:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --panel-2: #f8fafc;
  --text: #182230;
  --muted: #667085;
  --border: #e4e7ec;
  --primary: #b51f2e;
  --primary-2: #8e1421;
  --primary-soft: #fff1f2;
  --success: #067647;
  --success-soft: #ecfdf3;
  --warning: #b54708;
  --warning-soft: #fffaeb;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --shadow: 0 8px 24px rgba(16,24,40,.06);
}
* { box-sizing: border-box; }
html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
body { margin: 0; min-width: 320px; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 248px 1fr; }
.sidebar { position: sticky; top: 0; height: 100vh; background: #161a21; color: #fff; padding: 24px 16px; display: flex; flex-direction: column; z-index: 20; }
.brand { display: flex; gap: 12px; align-items: center; padding: 0 8px 26px; }
.brand-mark { width: 44px; height: 44px; border-radius: 13px; background: var(--primary); display: grid; place-items: center; font-size: 22px; font-weight: 800; }
.brand strong, .brand span { display: block; }
.brand strong { font-size: 16px; }
.brand span { font-size: 12px; color: #98a2b3; margin-top: 3px; }
.nav-list { display: grid; gap: 6px; }
.nav-item { border: 0; color: #cbd5e1; background: transparent; border-radius: 10px; padding: 12px 13px; display: flex; gap: 12px; align-items: center; text-align: left; }
.nav-item span { width: 20px; text-align: center; }
.nav-item:hover, .nav-item.active { background: rgba(255,255,255,.09); color: #fff; }
.sidebar-foot { margin-top: auto; border-top: 1px solid rgba(255,255,255,.1); padding: 18px 8px 0; display: flex; gap: 10px; align-items: center; }
.sidebar-foot strong, .sidebar-foot span { display: block; }
.sidebar-foot strong { font-size: 13px; }
.sidebar-foot span { font-size: 11px; color: #98a2b3; margin-top: 3px; }
.status-dot { width: 9px; height: 9px; border-radius: 99px; background: #f79009; box-shadow: 0 0 0 4px rgba(247,144,9,.14); }
.status-dot.live { background: #12b76a; box-shadow: 0 0 0 4px rgba(18,183,106,.14); }
.main { min-width: 0; }
.topbar { min-height: 88px; padding: 18px 30px; background: rgba(255,255,255,.9); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 10; backdrop-filter: blur(12px); }
.topbar h1 { margin: 0; font-size: 22px; }
.topbar p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.top-actions { display: flex; gap: 10px; align-items: center; }
.connection-pill { display: flex; align-items: center; gap: 7px; border: 1px solid var(--border); background: var(--panel); padding: 8px 11px; border-radius: 999px; font-size: 12px; color: var(--muted); }
.connection-pill span:first-child { width: 8px; height: 8px; border-radius: 50%; background: #f79009; }
.connection-pill.online span:first-child { background: #12b76a; }
.page { display: none; padding: 26px 30px 40px; }
.page.active { display: block; }
.metric-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 14px; margin-bottom: 18px; }
.metric-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 17px; box-shadow: var(--shadow); }
.metric-card span, .metric-card small, .metric-card strong { display: block; }
.metric-card span { color: var(--muted); font-size: 13px; }
.metric-card strong { font-size: 28px; margin: 8px 0 4px; letter-spacing: -.03em; }
.metric-card small { color: #98a2b3; }
.metric-card.success strong { color: var(--success); }
.metric-card.warning strong { color: var(--warning); }
.metric-card.danger strong { color: var(--danger); }
.two-column { display: grid; grid-template-columns: minmax(0,1.65fr) minmax(280px,.7fr); gap: 18px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 15px; padding: 20px; box-shadow: var(--shadow); }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.panel-head h2 { font-size: 16px; margin: 0; }
.panel-head p { font-size: 12px; color: var(--muted); margin: 5px 0 0; }
.text-btn { border: 0; background: transparent; color: var(--primary); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 500; background: var(--panel-2); }
th, td { padding: 12px 11px; border-bottom: 1px solid var(--border); vertical-align: middle; }
td { max-width: 340px; }
.truncate { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 280px; }
.empty { text-align: center; color: var(--muted); padding: 28px; }
.quick-panel { display: grid; align-content: start; }
.quick-action { border: 0; border-top: 1px solid var(--border); padding: 15px 2px; background: transparent; display: grid; grid-template-columns: 34px 1fr auto; gap: 10px; text-align: left; align-items: center; }
.quick-action > span { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.quick-action strong, .quick-action small { display: block; }
.quick-action strong { font-size: 13px; }
.quick-action small { color: var(--muted); margin-top: 3px; }
.quick-action b { color: #98a2b3; font-size: 21px; }
.callout { padding: 12px 13px; border-radius: 10px; background: var(--primary-soft); color: #7a271a; font-size: 12px; line-height: 1.55; }
.warning-callout { background: var(--warning-soft); color: #93370d; }
.danger-callout { background: var(--danger-soft); color: #912018; margin-bottom: 18px; }
.send-layout { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(310px,.65fr); gap: 18px; align-items: start; }
.send-form-panel label, .settings-layout label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
label small { display: block; color: var(--muted); font-weight: 400; margin-top: 5px; }
input, select, textarea { width: 100%; margin-top: 7px; border: 1px solid #d0d5dd; border-radius: 10px; padding: 10px 11px; color: var(--text); background: var(--panel); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(181,31,46,.1); }
textarea { resize: vertical; line-height: 1.55; }
.form-grid { display: grid; gap: 14px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.segmented { display: inline-grid; grid-template-columns: 1fr 1fr; background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; margin-bottom: 18px; }
.segmented button { border: 0; border-radius: 7px; padding: 8px 16px; background: transparent; color: var(--muted); }
.segmented button.active { background: var(--panel); color: var(--text); box-shadow: 0 1px 3px rgba(16,24,40,.1); }
.button { border: 1px solid transparent; border-radius: 9px; padding: 9px 14px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; text-decoration: none; font-size: 13px; }
.button.primary { background: var(--primary); color: #fff; }
.button.primary:hover { background: var(--primary-2); }
.button.secondary { background: var(--panel); color: var(--text); border-color: #d0d5dd; }
.button.ghost { background: transparent; color: var(--muted); border-color: transparent; }
.icon-btn { border: 0; background: transparent; font-size: 22px; color: inherit; padding: 5px; }
.hidden { display: none !important; }
.field-actions, .counter-row, .send-actions, .settings-actions, .pagination { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.field-actions { margin-top: 8px; }
.field-actions span, .counter-row { color: var(--muted); font-size: 12px; }
.file-button { position: relative; cursor: pointer; }
.send-actions, .settings-actions { justify-content: flex-end; padding-top: 6px; }
.switch-row { display: flex !important; align-items: center; gap: 10px; font-weight: 400 !important; }
.switch-row input { width: 18px; height: 18px; margin: 0; accent-color: var(--primary); }
.switch-row span { display: flex; flex-direction: column; }
.switch-row.important { padding: 13px; background: var(--panel-2); border-radius: 10px; }
.preview-panel { position: sticky; top: 112px; }
.phone-preview { width: min(100%, 310px); margin: 0 auto 20px; border: 8px solid #1f2937; border-radius: 30px; padding: 14px 14px 26px; min-height: 390px; background: #f2f4f7; }
.phone-top { display: flex; justify-content: space-between; font-size: 10px; color: #475467; }
.phone-title { text-align: center; font-size: 13px; font-weight: 700; margin: 28px 0 14px; }
.message-bubble { background: #fff; border-radius: 14px 14px 14px 4px; padding: 12px; font-size: 13px; line-height: 1.55; box-shadow: 0 1px 3px rgba(16,24,40,.08); overflow-wrap: anywhere; }
.phone-time { color: #98a2b3; font-size: 10px; margin-top: 7px; }
.summary-list { margin: 0; }
.summary-list div { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border); font-size: 13px; }
.summary-list dt { color: var(--muted); }
.summary-list dd { margin: 0; font-weight: 600; }
.template-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.template-card { border: 1px solid var(--border); border-radius: 12px; padding: 15px; background: var(--panel-2); }
.template-card h3 { font-size: 14px; margin: 0 0 9px; }
.template-card p { color: var(--muted); font-size: 13px; line-height: 1.55; min-height: 62px; }
.template-card footer { display: flex; justify-content: space-between; gap: 8px; }
.records-head { align-items: flex-end; }
.filters { display: grid; grid-template-columns: minmax(200px,1fr) 180px auto; gap: 10px; margin-bottom: 15px; }
.filters input, .filters select { margin: 0; }
.table-wrap.wide table { min-width: 920px; }
.pagination { margin-top: 15px; color: var(--muted); font-size: 12px; }
.pagination div { display: flex; align-items: center; gap: 8px; }
.badge { display: inline-flex; padding: 4px 8px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .02em; }
.badge.delivered, .badge.completed { background: var(--success-soft); color: var(--success); }
.badge.pending, .badge.scheduled, .badge.processing { background: var(--warning-soft); color: var(--warning); }
.badge.failed, .badge.cancelled, .badge.rejected, .badge.undelivered, .badge.expire { background: var(--danger-soft); color: var(--danger); }
.settings-layout { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(310px,.7fr); gap: 18px; align-items: start; }
.info-panel { position: sticky; top: 112px; }
.info-panel h3 { font-size: 14px; margin: 22px 0 10px; }
.status-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; font-size: 12px; }
.status-list li { display: flex; align-items: center; gap: 8px; }
.balance-result { margin-top: 20px; border: 1px dashed #d0d5dd; border-radius: 10px; padding: 13px; font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.modal { position: fixed; inset: 0; background: rgba(16,24,40,.52); display: grid; place-items: center; padding: 20px; z-index: 50; }
.modal-card { width: min(560px, 100%); background: var(--panel); border-radius: 15px; padding: 20px; box-shadow: 0 20px 60px rgba(16,24,40,.2); max-height: 90vh; overflow: auto; }
.modal-head { display: flex; align-items: center; justify-content: space-between; }
.modal-head h2 { margin: 0; font-size: 17px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }
.preview-summary { display: grid; gap: 10px; margin-top: 16px; }
.preview-summary div { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--border); padding-bottom: 9px; font-size: 13px; }
.preview-content { margin-top: 14px; padding: 12px; background: var(--panel-2); border-radius: 10px; white-space: pre-wrap; overflow-wrap: anywhere; }
.toast { position: fixed; right: 24px; bottom: 24px; background: #101828; color: #fff; padding: 12px 16px; border-radius: 10px; box-shadow: var(--shadow); z-index: 80; max-width: 360px; font-size: 13px; }
.toast.error { background: var(--danger); }
.mobile-only { display: none; }
@media (max-width: 1080px) {
  .metric-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .template-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: -260px; transition: left .2s; width: 248px; }
  .sidebar.open { left: 0; }
  .mobile-only { display: inline-flex; }
  .topbar > div:first-child { display: grid; grid-template-columns: auto 1fr; column-gap: 8px; }
  .topbar p { grid-column: 2; }
  .two-column, .send-layout, .settings-layout { grid-template-columns: 1fr; }
  .preview-panel, .info-panel { position: static; }
}
@media (max-width: 620px) {
  .topbar, .page { padding-left: 16px; padding-right: 16px; }
  .top-actions .connection-pill { display: none; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .metric-card:last-child { grid-column: span 2; }
  .form-grid.two, .template-grid, .filters { grid-template-columns: 1fr; }
  .field-actions, .counter-row, .send-actions, .settings-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .records-actions .button, .pagination .button { width: auto; }
  .toast { left: 16px; right: 16px; bottom: 16px; }
}
@media (prefers-color-scheme: dark) {
  :root { --bg:#0f1115; --panel:#171a20; --panel-2:#20242c; --text:#f1f5f9; --muted:#a4adbb; --border:#303640; --primary-soft:#35151b; --success-soft:#123326; --warning-soft:#332711; --danger-soft:#351717; --shadow:none; }
  .topbar { background: rgba(23,26,32,.92); }
  input, select, textarea { border-color:#3c4350; }
  .phone-preview { background:#e8ecf1; color:#182230; }
}

/* Multi-provider configuration */
.provider-toolbar { display: grid; grid-template-columns: minmax(240px,1fr) auto; gap: 14px; align-items: end; margin: 18px 0 12px; }
.provider-toolbar label { margin-bottom: 0; }
.provider-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.provider-actions .button { white-space: nowrap; }
.settings-section-title { font-size: 14px; margin: 24px 0 12px; padding-top: 4px; }
.method-grid { grid-template-columns: 120px minmax(220px,1fr); }
.advanced-settings { border: 1px solid var(--border); border-radius: 12px; padding: 0 14px 14px; margin-top: 18px; background: var(--panel-2); }
.advanced-settings summary { cursor: pointer; padding: 14px 0; font-size: 13px; font-weight: 700; }
.advanced-settings[open] summary { border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.full-span { grid-column: 1 / -1; }
.compact-summary { margin-bottom: 18px; }
.danger-text { color: var(--danger); }
.muted-text { color: var(--muted); font-size: 13px; line-height: 1.5; }
.filters { grid-template-columns: minmax(200px,1fr) 170px 160px auto; }

@media (max-width: 760px) {
  .provider-toolbar, .method-grid { grid-template-columns: 1fr; }
  .provider-actions { justify-content: stretch; }
  .provider-actions .button { flex: 1 1 140px; }
}
@media (max-width: 620px) {
  .filters { grid-template-columns: 1fr; }
  .full-span { grid-column: auto; }
}

/* v3 country management */
.country-switcher{display:flex;align-items:center;gap:8px;margin:0;font-size:13px;color:var(--muted)}
.country-switcher select{min-width:180px;padding:9px 34px 9px 12px;background:var(--panel)}
.country-summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 20px;margin-bottom:18px;border:1px solid var(--border);border-radius:16px;background:var(--panel)}
.country-summary>div:first-child{display:flex;flex-direction:column;gap:3px}.country-summary strong{font-size:20px}.country-summary span{color:var(--muted);font-size:13px}
.country-summary-meta{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.country-summary-meta span{padding:7px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--border);color:var(--muted)}.country-summary-meta b{color:var(--text);margin-left:4px}
.country-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}
.country-card{border:1px solid var(--border);border-radius:16px;padding:18px;background:var(--panel)}.country-card.active{outline:2px solid var(--accent);outline-offset:-2px}
.country-card-head{display:flex;align-items:center;gap:12px}.country-card-head>div{min-width:0;flex:1}.country-card-head h3{margin:0;font-size:18px}.country-card-head h3 small{font-size:12px;color:var(--muted);margin-left:4px}.country-card-head p{margin:3px 0 0;color:var(--muted);font-size:13px}.country-flag{font-size:34px}
.country-card dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0}.country-card dl div{padding:10px;border-radius:10px;background:var(--surface)}.country-card dt{font-size:12px;color:var(--muted)}.country-card dd{margin:4px 0 0;font-weight:600}.country-card footer{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.default-label{font-size:12px;color:var(--accent);font-weight:600;padding:8px}
.country-check-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:12px 0 22px}.country-check{display:flex;align-items:flex-start;gap:10px;border:1px solid var(--border);border-radius:12px;padding:12px;background:var(--surface);cursor:pointer}.country-check input{margin-top:3px}.country-check span{display:flex;flex-direction:column;gap:2px}.country-check small{color:var(--muted)}
.template-country-tag{display:inline-flex;width:max-content;padding:4px 8px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:12px;color:var(--muted);margin-bottom:8px}
@media(max-width:1100px){.country-grid{grid-template-columns:1fr}.country-check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.country-summary{align-items:flex-start;flex-direction:column}.country-summary-meta{justify-content:flex-start}}
@media(max-width:760px){.top-actions{flex-wrap:wrap;justify-content:flex-end}.country-switcher{width:100%;justify-content:flex-end}.country-switcher select{min-width:0;max-width:220px}.country-check-grid{grid-template-columns:1fr}.country-card dl{grid-template-columns:1fr}.country-summary-meta{gap:6px}}