*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #ffffff;
  --bg2: #f5f5f7;
  --bg3: #e8e8ed;
  --border: #e2e2e7;
  --text: #0d0e12;
  --text2: #4a4a55;
  --text3: #8e8e9a;
  --accent: #111111;
  --accent-light: #f0f0f0;
  --accent-hover: #333333;
  --danger: #dc2626;
  --danger-bg: #fff5f5;
  --success: #16a34a;
  --success-bg: #f0fdf4;
  --warning: #d97706;
  --warning-bg: #fffbeb;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 14px rgba(0,0,0,0.06);
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

html, body { height: 100%; background: var(--bg2); font-family: var(--font); font-size: 15px; color: var(--text); -webkit-font-smoothing: antialiased; }

.app { max-width: 480px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; background: var(--bg2); }

.header { padding: 14px 18px; border-bottom: 1px solid var(--border); background: var(--bg); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; gap: 10px; }
.logo-mark { width: 32px; height: 32px; border-radius: 9px; background: var(--accent); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.logo-mark svg { width: 16px; height: 16px; color: #fff; }
.header-text { display: flex; align-items: center; gap: 6px; }
.logo-name { font-size: 16px; font-weight: 700; letter-spacing: -0.3px; color: var(--text); }
.logo-sep { color: var(--text3); font-size: 14px; }
.logo-sub { font-size: 13px; color: var(--text2); }

.screen { display: none; flex-direction: column; flex: 1; }
.screen.active { display: flex; }

.tabs { display: flex; gap: 2px; padding: 12px 16px 0; background: var(--bg); border-bottom: 1px solid var(--border); }
.tab { flex: 1; padding: 9px 12px; border: none; background: none; font-size: 13px; font-weight: 600; color: var(--text2); cursor: pointer; border-radius: var(--radius-sm) var(--radius-sm) 0 0; transition: all 0.15s; font-family: var(--font); position: relative; }
.tab.active { color: var(--accent); background: var(--accent-light); }
.tab.active::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--accent); border-radius: 2px 2px 0 0; }
.tab:hover:not(.active) { background: var(--bg2); }

.tab-content { display: none; flex-direction: column; gap: 14px; padding: 16px; flex: 1; }
.tab-content.active { display: flex; }

.accounts-list { display: flex; flex-direction: column; gap: 10px; flex: 1; }

.account-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, opacity 0.15s;
}
.account-card:hover { border-color: var(--accent); }
.account-inactive { opacity: 0.5; }

.account-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid var(--border); }
.account-avatar svg { width: 18px; height: 18px; color: var(--accent); }

.account-body { flex: 1; min-width: 0; }
.account-name-row { display: flex; align-items: center; gap: 6px; }
.account-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.dot-active { background: var(--success); }
.dot-inactive { background: var(--text3); }
.account-username { font-size: 12px; color: var(--accent); margin-top: 1px; }
.account-phone { font-size: 12px; color: var(--text3); margin-top: 2px; font-family: monospace; }
.account-id { font-size: 11px; color: var(--text3); margin-top: 1px; font-family: monospace; }

.account-actions { display: flex; flex-direction: column; gap: 5px; flex-shrink: 0; }

.toggle-btn {
  padding: 5px 10px; border-radius: 6px; font-size: 11px; font-weight: 600;
  cursor: pointer; border: 1px solid; font-family: var(--font); transition: all 0.15s;
  white-space: nowrap; text-align: center;
}
.toggle-active { color: var(--warning); border-color: #fde68a; background: var(--warning-bg); }
.toggle-active:hover { background: #fef3c7; border-color: var(--warning); }
.toggle-inactive { color: var(--success); border-color: #bbf7d0; background: var(--success-bg); }
.toggle-inactive:hover { background: #dcfce7; border-color: var(--success); }

.remove-btn {
  padding: 5px 10px; border-radius: 6px; font-size: 11px; font-weight: 600;
  cursor: pointer; border: 1px solid var(--border); color: var(--danger);
  background: none; font-family: var(--font); transition: all 0.15s; white-space: nowrap;
}
.remove-btn:hover { background: var(--danger-bg); border-color: var(--danger); }

.empty-state { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 48px 20px; color: var(--text3); }
.empty-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--accent-light); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.empty-icon svg { width: 26px; height: 26px; color: var(--accent); }
.empty-title { font-size: 15px; font-weight: 600; color: var(--text2); margin-bottom: 5px; }
.empty-sub { font-size: 13px; line-height: 1.5; }

.skeleton-card { height: 70px; border-radius: var(--radius); background: linear-gradient(90deg, var(--bg3) 25%, var(--border) 50%, var(--bg3) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.nav-back { display: flex; align-items: center; gap: 4px; font-size: 14px; font-weight: 600; color: var(--text2); cursor: pointer; width: fit-content; padding: 16px 16px 4px; user-select: none; }
.nav-back svg { width: 18px; height: 18px; }
.nav-back:hover { color: var(--accent); }

.form-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px 18px; box-shadow: var(--shadow); margin: 0 16px 16px; }
.form-title { font-size: 16px; font-weight: 700; margin-bottom: 20px; }

.step { display: none; flex-direction: column; gap: 16px; }
.step.active { display: flex; }

.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 11px; font-weight: 700; color: var(--text2); text-transform: uppercase; letter-spacing: 0.6px; }
.field-hint { font-size: 12px; color: var(--text3); }

.input-field { width: 100%; padding: 11px 13px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); color: var(--text); font-size: 15px; font-family: var(--font); outline: none; transition: border-color 0.15s; appearance: none; -webkit-appearance: none; }
.input-field:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,0,0,0.06); }
.input-field::placeholder { color: var(--text3); }

.country-search-wrap { position: relative; }
.country-search-wrap svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--text3); pointer-events: none; }
.country-search { padding-left: 34px !important; }

select.input-field { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239196a8' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; cursor: pointer; }

.otp-field { font-size: 24px; font-weight: 700; letter-spacing: 8px; text-align: center; }

.phone-row { display: flex; align-items: stretch; gap: 8px; }
.prefix-box { flex-shrink: 0; min-width: 60px; padding: 11px 10px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--bg2); font-size: 15px; font-weight: 600; color: var(--text); display: flex; align-items: center; justify-content: center; }
.phone-field { flex: 1; }

.btn { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 20px; border-radius: var(--radius-sm); font-size: 14px; font-weight: 600; font-family: var(--font); cursor: pointer; border: none; transition: all 0.15s; user-select: none; }
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: none; color: var(--text2); border: 1.5px solid var(--border); }
.btn-ghost:hover { background: var(--bg2); }
.full-width { width: 100%; }

.success-card { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 10px; padding: 40px 24px; margin: 16px; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); background: var(--bg); }
.success-avatar { width: 76px; height: 76px; border-radius: 50%; background: var(--accent-light); display: flex; align-items: center; justify-content: center; border: 2px solid var(--border); }
.success-avatar svg { width: 34px; height: 34px; color: var(--accent); }
.success-check { width: 28px; height: 28px; background: var(--success); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-top: -20px; border: 3px solid var(--bg); }
.success-check svg { width: 13px; height: 13px; color: #fff; }
.success-name { font-size: 18px; font-weight: 700; margin-top: 6px; }
.success-meta { font-size: 12px; color: var(--text3); }
.success-note { font-size: 13px; color: var(--text2); line-height: 1.55; max-width: 280px; }

.toast { position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(16px); background: #1a1d2e; color: #fff; padding: 11px 22px; border-radius: 24px; font-size: 13px; font-weight: 500; opacity: 0; pointer-events: none; transition: opacity 0.22s ease, transform 0.22s ease; white-space: nowrap; z-index: 9999; max-width: calc(100vw - 40px); box-shadow: 0 4px 20px rgba(0,0,0,0.22); }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

.loader-overlay { position: fixed; inset: 0; background: rgba(255,255,255,0.85); display: flex; align-items: center; justify-content: center; z-index: 9998; backdrop-filter: blur(2px); }
.spinner { width: 26px; height: 26px; border: 2.5px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.stat-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text3); margin-bottom: 6px; }
.stat-value { font-size: 26px; font-weight: 800; letter-spacing: -1px; color: var(--text); line-height: 1; }
.stat-value.green { color: var(--success); }
.stat-value.red { color: var(--danger); }
.stat-value.blue { color: var(--text); }

.section-title { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--text3); }

.acc-perf-list { display: flex; flex-direction: column; gap: 10px; }
.acc-perf-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.acc-perf-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 10px; }
.acc-perf-phone { font-size: 13px; font-weight: 600; color: var(--text); font-family: monospace; }
.acc-perf-rate { font-size: 13px; font-weight: 700; color: var(--text); }
.acc-perf-nums { font-size: 12px; color: var(--text3); margin-top: 2px; }
.progress-bg { height: 5px; background: var(--bg3); border-radius: 99px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 99px; background: var(--accent); transition: width 0.5s ease; }
.progress-bar.good { background: var(--success); }
.progress-bar.mid { background: var(--warning); }
.progress-bar.bad { background: var(--danger); }

.recent-list { display: flex; flex-direction: column; gap: 6px; }
.recent-row { display: flex; align-items: center; gap: 10px; background: var(--bg); border: 1px solid var(--border); border-radius: 9px; padding: 10px 12px; }
.recent-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.recent-dot.ok { background: var(--success); }
.recent-dot.fail { background: var(--danger); }
.recent-body { flex: 1; min-width: 0; }
.recent-group { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.recent-meta { font-size: 11px; color: var(--text3); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.recent-err { font-size: 11px; color: var(--danger); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.no-data { display: flex; flex-direction: column; align-items: center; padding: 36px 20px; text-align: center; }
.no-data svg { width: 36px; height: 36px; color: var(--text3); margin-bottom: 10px; }
.no-data p { font-size: 13px; color: var(--text3); line-height: 1.5; }

/* ── Country Picker ───────────────────────────── */

.country-picker { position: relative; }
.country-selected {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 13px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg);
  cursor: pointer; transition: border-color 0.15s; user-select: none;
}
.country-selected:hover { border-color: var(--accent); }
.country-selected:active { background: var(--bg2); }
#country-name-display { font-size: 15px; color: var(--text); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.country-dial-tag { font-size: 13px; font-weight: 600; color: var(--text3); font-family: monospace; flex-shrink: 0; }
.chevron-icon { width: 15px; height: 15px; color: var(--text3); flex-shrink: 0; }

.country-dropdown {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0;
  background: var(--bg); border: 1.5px solid var(--accent);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.13);
  z-index: 200; overflow: hidden;
}
.country-search-wrap {
  padding: 8px 8px 6px; border-bottom: 1px solid var(--border);
  position: relative;
}
.country-search-wrap svg {
  position: absolute; left: 19px; top: 50%; transform: translateY(-50%);
  width: 14px; height: 14px; color: var(--text3); pointer-events: none;
}
.country-search {
  padding-left: 34px !important; font-size: 14px !important;
  padding-top: 9px !important; padding-bottom: 9px !important;
  border-color: transparent !important; background: var(--bg2) !important;
}
.country-search:focus { border-color: var(--accent) !important; background: var(--bg) !important; }

.country-list { max-height: 210px; overflow-y: auto; }
.country-list::-webkit-scrollbar { width: 4px; }
.country-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.country-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px; cursor: pointer; font-size: 14px;
  transition: background 0.1s; border-bottom: 1px solid var(--bg2);
}
.country-item:last-child { border-bottom: none; }
.country-item:hover { background: var(--bg2); }
.country-item.selected { background: var(--accent-light); }
.country-item.selected .country-item-name { font-weight: 600; color: var(--accent); }
.country-item-name { color: var(--text); flex: 1; }
.country-item-dial { color: var(--text3); font-size: 12px; font-family: monospace; font-weight: 500; }
.country-no-results { padding: 18px; text-align: center; color: var(--text3); font-size: 13px; }