/* ═══════════════════════════════════════════════════════════
   iSMS.uz — Dashboard Panel Stylesheet
   ═══════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #6366f1; --primary-dark: #4f46e5; --primary-light: #818cf8;
  --secondary: #8b5cf6; --success: #10b981; --warning: #f59e0b; --danger: #ef4444;
  --bg: #f8faff; --sidebar-bg: #0f0c1a; --card-bg: #fff;
  --border: #e5e7f0; --text: #0f172a; --text-muted: #64748b; --text-light: #94a3b8;
  --sidebar-w: 256px; --topbar-h: 64px;
  --shadow-sm: 0 1px 4px rgba(99,102,241,.08); --shadow-md: 0 4px 16px rgba(99,102,241,.1);
  --radius: 12px; --transition: 0.22s ease;
}

body { font-family:'Inter',-apple-system,sans-serif; background:var(--bg); color:var(--text); display:flex; min-height:100vh; overflow-x:hidden; -webkit-font-smoothing:antialiased; }

/* ── SIDEBAR ──────────────────────────────────────────────── */
.sidebar { width:var(--sidebar-w); background:var(--sidebar-bg); display:flex; flex-direction:column; height:100vh; position:fixed; left:0; top:0; z-index:200; transition:transform var(--transition); overflow-y:auto; overflow-x:hidden; }
.sidebar-logo { display:flex; align-items:center; gap:10px; padding:24px 20px 20px; flex-shrink:0; }
.logo-icon { font-size:22px; }
.logo-text { font-size:20px; font-weight:800; color:#fff; letter-spacing:-.5px; }
.logo-text .accent { color:var(--primary-light); }
.sidebar-nav { flex:1; padding:0 12px; display:flex; flex-direction:column; gap:2px; }
.nav-section-label { font-size:10.5px; font-weight:700; color:rgba(255,255,255,.25); letter-spacing:1px; text-transform:uppercase; padding:12px 8px 6px; }
.nav-item { display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:var(--radius); font-size:14px; font-weight:500; color:rgba(255,255,255,.55); transition:var(--transition); text-decoration:none; position:relative; cursor:pointer; }
.nav-item svg { width:18px; height:18px; flex-shrink:0; }
.nav-item:hover { color:rgba(255,255,255,.9); background:rgba(255,255,255,.07); }
.nav-item.active { color:#fff; background:linear-gradient(135deg,rgba(99,102,241,.3),rgba(139,92,246,.2)); border:1px solid rgba(99,102,241,.2); }
.nav-badge { margin-left:auto; background:var(--primary); color:#fff; font-size:10px; font-weight:700; padding:2px 7px; border-radius:99px; }
.device-status { margin-left:auto; width:7px; height:7px; border-radius:50%; background:var(--success); box-shadow:0 0 0 2px rgba(16,185,129,.3); }
.sidebar-footer { padding:16px 12px; flex-shrink:0; border-top:1px solid rgba(255,255,255,.06); margin-top:8px; }
.plan-badge { background:rgba(99,102,241,.15); border:1px solid rgba(99,102,241,.2); border-radius:var(--radius); padding:12px; margin-bottom:12px; }
.plan-name { font-size:13px; font-weight:700; color:var(--primary-light); margin-bottom:8px; display:block; }
.plan-bar { height:4px; background:rgba(255,255,255,.1); border-radius:99px; overflow:hidden; margin-bottom:6px; }
.plan-fill { height:100%; background:linear-gradient(90deg,var(--primary),var(--secondary)); border-radius:99px; }
.plan-usage { font-size:11px; color:rgba(255,255,255,.4); }
.user-info { display:flex; align-items:center; gap:10px; }
.user-info img { width:36px; height:36px; border-radius:50%; border:2px solid rgba(99,102,241,.3); flex-shrink:0; }
.user-name { font-size:13px; font-weight:600; color:#fff; }
.user-email { font-size:11px; color:rgba(255,255,255,.4); margin-top:1px; }
.logout-btn { margin-left:auto; color:rgba(255,255,255,.3); transition:var(--transition); padding:4px; border-radius:6px; display:flex; }
.logout-btn svg { width:16px; height:16px; }
.logout-btn:hover { color:var(--danger); background:rgba(239,68,68,.1); }

/* ── MAIN ─────────────────────────────────────────────────── */
.main-content { flex:1; margin-left:var(--sidebar-w); display:flex; flex-direction:column; min-height:100vh; }

/* ── TOPBAR ───────────────────────────────────────────────── */
.topbar { height:var(--topbar-h); background:var(--card-bg); border-bottom:1px solid var(--border); display:flex; align-items:center; gap:16px; padding:0 28px; position:sticky; top:0; z-index:100; box-shadow:var(--shadow-sm); }
.topbar-burger { display:none; width:36px; height:36px; align-items:center; justify-content:center; border-radius:var(--radius); color:var(--text-muted); transition:var(--transition); }
.topbar-burger svg { width:20px; height:20px; }
.topbar-burger:hover { background:var(--bg); color:var(--primary); }
.topbar-title { font-size:18px; font-weight:700; flex:1; }
.topbar-actions { display:flex; align-items:center; gap:8px; }
.topbar-btn { width:38px; height:38px; display:flex; align-items:center; justify-content:center; border-radius:var(--radius); color:var(--text-muted); background:var(--bg); border:1px solid var(--border); transition:var(--transition); position:relative; }
.topbar-btn svg { width:18px; height:18px; }
.topbar-btn:hover { color:var(--primary); border-color:rgba(99,102,241,.3); background:#fff; }
.notif-dot { position:absolute; top:7px; right:7px; width:7px; height:7px; background:var(--danger); border-radius:50%; border:2px solid var(--card-bg); }

/* ── PAGE ─────────────────────────────────────────────────── */
.page { display:none; padding:28px; flex:1; }
.page.active { display:block; }
.page-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:28px; gap:16px; }
.page-header h1 { font-size:26px; font-weight:800; letter-spacing:-.5px; }
.page-header p { font-size:14px; color:var(--text-muted); margin-top:3px; }

/* ── BUTTONS ──────────────────────────────────────────────── */
.btn-primary { display:inline-flex; align-items:center; gap:8px; background:linear-gradient(135deg,var(--primary),var(--secondary)); color:#fff; padding:10px 20px; border-radius:99px; font-size:14px; font-weight:600; transition:var(--transition); border:none; cursor:pointer; box-shadow:0 3px 12px rgba(99,102,241,.35); }
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 6px 20px rgba(99,102,241,.45); }
.btn-primary.btn-full { width:100%; justify-content:center; border-radius:var(--radius); padding:12px; font-size:15px; }

/* ── STATS GRID ───────────────────────────────────────────── */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); padding:20px; display:flex; align-items:center; gap:14px; transition:var(--transition); }
.stat-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.stat-icon { width:46px; height:46px; border-radius:var(--radius); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.stat-icon svg { width:22px; height:22px; }
.stat-icon.sent     { background:rgba(99,102,241,.1); color:var(--primary); }
.stat-icon.delivered{ background:rgba(16,185,129,.1); color:var(--success); }
.stat-icon.failed   { background:rgba(239,68,68,.1); color:var(--danger); }
.stat-icon.devices  { background:rgba(6,182,212,.1); color:#06b6d4; }
.stat-data { flex:1; }
.stat-val { font-size:26px; font-weight:800; letter-spacing:-.5px; }
.stat-lbl { font-size:13px; color:var(--text-muted); margin-top:2px; }
.stat-trend { font-size:12px; font-weight:600; display:flex; align-items:center; gap:3px; flex-shrink:0; }
.stat-trend svg { width:14px; height:14px; }
.stat-trend.up   { color:var(--success); }
.stat-trend.down { color:var(--danger); }
.stat-trend.neutral { color:var(--text-muted); }

/* ── CARDS ────────────────────────────────────────────────── */
.card { background:var(--card-bg); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.card-header { display:flex; justify-content:space-between; align-items:center; padding:18px 22px; border-bottom:1px solid var(--border-light, #f1f3fa); }
.card-header h3 { font-size:15px; font-weight:700; }
.card-link { font-size:13px; color:var(--primary); font-weight:600; }
.card-link:hover { text-decoration:underline; }
.chart-tabs { display:flex; gap:4px; }
.ctab { padding:5px 12px; border-radius:99px; font-size:12px; font-weight:600; color:var(--text-muted); transition:var(--transition); border:1px solid transparent; }
.ctab.active { background:var(--primary); color:#fff; }
.ctab:hover:not(.active) { background:var(--bg); }

/* ── DASHBOARD GRID ───────────────────────────────────────── */
.dashboard-grid { display:grid; grid-template-columns:1.8fr 1fr; gap:20px; margin-bottom:20px; }
.chart-wrap { padding:20px; height:220px; }
.chart-wrap canvas { width:100%; height:100%; }

/* ── DEVICES ──────────────────────────────────────────────── */
.devices-list { padding:8px 0; }
.device-item { display:flex; align-items:center; gap:12px; padding:12px 22px; transition:var(--transition); }
.device-item:hover { background:var(--bg); }
.device-avatar { width:42px; height:42px; background:rgba(99,102,241,.08); border-radius:var(--radius); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.device-avatar svg { width:22px; height:22px; color:var(--primary); }
.device-info { flex:1; }
.device-name { font-size:14px; font-weight:600; }
.device-sim { font-size:12px; color:var(--text-muted); margin-top:2px; }
.device-meta { display:flex; flex-direction:column; align-items:flex-end; gap:4px; }
.d-status { font-size:11px; font-weight:600; padding:2px 8px; border-radius:99px; }
.d-status.online { background:rgba(16,185,129,.1); color:var(--success); }
.d-count { font-size:12px; color:var(--text-muted); font-weight:500; }

/* ── TABLE ────────────────────────────────────────────────── */
.table-wrap { overflow-x:auto; }
.data-table { width:100%; border-collapse:collapse; }
.data-table th { background:var(--bg); padding:11px 20px; font-size:12px; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; text-align:left; border-bottom:1px solid var(--border); white-space:nowrap; }
.data-table td { padding:13px 20px; font-size:14px; border-bottom:1px solid rgba(229,231,240,.5); vertical-align:middle; }
.data-table tr:last-child td { border-bottom:none; }
.data-table tr:hover td { background:rgba(99,102,241,.02); }
.msg-cell { max-width:240px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; color:var(--text-muted); }
.msg-cell strong { color:var(--text); }
.time-cell { color:var(--text-light); font-size:13px; font-variant-numeric:tabular-nums; white-space:nowrap; }
.dev-chip { background:var(--bg); border:1px solid var(--border); border-radius:6px; padding:3px 8px; font-size:12px; font-weight:500; white-space:nowrap; }
.status-chip { padding:4px 10px; border-radius:99px; font-size:12px; font-weight:600; white-space:nowrap; }
.status-chip.delivered { background:rgba(16,185,129,.1); color:var(--success); }
.status-chip.failed    { background:rgba(239,68,68,.1); color:var(--danger); }
.status-chip.pending   { background:rgba(245,158,11,.1); color:var(--warning); }

/* ── SEND PAGE ────────────────────────────────────────────── */
.send-grid { display:grid; grid-template-columns:1.2fr 1fr; gap:20px; }
.send-form { padding:22px; }
.form-group { display:flex; flex-direction:column; gap:7px; margin-bottom:18px; }
.form-group label { font-size:13.5px; font-weight:600; }
.form-group input, .form-group select, .form-group textarea { padding:11px 14px; border:1.5px solid var(--border); border-radius:var(--radius); font-size:14px; font-family:inherit; color:var(--text); outline:none; transition:var(--transition); background:#fff; resize:vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(99,102,241,.1); }
.char-count { font-size:12px; color:var(--text-muted); text-align:right; }
.radio-group { display:flex; gap:20px; }
.radio-label { display:flex; align-items:center; gap:6px; font-size:14px; cursor:pointer; }

.phone-preview { padding:24px; display:flex; justify-content:center; }
.pp-frame { width:220px; background:#1e1e2e; border-radius:28px; padding:12px; box-shadow:0 10px 40px rgba(0,0,0,.3); }
.pp-screen { background:#0f172a; border-radius:20px; padding:16px; min-height:180px; }
.pp-header { display:flex; align-items:center; gap:8px; margin-bottom:16px; font-size:12px; color:rgba(255,255,255,.6); }
.pp-header svg { flex-shrink:0; }
.pp-bubble { background:linear-gradient(135deg,#6366f1,#8b5cf6); color:#fff; border-radius:14px 14px 4px 14px; padding:10px 12px; font-size:12.5px; line-height:1.5; }
.pp-time { font-size:10px; color:rgba(255,255,255,.4); text-align:right; margin-top:6px; }

.send-tips { padding:0 22px 22px; }
.send-tips h4 { font-size:13px; font-weight:700; color:var(--text-muted); margin-bottom:10px; }
.send-tips ul { list-style:none; display:flex; flex-direction:column; gap:8px; }
.send-tips li { font-size:13px; color:var(--text-muted); padding-left:14px; position:relative; line-height:1.5; }
.send-tips li::before { content:'•'; position:absolute; left:0; color:var(--primary); }
.send-tips code { background:rgba(99,102,241,.08); color:var(--primary); padding:1px 6px; border-radius:4px; font-size:12px; }

/* ── API KEYS PAGE ────────────────────────────────────────── */
.api-keys-list { padding:16px; display:flex; flex-direction:column; gap:12px; }
.api-key-item { display:flex; align-items:center; gap:14px; background:var(--bg); border:1px solid var(--border); border-radius:var(--radius); padding:16px; transition:var(--transition); }
.api-key-item:hover { border-color:rgba(99,102,241,.2); }
.key-icon { font-size:24px; flex-shrink:0; }
.key-info { flex:1; min-width:0; }
.key-name { font-size:14px; font-weight:700; margin-bottom:4px; }
.key-val { font-size:12px; color:var(--text-muted); font-family:monospace; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.key-meta { display:flex; flex-direction:column; gap:4px; text-align:right; flex-shrink:0; }
.key-date, .key-usage { font-size:12px; color:var(--text-muted); }
.key-actions { display:flex; gap:8px; flex-shrink:0; }
.key-btn { padding:7px 14px; border-radius:8px; font-size:13px; font-weight:600; border:1.5px solid var(--border); color:var(--text); transition:var(--transition); }
.key-btn:hover { background:var(--primary); color:#fff; border-color:var(--primary); }
.key-btn.danger:hover { background:var(--danger); border-color:var(--danger); }

.api-test { padding:20px; }
.test-endpoint { display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.method-badge { background:linear-gradient(135deg,var(--primary),var(--secondary)); color:#fff; padding:4px 10px; border-radius:6px; font-size:12px; font-weight:700; flex-shrink:0; }
.test-endpoint code { font-size:13.5px; color:var(--text); background:var(--bg); padding:8px 14px; border-radius:8px; border:1px solid var(--border); flex:1; font-family:monospace; }
.test-code { background:var(--sidebar-bg); color:#c3e88d; padding:16px; border-radius:var(--radius); font-size:13px; font-family:monospace; line-height:1.7; margin-bottom:16px; overflow-x:auto; }
.test-response { margin-top:16px; padding:14px; border-radius:var(--radius); font-size:13px; font-family:monospace; line-height:1.7; white-space:pre; }
.test-response.pending { background:rgba(245,158,11,.1); border:1px solid rgba(245,158,11,.2); color:var(--warning); }
.test-response.success { background:rgba(16,185,129,.08); border:1px solid rgba(16,185,129,.2); color:var(--success); }

/* ── TOAST ────────────────────────────────────────────────── */
.toast { position:fixed; bottom:24px; right:24px; z-index:9999; background:var(--text); color:#fff; padding:12px 18px; border-radius:var(--radius); font-size:14px; font-weight:500; box-shadow:0 8px 30px rgba(0,0,0,.2); transform:translateY(80px); opacity:0; transition:0.3s cubic-bezier(.4,0,.2,1); pointer-events:none; }
.toast.show { transform:translateY(0); opacity:1; }
.toast.success { background:var(--success); }
.toast.error   { background:var(--danger); }

/* ── OVERLAY ──────────────────────────────────────────────── */
.sidebar-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:150; backdrop-filter:blur(4px); }
.sidebar-overlay.show { display:block; }

/* ── SPIN ANIMATION ───────────────────────────────────────── */
@keyframes spin { to { transform:rotate(360deg); } }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 900px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); box-shadow:4px 0 40px rgba(0,0,0,.4); }
  .main-content { margin-left:0; }
  .topbar-burger { display:flex; }
  .dashboard-grid { grid-template-columns:1fr; }
  .send-grid { grid-template-columns:1fr; }
  .preview-card { display:none; }
}
@media (max-width: 600px) {
  .stats-grid { grid-template-columns:1fr 1fr; }
  .page { padding:16px; }
  .topbar { padding:0 16px; }
  .page-header { flex-direction:column; align-items:flex-start; }
  .key-meta { display:none; }
  .data-table th:nth-child(3), .data-table td:nth-child(3) { display:none; }
}