/* ============================================
   ZunKaung Investment Platform
   Light + Dark Theme | FontAwesome Icons Only
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ===== LIGHT THEME (default) ===== */
:root {
  --primary:       #2563eb;
  --primary-dark:  #1d4ed8;
  --primary-light: #3b82f6;
  --primary-pale:  #eff6ff;
  --accent:        #0ea5e9;
  --success:       #16a34a;
  --success-pale:  #f0fdf4;
  --warning:       #d97706;
  --warning-pale:  #fffbeb;
  --danger:        #dc2626;
  --danger-pale:   #fef2f2;
  --purple:        #7c3aed;
  --purple-pale:   #f5f3ff;

  /* Layout */
  --bg:            #f1f5f9;
  --bg-page:       #f8fafc;
  --surface:       #ffffff;
  --surface2:      #f8fafc;
  --surface3:      #f1f5f9;
  --border:        #e2e8f0;
  --border-strong: #cbd5e1;
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  --shadow:        0 4px 16px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.04);
  --shadow-lg:     0 12px 40px rgba(0,0,0,0.12), 0 4px 16px rgba(0,0,0,0.06);

  /* Text */
  --text:          #0f172a;
  --text-2:        #1e293b;
  --text-muted:    #64748b;
  --text-dim:      #94a3b8;

  /* Sidebar */
  --sidebar-bg:    #ffffff;
  --sidebar-w:     256px;

  /* Card */
  --card-bg:       #ffffff;
  --card-border:   #e2e8f0;

  /* Input */
  --input-bg:      #ffffff;
  --input-border:  #cbd5e1;
  --input-focus:   #2563eb;

  --radius:    12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: all 0.2s ease;
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --bg:            #0a0f1e;
  --bg-page:       #0d1526;
  --surface:       #111827;
  --surface2:      #1a2235;
  --surface3:      #1e2d47;
  --border:        #1e3a5f;
  --border-strong: #2d4d7a;
  --shadow-sm:     0 1px 3px rgba(0,0,0,0.4);
  --shadow:        0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg:     0 12px 40px rgba(0,0,0,0.6);

  --text:          #f0f6ff;
  --text-2:        #e2eaff;
  --text-muted:    #7b97c4;
  --text-dim:      #4a6080;

  --sidebar-bg:    #0d1526;
  --card-bg:       #111827;
  --card-border:   #1e3a5f;
  --input-bg:      #1a2235;
  --input-border:  #2d4d7a;

  --primary-pale:  rgba(37,99,235,0.15);
  --success-pale:  rgba(22,163,74,0.12);
  --warning-pale:  rgba(217,119,6,0.12);
  --danger-pale:   rgba(220,38,38,0.12);
  --purple-pale:   rgba(124,58,237,0.12);
}

/* ===== RESET ===== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-page);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
}

/* ===== LAYOUT ===== */
.app-layout { display:flex; min-height:100vh; }
.main-content { margin-left:var(--sidebar-w); flex:1; display:flex; flex-direction:column; min-height:100vh; }
.page-body { padding:24px; flex:1; max-width:1400px; width:100%; }

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  position: fixed;
  top:0; left:0;
  height:100vh;
  display:flex; flex-direction:column;
  z-index:100;
  overflow-y:auto;
  box-shadow: var(--shadow-sm);
  transition: background 0.3s, border-color 0.3s;
}

.sidebar-logo {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
  display:flex; align-items:center; gap:10px;
}
.logo-icon {
  width: 36px; height:36px;
  background: linear-gradient(135deg, #2563eb, #0ea5e9);
  border-radius: 10px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:16px;
  box-shadow: 0 4px 12px rgba(37,99,235,0.3);
  flex-shrink:0;
}
.logo-text { font-size:17px; font-weight:800; color:var(--text); letter-spacing:-0.3px; }
.logo-sub  { font-size:10px; color:var(--text-muted); font-weight:500; letter-spacing:0.5px; }

.sidebar-nav { flex:1; padding:12px 10px; }
.nav-section-title {
  font-size:10px; font-weight:700; color:var(--text-dim);
  letter-spacing:1px; text-transform:uppercase;
  padding:14px 8px 6px; margin-top:4px;
}

.nav-item {
  display:flex; align-items:center; gap:10px;
  padding:9px 10px; border-radius:var(--radius-sm);
  text-decoration:none; color:var(--text-muted);
  font-size:13px; font-weight:500;
  transition:var(--transition);
  margin-bottom:1px; position:relative;
  cursor:pointer;
}
.nav-item:hover { background:var(--surface3); color:var(--text); }
.nav-item.active { background:var(--primary-pale); color:var(--primary); font-weight:600; }
.nav-item.active::before {
  content:''; position:absolute; left:0; top:50%;
  transform:translateY(-50%);
  width:3px; height:18px;
  background:var(--primary); border-radius:0 3px 3px 0;
}

.nav-icon {
  width:32px; height:32px;
  display:flex; align-items:center; justify-content:center;
  border-radius:var(--radius-sm);
  font-size:14px; flex-shrink:0;
  color:var(--text-muted);
  transition:var(--transition);
}
.nav-item:hover .nav-icon { color:var(--primary); background:var(--primary-pale); }
.nav-item.active .nav-icon { color:var(--primary); background:var(--primary-pale); }
.nav-item.danger .nav-icon { color:var(--danger); }
.nav-item.danger:hover { background:var(--danger-pale); color:var(--danger); }
.nav-item.danger:hover .nav-icon { background:var(--danger-pale); }

.sidebar-bottom {
  padding:12px 10px;
  border-top:1px solid var(--border);
}
.sidebar-user {
  display:flex; align-items:center; gap:10px;
  padding:10px; border-radius:var(--radius-sm);
  transition:var(--transition); cursor:pointer;
}
.sidebar-user:hover { background:var(--surface3); }
.user-avatar {
  width:36px; height:36px; border-radius:50%;
  object-fit:cover;
  border:2px solid var(--border);
}
.user-name  { font-size:13px; font-weight:600; color:var(--text); }
.user-balance { font-size:11px; color:var(--primary); font-weight:600; }

/* ===== TOPBAR ===== */
.topbar {
  height:60px;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  padding:0 24px;
  display:flex; align-items:center; justify-content:space-between;
  position:sticky; top:0; z-index:50;
  box-shadow:var(--shadow-sm);
}
.topbar-left  { display:flex; align-items:center; gap:12px; }
.topbar-right { display:flex; align-items:center; gap:8px; }
.page-title   { font-size:17px; font-weight:700; color:var(--text); }

.topbar-btn {
  width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  background:var(--surface2); border:1px solid var(--border);
  border-radius:var(--radius-sm); color:var(--text-muted);
  cursor:pointer; font-size:15px; transition:var(--transition);
  text-decoration:none;
}
.topbar-btn:hover { background:var(--primary-pale); color:var(--primary); border-color:var(--primary-light); }

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  width:36px; height:36px;
  display:flex; align-items:center; justify-content:center;
  background:var(--surface2); border:1px solid var(--border);
  border-radius:var(--radius-sm); cursor:pointer; font-size:16px;
  transition:var(--transition); color:var(--text-muted);
}
.theme-toggle:hover { background:var(--primary-pale); color:var(--primary); }

/* ===== CARDS ===== */
.card {
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:20px;
  transition:var(--transition);
}
.card:hover { box-shadow:var(--shadow); }
.card-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.card-title  { font-size:15px; font-weight:700; color:var(--text); display:flex; align-items:center; gap:8px; }
.card-subtitle { font-size:12px; color:var(--text-muted); margin-top:3px; }

/* ===== STAT CARDS ===== */
.stat-card {
  background:var(--card-bg);
  border:1px solid var(--card-border);
  border-radius:var(--radius);
  padding:18px 20px;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  cursor:pointer;
}
.stat-card:hover { box-shadow:var(--shadow); transform:translateY(-2px); }
.stat-icon {
  width:44px; height:44px;
  border-radius:var(--radius-sm);
  display:flex; align-items:center; justify-content:center;
  font-size:18px; margin-bottom:12px;
}
.stat-value { font-size:22px; font-weight:800; color:var(--text); }
.stat-label { font-size:12px; color:var(--text-muted); margin-top:3px; font-weight:500; }
.stat-change { font-size:11px; font-weight:600; margin-top:6px; }
.stat-change.up { color:var(--success); }
.stat-change.down { color:var(--danger); }

/* ===== BALANCE CARDS ===== */
.balance-card {
  border-radius:var(--radius);
  padding:22px 24px;
  color:#fff; position:relative; overflow:hidden;
  box-shadow:var(--shadow);
}
.balance-card::after {
  content:''; position:absolute;
  bottom:-40px; right:-40px;
  width:140px; height:140px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
}
.balance-card.main     { background:linear-gradient(135deg,#1d4ed8,#2563eb,#3b82f6); }
.balance-card.referral { background:linear-gradient(135deg,#6d28d9,#7c3aed,#8b5cf6); }
.balance-amount { font-size:28px; font-weight:900; margin:10px 0 4px; }
.balance-label  { font-size:12px; opacity:0.85; font-weight:500; letter-spacing:0.3px; }
.balance-icon   { position:absolute; top:18px; right:22px; font-size:28px; opacity:0.25; }

/* ===== BUTTONS ===== */
.btn {
  display:inline-flex; align-items:center; gap:6px;
  padding:9px 18px; border-radius:var(--radius-sm);
  font-size:13px; font-weight:600; cursor:pointer;
  border:none; transition:var(--transition);
  text-decoration:none; font-family:inherit;
  white-space:nowrap; line-height:1;
}
.btn-primary {
  background:var(--primary); color:#fff;
  box-shadow:0 2px 8px rgba(37,99,235,0.3);
}
.btn-primary:hover { background:var(--primary-dark); box-shadow:0 4px 16px rgba(37,99,235,0.4); transform:translateY(-1px); }
.btn-success { background:var(--success); color:#fff; box-shadow:0 2px 8px rgba(22,163,74,0.3); }
.btn-success:hover { background:#15803d; transform:translateY(-1px); }
.btn-danger  { background:var(--danger);  color:#fff; box-shadow:0 2px 8px rgba(220,38,38,0.3); }
.btn-danger:hover  { background:#b91c1c;  transform:translateY(-1px); }
.btn-warning { background:var(--warning); color:#fff; }
.btn-outline {
  background:transparent; border:1px solid var(--primary);
  color:var(--primary);
}
.btn-outline:hover { background:var(--primary-pale); }
.btn-ghost {
  background:var(--surface2); color:var(--text-muted);
  border:1px solid var(--border);
}
.btn-ghost:hover { background:var(--surface3); color:var(--text); border-color:var(--border-strong); }
.btn-sm  { padding:6px 12px; font-size:12px; }
.btn-lg  { padding:12px 24px; font-size:15px; }
.btn-full { width:100%; justify-content:center; }
.btn:disabled { opacity:0.5; cursor:not-allowed; transform:none !important; }

/* ===== FORMS ===== */
.form-group { margin-bottom:16px; }
.form-label {
  display:block; font-size:12px; font-weight:600;
  color:var(--text-muted); margin-bottom:6px;
  text-transform:uppercase; letter-spacing:0.3px;
}
.form-control {
  width:100%; padding:10px 14px;
  background:var(--input-bg); border:1.5px solid var(--input-border);
  border-radius:var(--radius-sm); color:var(--text);
  font-size:13px; font-family:inherit; outline:none;
  transition:var(--transition);
}
.form-control:focus { border-color:var(--input-focus); box-shadow:0 0 0 3px rgba(37,99,235,0.1); }
.form-control::placeholder { color:var(--text-dim); }
.form-control:disabled { opacity:0.5; cursor:not-allowed; }
textarea.form-control { resize:vertical; min-height:80px; }
select.form-control { cursor:pointer; }

.input-group { position:relative; }
.input-group .form-control { padding-right:42px; }
.input-group.prefix .form-control { padding-left:32px; }
.input-icon   { position:absolute; right:12px; top:50%; transform:translateY(-50%); color:var(--text-dim); font-size:14px; }
.input-prefix { position:absolute; left:12px;  top:50%; transform:translateY(-50%); color:var(--primary); font-weight:700; font-size:13px; }

/* ===== TABLES ===== */
.table-wrap { overflow-x:auto; border-radius:var(--radius); border:1px solid var(--border); }
table { width:100%; border-collapse:collapse; }
thead { background:var(--surface2); }
th {
  padding:11px 14px; font-size:11px; font-weight:700;
  color:var(--text-muted); text-transform:uppercase; letter-spacing:0.6px;
  text-align:left; border-bottom:1px solid var(--border); white-space:nowrap;
}
td { padding:12px 14px; font-size:13px; color:var(--text); border-bottom:1px solid var(--surface3); vertical-align:middle; }
tbody tr:hover { background:var(--surface2); }
tbody tr:last-child td { border-bottom:none; }

/* ===== BADGES ===== */
.badge {
  display:inline-flex; align-items:center; gap:4px;
  padding:3px 9px; border-radius:999px;
  font-size:11px; font-weight:600; letter-spacing:0.2px;
}
.badge-success { background:var(--success-pale); color:var(--success); }
.badge-danger  { background:var(--danger-pale);  color:var(--danger);  }
.badge-warning { background:var(--warning-pale); color:var(--warning); }
.badge-info    { background:var(--primary-pale); color:var(--primary); }
.badge-purple  { background:var(--purple-pale);  color:var(--purple);  }

/* ===== ALERTS ===== */
.alert {
  padding:12px 16px; border-radius:var(--radius-sm);
  font-size:13px; font-weight:500;
  display:flex; align-items:flex-start; gap:10px; margin-bottom:14px;
}
.alert-success { background:var(--success-pale); color:var(--success); border:1px solid #bbf7d0; }
.alert-danger  { background:var(--danger-pale);  color:var(--danger);  border:1px solid #fecaca; }
.alert-info    { background:var(--primary-pale); color:var(--primary); border:1px solid #bfdbfe; }
.alert-warning { background:var(--warning-pale); color:var(--warning); border:1px solid #fde68a; }

/* ===== PROGRESS ===== */
.progress { height:6px; background:var(--surface3); border-radius:999px; overflow:hidden; }
.progress-bar { height:100%; background:linear-gradient(90deg,var(--primary),var(--accent)); border-radius:999px; transition:width 1s ease; }

/* ===== MODAL ===== */
.modal-overlay {
  position:fixed; inset:0;
  background:rgba(0,0,0,0.4);  
  z-index:1000; display:flex; align-items:center; justify-content:center;
  padding:20px; opacity:0; visibility:hidden; transition:all 0.25s ease;
}
.modal-overlay.active { opacity:1; visibility:visible; }
.modal {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-lg); width:100%; max-width:520px;
  max-height:92vh; overflow-y:auto; padding:24px;
  transform:translateY(16px) scale(0.98);
  transition:all 0.25s ease; box-shadow:var(--shadow-lg);
}
.modal-overlay.active .modal { transform:translateY(0) scale(1); }
.modal-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.modal-title  { font-size:18px; font-weight:700; color:var(--text); }
.modal-close  {
  width:32px; height:32px; display:flex; align-items:center; justify-content:center;
  background:var(--surface2); border:1px solid var(--border); border-radius:var(--radius-sm);
  cursor:pointer; color:var(--text-muted); font-size:18px; transition:var(--transition);
}
.modal-close:hover { background:var(--danger-pale); color:var(--danger); border-color:#fecaca; }

/* ===== GRIDS ===== */
.grid    { display:grid; }
.grid-2  { grid-template-columns:repeat(2,1fr); gap:16px; }
.grid-3  { grid-template-columns:repeat(3,1fr); gap:16px; }
.grid-4  { grid-template-columns:repeat(4,1fr); gap:16px; }

/* ===== PLAN CARDS ===== */
.plan-card {
  background:var(--card-bg); border:1.5px solid var(--card-border);
  border-radius:var(--radius); padding:22px;
  transition:var(--transition); cursor:pointer; position:relative; overflow:hidden;
}
.plan-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent)); opacity:0; transition:opacity 0.3s;
}
.plan-card:hover { border-color:var(--primary-light); box-shadow:var(--shadow); transform:translateY(-4px); }
.plan-card:hover::before { opacity:1; }
.plan-img { width:56px; height:56px; border-radius:12px; object-fit:cover; margin-bottom:14px; }
.plan-name   { font-size:17px; font-weight:800; color:var(--text); margin-bottom:4px; }
.plan-profit { font-size:30px; font-weight:900; color:var(--primary); line-height:1; }
.plan-profit-label { font-size:12px; color:var(--text-muted); margin-top:3px; }
.plan-divider { height:1px; background:var(--border); margin:14px 0; }
.plan-detail { display:flex; justify-content:space-between; font-size:12px; margin-bottom:6px; }
.plan-detail-label { color:var(--text-muted); }
.plan-detail-value { color:var(--text); font-weight:600; }

/* ===== OTP INPUTS ===== */
.otp-inputs { display:flex; gap:8px; justify-content:center; }
.otp-input {
  width:48px; height:56px; text-align:center;
  font-size:22px; font-weight:800;
  background:var(--input-bg); border:1.5px solid var(--input-border);
  border-radius:var(--radius-sm); color:var(--text); outline:none; transition:var(--transition);
}
.otp-input:focus { border-color:var(--primary); box-shadow:0 0 0 3px rgba(37,99,235,0.1); }

/* ===== AUTH ===== */
.auth-page {
  min-height:100vh; display:flex; align-items:center;
  justify-content:center; padding:20px;
  background:linear-gradient(135deg,#eff6ff 0%,#f8fafc 50%,#f0f9ff 100%);
  position:relative; overflow:hidden;
}
[data-theme="dark"] .auth-page {
  background:linear-gradient(135deg,#0a0f1e 0%,#0d1526 50%,#0a1628 100%);
}
.auth-page::before {
  content:''; position:absolute; top:-200px; left:-200px;
  width:600px; height:600px; border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,0.1),transparent);
  animation:authFloat1 10s ease-in-out infinite;
}
.auth-page::after {
  content:''; position:absolute; bottom:-150px; right:-150px;
  width:400px; height:400px; border-radius:50%;
  background:radial-gradient(circle,rgba(14,165,233,0.08),transparent);
  animation:authFloat2 12s ease-in-out infinite;
}
@keyframes authFloat1 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(30px,-30px)} }
@keyframes authFloat2 { 0%,100%{transform:translate(0,0)} 50%{transform:translate(-20px,20px)} }

.auth-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:20px; padding:40px 36px;
  width:100%; max-width:440px;
  box-shadow:var(--shadow-lg); position:relative; z-index:1;
}
.auth-logo-wrap { text-align:center; margin-bottom:32px; }
.auth-logo-icon {
  width:60px; height:60px; margin:0 auto 12px;
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:26px;
  box-shadow:0 8px 24px rgba(37,99,235,0.3);
}
.auth-logo-text { font-size:24px; font-weight:900; color:var(--text); letter-spacing:-0.5px; }
.auth-logo-sub  { font-size:12px; color:var(--text-muted); margin-top:4px; }
.auth-title    { font-size:20px; font-weight:800; color:var(--text); margin-bottom:6px; }
.auth-subtitle { font-size:13px; color:var(--text-muted); margin-bottom:24px; }

/* ===== VIRTUAL CARD ===== */
.vcard-wrap { perspective:1200px; width:100%; max-width:400px; margin:0 auto; }
.vcard {
  width:100%; aspect-ratio:1.586/1;
  border-radius:20px;
  background:linear-gradient(135deg,#1e3a8a,#1d4ed8,#1e40af);
  position:relative; overflow:hidden;
  box-shadow:0 24px 60px rgba(29,78,216,0.4), 0 0 0 1px rgba(255,255,255,0.1);
  transform-style:preserve-3d; transition:transform 0.5s ease;
  cursor:pointer; padding:24px 26px;
  display:flex; flex-direction:column; justify-content:space-between;
}
.vcard:hover { transform:rotateY(5deg) rotateX(2deg) scale(1.02); }
.vcard::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(105deg,transparent 25%,rgba(255,255,255,0.06) 35%,rgba(255,255,255,0.1) 40%,rgba(255,255,255,0.06) 45%,transparent 55%);
  animation:cardShine 4s ease-in-out infinite;
}
@keyframes cardShine { 0%{opacity:0;transform:translateX(-100%)} 40%,60%{opacity:1} 100%{opacity:0;transform:translateX(100%)} }
.vcard::after {
  content:''; position:absolute; bottom:-50px; right:-50px;
  width:200px; height:200px; border-radius:50%;
  background:rgba(255,255,255,0.04);
  box-shadow:0 0 0 40px rgba(255,255,255,0.025);
}
.vcard-top { display:flex; justify-content:space-between; align-items:flex-start; z-index:2; position:relative; }
.vcard-brand-name { font-size:16px; font-weight:900; color:rgba(255,255,255,0.9); letter-spacing:0.5px; }
.vcard-network { display:flex; gap:-8px; }
.vcard-circle { width:26px; height:26px; border-radius:50%; opacity:0.85; }
.vcard-chip {
  width:40px; height:30px;
  background:linear-gradient(135deg,#f0d060,#c8993a,#f0d060);
  border-radius:6px; margin-bottom:14px; z-index:2; position:relative;
}
.vcard-id {
  font-family:'Space Grotesk',monospace;
  font-size:20px; font-weight:700;
  color:rgba(255,255,255,0.9); letter-spacing:4px; z-index:2; position:relative;
}
.vcard-bottom { display:flex; justify-content:space-between; align-items:flex-end; z-index:2; position:relative; }
.vcard-lbl    { font-size:9px; color:rgba(255,255,255,0.5); letter-spacing:1px; text-transform:uppercase; margin-bottom:3px; }
.vcard-val    { font-size:14px; font-weight:700; color:#fff; text-transform:uppercase; }
.vcard-amount { font-size:18px; font-weight:900; color:#fff; text-align:right; }

/* ===== LOADING ===== */
.page-loader {
  position:fixed; inset:0;
  background:var(--bg-page);
  z-index:9999; display:flex; align-items:center; justify-content:center;
  flex-direction:column; gap:14px;
  transition:opacity 0.3s ease;
}
.page-loader.hide { opacity:0; pointer-events:none; display:none; }
.loader-ring {
  width:48px; height:48px; border-radius:50%;
  border:3px solid var(--border);
  border-top:3px solid var(--primary);
  animation:spin 0.8s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg)} }
.spinner {
  width:18px; height:18px; border-radius:50%;
  border:2px solid rgba(255,255,255,0.3); border-top:2px solid #fff;
  animation:spin 0.7s linear infinite; display:inline-block;
}

/* ===== TOAST ===== */
.toast-container {
  position:fixed; top:16px; right:16px;
  z-index:9999; display:flex; flex-direction:column; gap:8px; pointer-events:none;
}
.toast {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:12px 16px;
  font-size:13px; font-weight:500; color:var(--text);
  display:flex; align-items:center; gap:10px;
  min-width:260px; max-width:340px;
  pointer-events:all; box-shadow:var(--shadow-lg);
  animation:toastIn 0.3s ease;
}
.toast.success { border-left:3px solid var(--success); }
.toast.error   { border-left:3px solid var(--danger);  }
.toast.info    { border-left:3px solid var(--primary); }
.toast.warning { border-left:3px solid var(--warning); }
.toast-icon { font-size:16px; flex-shrink:0; }
@keyframes toastIn { from{transform:translateX(100px);opacity:0} to{transform:translateX(0);opacity:1} }

/* ===== BOTTOM NAV (mobile) ===== */
.bottom-nav {
  display:none; position:fixed; bottom:0; left:0; right:0;
  background:var(--surface); border-top:1px solid var(--border);
  z-index:100; padding:6px 0 max(6px,env(safe-area-inset-bottom));
  box-shadow:0 -4px 20px rgba(0,0,0,0.08);
}
.bottom-nav-items { display:flex; justify-content:space-around; }
.bottom-nav-item {
  display:flex; flex-direction:column; align-items:center; gap:3px;
  padding:6px 14px; text-decoration:none;
  color:var(--text-muted); font-size:10px; font-weight:600;
  transition:var(--transition); border-radius:var(--radius-sm);
}
.bottom-nav-item.active { color:var(--primary); }
.bnav-icon {
  width:34px; height:34px; display:flex; align-items:center; justify-content:center;
  border-radius:var(--radius-sm); font-size:16px; transition:var(--transition);
}
.bottom-nav-item.active .bnav-icon { background:var(--primary-pale); color:var(--primary); }

/* ===== SIGNATURE PAD ===== */
#sigPad, #signaturePad {
  border:1.5px solid var(--input-border); border-radius:var(--radius-sm);
  background:var(--input-bg); cursor:crosshair; width:100%; touch-action:none;
}
#sigPad:focus, #signaturePad:focus { border-color:var(--primary); }

/* ===== TOGGLE SWITCH ===== */
.toggle { position:relative; display:inline-flex; align-items:center; cursor:pointer; gap:10px; }
.toggle input { opacity:0; width:0; height:0; }
.toggle-slider {
  width:40px; height:22px; background:var(--border-strong);
  border-radius:11px; position:relative; transition:var(--transition);
}
.toggle-slider::after {
  content:''; position:absolute; width:16px; height:16px;
  background:#fff; border-radius:50%; top:3px; left:3px; transition:var(--transition);
}
.toggle input:checked + .toggle-slider { background:var(--primary); }
.toggle input:checked + .toggle-slider::after { transform:translateX(18px); }

/* ===== PAYMENT CARD DISPLAY ===== */
.payment-card-display {
  background:linear-gradient(135deg,#1e3a8a,#1d4ed8);
  border-radius:14px; padding:20px 24px; color:#fff;
  position:relative; overflow:hidden;
  box-shadow:0 12px 32px rgba(29,78,216,0.35);
}
.payment-card-display::before {
  content:''; position:absolute; bottom:-30px; right:-30px;
  width:120px; height:120px; border-radius:50%; background:rgba(255,255,255,0.06);
}

/* ===== UTILS ===== */
.d-flex     { display:flex; }
.align-center { align-items:center; }
.gap-1      { gap:8px; }
.gap-2      { gap:16px; }
.flex-1     { flex:1; }
.text-center{ text-align:center; }
.text-right { text-align:right; }
.fw-bold    { font-weight:700; }
.fw-900     { font-weight:900; }
.text-muted { color:var(--text-muted) !important; }
.text-success { color:var(--success) !important; }
.text-danger  { color:var(--danger)  !important; }
.text-primary { color:var(--primary) !important; }
.text-warning { color:var(--warning) !important; }
.mt-1{margin-top:8px} .mt-2{margin-top:16px} .mt-3{margin-top:24px}
.mb-1{margin-bottom:8px} .mb-2{margin-bottom:16px} .mb-3{margin-bottom:24px}
.divider { height:1px; background:var(--border); margin:16px 0; }
.empty-state { text-align:center; padding:40px 20px; color:var(--text-muted); }
.empty-state-icon { font-size:48px; opacity:0.25; margin-bottom:12px; color:var(--text-dim); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border-strong); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--primary-light); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp { from{opacity:0;transform:translateY(14px)} to{opacity:1;transform:translateY(0)} }
.animate-fadeInUp { animation:fadeInUp 0.4s ease forwards; }
.stagger > *:nth-child(1){animation-delay:0.04s}
.stagger > *:nth-child(2){animation-delay:0.08s}
.stagger > *:nth-child(3){animation-delay:0.12s}
.stagger > *:nth-child(4){animation-delay:0.16s}
.stagger > *:nth-child(5){animation-delay:0.20s}
.stagger > *:nth-child(6){animation-delay:0.24s}
.stagger > *:nth-child(7){animation-delay:0.28s}
.stagger > *:nth-child(8){animation-delay:0.32s}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px) {
  .grid-4 { grid-template-columns:repeat(2,1fr); }
}
@media (max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); box-shadow:var(--shadow-lg); }
  .main-content { margin-left:0; }
  .page-body { padding:16px 16px 80px; }
  .topbar { padding:0 14px; }
  .bottom-nav { display:block; }
  .grid-2,.grid-3,.grid-4 { grid-template-columns:1fr; }
  .auth-card { padding:28px 20px; }
}
@media (max-width:480px) {
  .modal { padding:20px; }
  .otp-input { width:42px; height:50px; font-size:20px; }
  .vcard-id { font-size:16px; }
}

/* ===== DARK BODY BG ===== */
[data-theme="dark"] body { background:var(--bg-page); }
[data-theme="dark"] .auth-page { background:linear-gradient(135deg,#060d1a 0%,#0a1220 50%,#060e1c 100%); }

#sidebarOverlay { opacity:0; transition:opacity 0.2s ease; pointer-events:none; }
#sidebarOverlay.active { opacity:1; pointer-events:all; }