/* ================================================
   WEEKLY FINANCE - Enhanced Stylesheet
   Animated icons, page transitions, loading states
   ================================================ */

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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: #1a2236;
  --bg-hover: #222d42;
  --bg-input: #151f33;
  --border: #2a3a55;
  --border-light: #1e2d45;
  --text-primary: #e8edf5;
  --text-secondary: #8fa3c0;
  --text-muted: #56698a;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-soft: rgba(59,130,246,0.12);
  --accent2: #f59e0b;
  --accent2-soft: rgba(245,158,11,0.12);
  --green: #10b981;
  --green-soft: rgba(16,185,129,0.12);
  --red: #ef4444;
  --red-soft: rgba(239,68,68,0.12);
  --orange: #f97316;
  --purple: #8b5cf6;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-width: 240px;
  --header-height: 64px;
}

[data-theme="light"] {
  --bg-primary: #f0f4fa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-hover: #f5f7fb;
  --bg-input: #f8fafc;
  --border: #e2e8f0;
  --border-light: #edf2f7;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: rgba(37,99,235,0.08);
  --accent2: #d97706;
  --accent2-soft: rgba(217,119,6,0.08);
  --green: #059669;
  --green-soft: rgba(5,150,105,0.08);
  --red: #dc2626;
  --red-soft: rgba(220,38,38,0.08);
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Sora', 'Noto Sans Telugu', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ====== PAGE LOAD OVERLAY ====== */
#pageLoadOverlay {
  position: fixed; inset: 0;
  background: var(--bg-primary);
  z-index: 9999;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 1.5rem;
  transition: opacity 0.6s ease, transform 0.6s ease;
}
#pageLoadOverlay.hide {
  opacity: 0; pointer-events: none; transform: scale(1.05);
}
.load-logo-icon {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 0 50px rgba(59,130,246,0.5);
  animation: loadFloat 1.5s ease-in-out infinite;
}
.load-title {
  font-size: 1.8rem; font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.load-bar-wrap { width: 200px; height: 3px; background: var(--border); border-radius: 3px; overflow: hidden; }
.load-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 3px;
  animation: loadBar 1.8s ease-in-out forwards;
}
.load-text { font-size: 0.78rem; color: var(--text-muted); letter-spacing: 0.1em; }

@keyframes loadBar { 0%{width:0%} 60%{width:80%} 100%{width:100%} }
@keyframes loadFloat { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-10px) scale(1.03)} }

/* ====== AUTH ====== */
.auth-top-controls {
  position: fixed; top: 1rem; right: 1rem;
  display: flex; gap: 0.5rem; z-index: 10;
}
.auth-wrapper {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-primary);
  position: relative; overflow: hidden;
}
.auth-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 20%, rgba(59,130,246,0.15) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 80%, rgba(139,92,246,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.auth-grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--border-light) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.3; pointer-events: none;
  animation: gridDrift 20s linear infinite;
}
@keyframes gridDrift {
  0%{ background-position: 0 0, 0 0; }
  100%{ background-position: 48px 48px, 48px 48px; }
}
.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%; max-width: 440px;
  position: relative; z-index: 1;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.5s cubic-bezier(.16,1,.3,1) both;
}
.auth-logo {
  text-align: center;
  margin-bottom: 1.8rem;
  display: flex; flex-direction: column; align-items: center;
}
.auth-logo .logo-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  margin: 0 auto 0.8rem auto;
  box-shadow: 0 8px 32px rgba(59,130,246,0.35);
  animation: iconBounce 3s ease-in-out infinite;
}
@keyframes iconBounce {
  0%,100%{ transform:translateY(0) scale(1); }
  40%{ transform:translateY(-6px) scale(1.05); }
  60%{ transform:translateY(-3px) scale(1.02); }
}
.auth-logo h1 {
  font-size: 1.5rem; font-weight: 800;
  background: linear-gradient(135deg, var(--text-primary), var(--accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.auth-logo p { color: var(--text-secondary); font-size: 0.85rem; margin-top: 0.3rem; }
.auth-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.3rem; }
.auth-sub { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 1.8rem; }

/* ====== FORMS ====== */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block; font-size: 0.78rem; font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 0.4rem;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; background: var(--bg-input);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: inherit; font-size: 0.92rem;
  color: var(--text-primary); outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  transform: translateY(-1px);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select { appearance: none; cursor: pointer; }

/* ====== BUTTONS ====== */
.btn {
  width: 100%; padding: 0.85rem;
  border: none; border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.92rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  overflow: hidden; position: relative;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(59,130,246,0.35); }
.btn-google {
  background: var(--bg-secondary); color: var(--text-primary);
  border: 1.5px solid var(--border);
}
.btn-google:hover { background: var(--bg-hover); }
.divider { display: flex; align-items: center; gap: 1rem; color: var(--text-muted); font-size: 0.8rem; margin: 1.2rem 0; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.auth-footer { text-align: center; margin-top: 1.2rem; font-size: 0.85rem; color: var(--text-secondary); }
.auth-footer a { color: var(--accent); text-decoration: none; font-weight: 600; }

/* ====== APP LAYOUT ====== */
.app-layout { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar-width); background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 50;
  display: flex; flex-direction: column;
  transition: transform 0.3s cubic-bezier(.16,1,.3,1);
  overflow: hidden;
}
.sidebar-logo {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1.25rem 1.5rem; border-bottom: 1px solid var(--border);
}
.logo-box {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
  animation: logoSpin 8s ease-in-out infinite;
}
@keyframes logoSpin {
  0%,100%{ transform:rotate(0) scale(1); }
  25%{ transform:rotate(-6deg) scale(1.05); }
  75%{ transform:rotate(6deg) scale(1.05); }
}
.sidebar-logo span { font-weight: 800; font-size: 1rem; }
.sidebar-nav { flex: 1; padding: 1rem 0; overflow-y: auto; }
.nav-section-title {
  font-size: 0.68rem; font-weight: 700; color: var(--text-muted);
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.5rem 1.5rem; margin-top: 0.5rem;
}
.nav-item {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.65rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.88rem; font-weight: 500; cursor: pointer;
  border-radius: 0; transition: all 0.2s; position: relative;
  text-decoration: none; border: none; background: none;
  width: 100%; text-align: left;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active { background: var(--accent-soft); color: var(--accent); }
.nav-item.active::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--accent); border-radius: 0 2px 2px 0;
}
.nav-icon {
  width: 18px; font-size: 1rem; flex-shrink: 0;
  display: inline-block; transition: transform 0.2s;
}
.nav-item:hover .nav-icon { transform: scale(1.2) rotate(-5deg); }
.nav-item[data-page="dashboard"] .nav-icon { animation: iconWiggle 4s ease-in-out infinite; }
.nav-item[data-page="customers"] .nav-icon { animation: iconBounce 3.5s ease-in-out infinite; animation-delay:0.5s; }
.nav-item[data-page="villages"] .nav-icon { animation: loadFloat 4s ease-in-out infinite; animation-delay:1s; }
.nav-item[data-page="collection"] .nav-icon { animation: iconWiggle 3s ease-in-out infinite; animation-delay:0.3s; }
.nav-item[data-page="reports"] .nav-icon { animation: pulse 3s ease-in-out infinite; animation-delay:0.8s; }
.nav-item[data-page="balance"] .nav-icon { animation: iconBounce 4s ease-in-out infinite; animation-delay:1.2s; }
.nav-item[data-page="settings"] .nav-icon { animation: logoSpin 8s linear infinite; }
@keyframes iconWiggle { 0%,100%{transform:rotate(0)} 25%{transform:rotate(-8deg) scale(1.1)} 75%{transform:rotate(8deg) scale(1.1)} }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.7;transform:scale(0.95)} }

.sidebar-bottom { padding: 1rem; border-top: 1px solid var(--border); }
.user-info {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem; background: var(--bg-hover);
  border-radius: var(--radius-sm); margin-bottom: 0.5rem;
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem; color: #fff;
  overflow: hidden; flex-shrink: 0; transition: transform 0.2s;
}
.user-avatar:hover { transform: scale(1.1); }
.user-avatar img { width: 100%; height: 100%; object-fit: cover; }
.user-name { font-size: 0.82rem; font-weight: 600; }
.user-email { font-size: 0.72rem; color: var(--text-muted); }

/* ====== MAIN CONTENT ====== */
.main-content { margin-left: var(--sidebar-width); flex: 1; min-height: 100vh; display: flex; flex-direction: column; }
.top-bar {
  height: var(--header-height); background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; padding: 0 1.5rem; gap: 1rem;
  position: sticky; top: 0; z-index: 40;
}
.top-bar-title { font-weight: 700; font-size: 1.1rem; flex: 1; }
.top-bar-actions { display: flex; align-items: center; gap: 0.75rem; }
.page-content { flex: 1; padding: 1.5rem; overflow-y: auto; }

/* ====== PAGE TRANSITIONS ====== */
.page { display: none; }
.page.active {
  display: block;
  animation: pageIn 0.35s cubic-bezier(.16,1,.3,1) both;
}
@keyframes pageIn {
  from{ opacity:0; transform:translateY(18px) scale(0.98); }
  to{ opacity:1; transform:translateY(0) scale(1); }
}

/* STAGGERED STAT CARDS */
.page.active .stat-card { animation: cardIn 0.35s cubic-bezier(.16,1,.3,1) both; }
.page.active .stat-card:nth-child(1){ animation-delay:0.05s; }
.page.active .stat-card:nth-child(2){ animation-delay:0.1s; }
.page.active .stat-card:nth-child(3){ animation-delay:0.15s; }
.page.active .stat-card:nth-child(4){ animation-delay:0.2s; }
@keyframes cardIn { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

/* ====== COMPONENTS ====== */
.card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem;
  box-shadow: var(--shadow); transition: box-shadow 0.2s, border-color 0.2s;
}
.card:hover { box-shadow: var(--shadow-lg); }
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem 1.5rem;
  display: flex; align-items: center; gap: 1rem;
  transition: all 0.25s; cursor: default;
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(59,130,246,0.15); }
.stat-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; flex-shrink: 0; transition: transform 0.3s;
}
.stat-card:hover .stat-icon { transform: scale(1.15) rotate(-5deg); }
.stat-label { font-size: 0.78rem; color: var(--text-secondary); font-weight: 500; margin-bottom: 0.2rem; }
.stat-value { font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; transition: color 0.2s; }
.stat-card:hover .stat-value { color: var(--accent); }

.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 1rem; }

/* TABLE */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
thead tr { border-bottom: 1px solid var(--border); }
thead th { padding: 0.75rem 1rem; text-align: left; font-size: 0.75rem; font-weight: 600; color: var(--text-secondary); letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap; }
tbody tr { border-bottom: 1px solid var(--border-light); transition: background 0.15s; }
tbody tr:hover { background: var(--bg-hover); }
tbody td { padding: 0.85rem 1rem; }

/* BADGE */
.badge { display: inline-flex; align-items: center; padding: 0.25rem 0.65rem; border-radius: 20px; font-size: 0.72rem; font-weight: 600; transition: transform 0.15s; }
.badge:hover { transform: scale(1.05); }
.badge-green { background: var(--green-soft); color: var(--green); }
.badge-red { background: var(--red-soft); color: var(--red); }
.badge-yellow { background: var(--accent2-soft); color: var(--accent2); }
.badge-blue { background: var(--accent-soft); color: var(--accent); }
.badge-purple { background: rgba(139,92,246,0.12); color: var(--purple); }

/* SMALL BUTTONS */
.btn-sm { padding: 0.4rem 0.85rem; border-radius: 6px; font-size: 0.78rem; font-weight: 600; border: none; cursor: pointer; font-family: inherit; display: inline-flex; align-items: center; gap: 0.3rem; transition: all 0.2s; }
.btn-sm:active { transform: scale(0.95); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59,130,246,0.3); }
.btn-danger { background: var(--red-soft); color: var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-success { background: var(--green-soft); color: var(--green); }
.btn-success:hover { background: var(--green); color: #fff; }
.btn-ghost { background: var(--bg-hover); color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); }
.btn-icon { width: 32px; height: 32px; border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; background: var(--bg-hover); border: none; cursor: pointer; color: var(--text-secondary); font-size: 0.9rem; transition: all 0.2s; }
.btn-icon:hover { background: var(--accent-soft); color: var(--accent); transform: scale(1.1) rotate(-5deg); }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.65); backdrop-filter: blur(6px); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 1rem; opacity: 0; pointer-events: none; transition: opacity 0.25s; }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; width: 100%; max-width: 540px; max-height: 90vh; overflow-y: auto; transform: scale(0.9) translateY(20px); transition: transform 0.35s cubic-bezier(.16,1,.3,1); box-shadow: var(--shadow-lg); }
.modal-overlay.open .modal { transform: scale(1) translateY(0); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.modal-title { font-size: 1.1rem; font-weight: 700; }

/* SEARCH */
.search-box { position: relative; flex: 1; }
.search-box input { width: 100%; background: var(--bg-input); border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 0.6rem 1rem 0.6rem 2.5rem; font-family: inherit; font-size: 0.875rem; color: var(--text-primary); outline: none; transition: border-color 0.2s, box-shadow 0.2s; }
.search-box input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.search-icon { position: absolute; left: 0.75rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.9rem; pointer-events: none; }
.search-box:focus-within .search-icon { color: var(--accent); }

.controls-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.control-btn { display: flex; align-items: center; gap: 0.4rem; padding: 0.45rem 0.85rem; border-radius: 8px; font-size: 0.8rem; font-weight: 600; border: 1.5px solid var(--border); background: var(--bg-card); color: var(--text-secondary); cursor: pointer; transition: all 0.2s; font-family: inherit; }
.control-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }

/* WEEK CARD */
.week-customer-card { background: var(--bg-card); border: 1.5px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; display: flex; align-items: center; gap: 1rem; transition: all 0.25s; animation: cardIn 0.3s ease both; }
.week-customer-card:hover { border-color: var(--accent); transform: translateX(4px); }
.week-customer-card.paid-card { border-color: var(--green); background: var(--green-soft); }
.week-customer-card.absent-card { border-color: var(--red); background: var(--red-soft); }

/* BALANCE BOX */
.d-flex { display: flex; }
.align-items-center { align-items: center; }
.gap-3 { gap: 1rem; }
.px-3 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }

.balance-box {
    background: linear-gradient(135deg, #1f2a40, #2b3a55);
    border-radius: 12px;
    color: #fff;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.balance-box .icon {
    font-size: 16px;
}

.balance-box .text {
    font-size: 14px;
}


/* ONE-CLICK COLLECT ALL */
.collect-all-btn {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: #fff; border: none; border-radius: 10px;
  padding: 0.75rem 1.5rem; font-family: inherit; font-size: 0.88rem; font-weight: 700;
  cursor: pointer; display: flex; align-items: center; gap: 0.5rem;
  transition: all 0.2s; box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}
.collect-all-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(59,130,246,0.4); }
.collect-all-btn:active { transform: scale(0.97); }

/* PROGRESS BAR */
.progress-wrap { background: var(--border); border-radius: 4px; height: 6px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 4px; background: linear-gradient(90deg, var(--accent), var(--purple)); transition: width 0.7s cubic-bezier(.16,1,.3,1); }

/* UPI */
.upi-box { background: #fff; color: #000; border-radius: 12px; padding: 1rem; text-align: center; display: inline-block; }
.upi-id { background: var(--accent-soft); color: var(--accent); padding: 0.4rem 1rem; border-radius: 6px; font-weight: 700; font-size: 0.9rem; margin-top: 0.5rem; display: inline-block; }

/* TOAST */
.toast-container { position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 999; display: flex; flex-direction: column; gap: 0.5rem; }
.toast { background: var(--bg-card); border: 1px solid var(--border); border-radius: 10px; padding: 0.85rem 1.25rem; display: flex; align-items: center; gap: 0.75rem; font-size: 0.875rem; box-shadow: var(--shadow-lg); animation: toastIn 0.4s cubic-bezier(.16,1,.3,1) both; min-width: 280px; }
.toast.success { border-left: 3px solid var(--green); }
.toast.error { border-left: 3px solid var(--red); }
.toast.info { border-left: 3px solid var(--accent); }
@keyframes toastIn { from{opacity:0;transform:translateX(60px) scale(0.9)} to{opacity:1;transform:translateX(0) scale(1)} }

/* ANIMATIONS */
@keyframes slideUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }
@keyframes spin { to{transform:rotate(360deg)} }

.spinner { width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.7s linear infinite; display: inline-block; }

/* SKELETON SHIMMER */
.skeleton { background: linear-gradient(90deg, var(--bg-hover) 25%, var(--border) 50%, var(--bg-hover) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 4px; height: 14px; display: inline-block; width: 100%; }
@keyframes shimmer { 0%{background-position:-200% 0} 100%{background-position:200% 0} }

/* EMPTY STATE */
.empty-state { text-align: center; padding: 3rem; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 0.75rem; display: block; animation: loadFloat 3s ease-in-out infinite; }
.empty-state p { font-size: 0.9rem; }

/* SECTION HEADING */
.section-heading { font-size: 1.1rem; font-weight: 700; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.5rem; }
.section-heading small { font-size: 0.8rem; color: var(--text-muted); font-weight: 400; }

/* REPORT SUMMARY */
.report-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 0.75rem; margin-bottom: 1.5rem; }
.report-stat { background: var(--bg-hover); border-radius: 8px; padding: 0.85rem; text-align: center; transition: all 0.2s; border: 1px solid transparent; }
.report-stat:hover { border-color: var(--accent); transform: translateY(-2px); }
.report-stat .rs-val { font-size: 1.3rem; font-weight: 800; }
.report-stat .rs-lbl { font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.2rem; }

/* BALANCE PAGE */
.balance-hero { background: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%); border-radius: var(--radius); padding: 2rem; color: #fff; text-align: center; margin-bottom: 1.5rem; position: relative; overflow: hidden; }
.balance-hero::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%); animation: balancePulse 4s ease-in-out infinite; }
@keyframes balancePulse { 0%,100%{transform:scale(1);opacity:1} 50%{transform:scale(1.1);opacity:0.5} }
.balance-hero .bal-label { font-size: 0.85rem; opacity: 0.8; position: relative; }
.balance-hero .bal-amount { font-size: 3rem; font-weight: 800; margin: 0.5rem 0; position: relative; }
.balance-hero .bal-sub { font-size: 0.85rem; opacity: 0.7; position: relative; }

/* SECURITY NOTICE (replaces Firebase setup) */
.security-notice {
  background: var(--green-soft); border: 1px solid var(--green);
  border-radius: 10px; padding: 1rem 1.25rem;
  font-size: 0.85rem; color: var(--text-primary); line-height: 1.7;
  display: flex; gap: 0.75rem; align-items: flex-start;
}
.security-notice .sec-icon { font-size: 1.3rem; flex-shrink: 0; }

/* AMOUNT PRELOADED */
.amount-preloaded { background: linear-gradient(135deg, var(--green-soft), var(--accent-soft)) !important; border-color: var(--green) !important; color: var(--green) !important; font-weight: 700; }

/* MOBILE */
.hamburger { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.3rem; cursor: pointer; padding: 0.3rem; transition: transform 0.2s; }
.hamburger:hover { transform: scale(1.1); }
.overlay-bg { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 49; display: none; }
.overlay-bg.show { display: block; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .hamburger { display: block; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .controls-row { flex-direction: column; align-items: stretch; }
  .page-content { padding: 1rem; }
}

select.form-select { background: var(--bg-input); border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 0.6rem 1rem; font-family: inherit; font-size: 0.875rem; color: var(--text-primary); outline: none; cursor: pointer; transition: border-color 0.2s; }
select.form-select:focus { border-color: var(--accent); }

.page-section { animation: pageIn 0.35s cubic-bezier(.16,1,.3,1) both; }


/* ================================================
   RESPONSIVE OPTIMIZATION — Mobile / Tablet / PC
   + Page Transition Overhaul
   ================================================ */

/* ---- BOTTOM NAV (Mobile only) ---- */
.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  z-index: 60;
  padding: 0.35rem 0 calc(0.35rem + env(safe-area-inset-bottom));
  box-shadow: 0 -4px 24px rgba(0,0,0,0.25);
}
.bottom-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.bottom-nav-item {
  display: flex; flex-direction: column; align-items: center;
  gap: 0.18rem;
  padding: 0.35rem 0.5rem;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-family: inherit;
  font-size: 0.62rem; font-weight: 600;
  flex: 1; transition: color 0.2s;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-item .bn-icon {
  font-size: 1.35rem;
  transition: transform 0.25s cubic-bezier(.16,1,.3,1);
}
.bottom-nav-item.active {
  color: var(--accent);
}
.bottom-nav-item.active .bn-icon {
  transform: translateY(-4px) scale(1.15);
}
.bottom-nav-item:active .bn-icon {
  transform: scale(0.88);
}

/* ---- PAGE TRANSITION SYSTEM ---- */
/* Outgoing page */
.page.page-exit {
  animation: pageOut 0.22s cubic-bezier(.4,0,1,1) forwards;
  pointer-events: none;
}
/* Incoming page — direction variants */
.page.active.slide-from-right {
  animation: slideFromRight 0.32s cubic-bezier(.16,1,.3,1) both;
}
.page.active.slide-from-left {
  animation: slideFromLeft 0.32s cubic-bezier(.16,1,.3,1) both;
}
.page.active.fade-up {
  animation: pageIn 0.35s cubic-bezier(.16,1,.3,1) both;
}

@keyframes pageOut {
  from { opacity:1; transform:scale(1) translateY(0); }
  to   { opacity:0; transform:scale(0.97) translateY(-8px); }
}
@keyframes slideFromRight {
  from { opacity:0; transform:translateX(40px) scale(0.98); }
  to   { opacity:1; transform:translateX(0) scale(1); }
}
@keyframes slideFromLeft {
  from { opacity:0; transform:translateX(-40px) scale(0.98); }
  to   { opacity:1; transform:translateX(0) scale(1); }
}

/* Page indicator strip under top bar */
.page-indicator {
  position: fixed;
  top: var(--header-height);
  left: var(--sidebar-width);
  right: 0;
  height: 2px;
  z-index: 39;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transform-origin: left;
  transform: scaleX(0);
  transition: none;
}
.page-indicator.loading {
  animation: pageLoadBar 0.5s cubic-bezier(.16,1,.3,1) forwards;
}
@keyframes pageLoadBar {
  0%   { transform: scaleX(0); opacity:1; }
  70%  { transform: scaleX(0.85); opacity:1; }
  100% { transform: scaleX(1); opacity:0; }
}

/* ---- MOBILE (≤ 600px) ---- */
@media (max-width: 600px) {
  :root { --header-height: 56px; }

  .sidebar { display: none !important; }
  .main-content { margin-left: 0 !important; }
  .page-indicator { left: 0; }

  .bottom-nav { display: block; }
  /* Push content above bottom nav */
  .page-content { 
    padding: 0.875rem 0.875rem calc(5rem + env(safe-area-inset-bottom));
  }

  .hamburger { display: none !important; }

  /* Top bar compact */
  .top-bar { padding: 0 0.875rem; gap: 0.5rem; }
  .top-bar-title { font-size: 1rem; }
  .balance-box .text { font-size: 0.82rem; }
  /* Hide lang/theme toggle from topbar on mobile — accessible via settings */
  .top-bar-actions .control-btn { display: none; }

  /* Cards full width */
  .grid-4 { grid-template-columns: repeat(2,1fr); gap: 0.6rem; }
  .grid-3 { grid-template-columns: repeat(2,1fr); gap: 0.6rem; }
  .grid-2 { grid-template-columns: 1fr; gap: 0.6rem; }
  .stat-card { padding: 0.85rem 1rem; }
  .stat-value { font-size: 1.2rem; }

  /* Controls row stack */
  .controls-row { flex-direction: column; align-items: stretch; gap: 0.5rem; }

  /* Tables: horizontal scroll with hint */
  .table-wrap { 
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }
  table { font-size: 0.8rem; min-width: 480px; }
  thead th, tbody td { padding: 0.6rem 0.7rem; }

  /* Modal full-screen on mobile */
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal {
    border-radius: 20px 20px 0 0;
    max-height: 92vh;
    max-width: 100% !important;
    padding: 1.5rem 1.25rem;
    padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
  }

  /* Auth card */
  .auth-card { padding: 2rem 1.25rem; margin: 0 0.5rem; }

  /* Add customer modal grid → single col */
  #addCustomerModal .modal form > div[style*="grid-template-columns:1fr 1fr"],
  #addCustomerModal .modal form > div[style*="grid-template-columns:1fr 1fr 1fr"] {
    grid-template-columns: 1fr !important;
  }

  /* Customer detail modal grid → single col */
  #customerDetailModal .modal > div[style*="grid-template-columns:1fr 1fr"] {
    grid-template-columns: 1fr 1fr !important;
  }

  /* Balance hero */
  .balance-hero .bal-amount { font-size: 2.2rem; }

  /* Dashboard search */
  #page_dashboard > div:first-child {
    flex-wrap: wrap;
  }
  #dashSearchInput { font-size: 0.85rem; }

  /* Collection cards */
  .week-customer-card { flex-wrap: wrap; gap: 0.5rem; }

  /* Toast bottom adjustment for bottom nav */
  .toast-container { bottom: calc(5rem + 0.5rem); right: 0.75rem; left: 0.75rem; }
  .toast { min-width: unset; }

  /* Report summary */
  .report-summary { grid-template-columns: repeat(3, 1fr); gap: 0.5rem; }
  .report-stat .rs-val { font-size: 1rem; }
}

/* ---- TABLET (601px – 1024px) ---- */
@media (min-width: 601px) and (max-width: 1024px) {
  :root { --sidebar-width: 64px; }

  .sidebar-logo span,
  .nav-section-title,
  .nav-item span:not(.nav-icon),
  .sidebar-bottom .user-name,
  .sidebar-bottom .user-email {
    display: none;
  }
  .sidebar-logo { justify-content: center; padding: 1rem; }
  .nav-item { 
    justify-content: center; padding: 0.75rem;
    border-radius: 10px; margin: 0.1rem 0.5rem;
  }
  .nav-item.active::before { display: none; }
  .nav-item.active {
    background: var(--accent-soft);
    border-radius: 10px;
  }
  .nav-icon { width: auto; font-size: 1.2rem; }
  .sidebar-bottom { padding: 0.5rem; }
  .user-info { justify-content: center; padding: 0.5rem; }
  .user-info > div:last-child { display: none; }

  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .grid-3 { grid-template-columns: repeat(3,1fr); }
  .grid-2 { grid-template-columns: repeat(2,1fr); }

  .page-content { padding: 1.25rem; }
  .top-bar { padding: 0 1.25rem; }

  /* Tablet modal — centered with some padding */
  .modal-overlay { padding: 1rem; }

  .page-indicator { left: var(--sidebar-width); }
}

/* ---- DESKTOP (> 1024px) ---- */
@media (min-width: 1025px) {
  .grid-4 { grid-template-columns: repeat(4,1fr); }
  .grid-3 { grid-template-columns: repeat(3,1fr); }
  .grid-2 { grid-template-columns: repeat(2,1fr); }
  .hamburger { display: none !important; }
}

/* ---- LARGE DESKTOP (> 1440px) ---- */
@media (min-width: 1440px) {
  :root { --sidebar-width: 260px; }
  .page-content { padding: 2rem 2.5rem; max-width: 1400px; margin: 0 auto; }
}

/* ---- TOUCH RIPPLE FEEDBACK ---- */
.nav-item, .btn-sm, .btn, .bottom-nav-item, .stat-card {
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-item:active, .nav-item:active {
  opacity: 0.7;
}

/* ---- SMOOTH SIDEBAR TOOLTIP (tablet icon-only mode) ---- */
@media (min-width: 601px) and (max-width: 1024px) {
  .nav-item { position: relative; }
  .nav-item:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%; transform: translateY(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    font-size: 0.78rem; font-weight: 600;
    white-space: nowrap;
    box-shadow: var(--shadow);
    z-index: 100;
    pointer-events: none;
    animation: fadeIn 0.15s ease;
  }
}

/* ---- PROFILE DROPDOWN (Gmail-style) ---- */
.profile-dropdown-wrap {
  position: relative;
}
.profile-trigger:hover {
  border-color: var(--accent) !important;
}
.profile-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  width: 260px;
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  overflow: hidden;
  animation: profileDropIn 0.2s cubic-bezier(.16,1,.3,1) both;
}
.profile-dropdown.open {
  display: block;
}
@keyframes profileDropIn {
  from { opacity:0; transform: scale(0.95) translateY(-8px); }
  to   { opacity:1; transform: scale(1) translateY(0); }
}
.profile-dropdown-header {
  padding: 1.2rem 1.2rem 1rem;
  text-align: center;
  background: linear-gradient(135deg, var(--accent-soft), var(--bg-card));
}
.profile-dropdown-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 0.2rem;
}
.profile-dropdown-email {
  font-size: 0.78rem;
  color: var(--text-secondary);
  word-break: break-all;
}
.profile-dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}
.profile-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.75rem 1.2rem;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}
.profile-dropdown-item:hover {
  background: var(--bg-hover);
}
.profile-dropdown-signout {
  color: var(--red) !important;
}
.profile-dropdown-signout:hover {
  background: var(--red-soft) !important;
}

/* Sidebar logo hover */
.sidebar-logo:hover {
  background: var(--bg-hover);
  border-radius: 0;
}

/* =============================================================
   RESPONSIVE FIXES — Full audit patch
   ============================================================= */

/* FIX M1 — Balance box fluid units */
.balance-box {
  padding: 0.4rem 0.65rem;
  gap: 0.4rem;
  flex-shrink: 1;
  min-width: 0;
  max-width: 160px;
  white-space: nowrap;
  overflow: hidden;
}
.balance-box .text {
  font-size: clamp(0.72rem, 1.5vw, 0.875rem);
  overflow: hidden;
  text-overflow: ellipsis;
}
.balance-box .icon { font-size: 0.9rem; }

/* FIX M2 — Bottom nav touch targets: minimum 48px */
.bottom-nav-item {
  min-height: 48px;
  padding: 0.45rem 0.4rem;
}

/* FIX M9 — Profile dropdown width clamp */
.profile-dropdown {
  width: min(260px, calc(100vw - 1.5rem));
  right: 0;
}

/* FIX M10 — iOS Safari auto-zoom prevention (font-size >= 16px) */
@media (max-width: 600px) {
  input, select, textarea,
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px !important;
  }
}

/* FIX M7 — Report summary 2-col at very small screens */
@media (max-width: 400px) {
  .report-summary {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* FIX M8 — Stat value fluid font, no overflow */
@media (max-width: 600px) {
  .stat-value {
    font-size: clamp(1rem, 4vw, 1.25rem);
    word-break: break-all;
  }
}

/* FIX M4 — Dashboard search: full-width stack on small screens */
@media (max-width: 480px) {
  #page_dashboard > div:first-child {
    flex-direction: column;
    gap: 0.5rem;
  }
  #page_dashboard > div:first-child > div {
    max-width: 100% !important;
    width: 100% !important;
  }
  #page_dashboard > div:first-child > button:last-of-type {
    width: 100%;
    justify-content: center;
  }
  #dashBackBtn {
    width: 100%;
    justify-content: center;
  }
}

/* FIX M5 — Collection week-card: column layout + 44px buttons */
@media (max-width: 600px) {
  .week-customer-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
  }
  .week-customer-card > div:last-child {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    width: 100%;
  }
  .week-customer-card .btn-sm {
    flex: 1;
    min-width: 80px;
    justify-content: center;
    min-height: 44px;
    font-size: 0.8rem;
  }
}

/* FIX M6 — Modal inner grid collapse via structural selectors */
@media (max-width: 600px) {
  .modal > form > div[style],
  .modal form > div[style] {
    grid-template-columns: 1fr !important;
  }
  #customerDetailModal > .modal > div:nth-child(2) {
    grid-template-columns: 1fr 1fr !important;
  }
}

/* FIX L1 — Mobile landscape: sidebar hidden, bottom nav shown */
@media (max-width: 600px) and (orientation: landscape) {
  .sidebar { display: none !important; transform: none; }
  .main-content { margin-left: 0 !important; }
  .bottom-nav { display: block; }
  .top-bar { height: 48px; }
  .page-content {
    padding-top: 0.6rem;
    padding-bottom: calc(4.5rem + env(safe-area-inset-bottom));
  }
}

/* FIX T1 — Tablet 601px+: cancel the 768px sidebar override conflict */
@media (min-width: 601px) {
  .sidebar {
    transform: none !important;
    display: flex !important;
  }
  .hamburger { display: none !important; }
}

/* FIX T2 — Collapsed sidebar: 44px touch targets on icon-only items */
@media (min-width: 601px) and (max-width: 1024px) {
  .nav-item { min-height: 44px; }
  #logoutBtn { justify-content: center; padding: 0.75rem; min-height: 44px; }
}

/* FIX T3 — Controls row wraps at tablet portrait */
@media (min-width: 601px) and (max-width: 820px) {
  .controls-row { flex-wrap: wrap; gap: 0.5rem; }
  .controls-row select.form-select,
  .controls-row input[type="date"] {
    flex: 1 1 140px;
    min-width: 120px;
  }
}

/* FIX T4 — Tablet landscape: grid-3 drops to 2 columns */
@media (min-width: 769px) and (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* FIX D1 — Laptop: max-width on content from 1025px */
@media (min-width: 1025px) {
  .page-content { max-width: 1280px; }
}

/* FIX T5 — Balance hero: fluid font */
.balance-hero .bal-amount {
  font-size: clamp(1.8rem, 5vw, 3rem);
}

/* GLOBAL — Mobile buttons: 44px touch targets */
@media (max-width: 600px) {
  .btn-sm { min-height: 44px; padding: 0.6rem 0.85rem; }
  .btn-icon { width: 44px; height: 44px; }
  .control-btn { min-height: 44px; padding: 0.6rem 1rem; }
}

/* GLOBAL — Table scroll hint gradient */
@media (max-width: 600px) {
  .table-wrap { position: relative; }
  .table-wrap::after {
    content: '';
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 32px;
    background: linear-gradient(to right, transparent, var(--bg-card));
    pointer-events: none;
    border-radius: 0 var(--radius) var(--radius) 0;
  }
}

/* GLOBAL — Accessible keyboard focus ring */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
select:focus:not(:focus-visible) {
  outline: none;
}