/* ============================================================
   LumiTCX — Core Application Stylesheet
   Modern, polished, Bootstrap 5.3 based
   Supports light + dark mode via data-bs-theme
   ============================================================ */

/* ── Fonts & Root ──────────────────────────────────────────── */
:root {
    --font-base: 'Inter', system-ui, -apple-system, sans-serif;

    /* Brand */
    --lumi-primary:       #3b82f6;
    --lumi-primary-dark:  #2563eb;
    --lumi-primary-glow:  rgba(59,130,246,0.18);
    --lumi-accent:        #06b6d4;
    --lumi-danger:        #ef4444;
    --lumi-success:       #22c55e;
    --lumi-warning:       #f59e0b;

    /* Light mode surfaces */
    --lumi-bg:            #f1f5f9;
    --lumi-surface:       #ffffff;
    --lumi-surface-2:     #f8fafc;
    --lumi-border:        #e2e8f0;
    --lumi-text:          #0f172a;
    --lumi-text-muted:    #64748b;
    --lumi-navbar-bg:     #ffffff;
    --lumi-navbar-border: #e2e8f0;
    --lumi-footer-bg:     #f8fafc;
    --lumi-shadow-sm:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --lumi-shadow:        0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -2px rgba(0,0,0,.05);
    --lumi-shadow-lg:     0 10px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.05);
    --lumi-radius:        10px;
    --lumi-radius-sm:     6px;
    --lumi-radius-lg:     16px;
    --lumi-transition:    all .18s ease;
}

[data-bs-theme="dark"] {
    --lumi-bg:            #0b0f19;
    --lumi-surface:       #111827;
    --lumi-surface-2:     #1a2235;
    --lumi-border:        #1e293b;
    --lumi-text:          #f1f5f9;
    --lumi-text-muted:    #94a3b8;
    --lumi-navbar-bg:     #0d1117;
    --lumi-navbar-border: #1e293b;
    --lumi-footer-bg:     #0d1117;
    --lumi-shadow-sm:     0 1px 3px rgba(0,0,0,.4),  0 1px 2px rgba(0,0,0,.3);
    --lumi-shadow:        0 4px 6px -1px rgba(0,0,0,.5), 0 2px 4px -2px rgba(0,0,0,.4);
    --lumi-shadow-lg:     0 10px 25px -5px rgba(0,0,0,.6), 0 8px 10px -6px rgba(0,0,0,.5);
}

/* ── Base ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-base);
    background-color: var(--lumi-bg);
    color: var(--lumi-text);
    font-size: .9375rem;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ── Navbar ────────────────────────────────────────────────── */
.lumi-navbar {
    background: var(--lumi-navbar-bg);
    border-bottom: 1px solid var(--lumi-navbar-border);
    box-shadow: var(--lumi-shadow-sm);
    height: 62px;
    position: sticky;
    top: 0;
    z-index: 1040;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.lumi-brand {
    display: flex;
    align-items: center;
    gap: .45rem;
    text-decoration: none;
    margin-right: 2rem;
}

.lumi-brand-icon {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--lumi-primary), var(--lumi-accent));
    border-radius: var(--lumi-radius-sm);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: 1rem;
    box-shadow: 0 2px 8px var(--lumi-primary-glow);
    flex-shrink: 0;
}

.lumi-brand-name {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--lumi-text);
    letter-spacing: -.02em;
}

.lumi-brand-badge {
    font-size: .62rem;
    font-weight: 700;
    letter-spacing: .08em;
    background: var(--lumi-primary-glow);
    color: var(--lumi-primary);
    border: 1px solid var(--lumi-primary);
    border-radius: 4px;
    padding: 1px 5px;
    align-self: center;
}

/* Nav Links */
.lumi-nav-link {
    color: var(--lumi-text-muted) !important;
    font-size: .865rem;
    font-weight: 500;
    padding: .42rem .75rem !important;
    border-radius: var(--lumi-radius-sm);
    display: flex;
    align-items: center;
    gap: .4rem;
    transition: var(--lumi-transition);
    white-space: nowrap;
}

.lumi-nav-link:hover {
    color: var(--lumi-primary) !important;
    background: var(--lumi-primary-glow);
}

.lumi-nav-link.active {
    color: var(--lumi-primary) !important;
    background: var(--lumi-primary-glow);
    font-weight: 600;
}

.lumi-nav-link i { font-size: .95rem; }

/* Global Search */
.lumi-global-search {
    position: relative;
}

.lumi-search-icon {
    background: transparent;
    border-color: var(--lumi-border);
    color: var(--lumi-text-muted);
}

.lumi-search-input {
    width: 220px;
    background: var(--lumi-surface-2);
    border-color: var(--lumi-border);
    color: var(--lumi-text);
    font-size: .845rem;
    transition: var(--lumi-transition);
}

.lumi-search-input:focus {
    width: 280px;
    border-color: var(--lumi-primary);
    box-shadow: 0 0 0 3px var(--lumi-primary-glow);
}

.lumi-search-results {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    width: 360px;
    background: var(--lumi-surface);
    border: 1px solid var(--lumi-border);
    border-radius: var(--lumi-radius);
    box-shadow: var(--lumi-shadow-lg);
    z-index: 1050;
    max-height: 420px;
    overflow-y: auto;
}

/* Theme Toggle */
.lumi-theme-toggle {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid var(--lumi-border);
    background: var(--lumi-surface-2);
    color: var(--lumi-text-muted);
    display: flex; align-items: center; justify-content: center;
    transition: var(--lumi-transition);
    padding: 0;
}

.lumi-theme-toggle:hover {
    background: var(--lumi-primary-glow);
    color: var(--lumi-primary);
    border-color: var(--lumi-primary);
}

/* User Button */
.lumi-user-btn {
    display: flex;
    align-items: center;
    gap: .5rem;
    border: 1px solid var(--lumi-border);
    background: var(--lumi-surface-2);
    border-radius: 999px;
    padding: .25rem .6rem .25rem .25rem;
    transition: var(--lumi-transition);
}

.lumi-user-btn:hover, .lumi-user-btn.show {
    border-color: var(--lumi-primary);
    background: var(--lumi-primary-glow);
}

.lumi-avatar {
    width: 30px; height: 30px;
    background: linear-gradient(135deg, var(--lumi-primary), var(--lumi-accent));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    flex-shrink: 0;
}

.lumi-user-name {
    font-size: .845rem;
    font-weight: 500;
    color: var(--lumi-text);
}

/* Dropdown */
.lumi-dropdown {
    background: var(--lumi-surface);
    border: 1px solid var(--lumi-border);
    border-radius: var(--lumi-radius);
    box-shadow: var(--lumi-shadow-lg);
    padding: .4rem;
    min-width: 200px;
}

.lumi-dropdown .dropdown-item {
    border-radius: var(--lumi-radius-sm);
    font-size: .865rem;
    padding: .45rem .75rem;
    transition: var(--lumi-transition);
    color: var(--lumi-text);
}

.lumi-dropdown .dropdown-item:hover {
    background: var(--lumi-primary-glow);
    color: var(--lumi-primary);
}

/* ── Page Layout ───────────────────────────────────────────── */
.lumi-page-wrapper {
    min-height: calc(100vh - 62px - 52px);
}

/* ── Flash Messages ────────────────────────────────────────── */
.lumi-flash-container {
    position: fixed;
    top: 72px;
    right: 1.5rem;
    z-index: 1055;
    width: 360px;
}

.lumi-flash-alert {
    border-radius: var(--lumi-radius);
    box-shadow: var(--lumi-shadow-lg);
    border: none;
    font-size: .875rem;
    animation: slideInRight .25s ease;
}

@keyframes slideInRight {
    from { transform: translateX(30px); opacity: 0; }
    to   { transform: translateX(0);    opacity: 1; }
}

/* ── Cards ─────────────────────────────────────────────────── */
.lumi-card {
    background: var(--lumi-surface);
    border: 1px solid var(--lumi-border);
    border-radius: var(--lumi-radius);
    box-shadow: var(--lumi-shadow-sm);
    transition: var(--lumi-transition);
}

.lumi-card:hover {
    box-shadow: var(--lumi-shadow);
}

.lumi-card-header {
    padding: 1rem 1.25rem .75rem;
    border-bottom: 1px solid var(--lumi-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}

.lumi-card-title {
    font-size: .95rem;
    font-weight: 600;
    color: var(--lumi-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: .4rem;
}

.lumi-card-title i {
    color: var(--lumi-primary);
    font-size: 1rem;
}

.lumi-card-body {
    padding: 1.25rem;
}

/* Stat Cards */
.lumi-stat-card {
    background: var(--lumi-surface);
    border: 1px solid var(--lumi-border);
    border-radius: var(--lumi-radius);
    padding: 1.25rem 1.4rem;
    box-shadow: var(--lumi-shadow-sm);
    transition: var(--lumi-transition);
    position: relative;
    overflow: hidden;
}

.lumi-stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--lumi-primary), var(--lumi-accent));
    border-radius: var(--lumi-radius) var(--lumi-radius) 0 0;
}

.lumi-stat-card:hover {
    box-shadow: var(--lumi-shadow);
    transform: translateY(-1px);
}

.lumi-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--lumi-text);
    line-height: 1.1;
    letter-spacing: -.03em;
}

.lumi-stat-label {
    font-size: .8rem;
    font-weight: 500;
    color: var(--lumi-text-muted);
    text-transform: uppercase;
    letter-spacing: .07em;
    margin-top: .2rem;
}

.lumi-stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--lumi-radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ── Tables ────────────────────────────────────────────────── */
.lumi-table {
    font-size: .875rem;
    color: var(--lumi-text);
    margin: 0;
    width: 100%;
}

.lumi-table thead th {
    font-size: .78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .07em;
    color: var(--lumi-text-muted);
    border-bottom: 1px solid var(--lumi-border);
    padding: .65rem 1rem;
    background: var(--lumi-surface-2);
    white-space: nowrap;
}

.lumi-table tbody tr {
    border-bottom: 1px solid var(--lumi-border);
    transition: background .12s;
}

.lumi-table tbody tr:last-child { border-bottom: none; }

.lumi-table tbody tr:hover {
    background: var(--lumi-primary-glow);
}

.lumi-table td {
    padding: .75rem 1rem;
    vertical-align: middle;
}

/* ── Buttons ───────────────────────────────────────────────── */
.btn {
    font-weight: 500;
    font-size: .875rem;
    border-radius: var(--lumi-radius-sm);
    transition: var(--lumi-transition);
}

.btn-primary {
    background: var(--lumi-primary);
    border-color: var(--lumi-primary);
    box-shadow: 0 2px 8px rgba(59,130,246,.3);
}

.btn-primary:hover {
    background: var(--lumi-primary-dark);
    border-color: var(--lumi-primary-dark);
    box-shadow: 0 4px 12px rgba(59,130,246,.4);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline-primary {
    color: var(--lumi-primary);
    border-color: var(--lumi-primary);
}

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

/* ── Badges / Pills ────────────────────────────────────────── */
.lumi-badge {
    font-size: .72rem;
    font-weight: 600;
    padding: .28em .65em;
    border-radius: 999px;
    letter-spacing: .03em;
    display: inline-flex;
    align-items: center;
    gap: .25rem;
    white-space: nowrap;
}

.badge-account-type-dealer        { background: rgba(59,130,246,.15);  color: #3b82f6; }
.badge-account-type-distributor   { background: rgba(139,92,246,.15);  color: #8b5cf6; }
.badge-account-type-supply_house  { background: rgba(6,182,212,.15);   color: #06b6d4; }
.badge-account-type-vendor        { background: rgba(245,158,11,.15);  color: #f59e0b; }
.badge-account-type-end_user      { background: rgba(34,197,94,.15);   color: #22c55e; }

.badge-status-active    { background: rgba(34,197,94,.15);  color: #16a34a; }
.badge-status-inactive  { background: rgba(100,116,139,.15);color: #64748b; }
.badge-status-prospect  { background: rgba(245,158,11,.15); color: #d97706; }
.badge-status-churned   { background: rgba(239,68,68,.15);  color: #dc2626; }

.badge-priority-urgent  { background: rgba(239,68,68,.15);  color: #dc2626; }
.badge-priority-high    { background: rgba(245,158,11,.15); color: #d97706; }
.badge-priority-medium  { background: rgba(59,130,246,.15); color: #2563eb; }
.badge-priority-low     { background: rgba(100,116,139,.15);color: #64748b; }

.badge-activity-call        { background: rgba(59,130,246,.15);  color: #3b82f6; }
.badge-activity-email       { background: rgba(139,92,246,.15);  color: #8b5cf6; }
.badge-activity-text        { background: rgba(6,182,212,.15);   color: #06b6d4; }
.badge-activity-visit       { background: rgba(34,197,94,.15);   color: #16a34a; }
.badge-activity-meeting     { background: rgba(245,158,11,.15);  color: #d97706; }
.badge-activity-note        { background: rgba(100,116,139,.15); color: #64748b; }
.badge-activity-follow_up   { background: rgba(251,191,36,.15);  color: #b45309; }
.badge-activity-no_response { background: rgba(239,68,68,.15);   color: #dc2626; }

/* ── Forms ─────────────────────────────────────────────────── */
.form-control, .form-select {
    background: var(--lumi-surface);
    border-color: var(--lumi-border);
    color: var(--lumi-text);
    border-radius: var(--lumi-radius-sm);
    font-size: .875rem;
    transition: var(--lumi-transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--lumi-primary);
    box-shadow: 0 0 0 3px var(--lumi-primary-glow);
    background: var(--lumi-surface);
    color: var(--lumi-text);
}

.form-label {
    font-size: .82rem;
    font-weight: 600;
    color: var(--lumi-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-bottom: .35rem;
}

.input-group-text {
    background: var(--lumi-surface-2);
    border-color: var(--lumi-border);
    color: var(--lumi-text-muted);
}

/* ── Modal ─────────────────────────────────────────────────── */
.lumi-modal {
    background: var(--lumi-surface);
    border: 1px solid var(--lumi-border);
    border-radius: var(--lumi-radius-lg);
    box-shadow: var(--lumi-shadow-lg);
}

.lumi-modal .modal-header {
    border-bottom: 1px solid var(--lumi-border);
    padding: 1.1rem 1.4rem;
}

.lumi-modal .modal-footer {
    border-top: 1px solid var(--lumi-border);
    padding: .9rem 1.4rem;
}

/* ── Page Header ───────────────────────────────────────────── */
.lumi-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.lumi-page-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--lumi-text);
    margin: 0;
    letter-spacing: -.025em;
}

.lumi-page-subtitle {
    font-size: .845rem;
    color: var(--lumi-text-muted);
    margin: .15rem 0 0;
}

/* ── Breadcrumb ────────────────────────────────────────────── */
.lumi-breadcrumb {
    display: flex;
    align-items: center;
    gap: .4rem;
    font-size: .8rem;
    color: var(--lumi-text-muted);
    margin-bottom: .4rem;
}

.lumi-breadcrumb a {
    color: var(--lumi-text-muted);
    text-decoration: none;
}

.lumi-breadcrumb a:hover {
    color: var(--lumi-primary);
}

.lumi-breadcrumb-sep { opacity: .4; }

/* ── Filters Bar ───────────────────────────────────────────── */
.lumi-filters {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    align-items: center;
    padding: .9rem 1.25rem;
    background: var(--lumi-surface-2);
    border-bottom: 1px solid var(--lumi-border);
}

/* ── Pagination ────────────────────────────────────────────── */
.lumi-pagination .page-link {
    color: var(--lumi-text-muted);
    background: var(--lumi-surface);
    border-color: var(--lumi-border);
    font-size: .845rem;
    padding: .4rem .75rem;
}

.lumi-pagination .page-link:hover {
    background: var(--lumi-primary-glow);
    color: var(--lumi-primary);
    border-color: var(--lumi-primary);
}

.lumi-pagination .page-item.active .page-link {
    background: var(--lumi-primary);
    border-color: var(--lumi-primary);
    color: #fff;
}

/* ── Empty State ───────────────────────────────────────────── */
.lumi-empty {
    text-align: center;
    padding: 3.5rem 2rem;
    color: var(--lumi-text-muted);
}

.lumi-empty-icon {
    font-size: 3rem;
    opacity: .3;
    margin-bottom: 1rem;
}

.lumi-empty-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: .35rem;
    color: var(--lumi-text);
}

.lumi-empty-text {
    font-size: .875rem;
}

/* ── Spinner / Loader ──────────────────────────────────────── */
.lumi-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--lumi-text-muted);
    gap: .75rem;
}

/* ── Timeline (Activity) ───────────────────────────────────── */
.lumi-timeline {
    position: relative;
    padding-left: 2.5rem;
}

.lumi-timeline::before {
    content: '';
    position: absolute;
    left: .85rem;
    top: 0; bottom: 0;
    width: 1px;
    background: var(--lumi-border);
}

.lumi-timeline-item {
    position: relative;
    padding-bottom: 1.5rem;
}

.lumi-timeline-item:last-child { padding-bottom: 0; }

.lumi-timeline-dot {
    position: absolute;
    left: -2.05rem;
    top: .2rem;
    width: 28px; height: 28px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: .78rem;
    border: 2px solid var(--lumi-bg);
    flex-shrink: 0;
}

.lumi-timeline-card {
    background: var(--lumi-surface);
    border: 1px solid var(--lumi-border);
    border-radius: var(--lumi-radius);
    padding: .9rem 1.1rem;
    box-shadow: var(--lumi-shadow-sm);
}

.lumi-timeline-meta {
    font-size: .78rem;
    color: var(--lumi-text-muted);
    margin-top: .3rem;
}

/* ── Overdue indicators ────────────────────────────────────── */
.lumi-overdue {
    color: var(--lumi-danger) !important;
    font-weight: 600;
}

.lumi-overdue-row {
    border-left: 3px solid var(--lumi-danger) !important;
}

.lumi-due-today {
    color: var(--lumi-warning);
    font-weight: 600;
}

/* ── Footer ────────────────────────────────────────────────── */
.lumi-footer {
    background: var(--lumi-footer-bg);
    border-top: 1px solid var(--lumi-border);
    padding: .9rem 0;
    font-size: .8rem;
    color: var(--lumi-text-muted);
    height: 52px;
    display: flex;
    align-items: center;
}

.lumi-footer-brand {
    font-weight: 600;
    color: var(--lumi-text);
}

/* ── Utilities ─────────────────────────────────────────────── */
.text-primary    { color: var(--lumi-primary)  !important; }
.text-accent     { color: var(--lumi-accent)   !important; }
.text-muted-lumi { color: var(--lumi-text-muted) !important; }

.bg-surface  { background: var(--lumi-surface)  !important; }
.bg-surface2 { background: var(--lumi-surface-2)!important; }

.border-lumi { border-color: var(--lumi-border) !important; }

.rounded-lumi    { border-radius: var(--lumi-radius)    !important; }
.rounded-lumi-sm { border-radius: var(--lumi-radius-sm) !important; }
.rounded-lumi-lg { border-radius: var(--lumi-radius-lg) !important; }

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

/* ── Scrollbar (webkit) ────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: var(--lumi-border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--lumi-text-muted);
}

/* ── Responsive tweaks ─────────────────────────────────────── */
@media (max-width: 991.98px) {
    .lumi-navbar { height: auto; }
    .lumi-global-search { width: 100%; }
    .lumi-search-input { width: 100%; }
    .lumi-search-input:focus { width: 100%; }
    .lumi-flash-container { width: calc(100vw - 2rem); left: 1rem; right: 1rem; }
    .lumi-search-results { width: 100%; }
}

@media (max-width: 575.98px) {
    .lumi-page-title { font-size: 1.2rem; }
    .lumi-stat-value { font-size: 1.6rem; }
}

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.lumi-animate-in {
    animation: fadeIn .22s ease forwards;
}

.lumi-stagger > * {
    animation: fadeIn .22s ease forwards;
    opacity: 0;
}

.lumi-stagger > *:nth-child(1) { animation-delay: .04s; }
.lumi-stagger > *:nth-child(2) { animation-delay: .08s; }
.lumi-stagger > *:nth-child(3) { animation-delay: .12s; }
.lumi-stagger > *:nth-child(4) { animation-delay: .16s; }
.lumi-stagger > *:nth-child(5) { animation-delay: .20s; }
.lumi-stagger > *:nth-child(6) { animation-delay: .24s; }