:root {
  --bg: #070a17;
  --bg2: #0a0f22;
  --glass: rgba(22, 30, 56, 0.55);
  --glass-border: rgba(120, 150, 230, 0.14);
  --panel: #111a33;
  --text: #eef2ff;
  --muted: #93a3cc;
  --accent: #6d5efc;
  --accent2: #17c8e6;
  --accent3: #ff6ec7;
  --ok: #34e39b;
  --warn: #ffd166;
  --danger: #ff6b6b;
  --grad: linear-gradient(135deg, #6d5efc 0%, #17c8e6 100%);
  --grad-soft: linear-gradient(135deg, rgba(109,94,252,.18), rgba(23,200,230,.12));
  --radius: 18px;
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  /* themeable surfaces */
  --input-bg: rgba(7, 11, 26, 0.6);
  --hover: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.03);
  --track: rgba(255, 255, 255, 0.12);
  --phone-bg: linear-gradient(180deg, #0c1330, #070a17);
  --bubble-bg: rgba(255, 255, 255, 0.07);
  --code-bg: rgba(255, 255, 255, 0.06);
  --sidebar-bg: linear-gradient(180deg, rgba(12,18,40,.85), rgba(7,10,23,.85));
  --aurora: radial-gradient(1000px 700px at 12% -8%, rgba(109,94,252,.28), transparent 55%),
            radial-gradient(900px 600px at 92% 8%, rgba(23,200,230,.20), transparent 55%),
            radial-gradient(800px 700px at 60% 110%, rgba(255,110,199,.14), transparent 55%),
            var(--bg);
}

/* ── Light theme ──────────────────────────────────────────── */
:root[data-theme="light"] {
  --bg: #eef1fb;
  --bg2: #f6f8ff;
  --glass: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(70, 90, 160, 0.16);
  --panel: #ffffff;
  --text: #16213f;
  --muted: #5c6a93;
  --grad-soft: linear-gradient(135deg, rgba(109,94,252,.12), rgba(23,200,230,.10));
  --shadow: 0 18px 44px -22px rgba(60, 80, 140, 0.4);
  --input-bg: rgba(255, 255, 255, 0.85);
  --hover: rgba(80, 100, 160, 0.06);
  --surface-2: rgba(80, 100, 160, 0.05);
  --track: rgba(80, 100, 160, 0.18);
  --phone-bg: linear-gradient(180deg, #ffffff, #eef1fb);
  --bubble-bg: rgba(80, 100, 160, 0.08);
  --code-bg: rgba(80, 100, 160, 0.1);
  --sidebar-bg: linear-gradient(180deg, rgba(255,255,255,.82), rgba(236,240,251,.9));
  --aurora: radial-gradient(1000px 700px at 12% -8%, rgba(109,94,252,.16), transparent 55%),
            radial-gradient(900px 600px at 92% 8%, rgba(23,200,230,.14), transparent 55%),
            radial-gradient(800px 700px at 60% 110%, rgba(255,110,199,.10), transparent 55%),
            var(--bg);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .3s ease, color .3s ease;
}
.glass, .card, .sidebar, input, textarea, select { transition: background .3s ease, border-color .3s ease, color .3s ease, box-shadow .2s ease, transform .2s ease; }

/* Theme toggle */
.theme-toggle {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  background: var(--glass); border: 1px solid var(--glass-border); backdrop-filter: blur(10px);
  color: var(--text); border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 600;
}
.theme-toggle:hover { border-color: rgba(120,150,230,.4); }
.theme-toggle .tt-ic { font-size: 15px; }

.hidden { display: none !important; }

/* Credit chip */
.credit-chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--grad-soft); border: 1px solid var(--glass-border); backdrop-filter: blur(10px);
  color: var(--text); border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 600;
}
.credit-chip b { color: var(--accent2); }
.credit-chip.low { border-color: rgba(255,107,107,.5); }
.credit-chip.low b { color: var(--danger); }
a.nav-item { text-decoration: none; }
.tbl td.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.quick { display: flex; gap: 6px; }

/* Announcement / maintenance banner */
.announce { padding: 12px 16px; border-radius: 12px; margin-bottom: 16px; font-size: 14px; font-weight: 500;
  background: var(--grad-soft); border: 1px solid var(--glass-border); color: var(--text); }
.announce.maint { background: rgba(255,209,102,.14); border-color: rgba(255,209,102,.4); color: var(--warn); }
.note-row td { padding-top: 0 !important; border-bottom: 1px solid var(--glass-border); }

/* Crypto top-up */
.pkg-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.pkg-card { cursor: pointer; text-align: center; padding: 18px 14px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--glass-border); color: var(--text); transition: all .18s; }
.pkg-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.pkg-card.sel { background: var(--grad-soft); border-color: var(--accent); box-shadow: 0 0 0 2px rgba(109,94,252,.3); }
.pkg-credits { font-size: 26px; font-weight: 800; letter-spacing: -1px; }
.pkg-sub { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.pkg-price { margin-top: 8px; font-size: 14px; font-weight: 700; color: var(--accent2); }
.wallet-row { display: flex; gap: 8px; align-items: center; }
.wallet-row code { flex: 1; background: var(--input-bg); border: 1px solid var(--glass-border); border-radius: 10px; padding: 11px 12px; font-size: 13px; word-break: break-all; }
.pay-amount { font-size: 22px; font-weight: 800; color: var(--accent2); }
.cfg-rows { display: flex; flex-direction: column; gap: 8px; }
.cfg-row { display: flex; gap: 8px; align-items: center; }
.cfg-row input { flex: 1; }
.cfg-row .btn { flex: 0 0 auto; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-content: center; padding: 24px; width: 100%; }
.login-card { width: min(400px, 92vw); padding: 30px; }
.login-card .logo { width: 38px; height: 38px; font-size: 19px; }
.login-card .brand-name { font-size: 18px; }

/* Animated aurora background */
.aurora {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background: var(--aurora);
  transition: background .3s ease;
}
.aurora::after {
  content: ""; position: absolute; inset: -50%;
  background: conic-gradient(from 0deg, transparent, rgba(109,94,252,.05), transparent 30%);
  animation: spin 40s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.app { display: grid; grid-template-columns: 264px 1fr; min-height: 100vh; }

/* Sidebar */
.sidebar {
  background: var(--sidebar-bg);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--glass-border);
  padding: 26px 18px; display: flex; flex-direction: column; gap: 26px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 13px; }
.logo {
  width: 44px; height: 44px; border-radius: 14px; background: var(--grad);
  display: grid; place-items: center; font-size: 22px; color: #fff;
  box-shadow: 0 8px 24px -6px rgba(109,94,252,.6);
}
.brand-name { font-weight: 800; font-size: 19px; letter-spacing: .2px; }
.brand-sub { font-size: 10px; color: var(--accent2); text-transform: uppercase; letter-spacing: 2px; font-weight: 600; }

nav { display: flex; flex-direction: column; gap: 4px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; text-align: left;
  background: transparent; border: 0; color: var(--muted);
  padding: 12px 13px; border-radius: 12px; cursor: pointer; font-size: 14px; font-weight: 500;
  transition: all .18s ease; position: relative;
}
.nav-item .ni { width: 20px; text-align: center; opacity: .8; }
.nav-item:hover { background: var(--hover); color: var(--text); }
.nav-item.active { background: var(--grad-soft); color: var(--text); box-shadow: inset 0 0 0 1px var(--glass-border); }
.nav-item.active::before {
  content: ""; position: absolute; left: 0; top: 20%; bottom: 20%; width: 3px;
  border-radius: 3px; background: var(--grad);
}

.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 12px; }
.plan-card { background: var(--grad-soft); border: 1px solid var(--glass-border); border-radius: 14px; padding: 14px; }
.plan-badge { font-size: 10px; font-weight: 700; letter-spacing: 1.5px; color: #fff; background: var(--grad); padding: 3px 8px; border-radius: 6px; }
.plan-title { font-weight: 700; margin-top: 10px; font-size: 14px; }
.plan-sub { font-size: 11px; color: var(--muted); }
.mode-badge { padding: 9px 11px; border-radius: 11px; font-size: 12px; text-align: center; font-weight: 600; background: var(--panel); border: 1px solid var(--glass-border); }
.mode-badge.dry { color: var(--warn); border-color: rgba(255,209,102,.3); background: rgba(255,209,102,.08); }
.mode-badge.live { color: var(--ok); border-color: rgba(52,227,155,.3); background: rgba(52,227,155,.08); }

/* Main */
.main { padding: 28px 34px 60px; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 24px; gap: 16px; flex-wrap: wrap; }
.crumb { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.topbar h1 { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -.5px; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font-size: 12px; padding: 7px 12px; border-radius: 999px; background: var(--glass); border: 1px solid var(--glass-border); color: var(--muted); backdrop-filter: blur(10px); }
.chip b { color: var(--text); }

.view { animation: fade .35s ease; }
.view.hidden { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.glass { background: var(--glass); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); box-shadow: var(--shadow); }
.panel { border-radius: var(--radius); padding: 22px; margin-bottom: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; gap: 12px; }
.panel-head h3 { margin: 0; font-size: 16px; font-weight: 700; }

.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
.grid-compose { display: grid; grid-template-columns: 1.3fr .9fr; gap: 18px; align-items: start; }

/* Stat cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 18px; }
.card {
  position: relative; overflow: hidden; border-radius: var(--radius); padding: 20px;
  background: var(--glass); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); box-shadow: var(--shadow);
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-3px); border-color: rgba(120,150,230,.35); }
.card::after { content: ""; position: absolute; right: -30px; top: -30px; width: 110px; height: 110px; border-radius: 50%; background: var(--grad-soft); filter: blur(6px); }
.card .k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.card .v { font-size: 32px; font-weight: 800; margin-top: 8px; letter-spacing: -1px; }
.card .d { font-size: 12px; margin-top: 6px; color: var(--accent2); position: relative; z-index: 1; }
.card .ic { position: absolute; right: 18px; top: 18px; font-size: 20px; opacity: .85; z-index: 1; }

/* Chart */
.chart { width: 100%; height: 220px; }
.chart svg { width: 100%; height: 100%; overflow: visible; }
.donut-wrap { display: flex; align-items: center; gap: 22px; justify-content: center; padding: 8px 0; }
.legend { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.legend .lg { display: flex; align-items: center; gap: 8px; }
.legend .dot { width: 10px; height: 10px; border-radius: 3px; }

/* Shield grid */
.shield-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.shield { display: flex; gap: 12px; padding: 14px; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--glass-border); }
.shield-ic { font-size: 20px; }
.shield b { display: block; font-size: 13px; }
.shield span { font-size: 12px; color: var(--muted); }

/* Forms */
.field { margin-bottom: 16px; }
.field label { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--muted); margin-bottom: 7px; font-weight: 500; }
input, textarea, select {
  width: 100%; background: var(--input-bg); border: 1px solid var(--glass-border); color: var(--text);
  border-radius: 12px; padding: 12px 14px; font-size: 14px; font-family: inherit; transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(109,94,252,.18); }
textarea { resize: vertical; }
.hint { color: var(--muted); font-size: 12px; }
.hint code { background: var(--code-bg); padding: 2px 6px; border-radius: 6px; }
.meter-row { display: flex; justify-content: space-between; margin-top: 7px; }
.link { color: var(--accent2); cursor: pointer; font-size: 12px; }
.link:hover { text-decoration: underline; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.row input { flex: 1; min-width: 150px; }

/* Segmented control */
.seg { display: inline-flex; background: var(--input-bg); border: 1px solid var(--glass-border); border-radius: 12px; padding: 4px; margin-bottom: 18px; }
.seg-btn { border: 0; background: transparent; color: var(--muted); padding: 8px 20px; border-radius: 9px; cursor: pointer; font-size: 13px; font-weight: 600; transition: all .18s; }
.seg-btn.active { background: var(--grad); color: #fff; box-shadow: 0 6px 16px -8px rgba(109,94,252,.8); }

/* Switch */
.switch { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); cursor: pointer; white-space: nowrap; }
.switch input { display: none; }
.switch .track { width: 40px; height: 22px; border-radius: 999px; background: var(--track); position: relative; transition: background .2s; }
.switch .track::after { content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform .2s; }
.switch input:checked + .track { background: var(--grad); }
.switch input:checked + .track::after { transform: translateX(18px); }

/* Buttons */
.btn { position: relative; background: var(--grad); border: 0; color: #fff; padding: 12px 22px; border-radius: 12px; cursor: pointer; font-size: 14px; font-weight: 700; overflow: hidden; transition: transform .12s, box-shadow .2s; box-shadow: 0 10px 26px -12px rgba(109,94,252,.8); }
.btn:hover { transform: translateY(-1px); box-shadow: 0 14px 30px -12px rgba(109,94,252,.9); }
.btn:active { transform: translateY(0); }
.btn.ghost { background: transparent; border: 1px solid var(--glass-border); color: var(--text); box-shadow: none; }
.btn.small { padding: 6px 12px; font-size: 12px; }
.btn.danger { background: linear-gradient(135deg, #ff6b6b, #ff8e53); }

/* Tables */
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th, .tbl td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--glass-border); }
.tbl th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.tbl tbody tr { transition: background .15s; }
.tbl tbody tr:hover { background: var(--surface-2); }
.badge { padding: 4px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.badge.opted_in { background: rgba(52,227,155,.14); color: var(--ok); }
.badge.opted_out { background: rgba(255,107,107,.14); color: var(--danger); }
.badge.unknown { background: rgba(255,209,102,.14); color: var(--warn); }
.search { max-width: 240px; padding: 9px 12px; }

.pill { font-size: 11px; padding: 4px 10px; border-radius: 999px; font-weight: 600; }
.pill.ok { background: rgba(52,227,155,.14); color: var(--ok); }

.result { margin-top: 14px; font-size: 13px; padding: 0; }
.result.ok { color: var(--ok); }
.result.err { color: var(--danger); }

/* Phone preview */
.preview-card { position: sticky; top: 28px; }
.phone { margin: 0 auto 16px; width: 230px; background: var(--phone-bg); border: 1px solid var(--glass-border); border-radius: 28px; padding: 22px 14px 18px; position: relative; box-shadow: var(--shadow); }
.phone-notch { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); width: 60px; height: 5px; border-radius: 4px; background: rgba(255,255,255,.15); }
.phone-screen { min-height: 150px; }
.bubble-sender { font-size: 11px; color: var(--accent2); font-weight: 700; margin-bottom: 6px; letter-spacing: .5px; }
.bubble { background: var(--bubble-bg); border: 1px solid var(--glass-border); border-radius: 4px 14px 14px 14px; padding: 11px 13px; font-size: 13px; line-height: 1.5; word-break: break-word; white-space: pre-wrap; }
.bubble-time { font-size: 10px; color: var(--muted); margin-top: 6px; }
.audience-box { text-align: center; padding: 16px; border-radius: 14px; background: var(--grad-soft); border: 1px solid var(--glass-border); }
.ab-k { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.ab-v { font-size: 34px; font-weight: 800; letter-spacing: -1px; }
.ab-sub { font-size: 12px; color: var(--muted); }

/* History */
.hist-item { border: 1px solid var(--glass-border); border-radius: 14px; padding: 16px; margin-bottom: 12px; background: var(--surface-2); }
.hh { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.hh b { font-size: 15px; }
.hist-meta { font-size: 12px; color: var(--muted); }
.progress { height: 8px; background: var(--track); border-radius: 999px; overflow: hidden; margin: 12px 0 10px; }
.progress > span { display: block; height: 100%; background: var(--grad); border-radius: 999px; transition: width .5s ease; }
.hist-stats { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.hist-stats b { color: var(--text); }
.status-tag { font-size: 11px; padding: 4px 10px; border-radius: 999px; font-weight: 600; }
.status-tag.sending, .status-tag.queued { background: rgba(23,200,230,.14); color: var(--accent2); }
.status-tag.done { background: rgba(52,227,155,.14); color: var(--ok); }
.status-tag.scheduled { background: rgba(255,209,102,.14); color: var(--warn); }
.status-tag.failed { background: rgba(255,107,107,.14); color: var(--danger); }
.status-tag.draft { background: rgba(255,255,255,.08); color: var(--muted); }

/* Templates */
.tpl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.tpl-card { border-radius: 14px; padding: 16px; background: var(--glass); border: 1px solid var(--glass-border); backdrop-filter: blur(12px); }
.tpl-card h4 { margin: 0 0 6px; font-size: 14px; }
.tpl-card .tpl-body { font-size: 13px; color: var(--muted); margin: 8px 0; line-height: 1.5; }
.tpl-card .tpl-actions { display: flex; gap: 8px; }

/* Toasts */
.toasts { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: 10px; z-index: 100; }
.toast { padding: 14px 18px; border-radius: 12px; background: var(--glass); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); box-shadow: var(--shadow); font-size: 13px; min-width: 240px; animation: slidein .3s ease; display: flex; gap: 10px; align-items: center; }
.toast.ok { border-left: 3px solid var(--ok); }
.toast.err { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent2); }
@keyframes slidein { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: none; } }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(3,5,12,.6); backdrop-filter: blur(4px); display: grid; place-items: center; z-index: 200; }
.modal.hidden { display: none; }
.modal-card { border-radius: var(--radius); padding: 24px; width: min(480px, 92vw); max-height: 80vh; overflow: auto; }
.modal-card h3 { margin-top: 0; }
.tpl-pick-item { padding: 12px; border-radius: 10px; border: 1px solid var(--glass-border); margin-bottom: 8px; cursor: pointer; transition: background .15s; }
.tpl-pick-item:hover { background: var(--hover); }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; flex-direction: row; align-items: center; overflow-x: auto; }
  nav { flex-direction: row; }
  .sidebar-foot { display: none; }
  .grid-2, .grid-compose { grid-template-columns: 1fr; }
}