/* ===== ROOT VARIABLES ===== */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #e0e7ff;
  --secondary: #8b5cf6;
  --income-color: #10b981;
  --savings-color: #f59e0b;
  --expense-color: #ef4444;
  --balance-color: #6366f1;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --sidebar-bg: #1e1b4b;
  --sidebar-text: #c7d2fe;
  --sidebar-active: #6366f1;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(99,102,241,0.08);
  --shadow-lg: 0 8px 40px rgba(99,102,241,0.15);
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

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

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

/* ===== SIDEBAR ===== */
.sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0; top: 0; bottom: 0;
  z-index: 200;
  transition: var(--transition);
  box-shadow: 4px 0 24px rgba(0,0,0,0.18);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}
.logo i { font-size: 1.5rem; color: var(--primary); }

.sidebar-close { display: none; background: none; border: none; color: var(--sidebar-text); font-size: 1.3rem; cursor: pointer; }

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: var(--transition);
}
.nav-item i { width: 20px; font-size: 1rem; }
.nav-item:hover { background: rgba(99,102,241,0.15); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; box-shadow: 0 4px 12px rgba(99,102,241,0.4); }

.sidebar-footer {
  padding: 16px 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.07);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sidebar-footer label { color: var(--sidebar-text); font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; display: flex; align-items: center; gap: 6px; margin-bottom: 4px; }
.sidebar-footer input {
  width: 100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 8px 12px;
  color: #fff;
  font-size: 0.88rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  transition: var(--transition);
}
.sidebar-footer input:focus { border-color: var(--primary); background: rgba(99,102,241,0.15); }

/* ===== MAIN LAYOUT ===== */
.main-layout {
  margin-left: 260px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  transition: var(--transition);
}

/* ===== TOP BAR ===== */
.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}
.hamburger { display: none; background: none; border: none; font-size: 1.3rem; color: var(--text-primary); cursor: pointer; }
.topbar-title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.family-badge, .month-badge {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== PAGES ===== */
.page { display: none; padding: 32px; }
.page.active { display: block; }

.page-intro { margin-bottom: 28px; }
.page-intro h1 { font-size: 1.8rem; font-weight: 800; color: var(--text-primary); margin-bottom: 4px; }
.page-intro p { color: var(--text-secondary); font-size: 0.95rem; }

/* ===== CARDS ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.card-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.income-card .card-icon { background: #d1fae5; color: var(--income-color); }
.savings-card .card-icon { background: #fef3c7; color: var(--savings-color); }
.expense-card .card-icon { background: #fee2e2; color: var(--expense-color); }
.balance-card .card-icon { background: var(--primary-light); color: var(--primary); }

.card-body p { font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.4px; }
.card-body h2 { font-size: 1.6rem; font-weight: 800; color: var(--text-primary); }
.card-sub { font-size: 0.78rem; color: var(--text-secondary); }

.balance-card.positive .card-icon { background: #d1fae5; color: var(--income-color); }
.balance-card.negative .card-icon { background: #fee2e2; color: var(--expense-color); }

/* ===== METRICS ROW ===== */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.metric-box {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow);
}
.metric-box > i { font-size: 1.4rem; color: var(--primary); background: var(--primary-light); width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.metric-box p { font-size: 0.75rem; color: var(--text-secondary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 2px; }
.metric-box h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }

/* ===== CHARTS ===== */
.charts-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.chart-box {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.chart-box h3 { font-size: 0.95rem; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; }
.chart-wrap { height: 220px; position: relative; }
.chart-wrap-bar { height: 280px; position: relative; }
.chart-box.full-width { margin-bottom: 0; }

/* ===== FORM SECTION ===== */
.form-section { margin-bottom: 28px; }

.form-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.form-card h3 { font-size: 1rem; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.form-card h3 i { color: var(--primary); }

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.4px; }
.form-group input, .form-group select {
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  background: var(--bg);
  outline: none;
  transition: var(--transition);
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  padding: 11px 24px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
  box-shadow: 0 4px 12px rgba(99,102,241,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(99,102,241,0.4); }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--card-bg);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  font-family: 'Inter', sans-serif;
}
.btn-secondary:hover { background: var(--primary-light); }

/* ===== TABLE ===== */
.table-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.table-section h3 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }

.badge {
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
thead th {
  background: var(--bg);
  padding: 10px 14px;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom: 1px solid var(--border);
}
tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--bg); }

.empty-row td { text-align: center; color: var(--text-secondary); padding: 40px; font-size: 0.9rem; }

.delete-btn {
  background: none;
  border: 1.5px solid #fca5a5;
  color: var(--expense-color);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: var(--transition);
}
.delete-btn:hover { background: #fee2e2; }

.risk-badge, .priority-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 600;
}
.risk-low { background: #d1fae5; color: #065f46; }
.risk-medium { background: #fef3c7; color: #92400e; }
.risk-high { background: #fee2e2; color: #991b1b; }
.priority-essential { background: #fee2e2; color: #991b1b; }
.priority-important { background: #fef3c7; color: #92400e; }
.priority-optional { background: #d1fae5; color: #065f46; }

.table-total {
  padding: 14px 14px 0;
  text-align: right;
  font-size: 1rem;
  color: var(--text-secondary);
  border-top: 2px solid var(--border);
  margin-top: 8px;
}
.table-total strong { font-size: 1.2rem; color: var(--text-primary); margin-left: 8px; }

/* ===== REPORTS ===== */
.health-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.health-card, .rule-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.health-card h3, .rule-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.health-card h3 i { color: var(--expense-color); }
.rule-card h3 i { color: var(--primary); }

.health-score-wrap { display: flex; align-items: center; gap: 20px; margin-bottom: 16px; }
.health-score { font-size: 3.5rem; font-weight: 900; color: var(--primary); }
.health-label { font-size: 0.9rem; color: var(--text-secondary); font-weight: 500; }

.health-meter {
  background: var(--border);
  border-radius: 99px;
  height: 10px;
  margin-bottom: 16px;
  overflow: hidden;
}
.health-fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--expense-color), var(--savings-color), var(--income-color));
  transition: width 0.8s ease;
}

.health-tips { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.7; }
.health-tips li { list-style: none; padding-left: 16px; position: relative; }
.health-tips li::before { content: "•"; position: absolute; left: 0; color: var(--primary); }

.rule-grid { display: flex; flex-direction: column; gap: 16px; }
.rule-item p { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.rule-bar { background: var(--border); border-radius: 99px; height: 8px; margin-bottom: 4px; overflow: hidden; }
.rule-fill { height: 100%; border-radius: 99px; transition: width 0.8s ease; }
.needs .rule-fill { background: var(--expense-color); }
.wants .rule-fill { background: var(--savings-color); }
.savings-rule .rule-fill { background: var(--income-color); }
.rule-vals { display: flex; justify-content: space-between; font-size: 0.82rem; }
.rule-vals span { font-weight: 700; color: var(--text-primary); }
.rule-vals small { color: var(--text-secondary); }

.top-cats {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.top-cat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg);
  border-radius: 10px;
  padding: 12px 16px;
}
.top-cat-item .cat-bar-wrap { flex: 1; background: var(--border); border-radius: 99px; height: 6px; overflow: hidden; }
.top-cat-item .cat-bar { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--primary), var(--secondary)); }
.top-cat-item .cat-name { font-size: 0.85rem; font-weight: 600; width: 180px; }
.top-cat-item .cat-amt { font-size: 0.88rem; font-weight: 700; color: var(--expense-color); width: 100px; text-align: right; }

.category-summary {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 24px;
}
.category-summary h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }

.action-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* ===== TOAST ===== */
.toast {
  position: fixed;
  bottom: 28px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--sidebar-bg);
  color: #fff;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  opacity: 0;
  transition: all 0.35s ease;
  z-index: 9999;
  pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-row { grid-template-columns: repeat(2, 1fr); }
  .charts-row { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close { display: block; }
  .main-layout { margin-left: 0; }
  .hamburger { display: block; }
  .health-section { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .page { padding: 20px 16px; }
  .cards-grid { grid-template-columns: 1fr; }
  .metrics-row { grid-template-columns: 1fr 1fr; }
  .charts-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .topbar { padding: 0 16px; }
  .topbar-right { display: none; }
}

/* ===== PRINT ===== */
@media print {
  .sidebar, .topbar, .form-section, .action-row, .delete-btn { display: none !important; }
  .main-layout { margin-left: 0; }
  .page { display: block !important; }
}

/* ===== AMOUNT COLORS ===== */
.amt-income { color: var(--income-color); font-weight: 700; }
.amt-savings { color: var(--savings-color); font-weight: 700; }
.amt-expense { color: var(--expense-color); font-weight: 700; }

/* ===== LOGIN SCREEN ===== */
.login-screen {
  position: fixed;
  inset: 0;
  background: var(--sidebar-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.login-screen.hidden { display: none; }

.login-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px 36px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  text-align: center;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
}
.login-logo i { font-size: 2rem; color: var(--primary); }
.login-logo h2 { font-size: 1.4rem; font-weight: 800; color: var(--text-primary); }

.login-hint { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 16px; }

.login-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 10px;
  font-size: 1.1rem;
  font-family: 'Inter', sans-serif;
  outline: none;
  margin-bottom: 12px;
  text-align: center;
  letter-spacing: 4px;
  transition: var(--transition);
}
.login-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }

.login-btn { width: 100%; justify-content: center; margin-bottom: 8px; }

.login-error {
  color: var(--expense-color);
  font-size: 0.85rem;
  min-height: 20px;
  margin-top: 4px;
}

.user-buttons { display: flex; flex-direction: column; gap: 12px; }

.user-btn {
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.user-1-btn:hover { border-color: #1d4ed8; background: #dbeafe; color: #1d4ed8; }
.user-2-btn:hover { border-color: #be185d; background: #fce7f3; color: #be185d; }

/* ===== USER BADGES ===== */
.user-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 600;
}
.user-badge.user-1 { background: #dbeafe; color: #1d4ed8; }
.user-badge.user-2 { background: #fce7f3; color: #be185d; }

/* ===== TOPBAR USER ===== */
.topbar-user {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  transition: var(--transition);
}
.topbar-user:hover { opacity: 0.8; }
.topbar-user.user-1 { background: #dbeafe; color: #1d4ed8; }
.topbar-user.user-2 { background: #fce7f3; color: #be185d; }

/* ===== LOCK BUTTON ===== */
.lock-btn {
  width: 100%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  color: var(--sidebar-text);
  padding: 9px 12px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.lock-btn:hover { background: rgba(255,255,255,0.14); color: #fff; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }