/* ============================================================
   DevLicense — Main Stylesheet (No Tailwind, Pure CSS)
   ============================================================ */

/* ---------- CSS Variables (Light Theme) ---------- */
:root {
  --bg:           #f1f5f9;
  --bg-card:      #ffffff;
  --bg-sidebar:   #0f172a;
  --bg-sidebar-hover: #1e293b;
  --sidebar-active: #6366f1;
  --text:         #1e293b;
  --text-muted:   #64748b;
  --text-sidebar: #cbd5e1;
  --border:       #e2e8f0;
  --primary:      #6366f1;
  --primary-dark: #4f46e5;
  --success:      #22c55e;
  --warning:      #f59e0b;
  --danger:       #ef4444;
  --info:         #3b82f6;
  --radius:       10px;
  --shadow:       0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:    0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --sidebar-w:    240px;
  --topbar-h:     60px;
  --transition:   .2s ease;
}

[data-theme="dark"] {
  --bg:           #0f172a;
  --bg-card:      #1e293b;
  --bg-sidebar:   #020617;
  --bg-sidebar-hover: #0f172a;
  --text:         #e2e8f0;
  --text-muted:   #94a3b8;
  --border:       #334155;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }
ul { list-style: none; }

/* ---------- Auth Layout ---------- */
.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); }
.auth-container { width: 100%; max-width: 420px; padding: 20px; }
.auth-card { background: var(--bg-card); border-radius: 16px; padding: 40px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.auth-brand { text-align: center; margin-bottom: 32px; }
.brand-icon-lg { display: inline-flex; align-items: center; justify-content: center; width: 64px; height: 64px; background: var(--primary); border-radius: 16px; font-size: 28px; color: #fff; margin-bottom: 12px; }
.auth-brand h1 { font-size: 24px; font-weight: 700; color: var(--text); }
.auth-brand p { color: var(--text-muted); font-size: 14px; }
.auth-form .form-group { margin-bottom: 18px; }
.auth-form label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.input-icon { position: relative; }
.input-icon > i:first-child { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 14px; pointer-events: none; }
.input-icon input { width: 100%; padding: 10px 40px 10px 36px; border: 1.5px solid var(--border); border-radius: var(--radius); background: var(--bg); color: var(--text); transition: border-color var(--transition); }
.input-icon input:focus { outline: none; border-color: var(--primary); }
.toggle-password { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; color: var(--text-muted); padding: 4px; }
.form-check { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; font-size: 14px; }
.form-check input { width: 16px; height: 16px; cursor: pointer; }
.btn-full { width: 100%; }
.auth-hint { text-align: center; margin-top: 20px; font-size: 12px; color: var(--text-muted); background: var(--bg); padding: 10px; border-radius: 8px; }

/* ---------- Sidebar ---------- */
.sidebar { position: fixed; top: 0; left: 0; width: var(--sidebar-w); height: 100vh; background: var(--bg-sidebar); display: flex; flex-direction: column; z-index: 100; transition: transform var(--transition); overflow-y: auto; }
.sidebar-brand { display: flex; align-items: center; gap: 12px; padding: 20px 20px 16px; border-bottom: 1px solid rgba(255,255,255,.08); }
.brand-icon { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--primary); border-radius: 8px; font-size: 16px; color: #fff; flex-shrink: 0; }
.brand-text { font-size: 18px; font-weight: 700; color: #fff; }
.sidebar-nav { flex: 1; padding: 12px 0; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 11px 20px; color: var(--text-sidebar); font-size: 14px; font-weight: 500; cursor: pointer; transition: background var(--transition), color var(--transition); border: none; background: none; width: 100%; text-align: left; text-decoration: none; }
.nav-item:hover { background: var(--bg-sidebar-hover); color: #fff; text-decoration: none; }
.nav-item.active { background: var(--sidebar-active); color: #fff; }
.nav-item i { width: 18px; text-align: center; font-size: 15px; }
.sidebar-footer { padding: 12px 0; border-top: 1px solid rgba(255,255,255,.08); }
.nav-logout { color: #f87171; }
.nav-logout:hover { background: rgba(239,68,68,.15); color: #f87171; }

/* ---------- Main Wrapper ---------- */
.main-wrapper { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.topbar { height: var(--topbar-h); background: var(--bg-card); border-bottom: 1px solid var(--border); display: flex; align-items: center; padding: 0 24px; gap: 16px; position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow); }
.sidebar-toggle { display: none; background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text); padding: 6px; }
.topbar-title { font-size: 16px; font-weight: 600; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.theme-toggle { background: none; border: 1.5px solid var(--border); border-radius: 8px; padding: 6px 10px; cursor: pointer; color: var(--text); font-size: 14px; transition: all var(--transition); }
.theme-toggle:hover { border-color: var(--primary); color: var(--primary); }
.admin-badge { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.main-content { flex: 1; padding: 24px; }

/* ---------- Page Header ---------- */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-header h2 { font-size: 22px; font-weight: 700; }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Cards ---------- */
.card { background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); margin-bottom: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.card-header h3 { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-body { padding: 20px; }
.card-body.p-0 { padding: 0; }
.filter-card { margin-bottom: 16px; }
.filter-card .card-body { padding: 14px 20px; }

/* ---------- Stats Grid ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); padding: 20px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow); }
.stat-icon { width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.stat-total .stat-icon   { background: rgba(99,102,241,.12); color: var(--primary); }
.stat-active .stat-icon  { background: rgba(34,197,94,.12);  color: var(--success); }
.stat-inactive .stat-icon{ background: rgba(245,158,11,.12); color: var(--warning); }
.stat-expired .stat-icon { background: rgba(239,68,68,.12);  color: var(--danger); }
.stat-warning .stat-icon { background: rgba(245,158,11,.12); color: var(--warning); }
.stat-paid .stat-icon    { background: rgba(34,197,94,.12);  color: var(--success); }
.stat-unpaid .stat-icon  { background: rgba(239,68,68,.12);  color: var(--danger); }
.stat-value { font-size: 26px; font-weight: 700; line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ---------- Dashboard Layout ---------- */
.dashboard-row { display: flex; gap: 20px; margin-bottom: 0; flex-wrap: wrap; }
.dashboard-row .card { flex: 1; min-width: 280px; }
.flex-1 { flex: 1; }
.flex-2 { flex: 2; }
.chart-center { display: flex; flex-direction: column; align-items: center; }
.donut-legend { display: flex; gap: 16px; margin-top: 12px; font-size: 13px; flex-wrap: wrap; justify-content: center; }
.legend-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; }
.legend-dot.active   { background: var(--success); }
.legend-dot.inactive { background: var(--warning); }
.legend-dot.expired  { background: var(--danger); }

/* ---------- Tables ---------- */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { padding: 11px 16px; text-align: left; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); background: var(--bg); border-bottom: 1px solid var(--border); }
.table td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table-hover tbody tr:hover { background: var(--bg); }
.domain-text { font-family: monospace; font-size: 13px; color: var(--text-muted); }
.client-name-link { font-weight: 600; color: var(--text); }
.client-name-link:hover { color: var(--primary); text-decoration: none; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-lg { padding: 5px 14px; font-size: 13px; }
.badge-active   { background: rgba(34,197,94,.12);  color: #16a34a; }
.badge-inactive { background: rgba(245,158,11,.12); color: #d97706; }
.badge-expired  { background: rgba(239,68,68,.12);  color: #dc2626; }
.badge-valid    { background: rgba(34,197,94,.12);  color: #16a34a; }
.badge-invalid  { background: rgba(239,68,68,.12);  color: #dc2626; }
.badge-suspended{ background: rgba(239,68,68,.12);  color: #dc2626; }
.badge-plan-monthly { background: rgba(99,102,241,.12); color: var(--primary); }
.badge-plan-yearly  { background: rgba(59,130,246,.12); color: var(--info); }
.badge-payment-paid    { background: rgba(34,197,94,.12);  color: #16a34a; }
.badge-payment-unpaid  { background: rgba(239,68,68,.12);  color: #dc2626; }
.badge-payment-pending { background: rgba(245,158,11,.12); color: #d97706; }

/* ---------- Toggle Switch ---------- */
.toggle-switch { position: relative; display: inline-block; width: 40px; height: 22px; vertical-align: middle; margin-right: 6px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; inset: 0; background: #cbd5e1; border-radius: 22px; transition: .3s; }
.toggle-slider::before { content: ''; position: absolute; width: 16px; height: 16px; left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: .3s; }
.toggle-switch input:checked + .toggle-slider { background: var(--success); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); }
.toggle-switch input:disabled + .toggle-slider { opacity: .5; cursor: not-allowed; }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: 8px; font-size: 14px; font-weight: 500; cursor: pointer; border: 1.5px solid transparent; transition: all var(--transition); text-decoration: none; white-space: nowrap; }
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(99,102,241,.06); }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-warning { background: var(--warning); color: #fff; border-color: var(--warning); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { background: #dc2626; }
.btn-whatsapp { background: #25d366; color: #fff; border-color: #25d366; }
.btn-whatsapp:hover { background: #1ebe5d; }
.btn-sm { padding: 5px 12px; font-size: 13px; border-radius: 6px; }
.action-btns { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea { width: 100%; padding: 9px 13px; border: 1.5px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); transition: border-color var(--transition); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--primary); background: var(--bg-card); }
.form-group input.is-invalid,
.form-group select.is-invalid { border-color: var(--danger); }
.form-group input[disabled] { opacity: .6; cursor: not-allowed; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-actions { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.field-error { display: block; color: var(--danger); font-size: 12px; margin-top: 4px; }
.field-hint { display: block; color: var(--text-muted); font-size: 12px; margin-top: 4px; }
.required { color: var(--danger); }
.expiry-helpers { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; padding: 12px; background: var(--bg); border-radius: 8px; }

/* ---------- Alerts ---------- */
.alert { display: flex; align-items: flex-start; gap: 10px; padding: 14px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; position: relative; }
.alert-success { background: rgba(34,197,94,.1);  color: #15803d; border: 1px solid rgba(34,197,94,.3); }
.alert-danger  { background: rgba(239,68,68,.1);  color: #b91c1c; border: 1px solid rgba(239,68,68,.3); }
.alert-close { position: absolute; right: 12px; top: 10px; background: none; border: none; font-size: 18px; cursor: pointer; color: inherit; opacity: .6; line-height: 1; }
.alert-close:hover { opacity: 1; }

/* ---------- Filter Bar ---------- */
.filter-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.filter-input, .filter-select { padding: 8px 12px; border: 1.5px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font-size: 14px; }
.filter-input { min-width: 220px; }
.filter-input:focus, .filter-select:focus { outline: none; border-color: var(--primary); }

/* ---------- Bulk Actions ---------- */
.bulk-actions { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: rgba(99,102,241,.08); border: 1.5px solid rgba(99,102,241,.3); border-radius: 8px; margin-bottom: 12px; font-size: 14px; font-weight: 500; flex-wrap: wrap; }

/* ---------- Pagination ---------- */
.pagination-wrapper { display: flex; justify-content: center; margin-top: 20px; }
.pagination { display: flex; gap: 4px; align-items: center; }
.page-btn { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 10px; border-radius: 8px; border: 1.5px solid var(--border); background: var(--bg-card); color: var(--text); font-size: 14px; cursor: pointer; transition: all var(--transition); text-decoration: none; }
.page-btn:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.page-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.page-btn.disabled { opacity: .4; cursor: not-allowed; pointer-events: none; }

/* ---------- Client Detail ---------- */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
.info-item { display: flex; flex-direction: column; gap: 3px; }
.info-label { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); }
.info-value { font-size: 14px; color: var(--text); }
.domain-link { color: var(--primary); font-family: monospace; }
.notes-box { background: var(--bg); border-radius: 8px; padding: 14px; margin-bottom: 20px; font-size: 14px; }
.notes-box p { margin-top: 6px; color: var(--text-muted); }
.quick-actions { display: flex; gap: 10px; flex-wrap: wrap; padding-top: 16px; border-top: 1px solid var(--border); }

/* ---------- Script Box ---------- */
.script-instructions { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.instruction-step { display: flex; gap: 14px; align-items: flex-start; }
.step-num { display: flex; align-items: center; justify-content: center; width: 28px; height: 28px; background: var(--primary); color: #fff; border-radius: 50%; font-size: 13px; font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.instruction-step strong { font-size: 14px; }
.instruction-step p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.script-box { background: #0f172a; border-radius: 10px; padding: 20px; margin-bottom: 16px; overflow-x: auto; border: 1px solid #1e293b; }
.script-box pre { color: #e2e8f0; font-family: 'Courier New', monospace; font-size: 13px; line-height: 1.7; white-space: pre-wrap; word-break: break-all; }
.script-meta { display: flex; flex-direction: column; gap: 10px; }
.meta-item { display: flex; align-items: center; gap: 10px; font-size: 13px; flex-wrap: wrap; }
.meta-label { font-weight: 600; color: var(--text-muted); min-width: 110px; }
.license-key-display { background: var(--bg); padding: 4px 10px; border-radius: 6px; font-family: monospace; font-size: 14px; letter-spacing: .08em; border: 1px solid var(--border); }

/* ---------- Toast Notification ---------- */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 10px; }
.toast { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-radius: 10px; font-size: 14px; font-weight: 500; box-shadow: 0 8px 24px rgba(0,0,0,.15); animation: slideIn .3s ease; min-width: 240px; }
.toast-success { background: #15803d; color: #fff; }
.toast-error   { background: #b91c1c; color: #fff; }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fadeOut { to { opacity: 0; transform: translateX(100%); } }

/* ---------- Text Utilities ---------- */
.text-center { text-align: center; }
.text-muted  { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-warning{ color: var(--warning); }
.text-success{ color: var(--success); }
code { background: var(--bg); padding: 2px 7px; border-radius: 5px; font-family: monospace; font-size: 13px; border: 1px solid var(--border); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-wrapper { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-row { flex-direction: column; }
  .form-row { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .main-content { padding: 16px; }
  .table { font-size: 13px; }
  .table th, .table td { padding: 10px 10px; }
}

/* ============================================================
   Payment Management Styles
   ============================================================ */

/* Payment Summary Grid */
.payment-summary {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.pay-stat {
    background: var(--bg);
    border-radius: 8px;
    padding: 12px 14px;
    border: 1px solid var(--border);
}
.pay-stat-danger {
    border-color: rgba(239,68,68,.4);
    background: rgba(239,68,68,.05);
}
.pay-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--text-muted);
    margin-bottom: 4px;
}
.pay-value {
    display: block;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
}

/* Payment form toggle */
.payment-form-toggle summary::-webkit-details-marker { display: none; }
.payment-form-toggle[open] summary { margin-bottom: 0; }

/* Overdue row highlight */
.row-overdue td { background: rgba(239,68,68,.04) !important; }
.row-overdue:hover td { background: rgba(239,68,68,.08) !important; }

/* Badge danger */
.badge-danger { background: rgba(239,68,68,.12); color: #dc2626; }

/* btn-full */
.btn-full { width: 100%; justify-content: center; }

/* ============================================================
   Connection Status Banner
   ============================================================ */
.connection-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
    flex-wrap: wrap;
    border: 1.5px solid;
}
.connection-banner.connected {
    background: rgba(34,197,94,.08);
    border-color: rgba(34,197,94,.3);
    color: #15803d;
}
.connection-banner.not-connected {
    background: rgba(245,158,11,.08);
    border-color: rgba(245,158,11,.3);
    color: #92400e;
}
[data-theme="dark"] .connection-banner.connected { color: #4ade80; }
[data-theme="dark"] .connection-banner.not-connected { color: #fbbf24; }

.conn-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    display: inline-block;
}
.conn-dot-live {
    background: #22c55e;
    box-shadow: 0 0 0 3px rgba(34,197,94,.25);
    animation: pulse-dot 2s infinite;
}
.conn-dot-idle { background: #f59e0b; }
.conn-dot-none { background: #94a3b8; }
@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 3px rgba(34,197,94,.25); }
    50%       { box-shadow: 0 0 0 6px rgba(34,197,94,.1); }
}
.conn-detail { color: var(--text-muted); font-size: 13px; }
.conn-pings  { margin-left: auto; font-size: 12px; opacity: .7; }

/* ============================================================
   Tech Placement Tabs
   ============================================================ */
.tech-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 0;
    border-bottom: 2px solid var(--border);
    padding-bottom: 0;
}
.tech-tab {
    padding: 8px 16px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition);
    border-radius: 6px 6px 0 0;
}
.tech-tab:hover { color: var(--primary); background: rgba(99,102,241,.06); }
.tech-tab.active { color: var(--primary); border-bottom-color: var(--primary); background: rgba(99,102,241,.06); }

.tech-content { display: none; padding: 20px 0 0; }
.tech-content.active { display: block; }

.tech-steps { display: flex; flex-direction: column; gap: 16px; }
.tech-step {
    background: var(--bg);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid var(--border);
    position: relative;
}
.tech-step strong { display: block; font-size: 14px; margin-bottom: 6px; }
.tech-step p { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.6; }
.step-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: .04em;
}

.code-snippet {
    position: relative;
    margin-top: 10px;
    background: #0f172a;
    border-radius: 8px;
    overflow: hidden;
}
.code-snippet pre {
    color: #e2e8f0;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.6;
    padding: 14px 16px;
    margin: 0;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}
.snippet-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: #e2e8f0;
    padding: 4px 10px;
    border-radius: 5px;
    font-size: 11px;
    cursor: pointer;
    transition: background var(--transition);
}
.snippet-copy-btn:hover { background: rgba(255,255,255,.2); }