebar ---------- */

.app-sidebar {
    width: var(--sidebar-w);
    min-height: 100vh;
    background: linear-gradient(180deg, var(--navy-900) 0%, var(--navy-800) 100%);
    display: flex;
    flex-direction: column;
    padding: 22px 16px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    transition: width 0.22s ease, padding 0.22s ease;
}

.sidebar-collapse-btn {
    position: absolute;
    top: 28px;
    right: -13px;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--navy-700);
    border: 2px solid var(--bg-app);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.68rem;
    z-index: 20;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    transition: background 0.15s ease, transform 0.22s ease;
    padding: 0;
}

.sidebar-collapse-btn:hover {
    background: var(--amber-600);
}

.sidebar-collapse-btn i {
    transition: transform 0.22s ease;
}

body.sidebar-collapsed .sidebar-collapse-btn i {
    transform: rotate(180deg);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 8px 22px 8px;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--amber-500), var(--amber-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-900);
    font-size: 1.05rem;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(245, 166, 35, 0.35);
}

.brand-name {
    color: #fff;
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    font-size: 0.98rem;
    line-height: 1.2;
}

.brand-sub {
    color: rgba(255,255,255,0.45);
    font-size: 0.72rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.nav-section-label {
    color: rgba(255,255,255,0.35);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 16px 12px 6px 12px;
}

.sidebar-nav {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 12px;
    border-radius: 8px;
    color: rgba(255,255,255,0.68);
    font-size: 0.89rem;
    font-weight: 500;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: background 0.15s ease, color 0.15s ease;
}

.nav-link i {
    width: 18px;
    text-align: center;
    font-size: 0.92rem;
    opacity: 0.85;
}

.nav-link:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.nav-link.active {
    background: rgba(245, 166, 35, 0.12);
    color: #fff;
    border-left-color: var(--amber-500);
    font-weight: 700;
}

.nav-link.active i {
    color: var(--amber-500);
    opacity: 1;
}

.nav-link-danger {
    color: rgba(255, 130, 120, 0.85);
}

.nav-link-danger:hover {
    background: rgba(214, 72, 63, 0.14);
    color: #ff8a80;
}

.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin-top: 14px;
    padding-top: 14px;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 12px 14px 12px;
}

.sidebar-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--navy-600);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
    flex-shrink: 0;
}

.sidebar-user-name {
    color: #fff;
    font-size: 0.83rem;
    font-weight: 600;
    line-height: 1.2;
}

.sidebar-user-role {
    color: rgba(255,255,255,0.45);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

/* ---------- Cards ---------- */

.card {
    border: 1px solid var(--border-subtle) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-card) !important;
}

.card.shadow-sm {
    box-shadow: var(--shadow-card) !important;
}

a.text-decoration-none:hover {
    text-decoration: none;
}

/* KPI stat cards */
.stat-card .stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.stat-icon-navy   { background: var(--info-bg);    color: var(--navy-700); }
.stat-icon-amber  { background: var(--amber-100);  color: var(--amber-600); }
.stat-icon-success{ background: var(--success-bg); color: var(--success); }
.stat-icon-info   { background: var(--info-bg);    color: var(--info); }

.stat-card .text-uppercase {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--ink-400);
}

.stat-card h3 {
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    color: var(--ink-900);
}

/* ---------- Buttons ---------- */

.btn {
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.88rem;
    padding: 0.5rem 1rem;
}

.btn-primary {
    background: var(--navy-800);
    border-color: var(--navy-800);
}

.btn-primary:hover, .btn-primary:focus {
    background: var(--navy-700);
    border-color: var(--navy-700);
}

.btn-outline-primary {
    color: var(--navy-800);
    border-color: var(--border-subtle);
}

.btn-outline-primary:hover {
    background: var(--navy-800);
    border-color: var(--navy-800);
}

.btn-outline-secondary {
    color: var(--ink-600);
    border-color: var(--border-subtle);
}

.btn-warning {
    background: var(--amber-500);
    border-color: var(--amber-500);
    color: var(--navy-900);
}

.btn-warning:hover {
    background: var(--amber-600);
    border-color: var(--amber-600);
    color: var(--navy-900);
}

/* ---------- Tables ---------- */

.table {
    font-size: 0.89rem;
    color: var(--ink-900);
}

.table thead.table-light th {
    background: var(--bg-app);
    color: var(--ink-600);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-subtle);
    padding: 12px 14px;
}

.table td {
    padding: 12px 14px;
    vertical-align: middle;
    border-color: var(--border-subtle);
}

.table-hover tbody tr:hover {
    background: rgba(16, 38, 59, 0.025);
}

.table-primary, .table-primary > td {
    background: var(--amber-100) !important;
}

/* ---------- Badges ---------- */

.badge {
    font-weight: 600;
    font-size: 0.72rem;
    padding: 0.42em 0.7em;
    border-radius: 6px;
}

.badge.bg-success { background: var(--success-bg) !important; color: var(--success) !important; }
.badge.bg-danger  { background: var(--danger-bg)  !important; color: var(--danger)  !important; }
.badge.bg-warning { background: var(--warning-bg) !important; color: var(--warning) !important; }
.badge.bg-primary { background: var(--info-bg)    !important; color: var(--info)    !important; }
.badge.bg-secondary { background: #EEF1F5 !important; color: var(--ink-600) !important; }

/* ---------- Forms ---------- */

.form-label {
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--ink-900);
    margin-bottom: 6px;
}

.form-control, .form-select {
    border-radius: 8px;
    border-color: var(--border-subtle);
    font-size: 0.89rem;
    padding: 0.55rem 0.75rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--navy-600);
    box-shadow: 0 0 0 3px rgba(30, 67, 100, 0.12);
}

.form-text {
    font-size: 0.78rem;
    color: var(--ink-400);
}

/* ---------- Progress ---------- */

.progress {
    border-radius: 6px;
    background: var(--bg-app);
}

/* ---------- Alerts ---------- */

.alert {
    border-radius: 10px;
    border: none;
    font-size: 0.89rem;
}

.alert-danger { background: var(--danger-bg); color: var(--danger); }
.alert-success { background: var(--success-bg); color: var(--success); }

/* ---------- Page header ---------- */

.page-header p {
    font-size: 0.92rem;
}

/* ---------- Login ---------- */

body.login-body {
    background:
        radial-gradient(circle at 15% 20%, rgba(245, 166, 35, 0.10), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(30, 67, 100, 0.14), transparent 45%),
        var(--navy-900);
}

.login-card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
    overflow: hidden;
}

.login-mark {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--amber-500), var(--amber-600));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-900);
    font-size: 1.6rem;
    margin: 0 auto;
    box-shadow: 0 8px 20px rgba(245, 166, 35, 0.35);
}

.company-title {
    color: var(--navy-900);
    font-family: 'Manrope', sans-serif;
    font-weight: 800;
    font-size: 1.35rem;
}

/* ---------- Scrollbar (subtle) ---------- */

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #CBD5E0; border-radius: 6px; }

/* ---------- Collapsible sidebar (manual toggle) ---------- */

body.sidebar-collapsed .app-sidebar {
    width: 0;
    padding: 0;
    overflow: hidden;
    border: none;
}

body.sidebar-collapsed .sidebar-brand {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
}

body.sidebar-collapsed .brand-name,
body.sidebar-collapsed .brand-sub,
body.sidebar-collapsed .nav-link span,
body.sidebar-collapsed .nav-section-label,
body.sidebar-collapsed .sidebar-user-name,
body.sidebar-collapsed .sidebar-user-role {
    display: none;
}

body.sidebar-collapsed .nav-link {
    justify-content: center;
}

body.sidebar-collapsed .sidebar-user {
    justify-content: center;
    padding: 6px 0 14px 0;
}

/* ---------- Responsive (small screens) ---------- */

@media (max-width: 900px) {
    .app-sidebar {
        width: 74px;
        padding: 18px 10px;
    }
    .brand-name, .brand-sub, .nav-link span, .nav-section-label,
    .sidebar-user-name, .sidebar-user-role {
        display: none;
    }
    .nav-link {
        justify-content: center;
    }
    .sidebar-user {
        justify-content: center;
        padding: 6px 0 14px 0;
    }
    .sidebar-collapse-btn {
        display: none;
    }
}

/* ---------- Sidebar toggle arrow (fixed, edge-anchored, vertically centered — never blocks page titles) ---------- */

.sidebar-toggle-btn {
    position: fixed;
    top: 50%;
    left: calc(var(--sidebar-w) - 13px);
    transform: translateY(-50%);
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--navy-700);
    border: 2px solid var(--bg-app);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.68rem;
    z-index: 1050;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    padding: 0;
    transition: left 0.22s ease, background 0.15s ease;
}

.sidebar-toggle-btn:hover {
    background: var(--amber-600);
}

.sidebar-toggle-btn i {
    transition: transform 0.22s ease;
}

body.sidebar-collapsed .sidebar-toggle-btn {
    left: -13px;
}

body.sidebar-collapsed .sidebar-toggle-btn i {
    transform: rotate(180deg);
}

@media (max-width: 900px) {
    .sidebar-toggle-btn {
        left: 61px; /* sits at the edge of the 74px icon-rail sidebar on small screens */
    }
}