/* =============================================================
   BUGEE BILLING APP — Complete Light Theme Stylesheet
   Purple + Pink Gradient | Light & Clean | Mobile-First
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* ---- CSS Design Tokens ---- */
:root {
  /* Bugee Brand Colors */
  --purple:        #7B2FFF;
  --purple-dark:   #5C1FCC;
  --purple-light:  rgba(123, 47, 255, 0.10);
  --purple-soft:   rgba(123, 47, 255, 0.06);
  --pink:          #FF2D6B;
  --pink-light:    rgba(255, 45, 107, 0.10);

  /* Gradient */
  --grad:          linear-gradient(135deg, #7B2FFF 0%, #C41FFF 50%, #FF2D6B 100%);
  --grad-soft:     linear-gradient(135deg, rgba(123,47,255,0.12) 0%, rgba(255,45,107,0.08) 100%);
  --grad-btn:      linear-gradient(135deg, #7B2FFF 0%, #FF2D6B 100%);

  /* Light Theme Backgrounds */
  --bg:       #F5F4FF;
  --bg-2:     #FFFFFF;
  --bg-3:     #F8F7FF;
  --bg-4:     #EEF0FF;

  /* Surfaces */
  --surface:       #FFFFFF;
  --surface-hover: #F5F4FF;
  --border:        #E8E6F0;
  --border-2:      #F0EEF8;

  /* Text */
  --text:   #1A1630;
  --text-2: #6B6589;
  --text-3: #A09CBD;
  --text-4: #C8C5D8;

  /* Status Colors */
  --success:       #16A34A;
  --success-light: rgba(22,163,74,0.10);
  --warning:       #D97706;
  --warning-light: rgba(217,119,6,0.10);
  --info:          #2563EB;
  --info-light:    rgba(37,99,235,0.10);
  --danger:        #DC2626;
  --danger-light:  rgba(220,38,38,0.10);

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-2xl:32px;

  /* Shadows */
  --shadow-sm:  0 1px 4px rgba(123,47,255,0.06);
  --shadow:     0 4px 20px rgba(123,47,255,0.10);
  --shadow-lg:  0 12px 48px rgba(123,47,255,0.14);
  --shadow-card:0 2px 12px rgba(0,0,0,0.06);
  --shadow-btn: 0 4px 20px rgba(123,47,255,0.35);

  /* Layout */
  --sidebar-w: 248px;
  --header-h:  64px;
  --bottom-h:  66px;

  /* Transitions */
  --ease:   cubic-bezier(0.4,0,0.2,1);
  --spring: cubic-bezier(0.34,1.56,0.64,1);
  --t:      all 0.22s var(--ease);
}

/* ================================================================
   RESET
   ================================================================ */
*,*::before,*::after { box-sizing: border-box; margin:0; padding:0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }
img { max-width: 100%; display: block; }
.hidden { display: none !important; }

/* ================================================================
   LOADING SCREEN
   ================================================================ */
#page-loading {
  position: fixed; inset: 0;
  background: #FFFFFF;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column; gap: 28px; z-index: 9999;
}
#page-loading::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(123,47,255,0.07) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(255,45,107,0.07) 0%, transparent 60%);
}
.loading-logo-wrap { position: relative; display: flex; justify-content: center; }
.loading-logo {
  width: 100px; height: 100px;
  object-fit: contain; border-radius: 22px;
  animation: logoPulse 2s ease-in-out infinite;
  position: relative; z-index: 1;
  box-shadow: var(--shadow-lg);
}
.loading-glow {
  position: absolute; inset: -20px;
  background: radial-gradient(circle, rgba(123,47,255,0.2) 0%, transparent 65%);
  border-radius: 50%;
  animation: glowPulse 2s ease-in-out infinite;
}
@keyframes logoPulse { 0%,100%{transform:scale(1);} 50%{transform:scale(1.06);} }
@keyframes glowPulse { 0%,100%{opacity:.4;transform:scale(.85);} 50%{opacity:1;transform:scale(1.1);} }
.loading-text { text-align: center; }
.loading-text h2 { font-size:1.5rem; font-weight:800; background:var(--grad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.loading-text p  { color:var(--text-2); font-size:0.8rem; margin-top:4px; }
.loading-dots { display:flex; gap:7px; justify-content:center; margin-top:18px; }
.loading-dot {
  width:9px; height:9px; border-radius:50%;
  background: var(--grad-btn); background-size:300%;
  animation: dotBounce 1.3s infinite;
}
.loading-dot:nth-child(2) { animation-delay:.2s; }
.loading-dot:nth-child(3) { animation-delay:.4s; }
@keyframes dotBounce { 0%,80%,100%{transform:scale(.6);opacity:.4;} 40%{transform:scale(1);opacity:1;} }

/* ================================================================
   FULLSCREEN AUTH PAGES
   ================================================================ */
.fs-page {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); overflow-y: auto; z-index: 100;
}
.fs-page::before {
  content: '';
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse at 15% 20%, rgba(123,47,255,0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 80%, rgba(255,45,107,0.07) 0%, transparent 55%);
  pointer-events: none;
}

/* ================================================================
   AUTH CARD
   ================================================================ */
.auth-wrap {
  width:100%; max-width:440px; padding:20px;
  position:relative; z-index:1;
}
.auth-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  box-shadow: var(--shadow-lg);
}
.auth-logo-wrap { text-align:center; margin-bottom:24px; }
.auth-logo { height:48px; width:auto; object-fit:contain; display:inline-block; }
.auth-title { font-size:1.45rem; font-weight:800; text-align:center; margin-bottom:4px; }
.auth-subtitle { text-align:center; color:var(--text-2); font-size:0.875rem; margin-bottom:28px; }
.auth-footer-text {
  margin-top:24px; padding-top:18px;
  border-top:1px solid var(--border);
  text-align:center; font-size:0.78rem; color:var(--text-3);
}
.auth-footer-text strong { background:var(--grad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }

/* Phone Input */
.phone-row { display:flex; align-items:stretch; }
.phone-prefix {
  background: var(--bg-3); border: 1.5px solid var(--border);
  border-right:none; border-radius: var(--radius) 0 0 var(--radius);
  padding: 0 14px; color: var(--text-2); font-weight:600; font-size:.9375rem;
  display:flex; align-items:center; white-space:nowrap; user-select:none;
}
.phone-field {
  flex:1; background:#fff; border:1.5px solid var(--border);
  border-left:none; border-radius:0 var(--radius) var(--radius) 0;
  padding:13px 16px; color:var(--text); font-size:1.0625rem; font-weight:600;
  outline:none; transition:var(--t); letter-spacing:.04em;
}
.phone-field:focus { border-color:var(--purple); box-shadow:3px 0 0 var(--purple-light),0 3px 0 var(--purple-light),0 -3px 0 var(--purple-light); }

/* OTP Digits */
.otp-row { display:flex; gap:10px; justify-content:center; margin:20px 0 8px; }
.otp-digit {
  width:52px; height:60px; border:2px solid var(--border);
  border-radius:var(--radius); background:#fff;
  color:var(--text); font-size:1.5rem; font-weight:800;
  text-align:center; outline:none; transition:var(--t);
  -moz-appearance:textfield;
}
.otp-digit::-webkit-inner-spin-button,
.otp-digit::-webkit-outer-spin-button { -webkit-appearance:none; }
.otp-digit:focus { border-color:var(--purple); background:var(--purple-soft); box-shadow:0 0 0 3px var(--purple-light); }
.otp-digit.filled { border-color:var(--purple); background:var(--purple-soft); }

.otp-info { text-align:center; color:var(--text-2); font-size:.85rem; margin-bottom:4px; }
.otp-info strong { color:var(--text); font-weight:700; }
.otp-timer-row { display:flex; align-items:center; justify-content:center; gap:8px; margin-top:14px; font-size:.8375rem; color:var(--text-2); }
.timer-count { color:var(--purple); font-weight:700; font-variant-numeric:tabular-nums; }
.resend-link { background:none; border:none; font-size:.8375rem; font-weight:700; cursor:pointer; text-decoration:underline; background:var(--grad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.resend-link:disabled { background:none; -webkit-text-fill-color:var(--text-3); cursor:not-allowed; text-decoration:none; }

.back-link {
  display:inline-flex; align-items:center; gap:7px;
  background:none; border:none; color:var(--text-2);
  font-size:.875rem; cursor:pointer; margin-bottom:18px; transition:var(--t);
}
.back-link:hover { color:var(--purple); }

/* Google Sign-In Button */
.google-btn {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%; padding: 13px 20px;
  background: #fff; border: 1.5px solid var(--border);
  border-radius: var(--radius); cursor: pointer;
  font-size: .9375rem; font-weight: 600; color: var(--text);
  transition: var(--t); box-shadow: var(--shadow-sm);
}
.google-btn:hover { background: var(--bg-3); border-color: #ccc; box-shadow: var(--shadow); transform: translateY(-1px); }
.google-btn img { width:22px; height:22px; }

.auth-divider {
  display: flex; align-items: center; gap: 12px;
  margin: 20px 0; color: var(--text-3); font-size: .8125rem;
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; border-top: 1px solid var(--border);
}

/* ================================================================
   SETUP PAGE
   ================================================================ */
.step-dots { display:flex; gap:8px; justify-content:center; margin-bottom:28px; }
.step-dot { height:7px; border-radius:4px; background:var(--border); transition:var(--t); width:7px; }
.step-dot.active { width:24px; background:var(--purple); }
.step-dot.done { background:var(--success); }

/* ================================================================
   FORMS
   ================================================================ */
.form-group { margin-bottom:18px; }
.form-label {
  display:block; font-size:.78rem; font-weight:700;
  color:var(--text-2); margin-bottom:7px;
  text-transform:uppercase; letter-spacing:.07em;
}
.form-input, .form-select, .form-textarea {
  width:100%; background:#fff; border:1.5px solid var(--border);
  border-radius:var(--radius); padding:12px 15px;
  color:var(--text); font-size:.9375rem; outline:none; transition:var(--t);
}
.form-input::placeholder, .form-textarea::placeholder { color:var(--text-4); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color:var(--purple); background:#FDFCFF;
  box-shadow:0 0 0 3px var(--purple-light);
}
.form-textarea { resize:vertical; min-height:80px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-row-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:12px; }
.form-hint { margin-top:5px; font-size:.76rem; color:var(--text-3); }
.form-select {
  appearance:none; cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23A09CBD' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 13px center; padding-right:40px;
}
.form-select option { background:#fff; color:var(--text); }

/* Toggle */
.toggle-row {
  display:flex; align-items:center; gap:12px; padding:13px 15px;
  background:var(--bg-3); border:1.5px solid var(--border);
  border-radius:var(--radius); cursor:pointer;
}
.toggle-label { font-size:.875rem; font-weight:600; flex:1; }
.toggle-sub { font-size:.76rem; color:var(--text-2); }
.toggle-sw { position:relative; width:44px; height:24px; flex-shrink:0; }
.toggle-sw input { opacity:0; width:0; height:0; position:absolute; }
.toggle-track {
  position:absolute; inset:0; background:var(--border);
  border-radius:12px; transition:var(--t); cursor:pointer;
}
.toggle-track::after {
  content:''; position:absolute; width:18px; height:18px;
  border-radius:50%; background:#fff; top:3px; left:3px; transition:var(--t);
  box-shadow:0 1px 3px rgba(0,0,0,0.2);
}
.toggle-sw input:checked ~ .toggle-track { background:var(--grad-btn); }
.toggle-sw input:checked ~ .toggle-track::after { transform:translateX(20px); }

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px; padding:12px 22px; border-radius:var(--radius);
  font-size:.9375rem; font-weight:700; border:none; cursor:pointer;
  transition:var(--t); white-space:nowrap; position:relative; overflow:hidden;
}
.btn:active { transform:scale(.98); }
.btn:disabled { opacity:.45; cursor:not-allowed; pointer-events:none; }

.btn-primary {
  background: var(--grad-btn); color:#fff;
  box-shadow: var(--shadow-btn);
}
.btn-primary:hover { box-shadow:0 6px 28px rgba(123,47,255,0.45); transform:translateY(-1px); }

.btn-ghost {
  background:#fff; color:var(--text-2);
  border:1.5px solid var(--border);
}
.btn-ghost:hover { background:var(--bg-3); color:var(--purple); border-color:var(--purple-light); }

.btn-success { background:var(--success); color:#fff; }
.btn-danger  { background:var(--danger); color:#fff; }

.btn-sm  { padding:8px 14px; font-size:.8125rem; border-radius:var(--radius-sm); }
.btn-lg  { padding:15px 32px; font-size:1rem; border-radius:var(--radius-lg); }
.btn-full{ width:100%; }

.spinner { width:18px; height:18px; border:2.5px solid rgba(255,255,255,.4); border-top-color:#fff; border-radius:50%; animation:spin .75s linear infinite; }
@keyframes spin { to{transform:rotate(360deg);} }
.btn-spinner { display:none; }
.is-loading .btn-text { display:none; }
.is-loading .btn-spinner { display:flex; }

.icon-btn {
  width:38px; height:38px; border-radius:var(--radius-sm);
  background:#fff; border:1.5px solid var(--border); color:var(--text-2);
  display:inline-flex; align-items:center; justify-content:center;
  cursor:pointer; transition:var(--t);
}
.icon-btn:hover { background:var(--bg-3); color:var(--purple); border-color:var(--purple-light); }

/* ================================================================
   MAIN APP LAYOUT
   ================================================================ */
#app-main { display:flex; min-height:100vh; }

/* Sidebar */
#sidebar {
  position:fixed; left:0; top:0; bottom:0; width:var(--sidebar-w);
  background:#fff; border-right:1px solid var(--border);
  display:flex; flex-direction:column; z-index:50;
  box-shadow:var(--shadow-sm);
}
.sidebar-logo {
  padding:18px 20px 16px; border-bottom:1px solid var(--border);
  display:flex; align-items:center; gap:10px;
}
.sidebar-logo img { height:32px; object-fit:contain; }
.sidebar-nav { flex:1; padding:14px 10px; overflow-y:auto; }
.nav-section-title { font-size:.68rem; font-weight:700; color:var(--text-3); text-transform:uppercase; letter-spacing:.12em; padding:8px 10px 6px; }
.nav-item {
  display:flex; align-items:center; gap:11px; padding:10px 12px;
  border-radius:var(--radius); cursor:pointer; color:var(--text-2);
  font-size:.875rem; font-weight:600; transition:var(--t); margin-bottom:3px;
  background:none; border:none; width:100%; text-align:left;
}
.nav-item:hover { background:var(--purple-soft); color:var(--purple); }
.nav-item.active { background:var(--purple-light); color:var(--purple); }
.nav-item svg { width:17px; height:17px; flex-shrink:0; }
.sidebar-bottom { padding:14px 10px; border-top:1px solid var(--border); }

/* Main Content */
#main-content { flex:1; margin-left:var(--sidebar-w); min-height:100vh; display:flex; flex-direction:column; background:var(--bg); }

/* App Header */
#app-header {
  position:sticky; top:0; z-index:40; height:var(--header-h);
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; padding:0 24px; gap:14px;
  box-shadow:var(--shadow-sm);
}
.header-title { font-size:1.0625rem; font-weight:800; flex:1; background:var(--grad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.header-actions { display:flex; align-items:center; gap:8px; }
.user-avatar {
  width:36px; height:36px; border-radius:50%;
  background:var(--grad-btn); display:flex; align-items:center; justify-content:center;
  font-size:.8rem; font-weight:800; color:#fff; cursor:pointer;
  box-shadow:0 2px 10px rgba(123,47,255,0.3);
}

/* App Pages */
.app-page {
  padding:26px 24px; max-width:1100px; width:100%;
  animation:fadeUp .35s var(--ease);
}
@keyframes fadeUp { from{opacity:0;transform:translateY(14px);} to{opacity:1;transform:translateY(0);} }

/* ================================================================
   PAGE HEADER
   ================================================================ */
.page-hd { display:flex; align-items:flex-start; justify-content:space-between; gap:14px; margin-bottom:24px; flex-wrap:wrap; }
.page-title { font-size:1.5rem; font-weight:800; }
.page-sub { color:var(--text-2); font-size:.875rem; margin-top:2px; }
.page-hd-actions { display:flex; gap:10px; flex-wrap:wrap; }

/* Toolbar */
.toolbar { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-bottom:20px; }
.search-box {
  display:flex; align-items:center; gap:9px;
  background:#fff; border:1.5px solid var(--border);
  border-radius:var(--radius); padding:9px 14px;
  flex:1; min-width:220px; max-width:380px;
  box-shadow:var(--shadow-sm); transition:var(--t);
}
.search-box:focus-within { border-color:var(--purple); box-shadow:0 0 0 3px var(--purple-light); }
.search-box svg { color:var(--text-3); flex-shrink:0; }
.search-box input { background:none; border:none; outline:none; color:var(--text); font-size:.875rem; flex:1; }
.search-box input::placeholder { color:var(--text-3); }

.filter-tabs { display:flex; gap:4px; }
.filter-tab {
  padding:8px 14px; border-radius:var(--radius-sm); font-size:.8125rem; font-weight:600;
  background:#fff; border:1.5px solid var(--border); color:var(--text-2); cursor:pointer; transition:var(--t);
}
.filter-tab:hover { background:var(--purple-soft); color:var(--purple); }
.filter-tab.active { background:var(--purple-light); color:var(--purple); border-color:rgba(123,47,255,.3); }

/* ================================================================
   STAT CARDS
   ================================================================ */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-bottom:24px; }
.stat-card {
  background:#fff; border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:20px; transition:var(--t);
  box-shadow:var(--shadow-card);
}
.stat-card:hover { transform:translateY(-2px); box-shadow:var(--shadow); }
.stat-icon { width:42px; height:42px; border-radius:var(--radius); display:flex; align-items:center; justify-content:center; margin-bottom:14px; }
.stat-icon.grad  { background:var(--grad-soft); color:var(--purple); }
.stat-icon.green { background:var(--success-light); color:var(--success); }
.stat-icon.amber { background:var(--warning-light); color:var(--warning); }
.stat-icon.blue  { background:var(--info-light);    color:var(--info); }
.stat-icon svg   { width:20px; height:20px; }
.stat-val { font-size:1.5rem; font-weight:800; color:var(--text); }
.stat-lbl { font-size:.8rem; color:var(--text-2); font-weight:500; margin-top:2px; }

/* Quick Actions */
.quick-actions { display:flex; gap:10px; margin-bottom:24px; flex-wrap:wrap; }

/* ================================================================
   DATA CARD
   ================================================================ */
.data-card {
  background:#fff; border:1px solid var(--border);
  border-radius:var(--radius-lg); overflow:hidden; margin-bottom:20px;
  box-shadow:var(--shadow-card);
}
.data-card-header {
  padding:15px 20px; border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  background:var(--bg-3);
}
.data-card-title { font-size:.9375rem; font-weight:800; }

/* Data Table */
.data-table { width:100%; border-collapse:collapse; }
.data-table th {
  padding:11px 18px; text-align:left; font-size:.72rem;
  font-weight:700; color:var(--text-2); text-transform:uppercase;
  letter-spacing:.09em; border-bottom:1px solid var(--border);
  background:var(--bg-3); white-space:nowrap;
}
.data-table td { padding:13px 18px; font-size:.875rem; border-bottom:1px solid var(--border-2); vertical-align:middle; }
.data-table tr:last-child td { border-bottom:none; }
.data-table tbody tr { cursor:pointer; transition:var(--t); }
.data-table tbody tr:hover td { background:var(--purple-soft); }

/* Badges */
.badge { display:inline-flex; align-items:center; gap:5px; padding:4px 10px; border-radius:20px; font-size:.72rem; font-weight:700; }
.badge-dot { width:6px; height:6px; border-radius:50%; }
.badge-draft   { background:#F3F3F3; color:#888; }
.badge-draft .badge-dot   { background:#888; }
.badge-sent    { background:var(--info-light);    color:var(--info); }
.badge-sent .badge-dot    { background:var(--info); }
.badge-paid    { background:var(--success-light); color:var(--success); }
.badge-paid .badge-dot    { background:var(--success); }
.badge-overdue { background:var(--danger-light);  color:var(--danger); }
.badge-overdue .badge-dot { background:var(--danger); }

/* ================================================================
   INVOICE FORM
   ================================================================ */
.invoice-section {
  background:#fff; border:1px solid var(--border);
  border-radius:var(--radius-lg); padding:20px; margin-bottom:18px;
  box-shadow:var(--shadow-card);
}
.inv-section-title {
  font-size:.78rem; font-weight:800; text-transform:uppercase;
  letter-spacing:.08em; color:var(--text-2); margin-bottom:15px;
  display:flex; align-items:center; gap:8px;
}
.inv-section-title svg { width:14px; height:14px; }

/* Items Table */
.items-wrap { overflow-x:auto; }
.items-table { width:100%; min-width:760px; border-collapse:collapse; }
.items-table thead th {
  padding:9px 10px; text-align:left; font-size:.71rem; font-weight:700;
  color:var(--text-2); text-transform:uppercase; letter-spacing:.07em;
  border-bottom:2px solid var(--border); white-space:nowrap;
  background:var(--bg-3);
}
.items-table tbody td { padding:6px 5px; vertical-align:middle; }
.item-inp {
  width:100%; background:#fff; border:1.5px solid var(--border);
  border-radius:var(--radius-xs); padding:8px 9px; color:var(--text); font-size:.85rem; outline:none; transition:var(--t);
}
.item-inp:focus { border-color:var(--purple); background:#FDFCFF; }
.item-inp.w-sm { width:72px; }
.item-inp.w-md { width:90px; }
select.item-inp { appearance:none; cursor:pointer; }

.item-amount { text-align:right; font-weight:700; padding:8px 10px; font-size:.875rem; white-space:nowrap; color:var(--purple); }
.del-row-btn {
  background:none; border:none; color:var(--text-3); cursor:pointer;
  padding:6px; border-radius:var(--radius-xs); display:flex; align-items:center; transition:var(--t);
}
.del-row-btn:hover { background:var(--danger-light); color:var(--danger); }

.add-item-btn {
  display:inline-flex; align-items:center; gap:8px;
  background:none; border:2px dashed var(--border);
  border-radius:var(--radius); padding:9px 16px;
  color:var(--text-2); font-size:.8375rem; cursor:pointer; transition:var(--t); margin-top:8px;
}
.add-item-btn:hover { border-color:var(--purple); color:var(--purple); background:var(--purple-soft); }

/* Summary Box */
.inv-summary {
  background:var(--bg-3); border:1.5px solid var(--border);
  border-radius:var(--radius-lg); padding:18px; min-width:300px;
}
.sum-row {
  display:flex; justify-content:space-between; align-items:center;
  padding:7px 0; font-size:.875rem; border-bottom:1px solid var(--border-2);
}
.sum-row:last-child { border-bottom:none; }
.sum-row.grand {
  font-size:1.0625rem; font-weight:800;
  border-top:2px solid var(--border);
  margin-top:4px; padding-top:12px;
}
.sum-row.grand .sum-val { background:var(--grad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.sum-lbl { color:var(--text-2); font-weight:500; }
.sum-val  { font-weight:600; }

.amt-words {
  margin-top:10px; padding:10px 14px;
  background:#FFF9FF; border:1px solid rgba(123,47,255,.15);
  border-radius:var(--radius-sm); font-size:.76rem; color:var(--purple);
  font-style:italic; line-height:1.5;
}

/* ================================================================
   INVOICE PREVIEW (white A4)
   ================================================================ */
.preview-toolbar { display:flex; gap:10px; align-items:center; margin-bottom:20px; flex-wrap:wrap; }

#inv-print-area {
  background:#fff; color:#1a1a1a;
  max-width:760px; margin:0 auto; border-radius:var(--radius-lg);
  overflow:hidden; box-shadow:var(--shadow-lg);
  font-family:'Poppins',sans-serif;
}

/* ================================================================
   INVOICE PRINT TEMPLATE
   ================================================================ */
.inv-tpl { padding:36px 40px; }
.inv-tpl-header { display:flex; justify-content:space-between; align-items:flex-start; margin-bottom:24px; }
.inv-firm-logo  { height:52px; object-fit:contain; }
.inv-firm-name  { font-size:1.25rem; font-weight:900; color:#1a1a1a; }
.inv-firm-details { font-size:.78rem; color:#555; line-height:1.8; }
.inv-badge { display:inline-block; padding:4px 14px; border-radius:4px; font-size:.72rem; font-weight:800; letter-spacing:.1em; margin-bottom:8px; color:#fff; background:linear-gradient(135deg,#7B2FFF,#FF2D6B); }
.inv-number { font-size:1rem; font-weight:800; color:#1a1a1a; }
.inv-date   { font-size:.8rem; color:#666; }

.inv-meta-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-bottom:24px; }
.inv-meta-box  { background:#F8F7FF; border:1px solid #EAE8F8; border-radius:8px; padding:14px 16px; }
.inv-meta-label { font-size:.68rem; font-weight:800; text-transform:uppercase; letter-spacing:.1em; color:#7B2FFF; margin-bottom:8px; }
.inv-meta-val  { font-size:.8375rem; line-height:1.8; color:#333; }
.inv-meta-val strong { color:#1a1a1a; font-weight:700; }

.inv-items-tbl { width:100%; border-collapse:collapse; margin-bottom:20px; }
.inv-items-tbl thead tr { background:linear-gradient(135deg,#7B2FFF,#FF2D6B); }
.inv-items-tbl thead th { padding:10px 12px; text-align:left; font-size:.72rem; font-weight:700; color:#fff; text-transform:uppercase; letter-spacing:.06em; white-space:nowrap; }
.inv-items-tbl thead th:last-child { text-align:right; }
.inv-items-tbl tbody tr:nth-child(even) { background:#FAF9FF; }
.inv-items-tbl tbody td { padding:9px 12px; font-size:.8125rem; color:#333; border-bottom:1px solid #EAE8F8; }
.inv-items-tbl tbody td:last-child { text-align:right; font-weight:700; color:#7B2FFF; }
.inv-items-tbl tbody td.num { text-align:right; }

.inv-footer-grid { display:grid; grid-template-columns:1fr auto; gap:24px; align-items:start; }
.inv-tax-breakdown { background:#FAF9FF; border:1px solid #EAE8F8; border-radius:8px; overflow:hidden; }
.inv-tax-breakdown table { width:100%; border-collapse:collapse; }
.inv-tax-breakdown th { background:#EEE9FF; padding:8px 12px; font-size:.69rem; font-weight:700; text-transform:uppercase; letter-spacing:.07em; color:#7B2FFF; text-align:left; }
.inv-tax-breakdown td { padding:7px 12px; font-size:.8rem; color:#444; border-bottom:1px solid #EAE8F8; }
.inv-tax-breakdown td:last-child { text-align:right; font-weight:700; }

.inv-totals { min-width:220px; }
.inv-total-row { display:flex; justify-content:space-between; padding:7px 0; font-size:.8375rem; border-bottom:1px solid #EAE8F8; }
.inv-total-row:last-child { border-bottom:none; }
.inv-total-row.grand { font-size:1rem; font-weight:900; border-top:2px solid #7B2FFF; padding-top:10px; margin-top:4px; }
.inv-total-row.grand span:last-child { background:linear-gradient(135deg,#7B2FFF,#FF2D6B); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.inv-total-lbl { color:#666; }

.inv-words { margin-top:14px; padding:10px 14px; background:#F8F7FF; border-radius:6px; font-size:.78rem; color:#7B2FFF; font-style:italic; line-height:1.5; }
.inv-words strong { color:#1a1a1a; font-style:normal; }
.inv-bank { margin-top:14px; padding:14px 16px; background:#F8F7FF; border:1px solid #EAE8F8; border-radius:8px; font-size:.8rem; line-height:1.8; color:#444; }
.inv-bank-title { font-size:.68rem; font-weight:800; text-transform:uppercase; letter-spacing:.08em; color:#7B2FFF; margin-bottom:6px; }
.inv-notes { margin-top:14px; font-size:.78rem; color:#666; line-height:1.6; }
.inv-sign { margin-top:28px; display:flex; justify-content:flex-end; }
.inv-sign-box { text-align:center; min-width:160px; border-top:1.5px solid #ccc; padding-top:8px; }
.inv-sign-label { font-size:.73rem; color:#888; margin-top:4px; }
.inv-powered { margin-top:20px; padding-top:14px; border-top:1px solid #EAE8F8; text-align:center; font-size:.72rem; color:#aaa; }
.inv-powered strong { background:linear-gradient(135deg,#7B2FFF,#FF2D6B); -webkit-background-clip:text; -webkit-text-fill-color:transparent; font-weight:800; }

/* ================================================================
   FIRM SETTINGS
   ================================================================ */
.logo-upload-zone {
  border:2px dashed var(--border); border-radius:var(--radius-lg);
  padding:30px; text-align:center; cursor:pointer; transition:var(--t);
  background:var(--bg-3);
}
.logo-upload-zone:hover { border-color:var(--purple); background:var(--purple-soft); }
.logo-preview { width:80px; height:80px; border-radius:var(--radius); object-fit:contain; background:#fff; padding:6px; margin:0 auto 10px; box-shadow:var(--shadow-sm); }
.logo-upload-text { font-size:.875rem; color:var(--text-2); margin-top:8px; }

/* ================================================================
   CUSTOMER PAGE
   ================================================================ */
.customer-card {
  background:#fff; border:1.5px solid var(--border); border-radius:var(--radius-lg);
  padding:16px 18px; display:flex; align-items:center; gap:14px;
  cursor:pointer; transition:var(--t); box-shadow:var(--shadow-card);
}
.customer-card:hover { border-color:rgba(123,47,255,.3); background:var(--purple-soft); transform:translateY(-1px); box-shadow:var(--shadow); }
.cust-avatar { width:44px; height:44px; border-radius:50%; background:var(--grad-btn); display:flex; align-items:center; justify-content:center; color:#fff; font-weight:800; font-size:1.0625rem; flex-shrink:0; }
.cust-name   { font-weight:700; font-size:.9375rem; }
.cust-gstin  { font-size:.78rem; color:var(--text-2); font-family:monospace; margin-top:2px; }
.customer-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:12px; }

/* ================================================================
   MODAL
   ================================================================ */
#modal-overlay {
  position:fixed; inset:0; background:rgba(26,22,48,0.5);
  backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  z-index:500; display:flex; align-items:center; justify-content:center; padding:20px;
}
#modal-box {
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-xl);
  padding:28px; max-width:500px; width:100%; max-height:90vh; overflow-y:auto;
  box-shadow:var(--shadow-lg); animation:modalPop .3s var(--spring);
}
@keyframes modalPop { from{opacity:0;transform:scale(.88) translateY(20px);} to{opacity:1;transform:scale(1) translateY(0);} }
.modal-hd { display:flex; align-items:center; justify-content:space-between; margin-bottom:20px; }
.modal-title { font-size:1.125rem; font-weight:800; }
.modal-close-btn { background:none; border:none; color:var(--text-2); cursor:pointer; padding:4px; border-radius:6px; display:flex; transition:var(--t); }
.modal-close-btn:hover { background:var(--bg-3); color:var(--danger); }

/* ================================================================
   TOAST
   ================================================================ */
#toast {
  position:fixed; bottom:22px; left:50%;
  transform:translateX(-50%) translateY(80px);
  background:#fff; border:1.5px solid var(--border);
  border-radius:var(--radius-lg); padding:12px 20px;
  font-size:.875rem; font-weight:600; z-index:9000; white-space:nowrap;
  box-shadow:var(--shadow-lg); display:flex; align-items:center; gap:10px;
  opacity:0; transition:transform .4s var(--spring), opacity .3s var(--ease);
  color:var(--text);
}
#toast.show { transform:translateX(-50%) translateY(0); opacity:1; }
#toast.t-success { border-color:var(--success); }
#toast.t-success .toast-icon { color:var(--success); }
#toast.t-error   { border-color:var(--danger); }
#toast.t-error   .toast-icon { color:var(--danger); }
#toast.t-warning { border-color:var(--warning); }
#toast.t-warning .toast-icon { color:var(--warning); }

/* ================================================================
   BOTTOM NAV (Mobile)
   ================================================================ */
#bottom-nav {
  display:none; position:fixed; bottom:0; left:0; right:0;
  height:var(--bottom-h); background:#fff; border-top:1px solid var(--border);
  z-index:50; align-items:center; padding:0 6px; box-shadow:0 -4px 20px rgba(123,47,255,0.08);
}
.bnav-inner { display:flex; align-items:center; width:100%; }
.bnav-item {
  flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px;
  padding:8px 4px; color:var(--text-3); cursor:pointer; border:none; background:none;
  font-size:.6rem; font-weight:700; transition:var(--t); border-radius:var(--radius-sm);
  text-transform:uppercase; letter-spacing:.04em;
}
.bnav-item.active { color:var(--purple); }
.bnav-item svg { width:22px; height:22px; }
.bnav-fab-wrap { flex:1; display:flex; align-items:center; justify-content:center; }
.fab {
  width:54px; height:54px; border-radius:50%;
  background:var(--grad-btn); border:none; color:#fff;
  cursor:pointer; display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 20px rgba(123,47,255,0.45); transition:var(--t); margin-top:-18px;
}
.fab:hover { transform:scale(1.1) translateY(-2px); box-shadow:0 8px 28px rgba(123,47,255,0.55); }

/* ================================================================
   EMPTY STATE
   ================================================================ */
.empty-state {
  text-align:center; padding:60px 20px;
  display:flex; flex-direction:column; align-items:center; gap:12px;
}
.empty-icon { font-size:3.5rem; opacity:.5; }
.empty-state h3 { font-size:1.1rem; font-weight:800; }
.empty-state p { color:var(--text-2); font-size:.875rem; max-width:300px; }

/* ================================================================
   SCROLLBAR
   ================================================================ */
::-webkit-scrollbar { width:5px; height:5px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:rgba(123,47,255,.25); }

/* Hero gradient strip for pages */
.page-title-grad { background:var(--grad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width:900px) { .stats-grid { grid-template-columns:1fr 1fr; } }
@media (max-width:768px) {
  #sidebar { display:none; }
  #bottom-nav { display:flex; }
  #main-content { margin-left:0; padding-bottom:var(--bottom-h); }
  .app-page { padding:16px; }
  .stats-grid { gap:10px; }
  .form-row,.form-row-3 { grid-template-columns:1fr; }
  .auth-card { padding:28px 20px; }
  .inv-meta-grid { grid-template-columns:1fr; }
  .inv-footer-grid { grid-template-columns:1fr; }
}
@media (max-width:480px) {
  .stats-grid { grid-template-columns:1fr 1fr; gap:8px; }
  .stat-val { font-size:1.2rem; }
  .otp-digit { width:46px; height:56px; font-size:1.35rem; }
}

/* ================================================================
   PRINT
   ================================================================ */
@media print {
  body { background:#fff; }
  #sidebar,#app-header,#bottom-nav,.preview-toolbar { display:none !important; }
  #main-content { margin-left:0; }
  #inv-print-area { box-shadow:none; border-radius:0; max-width:100%; }
  .app-page { padding:0; }
}