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

/* ========================
   RESET & ROOT
======================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --purple:       #7c3aed;
  --purple-dark:  #5b21b6;
  --blue:         #3b82f6;
  --bg:           #f0f4ff;
  --text:         #1e1b4b;
  --text-muted:   #6b7280;
  --card-bg:      rgba(255, 255, 255, 0.92);
  --border:       rgba(124, 58, 237, 0.12);
  --shadow-sm:    0 4px 16px rgba(124, 58, 237, 0.07);
  --shadow-md:    0 10px 30px rgba(124, 58, 237, 0.1);
  --radius:       14px;
  --radius-lg:    20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: linear-gradient(155deg, 
    #f0e0ff 0%, 
    #dac8ff 32%, 
    #c0ccff 62%, 
    #d8eeff 100%) fixed;
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
}
/* ========================
   NAVBAR
======================== */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(240, 244, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-family: 'Sora', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--purple);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.tagline {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
  font-family: 'DM Sans', sans-serif;
  margin-top: 2px;
}

/* Nav links */
.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links li {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
}

.nav-links a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s;
}

.nav-links li:hover > a,
.nav-links li.active > a {
  color: var(--purple);
}

.nav-links li::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--purple);
  border-radius: 2px;
  transition: width 0.25s ease;
}

.nav-links li:hover::after,
.nav-links li.active::after {
  width: 100%;
}

.icon-link a {
  font-size: 1.1rem;
  padding: 6px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.icon-link a:hover {
  background: rgba(124, 58, 237, 0.08);
}

/* ========================
   HAMBURGER TOGGLE
   Always hidden on desktop.
   common.css is the single source of truth — 
   NO other stylesheet should declare .menu-toggle { display:none }
======================== */
.menu-toggle {
  display: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--purple);
  background: none;
  border: none;
  padding: 4px 8px;
  border-radius: 8px;
  transition: background 0.2s;
  line-height: 1;
  /* Prevent the element from ever being swallowed by flex layout */
  flex-shrink: 0;
}

.menu-toggle:hover {
  background: rgba(124, 58, 237, 0.08);
}

/* ========================
   DASHBOARD CONTAINER
======================== */
.dashboard {
  max-width: 1100px;
  margin: 1.5rem auto;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

/* ========================
   CARDS
======================== */
.card {
  background: var(--card-bg);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.card h3 {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.amount {
  font-family: 'Sora', sans-serif;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
}
.amount.expense { color: #ef4444; }

/* ========================
   BOX
======================== */
.box {
  background: var(--card-bg);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}
.box:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.box h2 {
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.box p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ========================
   INPUTS & SELECTS
======================== */
input, select, textarea {
  width: 100%;
  font-size: 0.9rem;
  font-family: 'DM Sans', sans-serif;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  background: #fff;
  color: var(--text);
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
  -webkit-appearance: none;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

input::placeholder { color: #9ca3af; }

/* ========================
   BUTTONS
======================== */
button {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.65rem 1.2rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary,
.expense-form button,
.extra-form button,
.add-btn,
.save-btn {
  background: var(--purple);
  color: #fff;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}

.btn-primary:hover,
.expense-form button:hover,
.extra-form button:hover,
.add-btn:hover,
.save-btn:hover {
  background: var(--purple-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.35);
}

/* ========================
   PAGE TITLE
======================== */
.page-title {
  font-family: 'Sora', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 1.25rem;
}

/* ========================
   UTILITY
======================== */
.hidden { display: none !important; }

.empty {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1rem 0;
}

/* ========================
   MOBILE  ≤ 768px
======================== */
@media (max-width: 768px) {

  /* --- Navbar --- */
  .navbar {
    flex-wrap: wrap;
    padding: 0.875rem 1rem;
    gap: 0;
    /* logo + toggle sit on the same row */
    align-items: center;
  }

  .logo {
    font-size: 1.15rem;
    flex: 1;          /* takes all space left of the toggle */
  }

  /* THE FIX: show the hamburger on mobile */
  .menu-toggle {
    display: block;
  }

  /* Nav dropdown: hidden by default, revealed by JS adding .active */
  .nav-links {
    display: none;
    flex-direction: column;
    width: 100%;
    gap: 0;
    margin-top: 0.75rem;
    border-top: 1px solid var(--border);
    padding-top: 0.5rem;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links li::after {
    display: none;   /* underline indicator not needed in dropdown */
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 0.7rem 0.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
  }

  .nav-links a:hover {
    background: rgba(124, 58, 237, 0.06);
    color: var(--purple);
  }

  .icon-link {
    display: inline-flex;
  }

  .icon-link a {
    padding: 0.7rem 0.5rem;
    width: 100%;
    border-radius: 8px;
  }

  /* --- Layout --- */
  .dashboard {
    margin: 0.75rem;
    padding: 1rem;
    border-radius: var(--radius);
  }

  .cards {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .card { width: 100%; }
  .amount { font-size: 1.5rem; }

  .main {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .box { width: 100%; }

  /* Buttons full-width on mobile (except explicitly sized ones) */
  .btn-primary, .add-btn, .save-btn { width: 100%; }

  #spendingChart { max-width: 100%; height: auto !important; }

  .form-group { flex-direction: column; }

  .expense-form button,
  .extra-form button {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .dashboard { margin: 0.5rem; padding: 0.75rem; }
  .card  { padding: 1rem; }
  .box   { padding: 1rem; }
  .amount { font-size: 1.35rem; }
}
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #16a34a;        /* default green — overridden inline for error/info */
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 100px;       /* pill shape, matches your design */
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  z-index: 99999;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
/* ============================================================
   BOTTOM NAV — Mobile only (≤ 768px)
   Fixed to bottom, always visible while scrolling.
   Desktop: hidden entirely.
============================================================ */

/* ── The bar itself ── */
.bottom-nav {
  display: none; /* hidden on desktop */
}

@media (max-width: 768px) {

  /* Hide the hamburger toggle on mobile — bottom nav replaces it */
  .menu-toggle {
    display: none !important;
  }

  /* Hide top nav links on mobile — bottom nav replaces them */
  .nav-links {
    display: none !important;
  }

  /* Push page content up so it doesn't hide behind the fixed bar */
  body {
    padding-bottom: 70px;
  }

  /* ── Bar ── */
  .bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 62px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid rgba(124, 58, 237, 0.1);
    box-shadow: 0 -4px 20px rgba(124, 58, 237, 0.08);
    z-index: 500;
    align-items: center;
    justify-content: space-around;
    padding: 0 4px;
    padding-bottom: env(safe-area-inset-bottom); /* iPhone notch support */
  }

  /* ── Each tab button ── */
  .bn-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    flex: 1;
    height: 100%;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 4px 4px;
    border-radius: 0;
    color: #94a3b8;
    font-size: 10px;
    font-family: 'DM Sans', system-ui, sans-serif;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
    -webkit-tap-highlight-color: transparent;
    position: relative;
  }

  /* Icon size */
  .bn-icon {
    font-size: 22px;
    line-height: 1;
    transition: transform 0.2s;
  }

  /* Label */
  .bn-label {
    font-size: 10px;
    line-height: 1;
  }

  /* Active state */
  .bn-btn.bn-active {
    color: var(--purple);
  }

  .bn-btn.bn-active .bn-icon {
    transform: translateY(-1px);
  }

  /* Active indicator dot */
  .bn-btn.bn-active::after {
    content: '';
    position: absolute;
    top: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--purple);
    border-radius: 50%;
  }

  /* ── Overlay behind the More sheet ── */
  .bn-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 600;
    backdrop-filter: blur(2px);
  }

  .bn-overlay.open {
    display: block;
  }

  /* ── More bottom sheet ── */
  .bn-more-sheet {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #ffffff;
    border-radius: 24px 24px 0 0;
    z-index: 700;
    padding: 12px 0 calc(80px + env(safe-area-inset-bottom)) 0;
    transform: translateY(100%);
    transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
    box-shadow: 0 -8px 40px rgba(124, 58, 237, 0.15);
  }

  .bn-more-sheet.open {
    transform: translateY(0);
  }

  /* Drag handle */
  .bn-sheet-handle {
    width: 40px;
    height: 4px;
    background: #e2e8f0;
    border-radius: 4px;
    margin: 0 auto 16px;
  }

  /* "MORE" label */
  .bn-sheet-title {
    font-size: 11px;
    font-weight: 700;
    color: #94a3b8;
    letter-spacing: 1.5px;
    padding: 0 24px 8px;
    text-transform: uppercase;
  }

  /* Each row in the sheet */
  .bn-sheet-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #1e293b;
    text-decoration: none;
    background: none;
    border: none;
    width: 100%;
    cursor: pointer;
    font-family: 'DM Sans', system-ui, sans-serif;
    transition: background 0.15s;
    -webkit-tap-highlight-color: transparent;
    border-bottom: 1px solid #f1f5f9;
  }

  .bn-sheet-item:last-child {
    border-bottom: none;
  }

  .bn-sheet-item:active {
    background: #f8fafc;
  }

  /* Icon bubble */
  .bn-sheet-icon {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: rgba(124, 58, 237, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
  }

  /* Logout special styling */
  .bn-sheet-item.bn-logout-item {
    color: #ef4444;
  }

  .bn-sheet-item.bn-logout-item .bn-sheet-icon {
    background: rgba(239, 68, 68, 0.08);
  }

} /* end @media (max-width: 768px) */
/* Hide bottom nav elements completely on desktop */
@media (min-width: 769px) {
  .bottom-nav,
  .bn-overlay,
  .bn-more-sheet {
    display: none !important;
  }
}