/* ── Override Bootstrap 5 CSS variables for light theme ── */
:root {
    /* Our palette */
    --bg-dark:        #f1f5f9;
    --bg-card:        #ffffff;
    --bg-sidebar:     #1e293b;
    --bg-input:       #f8fafc;
    --border:         #e2e8f0;
    --text:           #1e293b;
    --text-muted:     #64748b;
    --primary:        #6366f1;
    --primary-hover:  #4f46e5;
    --success:        #16a34a;
    --warning:        #d97706;
    --danger:         #dc2626;
    --info:           #0284c7;
    --wa-green:       #25d366;

    /* Bootstrap 5 variable overrides */
    --bs-body-color:          #1e293b;
    --bs-body-bg:             #f1f5f9;
    --bs-secondary-color:     #64748b;
    --bs-tertiary-color:      #94a3b8;
    --bs-border-color:        #e2e8f0;
    --bs-border-color-translucent: rgba(0,0,0,.08);
    --bs-card-bg:             #ffffff;
    --bs-card-border-color:   #e2e8f0;
    --bs-card-color:          #1e293b;
    --bs-modal-bg:            #ffffff;
    --bs-modal-color:         #1e293b;
    --bs-modal-border-color:  #e2e8f0;
    --bs-modal-header-border-color: #e2e8f0;
    --bs-modal-footer-border-color: #e2e8f0;
    --bs-table-color:         #1e293b;
    --bs-table-bg:            transparent;
    --bs-table-border-color:  #e2e8f0;
    --bs-table-hover-bg:      rgba(99,102,241,.04);
    --bs-table-striped-bg:    rgba(0,0,0,.02);
    --bs-form-label-color:    #475569;
    --bs-input-bg:            #f8fafc;
    --bs-input-color:         #1e293b;
    --bs-input-border-color:  #cbd5e1;
    --bs-input-placeholder-color: #94a3b8;
    --bs-input-focus-bg:      #ffffff;
    --bs-input-focus-color:   #1e293b;
    --bs-input-focus-border-color: #6366f1;
    --bs-input-disabled-bg:   #f1f5f9;
    --bs-input-disabled-color:#94a3b8;
    --bs-form-select-bg:      #f8fafc;
    --bs-form-select-color:   #1e293b;
    --bs-form-check-input-bg: #ffffff;
    --bs-form-check-input-border: 1px solid #cbd5e1;
    --bs-dropdown-bg:         #ffffff;
    --bs-dropdown-border-color: #e2e8f0;
    --bs-dropdown-color:      #1e293b;
    --bs-dropdown-link-color: #1e293b;
    --bs-dropdown-link-hover-bg: rgba(99,102,241,.08);
    --bs-dropdown-link-hover-color: #1e293b;
    --bs-list-group-bg:       transparent;
    --bs-list-group-border-color: #e2e8f0;
    --bs-list-group-color:    #1e293b;
    --bs-list-group-action-color: #1e293b;
    --bs-list-group-action-hover-bg: rgba(99,102,241,.05);
    --bs-list-group-action-hover-color: #1e293b;
    --bs-nav-tabs-border-color: #e2e8f0;
    --bs-nav-link-color:      #64748b;
    --bs-nav-tabs-link-active-bg: #ffffff;
    --bs-nav-tabs-link-active-color: #1e293b;
    --bs-nav-tabs-link-active-border-color: #e2e8f0;
    --bs-popover-bg:          #ffffff;
    --bs-popover-border-color:#e2e8f0;
    --bs-popover-body-color:  #1e293b;
    --bs-tooltip-bg:          #1e293b;
    --bs-tooltip-color:       #ffffff;
    --bs-progress-bg:         #e2e8f0;
    --bs-secondary-bg:        #f8fafc;
    --bs-tertiary-bg:         #f1f5f9;
    --bs-emphasis-color:      #0f172a;
    --bs-link-color:          #6366f1;
    --bs-link-hover-color:    #4f46e5;
    --bs-code-color:          #db2777;
    --bs-pagination-bg:       #ffffff;
    --bs-pagination-border-color: #e2e8f0;
    --bs-pagination-color:    #64748b;
    --bs-pagination-hover-bg: rgba(99,102,241,.08);
    --bs-pagination-hover-color: #1e293b;
    --bs-pagination-hover-border-color: #e2e8f0;
    --bs-pagination-active-bg: #6366f1;
    --bs-pagination-active-border-color: #6366f1;
    --bs-pagination-disabled-bg: #f8fafc;
    --bs-pagination-disabled-color: #94a3b8;
}

* { box-sizing: border-box; }

body {
    background: var(--bg-dark);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    min-height: 100vh;
}

/* ── Sidebar (stays dark for contrast) ── */
.sidebar {
    width: 240px;
    background: var(--bg-sidebar);
    border-right: 1px solid #0f172a;
    height: 100vh;
    position: fixed;
    top: 0; left: 0;
    overflow-y: auto;
    z-index: 100;
    transition: transform .25s ease;
}

.sidebar-brand {
    padding: 20px 20px 12px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-icon {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--primary), #a855f7);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}

.brand-name {
    font-size: 16px;
    font-weight: 700;
    color: #f1f5f9;
    letter-spacing: -.3px;
}

.sidebar-nav { padding: 12px 0; }

.nav-section-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #64748b;
    padding: 8px 20px 4px;
    font-weight: 600;
}

.nav-item a, .nav-item button {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 20px;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 0;
    font-size: 13.5px;
    font-weight: 500;
    transition: all .15s;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
}

.nav-item a:hover, .nav-item button:hover {
    color: #f1f5f9;
    background: rgba(255,255,255,.06);
}

.nav-item a.active {
    color: #818cf8;
    background: rgba(99,102,241,.15);
    border-right: 3px solid #6366f1;
}

.nav-item a .nav-icon { font-size: 16px; width: 20px; text-align: center; }

/* Sidebar account footer */
.sidebar > div:last-child {
    color: #94a3b8;
}

/* ── Main content ── */
.main-wrap {
    margin-left: 240px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
}

.page-content { padding: 24px; flex: 1; }

/* ── Cards ── */
.card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

.card-header {
    background: #f8fafc;
    border-bottom: 1px solid var(--border);
    padding: 14px 18px;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--text);
    border-radius: 12px 12px 0 0;
}

.card-body {
    padding: 18px;
    color: var(--text);
}

/* ── KPI Cards ── */
.kpi-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: 12px 12px 0 0;
}

.kpi-card.primary::before { background: var(--primary); }
.kpi-card.success::before { background: var(--success); }
.kpi-card.warning::before { background: var(--warning); }
.kpi-card.danger::before  { background: var(--danger); }
.kpi-card.info::before    { background: var(--info); }

.kpi-label { font-size: 11px; text-transform: uppercase; letter-spacing: .8px; color: var(--text-muted); font-weight: 600; }
.kpi-value { font-size: 28px; font-weight: 700; margin: 6px 0 2px; line-height: 1; color: var(--text); }
.kpi-sub   { font-size: 12px; color: var(--text-muted); }

.kpi-icon {
    position: absolute;
    top: 14px; right: 14px;
    font-size: 28px;
    opacity: .12;
}

/* ── Tables ── */
.table {
    color: var(--text);
    border-color: var(--border);
    margin: 0;
}

.table th {
    background: #f8fafc;
    border-color: var(--border);
    color: var(--text-muted);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .6px;
    font-weight: 600;
    padding: 10px 16px;
}

.table td {
    border-color: var(--border);
    padding: 10px 16px;
    vertical-align: middle;
    color: var(--text);
}

.table-hover > tbody > tr:hover > * {
    background-color: rgba(99,102,241,.04);
    color: var(--text);
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
    background-color: rgba(0,0,0,.02);
    color: var(--text);
}

/* ── Forms ── */
.form-control,
.form-select {
    background-color: var(--bg-input);
    border: 1px solid #cbd5e1;
    color: var(--text);
    border-radius: 8px;
    font-size: 13.5px;
}

.form-control:focus,
.form-select:focus {
    background-color: #ffffff;
    border-color: var(--primary);
    color: var(--text);
    box-shadow: 0 0 0 3px rgba(99,102,241,.12);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: #f1f5f9;
    color: var(--text-muted);
    opacity: 1;
}

.form-select option {
    background: #ffffff;
    color: var(--text);
}

.form-control::placeholder { color: #94a3b8; }

.form-label {
    font-size: 12.5px;
    font-weight: 500;
    color: #475569;
    margin-bottom: 5px;
}

/* Checkboxes & switches */
.form-check-label {
    color: var(--text);
    font-size: 13.5px;
}

.form-check-input {
    background-color: #ffffff;
    border-color: #cbd5e1;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(99,102,241,.12);
    border-color: var(--primary);
}

.form-switch .form-check-input {
    background-color: #cbd5e1;
    border-color: #cbd5e1;
}

.form-switch .form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.input-group-text {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: var(--text-muted);
}

/* ── Buttons ── */
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: #fff; }

.btn-secondary { background: #e2e8f0; border-color: #e2e8f0; color: var(--text); }
.btn-secondary:hover { background: #cbd5e1; border-color: #cbd5e1; color: var(--text); }

.btn-outline-secondary {
    border-color: #cbd5e1;
    color: #64748b;
}
.btn-outline-secondary:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: var(--text);
}

.btn-outline-primary  { border-color: var(--primary); color: var(--primary); }
.btn-outline-primary:hover  { background: rgba(99,102,241,.08); color: var(--primary-hover); border-color: var(--primary); }
.btn-outline-info     { border-color: var(--info); color: var(--info); }
.btn-outline-info:hover { background: rgba(2,132,199,.08); color: var(--info); border-color: var(--info); }
.btn-outline-danger   { border-color: var(--danger); color: var(--danger); }
.btn-outline-danger:hover { background: rgba(220,38,38,.08); color: var(--danger); border-color: var(--danger); }
.btn-outline-warning  { border-color: var(--warning); color: var(--warning); }
.btn-outline-warning:hover { background: rgba(217,119,6,.08); color: var(--warning); border-color: var(--warning); }
.btn-outline-success  { border-color: var(--success); color: var(--success); }
.btn-outline-success:hover { background: rgba(22,163,74,.08); color: var(--success); border-color: var(--success); }

.btn-wa {
    background: var(--wa-green);
    color: #fff;
    border: none;
    border-radius: 8px;
}
.btn-wa:hover { background: #1ebe5d; color: #fff; }

/* ── Badges ── */
.badge { font-size: 11px; font-weight: 600; padding: 4px 8px; border-radius: 6px; }
.badge.bg-secondary { background-color: #e2e8f0 !important; color: #475569; }

/* ── Chat bubbles ── */
.chat-wrap { max-height: 500px; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 16px; }

.chat-bubble {
    max-width: 75%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13.5px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--text);
}

.bubble-in {
    background: #f1f5f9;
    border: 1px solid var(--border);
    align-self: flex-start;
    border-radius: 2px 12px 12px 12px;
}

.bubble-out {
    background: rgba(99,102,241,.1);
    border: 1px solid rgba(99,102,241,.2);
    align-self: flex-end;
    border-radius: 12px 2px 12px 12px;
}

.bubble-out.ai-msg { background: rgba(37,211,102,.1); border-color: rgba(37,211,102,.25); }

.bubble-meta { font-size: 10px; color: var(--text-muted); margin-top: 4px; }

/* ── Misc ── */
.page-title { font-size: 20px; font-weight: 700; color: var(--text); }
.page-sub   { font-size: 12.5px; color: var(--text-muted); }

.wa-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; }
.wa-dot    { width: 8px; height: 8px; border-radius: 50%; }
.wa-dot.on  { background: var(--wa-green); box-shadow: 0 0 6px var(--wa-green); }
.wa-dot.off { background: var(--text-muted); }

.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #a855f7);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 700;
    font-size: 13px;
    color: #fff;
    flex-shrink: 0;
}

.search-box { position: relative; }
.search-box input { padding-left: 36px; }
.search-box .si { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }

/* ── Alerts ── */
.alert { border-radius: 10px; border: 1px solid; font-size: 13.5px; }
.alert-success { background: rgba(22,163,74,.08);  border-color: rgba(22,163,74,.25);  color: #15803d; }
.alert-danger  { background: rgba(220,38,38,.08);  border-color: rgba(220,38,38,.25);  color: #b91c1c; }
.alert-warning { background: rgba(217,119,6,.08);  border-color: rgba(217,119,6,.25);  color: #b45309; }
.alert-info    { background: rgba(2,132,199,.08);  border-color: rgba(2,132,199,.25);  color: #0369a1; }
.alert .btn-close { filter: none; opacity: .6; }

/* ── Login page ── */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f1f5f9;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 4px 24px rgba(0,0,0,.08);
}

/* ── Modal ── */
.modal-content {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--text);
    box-shadow: 0 8px 40px rgba(0,0,0,.12);
}

.modal-header {
    border-bottom-color: var(--border);
    background: #f8fafc;
    border-radius: 14px 14px 0 0;
}

.modal-title {
    color: var(--text);
    font-size: 15px;
    font-weight: 600;
}

.modal-body   { color: var(--text); }
.modal-footer { border-top-color: var(--border); background: #f8fafc; border-radius: 0 0 14px 14px; }
.btn-close    { filter: none; }

/* ── List group ── */
.list-group-item {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}

.list-group-item-action:hover,
.list-group-item-action:focus {
    background: rgba(99,102,241,.04);
    color: var(--text);
}

/* ── Dropdowns ── */
.dropdown-menu {
    background: #ffffff;
    border-color: var(--border);
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
}

.dropdown-item { color: var(--text); }
.dropdown-item:hover, .dropdown-item:focus {
    background: rgba(99,102,241,.06);
    color: var(--text);
}
.dropdown-divider { border-color: var(--border); }

/* ── Nav tabs ── */
.nav-tabs { border-color: var(--border); }
.nav-tabs .nav-link { color: var(--text-muted); border-color: transparent; }
.nav-tabs .nav-link:hover { color: var(--text); border-color: var(--border); background: transparent; }
.nav-tabs .nav-link.active {
    background: #ffffff;
    border-color: var(--border) var(--border) #ffffff;
    color: var(--text);
}

/* ── Progress ── */
.progress { background: #e2e8f0; }

/* ── Pagination ── */
.page-link {
    background: #ffffff;
    border-color: var(--border);
    color: #64748b;
}
.page-link:hover { background: rgba(99,102,241,.06); color: var(--text); border-color: var(--border); }
.page-item.active .page-link { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-item.disabled .page-link { background: #f8fafc; color: #94a3b8; border-color: var(--border); }

/* ── Code ── */
code { color: #db2777; background: rgba(219,39,119,.08); padding: 2px 5px; border-radius: 4px; font-size: 12px; }

/* ── Text helpers ── */
.text-muted  { color: var(--text-muted) !important; }
.text-white  { color: #fff !important; }
.text-dark   { color: var(--text) !important; }
.text-body   { color: var(--text) !important; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-wrap { margin-left: 0; }
}