/* ============================================================
   Business Finance Manager — Premium Theme
   ============================================================ */

:root {
  --bg-body: #f3f4f9;
  --bg-card: #ffffff;
  --border-color: #e8e9f3;
  --text-main: #1f2233;
  --text-muted: #7b7f95;

  --primary: #5b3df0;
  --primary-dark: #4529d6;
  --primary-light: #7c5cff;
  --accent-gold: #eab308;

  --sidebar-width: 258px;
  --sidebar-bg-1: #14102b;
  --sidebar-bg-2: #241a4f;

  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;

  --shadow-soft: 0 4px 18px rgba(30, 20, 80, 0.06);
  --shadow-card: 0 10px 30px rgba(30, 20, 80, 0.08);
  --shadow-lift: 0 16px 36px rgba(91, 61, 240, 0.16);
}

* { scrollbar-width: thin; scrollbar-color: #cfd2e6 transparent; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #cfd2e6; border-radius: 10px; }

body {
  background: var(--bg-body);
  background-image:
    radial-gradient(circle at 100% 0%, rgba(91, 61, 240, 0.05), transparent 40%),
    radial-gradient(circle at 0% 100%, rgba(234, 179, 8, 0.05), transparent 40%);
  background-attachment: fixed;
  font-family: 'Poppins', 'Segoe UI', Roboto, Arial, sans-serif;
  color: var(--text-main);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 { font-weight: 600; letter-spacing: -0.01em; }

a { text-decoration: none; }

/* ---------- Top Navbar ---------- */
.top-navbar {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.65rem 1.25rem;
  box-shadow: 0 2px 16px rgba(20, 16, 43, 0.05);
  position: sticky;
  top: 0;
  z-index: 1030;
}

.top-navbar .navbar-brand {
  font-weight: 700;
  font-size: 1.15rem;
  background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 55%, var(--accent-gold) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.top-navbar .navbar-brand i {
  -webkit-text-fill-color: var(--primary);
  color: var(--primary);
  font-size: 1.3rem;
}

.top-navbar .btn-outline-secondary {
  border-radius: var(--radius-sm);
  border-color: var(--border-color);
}

.top-navbar .badge {
  border-radius: 20px;
  font-weight: 500;
  padding: 0.35em 0.7em;
  font-size: 0.7rem;
  letter-spacing: 0.02em;
}

.top-navbar .btn-outline-danger {
  border-radius: var(--radius-sm);
  transition: all .18s ease;
}
.top-navbar .btn-outline-danger:hover { transform: translateY(-1px); box-shadow: 0 6px 14px rgba(230,57,70,0.18); }

/* ---------- Layout Wrapper ---------- */
.app-wrapper {
  display: flex;
  min-height: calc(100vh - 62px);
}

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-width);
  background: linear-gradient(190deg, var(--sidebar-bg-2) 0%, var(--sidebar-bg-1) 100%);
  border-right: 1px solid rgba(255,255,255,0.04);
  padding-top: 1.1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 62px;
  height: calc(100vh - 62px);
  flex-shrink: 0;
  transition: transform 0.28s cubic-bezier(.4,0,.2,1);
  z-index: 1020;
  overflow-y: auto;
}

.sidebar .nav-link {
  color: rgba(255,255,255,0.68);
  padding: 0.68rem 1.25rem;
  font-size: 0.92rem;
  border-left: 3px solid transparent;
  border-radius: 0 30px 30px 0;
  margin: 0.06rem 0.5rem 0.06rem 0;
  transition: all 0.18s ease;
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.sidebar .nav-link i {
  width: 22px;
  display: inline-block;
  font-size: 1.02rem;
}

.sidebar .nav-link:hover {
  background: rgba(255,255,255,0.06);
  color: #ffffff;
  transform: translateX(2px);
}

.sidebar .nav-link.active {
  background: linear-gradient(90deg, rgba(91,61,240,0.55), rgba(91,61,240,0.12));
  color: #ffffff;
  border-left-color: var(--accent-gold);
  font-weight: 600;
  box-shadow: inset 0 0 20px rgba(91,61,240,0.15);
}

.sidebar-section-label {
  display: block;
  padding: 0.9rem 1.25rem 0.3rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: rgba(255,255,255,0.35);
  font-weight: 700;
}

.sidebar .btn-outline-secondary {
  color: rgba(255,255,255,0.75);
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.03);
  border-radius: var(--radius-sm);
}
.sidebar .btn-outline-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.35);
}

.sidebar-overlay { display: none; }

/* ---------- Main Content ---------- */
.main-content {
  flex-grow: 1;
  min-width: 0;
}

/* ---------- Summary Cards ---------- */
.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  height: 100%;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.summary-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
}

.summary-card .icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  color: #fff;
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
}

.summary-card .value {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.bg-icon-income   { background: linear-gradient(135deg, #2ec4b6, #12a594); }
.bg-icon-expense  { background: linear-gradient(135deg, #ff6b7a, #e63946); }
.bg-icon-profit   { background: linear-gradient(135deg, #7c5cff, #5b3df0); }
.bg-icon-invest   { background: linear-gradient(135deg, #ffb347, #f4a261); }
.bg-icon-loan     { background: linear-gradient(135deg, #a349e6, #7209b7); }

/* ---------- Cards / Tables ---------- */
.card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.card-header {
  background: #fff;
  border-bottom: 1px solid var(--border-color);
  font-weight: 600;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
  padding: 0.9rem 1.25rem;
}

.table thead th {
  background-color: #f8f8fd;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-color);
  font-weight: 700;
}

.table tbody tr { transition: background 0.12s ease; }
.table tbody tr:hover { background-color: #f8f7ff; }

/* ---------- Buttons ---------- */
.btn { border-radius: var(--radius-sm); font-weight: 500; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border: none;
  box-shadow: 0 6px 16px rgba(91, 61, 240, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary:hover, .btn-primary:focus {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(91, 61, 240, 0.34);
}

.btn-outline-primary { border-color: var(--primary); color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary); border-color: var(--primary); }

/* ---------- Forms ---------- */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--border-color);
  padding: 0.55rem 0.85rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 0.2rem rgba(91, 61, 240, 0.15);
}
.form-label { font-weight: 500; font-size: 0.88rem; color: var(--text-main); }

/* ---------- Badges & Alerts ---------- */
.badge { border-radius: 20px; font-weight: 500; }
.alert { border-radius: var(--radius-md); border: none; box-shadow: var(--shadow-soft); }

/* ---------- Tabs (Settings pages etc.) ---------- */
.nav-tabs { border-bottom: 1px solid var(--border-color); }
.nav-tabs .nav-link {
  border: none;
  color: var(--text-muted);
  font-weight: 500;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  padding: 0.65rem 1.1rem;
}
.nav-tabs .nav-link.active {
  color: var(--primary);
  background: #f5f4ff;
  border-bottom: 2px solid var(--primary);
}

/* ---------- Login Page ---------- */
.login-page-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 20% 20%, #2b1f66, #14102b 60%);
  padding: 1.25rem;
}
.login-card {
  max-width: 400px;
  width: 100%;
  background: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px rgba(0,0,0,0.35);
  border: none;
}
.login-card .brand-icon {
  width: 60px; height: 60px;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 0.75rem;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff; font-size: 1.6rem;
  box-shadow: 0 10px 24px rgba(91,61,240,0.35);
}

/* ---------- Mobile Bottom Nav ---------- */
.mobile-bottom-nav {
  display: none;
}

/* ---------- Responsive Sidebar (Mobile) ---------- */
@media (max-width: 991.98px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 62px;
    transform: translateX(-100%);
    box-shadow: 4px 0 24px rgba(0,0,0,0.25);
    height: calc(100vh - 62px);
  }
  .sidebar.show { transform: translateX(0); }
  .sidebar-overlay.show {
    display: block;
    position: fixed;
    inset: 62px 0 0 0;
    background: rgba(10, 8, 25, 0.5);
    backdrop-filter: blur(2px);
    z-index: 1010;
  }

  .main-content .container-fluid { padding-bottom: 5.5rem !important; }

  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(14px);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 -6px 20px rgba(20,16,43,0.08);
    z-index: 1025;
    padding: 0.35rem 0.25rem;
    justify-content: space-around;
  }
  .mobile-bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 500;
    flex: 1;
    padding: 0.3rem 0;
    border-radius: var(--radius-sm);
  }
  .mobile-bottom-nav a i { font-size: 1.25rem; }
  .mobile-bottom-nav a.active { color: var(--primary); }
  .mobile-bottom-nav a.mbn-highlight {
    color: #fff;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    margin: -0.15rem 0.2rem;
    border-radius: 14px;
    box-shadow: 0 8px 18px rgba(91,61,240,0.35);
  }
}

@media (max-width: 575.98px) {
  .summary-card .value { font-size: 1.3rem; }
  .top-navbar .navbar-brand { font-size: 1rem; }
  .card-body { padding: 1rem; }
  .table-responsive { font-size: 0.88rem; }
}