/* ==========================================================================
   Project: SmartExpense Tracker
   Developer: Shakshi
   Theme: Vibrant Rose-Pink & Lavender Soft Glass
   ========================================================================== */

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

:root {
  /* Vibrant Light Theme Palette */
  --bg-gradient: linear-gradient(135deg, #fff2f7 0%, #f5e8ff 50%, #fde8f3 100%);
  --card-bg: rgba(255, 255, 255, 0.92);
  --card-border: rgba(244, 114, 182, 0.25);
  
  --text-primary: #2a0e28;
  --text-secondary: #6e4d6c;
  
  --primary-pink: #f43f5e;
  --accent-purple: #9333ea;
  --accent-rose: #e11d48;
  --success-emerald: #10b981;
  
  --glass-shadow: 0 10px 30px rgba(244, 63, 94, 0.08), 0 4px 12px rgba(147, 51, 234, 0.05);
  --nav-bg: rgba(255, 255, 255, 0.94);
  --input-bg: #ffffff;
}

[data-theme="dark"] {
  /* Rich Dark Velvet Theme Palette */
  --bg-gradient: linear-gradient(135deg, #1c081e 0%, #0d111e 100%);
  --card-bg: rgba(35, 18, 42, 0.88);
  --card-border: rgba(244, 114, 182, 0.35);
  
  --text-primary: #fff0f6;
  --text-secondary: #e879f9;
  
  --nav-bg: rgba(28, 8, 30, 0.94);
  --input-bg: rgba(45, 22, 54, 0.9);
  --glass-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
}

/* Base Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', sans-serif;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html, body {
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
}

body {
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
}

/* Layout Container */
.container {
  width: 92%;
  max-width: 1180px;
  margin: 28px auto;
  flex: 1;
}

/* Modern Card Box */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1.5px solid var(--card-border);
  border-radius: 22px;
  box-shadow: var(--glass-shadow);
  padding: 26px;
}

/* Header Navbar */
.navbar {
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1.5px solid var(--card-border);
  padding: 1rem 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(45deg, var(--primary-pink), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Stylish Pill Buttons */
.btn {
  padding: 10px 22px;
  border-radius: 50px;
  border: none;
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-pink), var(--accent-purple));
  color: #ffffff !important;
  box-shadow: 0 4px 15px rgba(244, 63, 94, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(244, 63, 94, 0.45);
}

.btn-secondary {
  background: rgba(244, 63, 94, 0.08);
  border: 1.5px solid var(--primary-pink);
  color: var(--primary-pink) !important;
}

.btn-secondary:hover {
  background: var(--primary-pink);
  color: #ffffff !important;
}

.shakshi-tag {
  display: inline-block;
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.15), rgba(147, 51, 234, 0.15));
  border: 1px solid var(--primary-pink);
  color: var(--primary-pink);
  padding: 5px 16px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 12px;
}

/* Dashboard Stat Cards Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.metric-card {
  text-align: center;
  padding: 24px 18px;
}

.metric-card h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  font-weight: 700;
}

.metric-card .amount {
  font-size: 1.85rem;
  font-weight: 800;
}

.income-text { color: var(--success-emerald); }
.expense-text { color: var(--accent-rose); }
.balance-text { color: var(--accent-purple); }

/* Forms & Inputs */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1.5px solid var(--card-border);
  background: var(--input-bg);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
}

.form-control:focus {
  border-color: var(--primary-pink);
  box-shadow: 0 0 0 3.5px rgba(244, 63, 94, 0.18);
}

/* Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 550px;
}

th, td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.92rem;
}

th {
  background: rgba(244, 63, 94, 0.08);
  font-weight: 700;
  color: var(--text-primary);
}

/* Footer */
footer {
  background: var(--nav-bg);
  border-top: 1.5px solid var(--card-border);
  padding: 28px 5%;
  text-align: center;
  margin-top: auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--primary-pink);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .navbar { padding: 0.8rem 4%; }
  .logo { font-size: 1.2rem; }
  .nav-links { gap: 8px; }
  .nav-links a { font-size: 0.82rem; }
  .btn { padding: 8px 14px; font-size: 0.8rem; }
  .container { width: 94%; margin: 16px auto; }
  .glass-card { padding: 20px 16px; }
}