/* ==================================== */
/* 🚀 Global Reset & Design Variables   */
/* ==================================== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Color Palette */
  --clr-primary-500: #06b6d4;
  --clr-primary-400: #22d3ee;
  --clr-primary-600: #0891b2;
  --clr-accent-500: #a78bfa;
  --clr-accent-400: #c4b5fd;
  --clr-success-500: #10b981;
  --clr-danger-500: #f43f5e;
  --clr-warning-500: #f59e0b;

  /* Backgrounds & Surfaces */
  --clr-bg-dark: #090d24;
  --clr-bg-darker: #050816;
  --clr-surface: rgba(255, 255, 255, 0.04);
  --clr-surface-hover: rgba(255, 255, 255, 0.08);
  --clr-glass: rgba(17, 25, 40, 0.75);
  --clr-glass-border: rgba(255, 255, 255, 0.12);

  /* Text */
  --clr-text-primary: #f8fafc;
  --clr-text-secondary: #94a3b8;
  --clr-text-muted: #64748b;

  /* Shadows & Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --glow-primary: 0 0 20px rgba(6, 182, 212, 0.3);

  /* Radii & Spacing */
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 6px;

  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
}

/* ==================================== */
/* 🌌 Global Styles                     */
/* ==================================== */

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--clr-bg-dark);
  color: var(--clr-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  padding: var(--space-lg);
  overflow-x: hidden;
  position: relative;
}

/* Dynamic Ambient Glow */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 25% 20%, rgba(6, 182, 212, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 75% 80%, rgba(167, 139, 250, 0.15) 0%, transparent 50%),
    linear-gradient(180deg, var(--clr-bg-dark) 0%, var(--clr-bg-darker) 100%);
  z-index: -2;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(6, 182, 212, 0.02) 2px,
    rgba(6, 182, 212, 0.02) 4px
  );
  z-index: -1;
  pointer-events: none;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ==================================== */
/* ✨ Scrollbar                         */
/* ==================================== */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--clr-primary-500) transparent;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--clr-primary-500), var(--clr-accent-500));
  border-radius: var(--radius-sm);
  transition: 0.3s;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--clr-primary-400);
}

/* ==================================== */
/* 🧭 Navbar                            */
/* ==================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(17, 25, 40, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  animation: slideDown 0.6s ease;
}

.navbar__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.navbar__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.navbar__logo {
  font-size: 1.75rem;
  filter: drop-shadow(0 0 8px rgba(6, 182, 212, 0.4));
}

.navbar__title {
  background: linear-gradient(120deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

.navbar__menu {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__item {
  margin: 0;
}

.navbar__btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--clr-text-secondary);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.navbar__btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(6, 182, 212, 0.3);
  color: var(--clr-text-primary);
  transform: translateY(-2px);
}

.navbar__btn--primary {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-600));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 2px 12px rgba(6, 182, 212, 0.3);
}

.navbar__btn--primary:hover {
  box-shadow: 0 4px 20px rgba(6, 182, 212, 0.4);
  transform: translateY(-2px);
}

/* Add padding to body to account for fixed navbar */
body {
  padding-top: 80px;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-100%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Navbar */
@media (max-width: 768px) {
  .navbar__container {
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .navbar__menu {
    flex-wrap: wrap;
    gap: 8px;
  }

  .navbar__btn {
    padding: 8px 14px;
    font-size: 0.813rem;
  }

  .navbar__btn span[aria-hidden="true"] {
    display: none;
  }

  body {
    padding-top: 120px;
  }
}

@media (max-width: 480px) {
  .navbar__container {
    justify-content: center;
  }

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

  .navbar__menu {
    width: 100%;
    justify-content: center;
  }
}

/* ==================================== */
/* 🌠 Header                            */
/* ==================================== */
.app-header {
  text-align: center;
  padding: 60px 20px 60px;
}

.app-header__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -2px;
  background: linear-gradient(120deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInDown 1s ease;
}

.app-header__subtitle {
  color: var(--clr-text-secondary);
  margin-top: 8px;
  font-weight: 500;
  letter-spacing: 0.5px;
  animation: fadeIn 1.5s ease;
}

/* ==================================== */
/* 🧊 Card (Glassmorphic)               */
/* ==================================== */
.card {
  background: var(--clr-glass);
  backdrop-filter: blur(24px);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--glow-primary);
  border-color: rgba(6, 182, 212, 0.25);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--clr-primary-400), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.card:hover::before {
  opacity: 1;
}

/* ==================================== */
/* 📊 Stat Card                         */
/* ==================================== */
.stat-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
  position: relative;
}

.stat-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--clr-primary-500);
  box-shadow: var(--glow-primary), var(--shadow-md);
}

.stat-card__label {
  font-size: 0.8rem;
  letter-spacing: 1.5px;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.stat-card__value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==================================== */
/* 🎛️ Buttons                          */
/* ==================================== */
.btn {
  cursor: pointer;
  border: none;
  border-radius: var(--radius-md);
  padding: 16px 32px;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-600));
  color: #fff;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-primary), 0 8px 24px rgba(6, 182, 212, 0.4);
}

.btn--delete {
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.3);
  color: #fda4af;
}

.btn--delete:hover {
  background: var(--clr-danger-500);
  color: #fff;
  box-shadow: 0 0 20px rgba(244, 63, 94, 0.4);
  transform: translateY(-2px);
}

/* ==================================== */
/* ⚡ Animations                        */
/* ==================================== */
@keyframes fadeInDown {
  0% {
    opacity: 0;
    transform: translateY(-20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 100%;
  }
}

@keyframes fadeInUp {
  0% {
    opacity: 0;
    transform: translateY(30px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==================================== */
/* 🦸 Hero Section                      */
/* ==================================== */
.hero-section {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 20px;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  animation: fadeInUp 0.8s ease;
}

.hero-title {
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 30px;
  color: var(--clr-text-primary);
  letter-spacing: -2px;
}

.hero-title__accent {
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--clr-text-secondary);
  margin-bottom: 50px;
  line-height: 1.7;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn--hero {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-600));
  color: white;
  padding: 18px 40px;
  font-size: 1.125rem;
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.3);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn--hero:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-primary), 0 12px 32px rgba(6, 182, 212, 0.4);
}

.btn--secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid var(--clr-glass-border);
  color: var(--clr-text-primary);
  padding: 16px 38px;
  font-size: 1.125rem;
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--clr-primary-500);
  transform: translateY(-2px);
}

.btn--large {
  padding: 20px 50px;
  font-size: 1.25rem;
}

.btn-icon {
  font-size: 1.25rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.hero-stat {
  text-align: center;
}

.hero-stat__value {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.hero-stat__label {
  font-size: 0.875rem;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ==================================== */
/* 🎯 CTA Section                       */
/* ==================================== */
.cta-section {
  padding: 80px 20px;
  margin-top: 60px;
}

.cta-card {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.1) 0%, rgba(167, 139, 250, 0.1) 100%);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius-lg);
  padding: 80px 40px;
  text-align: center;
  box-shadow: var(--shadow-lg), var(--glow-primary);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--clr-primary-400), transparent);
}

.cta-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}

.cta-description {
  font-size: 1.25rem;
  color: var(--clr-text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ==================================== */
/* 📄 View Containers                   */
/* ==================================== */
.view-container {
  min-height: 100vh;
}

.app-header--compact {
  padding: 40px 20px 20px;
}

.app-header__title--small {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
}

/* ==================================== */
/* ✨ Features Section                  */
/* ==================================== */
.features-section {
  margin-bottom: 80px;
}

.section-title {
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 50px;
  background: linear-gradient(120deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--clr-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  transition: all 0.4s ease;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--clr-primary-400), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(6, 182, 212, 0.3);
  box-shadow: var(--shadow-lg), var(--glow-primary);
}

.feature-card__icon {
  font-size: 3rem;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 10px rgba(6, 182, 212, 0.3));
  animation: float 3s ease-in-out infinite;
}

.feature-card:nth-child(2) .feature-card__icon {
  animation-delay: 0.5s;
}

.feature-card:nth-child(3) .feature-card__icon {
  animation-delay: 1s;
}

.feature-card:nth-child(4) .feature-card__icon {
  animation-delay: 1.5s;
}

.feature-card:nth-child(5) .feature-card__icon {
  animation-delay: 2s;
}

.feature-card:nth-child(6) .feature-card__icon {
  animation-delay: 2.5s;
}

.feature-card__badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  border: 1px solid;
}

.feature-card__badge--alpha {
  background: rgba(6, 182, 212, 0.15);
  color: var(--clr-primary-400);
  border-color: rgba(6, 182, 212, 0.3);
}

.feature-card__badge--dev {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.3);
}

.feature-card__badge--planned {
  background: rgba(167, 139, 250, 0.15);
  color: var(--clr-accent-400);
  border-color: rgba(167, 139, 250, 0.3);
}

.feature-card__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.feature-card__description {
  color: var(--clr-text-secondary);
  line-height: 1.7;
  font-size: 0.938rem;
}

/* ==================================== */
/* 📊 Summary Grid                      */
/* ==================================== */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-bottom: 32px;
}

.stat-card__icon {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 3.5rem;
  opacity: 0.15;
  filter: blur(1px);
}

.stat-card__content {
  position: relative;
  z-index: 1;
}

/* ==================================== */
/* 🔔 Smart Alerts                      */
/* ==================================== */
.alerts-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(244, 63, 94, 0.05) 100%);
  border-color: rgba(245, 158, 11, 0.2);
}

.alerts-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.budget-setting {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 24px;
}

.budget-setting__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  gap: 16px;
  flex-wrap: wrap;
}

.budget-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.budget-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.budget-currency {
  position: absolute;
  left: 16px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-primary-400);
  pointer-events: none;
}

.budget-input {
  background: rgba(6, 182, 212, 0.1);
  border: 2px solid rgba(6, 182, 212, 0.3);
  border-radius: 10px;
  padding: 12px 16px 12px 36px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  width: 160px;
  transition: all 0.3s ease;
  font-family: inherit;
}

.budget-input:focus {
  outline: none;
  background: rgba(6, 182, 212, 0.15);
  border-color: var(--clr-primary-500);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
}

.budget-progress {
  position: relative;
  height: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
}

.budget-progress__bar {
  height: 100%;
  border-radius: 10px;
  transition: all 0.5s ease;
  position: relative;
  background: linear-gradient(90deg, var(--clr-primary-500), var(--clr-primary-400));
}

.budget-progress__bar--warning {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}

.budget-progress__bar--danger {
  background: linear-gradient(90deg, #f43f5e, #fb7185);
}

.budget-progress__bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent);
}

.budget-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-size: 0.875rem;
}

.budget-info__spent {
  font-weight: 700;
  color: var(--clr-text-primary);
}

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

.alerts-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.alert-item {
  background: rgba(0, 0, 0, 0.3);
  border-left: 4px solid;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  animation: slideInRight 0.4s ease;
}

.alert-item--info {
  border-color: var(--clr-primary-500);
  background: linear-gradient(90deg, rgba(6, 182, 212, 0.1) 0%, transparent 100%);
}

.alert-item--warning {
  border-color: #f59e0b;
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.1) 0%, transparent 100%);
}

.alert-item--danger {
  border-color: #f43f5e;
  background: linear-gradient(90deg, rgba(244, 63, 94, 0.1) 0%, transparent 100%);
}

.alert-item__icon {
  font-size: 1.75rem;
  flex-shrink: 0;
}

.alert-item__content {
  flex: 1;
}

.alert-item__title {
  font-size: 0.938rem;
  font-weight: 700;
  color: var(--clr-text-primary);
  margin-bottom: 4px;
}

.alert-item__message {
  font-size: 0.813rem;
  color: var(--clr-text-secondary);
  line-height: 1.5;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ==================================== */
/* 📊 Analytics Section                 */
/* ==================================== */
.analytics-card {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.05) 0%, rgba(167, 139, 250, 0.05) 100%);
  border-color: rgba(6, 182, 212, 0.2);
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.analytics-item {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.analytics-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--clr-primary-400), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.analytics-item:hover {
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.15);
}

.analytics-item:hover::before {
  opacity: 1;
}

.analytics-item__icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 4px 8px rgba(6, 182, 212, 0.3));
  flex-shrink: 0;
}

.analytics-item__content {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.analytics-item__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--clr-text-secondary);
  font-weight: 600;
}

.analytics-item__value {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.analytics-item__value--up {
  background: linear-gradient(135deg, #10b981, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.analytics-item__value--down {
  background: linear-gradient(135deg, #f43f5e, #fb7185);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==================================== */
/* 📈 Trend Analysis                    */
/* ==================================== */
.trend-card {
  background: linear-gradient(135deg, rgba(167, 139, 250, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
  border-color: rgba(167, 139, 250, 0.2);
}

.card-header-with-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: var(--space-lg);
}

.card-header-with-controls .card__header {
  margin-bottom: 0;
}

.trend-controls {
  display: flex;
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.trend-btn {
  background: transparent;
  border: none;
  color: var(--clr-text-secondary);
  padding: 8px 20px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.trend-btn:hover {
  color: var(--clr-text-primary);
  background: rgba(255, 255, 255, 0.05);
}

.trend-btn--active {
  background: linear-gradient(135deg, var(--clr-primary-500), var(--clr-primary-600));
  color: white;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}

.trend-chart {
  min-height: 300px;
  position: relative;
  padding: 20px 0;
}

.chart-bar-container {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 250px;
  gap: 8px;
  padding: 0 10px;
  position: relative;
}

.chart-bar-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 0;
  position: relative;
  cursor: pointer;
  transition: all 0.3s ease;
}

.chart-bar-wrapper:hover {
  transform: translateY(-4px);
}

.chart-bar {
  width: 100%;
  background: linear-gradient(180deg, var(--clr-primary-400), var(--clr-primary-600));
  border-radius: 6px 6px 0 0;
  min-height: 4px;
  position: relative;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 -4px 12px rgba(6, 182, 212, 0.3);
}

.chart-bar-wrapper:hover .chart-bar {
  background: linear-gradient(180deg, var(--clr-accent-400), var(--clr-accent-500));
  box-shadow: 0 -6px 20px rgba(167, 139, 250, 0.4);
}

.chart-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 30%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.3), transparent);
  border-radius: 6px 6px 0 0;
}

.chart-bar-label {
  font-size: 0.688rem;
  color: var(--clr-text-muted);
  text-align: center;
  font-weight: 600;
  white-space: nowrap;
}

.chart-bar-value {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-primary-400);
  opacity: 0;
  transition: opacity 0.3s ease;
  white-space: nowrap;
  pointer-events: none;
}

.chart-bar-wrapper:hover .chart-bar-value {
  opacity: 1;
}

.chart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 250px;
  color: var(--clr-text-muted);
  font-size: 1rem;
}

.chart-empty-icon {
  font-size: 3rem;
  opacity: 0.3;
  margin-bottom: 12px;
}

/* ==================================== */
/* 📝 Form Styles                       */
/* ==================================== */
.form-card {
  background: rgba(10, 14, 39, 0.6);
  border: 2px solid rgba(6, 182, 212, 0.15);
  position: relative;
  overflow: visible;
}

.form-card::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--clr-primary-500), var(--clr-accent-500), var(--clr-primary-500));
  background-size: 300% 300%;
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0;
  transition: opacity 0.5s ease;
  animation: gradientShift 8s ease infinite;
  filter: blur(12px);
}

.form-card:hover::after {
  opacity: 0.3;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-primary-400);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding-left: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-group label::before {
  content: '▸';
  font-size: 0.625rem;
  opacity: 0.6;
}

.form-group input,
.form-group select {
  background: rgba(0, 0, 0, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  padding: 16px 18px;
  font-size: 1.063rem;
  font-weight: 500;
  color: var(--clr-text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-family: inherit;
  position: relative;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.3);
}

.form-group input::placeholder {
  color: rgba(148, 163, 184, 0.4);
  font-weight: 400;
  font-style: italic;
}

.form-group input:hover,
.form-group select:hover {
  background: rgba(0, 0, 0, 0.5);
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateY(-1px);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  background: rgba(6, 182, 212, 0.05);
  border-color: var(--clr-primary-500);
  box-shadow:
    inset 0 2px 8px rgba(0, 0, 0, 0.3),
    0 0 0 4px rgba(6, 182, 212, 0.15),
    0 4px 20px rgba(6, 182, 212, 0.2);
  transform: translateY(-2px);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2306b6d4' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 45px;
}

.form-group select option {
  background: #0a0e27;
  color: var(--clr-text-primary);
  padding: 12px;
}

/* Custom number input styling */
.form-group input[type="number"]::-webkit-inner-spin-button,
.form-group input[type="number"]::-webkit-outer-spin-button {
  opacity: 0.5;
  transition: opacity 0.2s;
}

.form-group input[type="number"]:hover::-webkit-inner-spin-button,
.form-group input[type="number"]:hover::-webkit-outer-spin-button {
  opacity: 1;
}

/* Date input custom styling */
.form-group input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  filter: invert(0.7) sepia(1) saturate(5) hue-rotate(155deg);
  opacity: 0.7;
  transition: opacity 0.2s;
}

.form-group input[type="date"]:hover::-webkit-calendar-picker-indicator {
  opacity: 1;
}

/* ==================================== */
/* 💼 Card Header                       */
/* ==================================== */
.card__header {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--clr-text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.card__header::before {
  content: '';
  width: 3px;
  height: 24px;
  background: linear-gradient(180deg, var(--clr-primary-500), var(--clr-accent-500));
  border-radius: 3px;
  box-shadow: 0 0 10px var(--clr-primary-500);
}

/* ==================================== */
/* 📊 Category Breakdown                */
/* ==================================== */
.category-breakdown-item {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.category-breakdown-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--clr-primary-400), var(--clr-accent-400));
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.category-breakdown-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(6, 182, 212, 0.3);
  transform: translateX(4px);
}

.category-breakdown-item:hover::before {
  transform: scaleY(1);
}

.category-breakdown-item__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 16px;
}

.category-breakdown-item__info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.category-breakdown-item__icon {
  font-size: 1.75rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.category-breakdown-item__name {
  font-size: 1.063rem;
  font-weight: 700;
  color: var(--clr-text-primary);
}

.category-breakdown-item__stats {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.category-breakdown-item__amount {
  font-size: 1.25rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.category-breakdown-item__percentage {
  font-size: 0.938rem;
  color: var(--clr-text-muted);
  font-weight: 600;
  padding: 4px 10px;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 12px;
}

.category-breakdown-item__bar-container {
  height: 10px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.category-breakdown-item__bar {
  height: 100%;
  border-radius: 10px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 10px currentColor;
}

.category-breakdown-item__bar-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s infinite;
}

/* ==================================== */
/* 💳 Expense Cards                     */
/* ==================================== */
.expense-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
  backdrop-filter: blur(10px);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.expense-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--clr-primary-500), var(--clr-accent-500));
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.expense-card:hover {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: var(--shadow-md), var(--glow-primary);
  transform: translateY(-2px) translateX(4px);
}

.expense-card:hover::before {
  transform: scaleY(1);
}

.expense-card__left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  min-width: 0;
}

.expense-card__icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 2px solid;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-sm);
}

.expense-card:hover .expense-card__icon-wrapper {
  transform: scale(1.1) rotate(5deg);
}

.expense-card__icon {
  font-size: 1.75rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.expense-card__details {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.expense-card__category {
  font-size: 0.813rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.expense-card__description {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--clr-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expense-card__date {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.expense-card__date svg {
  opacity: 0.7;
}

.expense-card__right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.expense-card__actions {
  display: flex;
  gap: 8px;
}

.expense-card__amount {
  font-size: 1.75rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
  min-width: 120px;
  text-align: right;
}

.expense-card__edit-btn,
.expense-card__delete-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
  border: 1px solid;
}

.expense-card__edit-btn {
  background: rgba(6, 182, 212, 0.1);
  border-color: rgba(6, 182, 212, 0.2);
  color: var(--clr-primary-400);
}

.expense-card__edit-btn:hover {
  background: var(--clr-primary-500);
  border-color: var(--clr-primary-500);
  color: white;
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.4);
}

.expense-card__delete-btn {
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.2);
  color: #fda4af;
}

.expense-card__delete-btn svg,
.expense-card__edit-btn svg {
  transition: all 0.3s ease;
}

.expense-card__delete-btn:hover {
  background: var(--clr-danger-500);
  border-color: var(--clr-danger-500);
  color: white;
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 4px 12px rgba(244, 63, 94, 0.4);
}

.expense-card__delete-btn:hover svg,
.expense-card__edit-btn:hover svg {
  transform: scale(1.1);
}

.expense-card__delete-btn:active,
.expense-card__edit-btn:active {
  transform: scale(0.95);
}

/* ==================================== */
/* 🔍 Filters Panel                     */
/* ==================================== */
.filters-panel {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 24px;
}

.search-box {
  position: relative;
  margin-bottom: 16px;
}

.search-box__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--clr-text-muted);
  pointer-events: none;
  z-index: 1;
}

.search-box__input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  padding: 14px 50px 14px 50px;
  font-size: 1rem;
  color: var(--clr-text-primary);
  font-family: inherit;
  transition: all 0.3s ease;
}

.search-box__input:focus {
  outline: none;
  background: rgba(6, 182, 212, 0.05);
  border-color: var(--clr-primary-500);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
}

.search-box__input::placeholder {
  color: var(--clr-text-muted);
}

.search-box__clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--clr-text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  transition: all 0.3s ease;
  padding: 0;
}

.search-box__clear:hover {
  background: rgba(244, 63, 94, 0.2);
  border-color: rgba(244, 63, 94, 0.3);
  color: #fb7185;
}

.filters-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  align-items: end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-group label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--clr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.filter-group select,
.filter-group input {
  background: rgba(0, 0, 0, 0.3);
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.938rem;
  color: var(--clr-text-primary);
  font-family: inherit;
  transition: all 0.3s ease;
}

.filter-group select:focus,
.filter-group input:focus {
  outline: none;
  border-color: var(--clr-primary-500);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.btn-clear-filters {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--clr-text-secondary);
  padding: 12px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
  font-family: inherit;
  white-space: nowrap;
}

.btn-clear-filters:hover {
  background: rgba(6, 182, 212, 0.1);
  border-color: var(--clr-primary-500);
  color: var(--clr-primary-400);
}

/* ==================================== */
/* 📋 Expenses List                     */
/* ==================================== */
.expenses-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
  gap: 20px;
  flex-wrap: wrap;
}

.expenses-header__title {
  margin-bottom: 0;
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.03);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-glass-border);
}

.sort-controls label {
  font-size: 0.875rem;
  color: var(--clr-text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sort-controls select {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--clr-glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--clr-text-primary);
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: inherit;
  font-weight: 500;
}

.sort-controls select:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--clr-primary-500);
}

.sort-controls select:focus {
  outline: none;
  border-color: var(--clr-primary-500);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

/* ==================================== */
/* ✨ Empty State                       */
/* ==================================== */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}

.empty-state__icon {
  font-size: 5rem;
  opacity: 0.2;
  margin-bottom: 20px;
  animation: float 3s ease-in-out infinite;
}

.empty-state__text {
  color: var(--clr-text-muted);
  font-size: 1.125rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

/* ==================================== */
/* 👣 Footer                            */
/* ==================================== */
.app-footer {
  text-align: center;
  padding: 40px 20px;
  margin-top: 60px;
  color: var(--clr-text-muted);
  font-size: 0.875rem;
}

/* ==================================== */
/* 🪟 Modal                             */
/* ==================================== */
.modal {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  animation: fadeIn 0.3s ease;
}

.modal__content {
  position: relative;
  background: linear-gradient(135deg, rgba(17, 25, 40, 0.95) 0%, rgba(10, 14, 39, 0.95) 100%);
  backdrop-filter: blur(24px);
  border: 2px solid rgba(6, 182, 212, 0.3);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  padding: 32px;
  box-shadow: var(--shadow-lg), var(--glow-primary);
  animation: scaleIn 0.3s ease;
  max-height: 90vh;
  overflow-y: auto;
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.modal__title {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(120deg, var(--clr-primary-400), var(--clr-accent-400));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.modal__close {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--clr-text-secondary);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.modal__close:hover {
  background: rgba(244, 63, 94, 0.2);
  border-color: rgba(244, 63, 94, 0.4);
  color: #fb7185;
  transform: rotate(90deg);
}

.modal__actions {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 24px;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ==================================== */
/* ♿ Accessibility                     */
/* ==================================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ==================================== */
/* 📱 Responsiveness                    */
/* ==================================== */
@media (max-width: 768px) {
  .app-header {
    padding: 60px 12px;
  }
  .card {
    padding: 24px;
  }
  .stat-card {
    padding: 20px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .expenses-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .sort-controls {
    width: 100%;
  }
  .sort-controls select {
    flex: 1;
  }
  .expense-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .expense-card__left {
    width: 100%;
  }
  .expense-card__right {
    width: 100%;
    justify-content: space-between;
  }
  .expense-card__amount {
    min-width: auto;
    text-align: left;
    font-size: 1.5rem;
  }
  .category-breakdown-item {
    padding: 16px;
  }
  .category-breakdown-item__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .category-breakdown-item__stats {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 60px 16px;
  }
  .hero-cta {
    flex-direction: column;
  }
  .hero-stats {
    gap: 40px;
  }
  .section-title {
    font-size: 1.75rem;
  }
  .feature-card {
    padding: 24px;
  }
  .feature-card__icon {
    font-size: 2.5rem;
  }
  .cta-card {
    padding: 60px 24px;
  }
}