/* DSR Calculator Style Sheet - NEX Advisory V2 */

/* --- Design Tokens --- */
:root {
  /* Colors */
  --primary: #0066cc; /* Premium Apple blue */
  --primary-hover: #0052a3;
  --bg-app: #f4f6f8; /* Soft neutral background */
  --bg-card: #ffffff;
  --text-main: #1d1d1f; /* Apple gray-dark */
  --text-secondary: #515154;
  --text-muted: #86868b;
  --border: #d2d2d7;
  --border-focus: #0066cc;
  --ring-focus: rgba(0, 102, 204, 0.15);
  
  /* Status Colors: Neutral */
  --summary-bg: #ffffff;
  --summary-border: #d2d2d7;
  --summary-text: #1d1d1f;
  --summary-label-color: #515154;
  --summary-accent: #0066cc;
  --summary-divider: #e5e5ea;
  --summary-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 4px 12px -2px rgba(0, 0, 0, 0.03);

  /* Status Colors: Eligible */
  --eligible-bg: #f2fbf4;
  --eligible-border: #a7f3d0;
  --eligible-text: #064e3b;
  --eligible-label-color: #047857;
  --eligible-accent: #10b981;
  --eligible-divider: #d1fae5;
  --eligible-shadow: 0 12px 30px -5px rgba(16, 185, 129, 0.15), 0 4px 12px -2px rgba(16, 185, 129, 0.05);

  /* Status Colors: Exceeded */
  --exceeded-bg: #fff5f5;
  --exceeded-border: #fecaca;
  --exceeded-text: #7f1d1d;
  --exceeded-label-color: #b91c1c;
  --exceeded-accent: #ef4444;
  --exceeded-divider: #fee2e2;
  --exceeded-shadow: 0 12px 30px -5px rgba(239, 68, 68, 0.15), 0 4px 12px -2px rgba(239, 68, 68, 0.05);

  /* Layout & Spacing */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base & Reset --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* --- Header Section --- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}

.header-title-group h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.header-title-group .subtitle {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* --- Grid Layout --- */
.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}

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

/* --- Card Styles --- */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.card h2 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 16px;
  letter-spacing: -0.1px;
}

/* --- Form Fields & Inputs --- */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.input-wrapper {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--bg-card);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
}

.input-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px var(--ring-focus);
}

.input-prefix,
.input-suffix {
  padding: 12px 14px;
  background-color: #f5f5f7;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 15px;
  user-select: none;
  border-right: 1px solid var(--border);
}

.input-suffix {
  border-right: 0;
  border-left: 1px solid var(--border);
}

.input-wrapper input {
  flex: 1;
  border: 0;
  background: transparent;
  padding: 12px 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  outline: none;
  font-family: inherit;
  width: 100%;
}

.input-wrapper input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

/* --- Section 2 Extras --- */
.helper-display {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding: 14px 16px;
  background-color: #f5f5f7;
  border-radius: var(--radius-md);
  font-size: 14px;
}

.helper-display span {
  color: var(--text-secondary);
  font-weight: 500;
}

.helper-display strong {
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
}

/* --- Section 3: Commitments List --- */
.commitments-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.commitments-header h2 {
  margin-bottom: 0;
}

.commitments-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.commitment-row {
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn var(--transition-fast) forwards;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Buttons --- */
.btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-reset:hover {
  background-color: #f5f5f7;
  color: var(--text-main);
  border-color: #c7c7cc;
}

.btn-reset svg {
  transition: transform var(--transition-normal);
}

.btn-reset:hover svg {
  transform: rotate(-180deg);
}

.btn-add {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: #eef6ff;
  border: 1px solid #cce3ff;
  color: var(--primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-add:hover {
  background-color: #dbeaff;
  color: var(--primary-hover);
}

.btn-delete {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-delete:hover {
  background-color: #fff1f2;
  color: #ef4444;
  border-color: #fee2e2;
}

/* --- Summary Card Column --- */
.summary-column {
  position: sticky;
  top: 32px;
}

.summary-card {
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: background-color var(--transition-normal), 
              border var(--transition-normal), 
              color var(--transition-normal),
              box-shadow var(--transition-normal);
}

/* Dynamic State Mapping Styles */
.status-neutral {
  background-color: var(--summary-bg);
  border: 1px solid var(--summary-border);
  color: var(--summary-text);
  box-shadow: var(--summary-shadow);
}
.status-neutral .summary-divider {
  background-color: var(--summary-divider);
}
.status-neutral .metric-label {
  color: var(--summary-label-color);
}
.status-neutral .metric-value {
  color: var(--summary-text);
}
.status-neutral .status-badge {
  background-color: #f5f5f7;
  border: 1px solid #e5e5ea;
  color: var(--text-secondary);
}

.status-eligible {
  background-color: var(--eligible-bg);
  border: 1px solid var(--eligible-border);
  color: var(--eligible-text);
  box-shadow: var(--eligible-shadow);
}
.status-eligible .summary-divider {
  background-color: var(--eligible-divider);
}
.status-eligible .metric-label {
  color: var(--eligible-label-color);
}
.status-eligible .metric-value {
  color: var(--eligible-text);
}
.status-eligible .status-badge {
  background-color: #d1fae5;
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.status-exceeded {
  background-color: var(--exceeded-bg);
  border: 1px solid var(--exceeded-border);
  color: var(--exceeded-text);
  box-shadow: var(--exceeded-shadow);
}
.status-exceeded .summary-divider {
  background-color: var(--exceeded-divider);
}
.status-exceeded .metric-label {
  color: var(--exceeded-label-color);
}
.status-exceeded .metric-value {
  color: var(--exceeded-text);
}
.status-exceeded .status-badge {
  background-color: #fee2e2;
  border: 1px solid #fecaca;
  color: #991b1b;
}

/* Card Internals */
.summary-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-label {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  transition: all var(--transition-normal);
}

.summary-divider {
  height: 1px;
  margin: 24px 0;
  transition: background-color var(--transition-normal);
}

.summary-metrics {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.metric-label {
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition-normal);
}

.metric-value {
  font-size: 18px;
  font-weight: 700;
  transition: color var(--transition-normal);
}

.main-metric {
  margin-top: 4px;
}

.main-metric .metric-label {
  font-size: 16px;
  font-weight: 700;
}

.main-metric .metric-value {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* --- Mobile Responsiveness --- */
@media (max-width: 850px) {
  .app-container {
    padding: 24px 16px;
  }
  
  .app-header {
    margin-bottom: 24px;
  }
  
  .header-title-group h1 {
    font-size: 24px;
  }

  .calculator-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .summary-column {
    position: static; /* Flows underneath the inputs on mobile */
  }

  .summary-card {
    padding: 24px;
  }

  .main-metric .metric-value {
    font-size: 22px;
  }
}