/*
  action:Track - Redesigned CSS
  Maintaining the monospace typography and minimal aesthetic while improving consistency
*/

/* ==============================================
   DESIGN SYSTEM - CORE VALUES
   ============================================== */
:root {
  /* Typography */
  --font-primary: 'Ppneuemontrealmono', 'SF Mono', Consolas, monospace;
  --font-display: 'Ppeditorialnew', Georgia, serif;

  /* Colors */
  --color-primary: #000000;
  --color-secondary: #666666;
  --color-accent: #4CAF50;
  --color-danger: #FF4444;
  --color-warning: #FF9800;

  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: rgba(255, 255, 255, 0.8);
  --bg-overlay: rgba(0, 0, 0, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.9);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-xxl: 48px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==============================================
   RESET & BASE STYLES
   ============================================== */
* {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  color: var(--color-primary);
  line-height: 1.5;
  overflow-x: hidden;
}

/* ==============================================
   LAYOUT SYSTEM
   ============================================== */
.app-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  padding: var(--space-md) 0;
}

.app-main {
  flex: 1;
  padding: var(--space-xl) var(--space-lg);
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.app-footer {
  margin-top: auto;
  padding: var(--space-xl) var(--space-lg);
}

/* ==============================================
   CONTAINER & GRID SYSTEM
   ============================================== */
.container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.header-grid {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-sm) 0;
}

.main-grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-areas:
    "hero hero"
    "controls controls"
    "table table"
    "summary summary";
}

.hero-section {
  grid-area: hero;
}

.controls-section {
  grid-area: controls;
}

.table-section {
  grid-area: table;
}

.summary-section {
  grid-area: summary;
}

/* ==============================================
   TYPOGRAPHY SYSTEM
   ============================================== */
.text-display {
  font-family: var(--font-display);
  font-size: clamp(60px, 8vw, 120px);
  font-weight: 100;
  line-height: 0.8;
  letter-spacing: -0.07em;
  text-transform: uppercase;
  margin: 0;
}

.text-heading {
  font-family: var(--font-primary);
  font-size: 18px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-md) 0;
}

.text-body {
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.4;
  margin: 0;
}

.text-label {
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-secondary);
  margin: 0 0 var(--space-xs) 0;
}

/* ==============================================
   CARD SYSTEM
   ============================================== */
.card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 0, 0, 0.12);
}

.card-compact {
  padding: var(--space-md);
}

.card-dark {
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.1);
  color: white;
}

.card-dark::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

/* ==============================================
   HERO SECTION
   ============================================== */
.hero {
  text-align: center;
  padding: var(--space-xxl) 0;
  position: relative;
}

.hero-title {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.hero-subtitle {
  color: var(--color-secondary);
  font-size: 14px;
  max-width: 600px;
  margin: 0 auto;
}

/* ==============================================
   HEADER COMPONENTS
   ============================================== */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-weight: 500;
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.tag {
  background: var(--bg-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  padding: var(--space-xs) var(--space-md);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.user-area {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.auth-buttons {
  display: flex;
  gap: var(--space-sm);
}

.auth-btn {
  background: none;
  border: none;
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.auth-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  transform: scale(1.02);
}

.auth-btn.logout {
  color: var(--color-danger);
}

/* ==============================================
   FORM SYSTEM
   ============================================== */
.form-section {
  margin-bottom: var(--space-xl);
}

.form-grid {
  display: grid;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: end;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.input {
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-md);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  transition: var(--transition-base);
  outline: none;
}

.input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
  transform: scale(1.01);
}

.input::placeholder {
  color: var(--color-secondary);
  opacity: 0.7;
}

/* ==============================================
   BUTTON SYSTEM
   ============================================== */
.btn {
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  background: var(--bg-primary);
  cursor: pointer;
  transition: var(--transition-base);
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  user-select: none;
  text-decoration: none;
}

.btn:hover {
  background: var(--color-primary);
  color: var(--bg-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--bg-primary);
}

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

.btn-accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-accent);
  color: var(--bg-primary);
}

.btn-danger {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.btn-danger:hover {
  background: var(--color-danger);
  color: var(--bg-primary);
}

.btn-ghost {
  border: none;
  background: transparent;
  padding: var(--space-sm) var(--space-md);
}

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.05);
}

/* ==============================================
   OPTION BUTTONS
   ============================================== */
.option-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.option-btn {
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: var(--transition-base);
  user-select: none;
}

.option-btn:hover {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.4);
  transform: translateY(-1px);
}

.option-btn.selected {
  background: var(--color-primary);
  color: var(--bg-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ==============================================
   TABLE SYSTEM
   ============================================== */
.table-container {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: var(--shadow-md);
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.table-header {
  background: rgba(0, 0, 0, 0.03);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.table th {
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  z-index: 10;
}

.table td {
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 400;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  vertical-align: middle;
}

.table tr {
  transition: var(--transition-fast);
  position: relative;
}

.table tbody tr:hover {
  background: rgba(0, 0, 0, 0.02);
  transform: scale(1.002);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table .delete-btn {
  color: var(--color-danger);
  font-weight: 600;
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  user-select: none;
}

.table .delete-btn:hover {
  background: rgba(255, 68, 68, 0.1);
  transform: scale(1.1);
}

/* ==============================================
   SUMMARY CARDS
   ============================================== */
.summary-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-xl);
  align-items: end;
}

.total-card {
  background: var(--color-primary);
  color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.total-card::before {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

.total-amount {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 100;
  line-height: 0.9;
  margin-bottom: var(--space-sm);
}

.remaining-card {
  text-align: right;
}

.remaining-percentage {
  font-size: 24px;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.remaining-amount {
  font-size: 16px;
  color: var(--color-secondary);
}

/* ==============================================
   MODAL SYSTEM
   ============================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  max-width: 400px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: var(--transition-base);
  position: relative;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-lg) var(--space-lg) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  margin-bottom: var(--space-lg);
  position: relative;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-lg) 0;
}

.modal-close {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: rgba(0, 0, 0, 0.1);
  transform: scale(1.1);
}

.modal-body {
  padding: 0 var(--space-lg) var(--space-lg);
}

/* ==============================================
   STATUS INDICATORS
   ============================================== */
.status-indicator {
  position: fixed;
  top: var(--space-lg);
  right: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  z-index: 1001;
  max-width: 300px;
  box-shadow: var(--shadow-lg);
  transform: translateX(100px);
  opacity: 0;
  transition: var(--transition-base);
}

.status-indicator.show {
  transform: translateX(0);
  opacity: 1;
}

.status-indicator.success {
  background: rgba(76, 175, 80, 0.9);
  color: white;
  border-color: rgba(76, 175, 80, 0.3);
}

.status-indicator.error {
  background: rgba(244, 67, 54, 0.9);
  color: white;
  border-color: rgba(244, 67, 54, 0.3);
}

.status-indicator.warning {
  background: rgba(255, 152, 0, 0.9);
  color: white;
  border-color: rgba(255, 152, 0, 0.3);
}

/* ==============================================
   ANIMATIONS & MICRO-INTERACTIONS
   ============================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInRight {
  from {
    transform: translateX(100px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.animate-in {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-in-delayed {
  animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-in-delayed:nth-child(1) { animation-delay: 0.1s; opacity: 0; }
.animate-in-delayed:nth-child(2) { animation-delay: 0.2s; opacity: 0; }
.animate-in-delayed:nth-child(3) { animation-delay: 0.3s; opacity: 0; }
.animate-in-delayed:nth-child(4) { animation-delay: 0.4s; opacity: 0; }
.animate-in-delayed:nth-child(5) { animation-delay: 0.5s; opacity: 0; }

.loading-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==============================================
   RESPONSIVE DESIGN
   ============================================== */
@media (max-width: 768px) {
  :root {
    --space-lg: 16px;
    --space-xl: 24px;
    --space-xxl: 32px;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .header-grid {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-md);
  }

  .main-grid {
    grid-template-areas:
      "hero"
      "controls"
      "table"
      "summary";
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }

  .summary-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    text-align: center;
  }

  .remaining-card {
    text-align: center;
  }

  .table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .table {
    min-width: 600px;
  }

  .option-group {
    justify-content: center;
  }

  .hero {
    padding: var(--space-xl) 0;
  }

  .text-display {
    font-size: clamp(48px, 12vw, 80px);
  }
}

@media (max-width: 480px) {
  .app-main {
    padding: var(--space-lg) var(--space-md);
  }

  .card {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }

  .text-display {
    font-size: clamp(36px, 15vw, 60px);
  }

  .hero-title {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .auth-buttons {
    flex-direction: column;
    gap: var(--space-xs);
  }

  .tag {
    font-size: 9px;
    padding: var(--space-xs) var(--space-sm);
  }

  .modal {
    margin: var(--space-md);
    width: calc(100% - #{var(--space-md)} * 2);
  }
}

/* ==============================================
   ACCESSIBILITY & PREFERENCES
   ============================================== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-contrast: high) {
  :root {
    --color-primary: #000000;
    --color-secondary: #333333;
  }

  .btn,
  .input,
  .option-btn {
    border-width: 2px;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #ffffff;
    --color-secondary: #cccccc;
    --bg-primary: #1a1a1a;
    --bg-secondary: rgba(255, 255, 255, 0.1);
    --bg-glass: rgba(40, 40, 40, 0.9);
    --bg-overlay: rgba(0, 0, 0, 0.8);
  }

  body {
    background: linear-gradient(135deg, #1a1a1a 0%, #2c2c2c 100%);
    color: var(--color-primary);
  }

  .card-dark {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-primary);
    border-color: rgba(255, 255, 255, 0.1);
  }
}

/* ==============================================
   FOCUS MANAGEMENT
   ============================================== */
.focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}