/* style.css - Premium Glassmorphism Design */

:root {
  /* Enhanced Color Palette */
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-gradient-start: #1e3a8a;
  --bg-gradient-end: #312e81;

  /* Glassmorphism Variables - Enhanced */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-hover: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-blur: blur(20px);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Text Colors */
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  /* Accent Colors */
  --accent-primary: #60a5fa;
  --accent-secondary: #818cf8;
  --accent-success: #34d399;
  --accent-warning: #fbbf24;
  --accent-danger: #f87171;

  /* Gradient Accents */
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  background-image:
    radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 40% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
}

/* Animated Background Elements */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(circle, rgba(99, 102, 241, 0.05) 2px, transparent 2px),
    radial-gradient(circle, rgba(139, 92, 246, 0.05) 2px, transparent 2px);
  background-size: 50px 50px;
  background-position: 0 0, 25px 25px;
  animation: backgroundMove 60s linear infinite;
  pointer-events: none;
  z-index: 0;
}

@keyframes backgroundMove {
  0% {
    transform: translate(0, 0);
  }

  100% {
    transform: translate(50px, 50px);
  }
}

/* LAYOUT CONTAINER */
.app-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  flex-grow: 1;
  position: relative;
  z-index: 1;
}

/* HEADER */
header {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 24px 28px;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
      transparent 0%,
      var(--accent-primary) 50%,
      transparent 100%);
  opacity: 0.6;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.btn-icon {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 10px 18px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.btn-icon:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(96, 165, 250, 0.2);
}

.btn-icon i {
  font-size: 1rem;
}

/* CARDS - Premium Glassmorphism */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.3) 50%,
      transparent 100%);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow:
    var(--glass-shadow),
    0 0 40px rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

/* TOTAL CARD - Hero Card */
.total-card {
  background: linear-gradient(135deg,
      rgba(99, 102, 241, 0.15) 0%,
      rgba(139, 92, 246, 0.15) 100%);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.total-card::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.card-header span,
.card h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.total-amount {
  font-size: 3.5rem;
  font-weight: 800;
  margin: 16px 0 8px 0;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -2px;
  position: relative;
  z-index: 1;
  text-shadow: 0 4px 20px rgba(96, 165, 250, 0.3);
}

.budget-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 12px 0;
  padding: 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  z-index: 1;
}

.budget-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}

.budget-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.budget-value {
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.1rem;
}

.budget-diff {
  font-weight: 700;
  font-size: 1.1rem;
}

.budget-diff.positive {
  color: var(--accent-success);
}

.budget-diff.negative {
  color: var(--accent-danger);
}

.total-status {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  position: relative;
  z-index: 1;
}

/* CHART CARDS */
.chart-card {
  min-height: 350px;
}

.chart-wrapper {
  position: relative;
  height: 280px;
  width: 100%;
  margin-top: 16px;
}

/* TRANSACTIONS SECTION */
.transactions-section {
  min-height: 500px;
}

.transactions-section h3,
.summary-card h3 {
  margin-bottom: 20px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.transactions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  padding-right: 8px;
  flex-grow: 1;
}

/* Custom Scrollbar */
.transactions-list::-webkit-scrollbar,
.top-categories-list::-webkit-scrollbar {
  width: 6px;
}

.transactions-list::-webkit-scrollbar-track,
.top-categories-list::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
}

.transactions-list::-webkit-scrollbar-thumb,
.top-categories-list::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  transition: background 0.3s;
}

.transactions-list::-webkit-scrollbar-thumb:hover,
.top-categories-list::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

.transaction-item {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.2s ease;
}

.transaction-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.store-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 14px;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.store-logo img,
.store-logo i {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.store-logo i {
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.transaction-info {
  flex-grow: 1;
  min-width: 0;
}

.t-store {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 2px;
}

.t-date {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.transaction-amount {
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent-danger);
  flex-shrink: 0;
}

/* SUMMARY CARD - Categories with Budget */
.summary-card {
  min-height: 500px;
}

.top-categories-list {
  flex-grow: 1;
  overflow-y: auto;
  padding-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-right: 8px;
}

.category-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
  cursor: pointer;
}

.category-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.category-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.category-name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.category-total {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.category-budget-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
}

.category-budget-label {
  color: var(--text-muted);
}

.category-budget-value {
  color: var(--text-secondary);
  font-weight: 600;
}

.category-diff {
  font-weight: 600;
  font-size: 0.9rem;
}

.category-diff.positive {
  color: var(--accent-success);
}

.category-diff.negative {
  color: var(--accent-danger);
}

.category-bar-wrapper {
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.category-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.category-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg,
      transparent 0%,
      rgba(255, 255, 255, 0.3) 50%,
      transparent 100%);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }

  100% {
    transform: translateX(100%);
  }
}

.loading-state {
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* RESPONSIVE - Desktop Bento Grid */
@media (min-width: 1025px) {
  .app-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: auto auto 1fr;
    gap: 24px;
    padding: 24px;
    max-width: 1800px;
    margin: 0 auto;
  }

  header {
    grid-column: 1 / -1;
  }

  .total-card {
    grid-column: 1 / 2;
    grid-row: 2 / 3;
  }

  .card:nth-of-type(2) {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
  }

  .card:nth-of-type(3) {
    grid-column: 3 / 4;
    grid-row: 2 / 3;
  }

  .transactions-section {
    grid-column: 1 / 3;
    grid-row: 3 / 4;
    min-height: 0;
  }

  .summary-card {
    grid-column: 3 / 4;
    grid-row: 3 / 4;
    min-height: 0;
  }
}

/* RESPONSIVE - Tablet */
@media (min-width: 768px) and (max-width: 1024px) {
  .app-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .total-card {
    grid-column: 1 / -1;
  }
}

/* RESPONSIVE - Mobile */
@media (max-width: 767px) {
  .app-container {
    padding: 16px;
    gap: 16px;
  }

  .card {
    padding: 20px;
  }

  .total-amount {
    font-size: 2.5rem;
  }

  header h1 {
    font-size: 1.5rem;
  }
}