/* ==========================================================================
   ATS CV Builder - Premium Design System & Stylesheet
   ========================================================================== */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,600;0,700;1,400&family=Georgia&display=swap');

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette (Dark Theme Default) */
  --bg-primary: #0a0b10;
  --bg-secondary: #121420;
  --bg-tertiary: #1a1d30;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Brand Colors & Accent Glows */
  --brand-primary: #6366f1; /* Indigo */
  --brand-secondary: #a855f7; /* Purple */
  --brand-gradient: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
  --brand-glow: rgba(99, 102, 241, 0.15);
  
  /* Status Colors */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  /* Glassmorphism & Borders */
  --glass-bg: rgba(18, 20, 32, 0.7);
  --glass-border: rgba(255, 255, 255, 0.06);
  --card-border: 1px solid var(--glass-border);
  --border-radius-sm: 8px;
  --border-radius-md: 14px;
  --border-radius-lg: 24px;
  --box-shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(255, 255, 255, 0.03);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* CV Sheet Variables (Fixed B&W Paper Standard) */
  --cv-bg: #ffffff;
  --cv-text-primary: #111827;
  --cv-text-secondary: #374151;
  --cv-text-muted: #4b5563;
  --cv-accent: #1e3a8a; /* Soft Navy Blue for clean headers */
  --cv-border: #e5e7eb;
}

/* --- Light Theme Variables --- */
body.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(0, 0, 0, 0.06);
  --card-border: 1px solid var(--glass-border);
  --box-shadow-premium: 0 10px 30px -10px rgba(15, 23, 42, 0.1), 0 1px 3px rgba(0, 0, 0, 0.02);
}

/* --- Base Resets & Global Styles --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  min-height: 100vh;
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-primary);
}

/* --- Layout Grid --- */
.app-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
  height: 100vh;
  overflow: hidden;
}

@media (max-width: 1100px) {
  .app-container {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }
}

/* ==========================================================================
   LEFT PANEL - FORM EDITOR
   ========================================================================== */
.editor-panel {
  padding: 2.5rem;
  overflow-y: auto;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  border-right: var(--card-border);
}

@media (max-width: 1100px) {
  .editor-panel {
    height: auto;
    overflow-y: visible;
  }
}

/* Header bar inside Editor */
.editor-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
  flex-shrink: 0;
}

.logo-container h1 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 700;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-container p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 400;
  margin-top: 0.2rem;
}

/* Action Controls Header */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--brand-gradient);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: var(--card-border);
}
.btn-secondary:hover {
  background: var(--brand-primary);
  color: #ffffff;
  border-color: var(--brand-primary);
}

.btn-icon {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: var(--card-border);
  padding: 0.6rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-icon:hover {
  background: var(--brand-primary);
  color: #ffffff;
}

/* --- ATS Dashboard Summary Widget --- */
.ats-scanner-dashboard {
  background: var(--glass-bg);
  border: var(--card-border);
  border-radius: var(--border-radius-md);
  padding: 1.5rem;
  backdrop-filter: blur(10px);
  box-shadow: var(--box-shadow-premium);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.ats-scanner-dashboard::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--brand-gradient);
}

.ats-score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.ats-score-radial {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: conic-gradient(var(--brand-primary) calc(var(--score-percent, 0) * 1%), var(--bg-tertiary) 0);
  box-shadow: 0 0 20px var(--brand-glow);
}

.ats-score-radial::after {
  content: '';
  position: absolute;
  width: 66px;
  height: 66px;
  background: var(--bg-secondary);
  border-radius: 50%;
}

.ats-score-number {
  position: relative;
  z-index: 2;
  font-size: 1.5rem;
  font-weight: 800;
  font-family: 'Inter', sans-serif;
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}
.ats-score-number span {
  font-size: 0.65rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
}

.ats-score-info {
  flex: 1;
}
.ats-score-info h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}
.ats-score-info p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

#cv-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-shrink: 0;
}

.editor-panel footer {
  flex-shrink: 0;
}

/* Custom Accordion Sections for CV Editor */
.section-accordion {
  background: var(--glass-bg);
  border: var(--card-border);
  border-radius: var(--border-radius-md);
  box-shadow: var(--box-shadow-premium);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.accordion-header {
  padding: 1.2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
  background: rgba(255, 255, 255, 0.02);
  transition: var(--transition-smooth);
}
.accordion-header:hover {
  background: rgba(255, 255, 255, 0.04);
}

.accordion-title-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.accordion-title-container i {
  color: var(--brand-primary);
  font-size: 1.2rem;
}

.accordion-title-container h3 {
  font-size: 1rem;
  font-weight: 600;
}

.accordion-arrow {
  font-size: 0.8rem;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.section-accordion.active .accordion-arrow {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-accordion.active .accordion-content {
  max-height: 2500px; /* high enough limit for dynamically expanding forms */
  border-top: var(--card-border);
}

.accordion-inner {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* --- Form Fields Styles --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  width: 100%;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  background: var(--bg-tertiary);
  border: var(--card-border);
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-sm);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-smooth);
  width: 100%;
}

input:focus,
textarea:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.5;
}

/* Helper dynamic array item styles (e.g. dynamic work history blocks) */
.dynamic-item-card {
  background: rgba(255, 255, 255, 0.02);
  border: var(--card-border);
  border-radius: var(--border-radius-sm);
  padding: 1.25rem;
  margin-bottom: 1rem;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: var(--transition-smooth);
}

.dynamic-item-card:hover {
  background: rgba(255, 255, 255, 0.04);
}

.item-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed var(--glass-border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.25rem;
}

.item-card-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--brand-primary);
}

.btn-remove-item {
  color: var(--color-danger);
  background: transparent;
  border: none;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: var(--transition-smooth);
}
.btn-remove-item:hover {
  opacity: 0.8;
  transform: translateX(-2px);
}

.btn-add-item {
  background: transparent;
  color: var(--brand-primary);
  border: 1px dashed var(--brand-primary);
  border-radius: var(--border-radius-sm);
  padding: 0.75rem;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-add-item:hover {
  background: rgba(99, 102, 241, 0.05);
  color: var(--brand-secondary);
  border-color: var(--brand-secondary);
}

/* Keyword Optimization Section */
.keyword-analysis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

@media (max-width: 600px) {
  .keyword-analysis-grid {
    grid-template-columns: 1fr;
  }
}

.kw-card {
  background: rgba(255, 255, 255, 0.01);
  border: var(--card-border);
  border-radius: var(--border-radius-sm);
  padding: 1rem;
}

.kw-card-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  display: flex;
  justify-content: space-between;
}

.kw-badge-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  max-height: 120px;
  overflow-y: auto;
  padding-right: 0.2rem;
}

.badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}

.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--color-danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
  cursor: pointer;
  transition: var(--transition-smooth);
}
.badge-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

/* ATS Checker Checklist Box */
.ats-checklist {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: 0.5rem;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.checklist-icon {
  font-size: 0.9rem;
  margin-top: 0.1rem;
}

.checklist-icon.pass {
  color: var(--color-success);
}
.checklist-icon.fail {
  color: var(--color-danger);
}


/* ==========================================================================
   RIGHT PANEL - LIVE CV PREVIEW
   ========================================================================== */
.preview-panel {
  background: #252836;
  padding: 2.5rem;
  overflow-y: auto;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: relative;
}

@media (max-width: 1100px) {
  .preview-panel {
    height: auto;
    overflow-y: visible;
    padding: 1.5rem 1rem;
  }
}

body.light-theme .preview-panel {
  background: #e2e8f0;
}

/* CV A4 Sheet Frame */
.cv-sheet-container {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  transform-origin: top center;
  transition: transform 0.3s ease;
}

/* Exact A4 Standard: 210mm x 297mm. High fidelity preview. */
.cv-sheet {
  width: 210mm;
  min-height: 297mm;
  background-color: var(--cv-bg);
  color: var(--cv-text-primary);
  padding: 20mm;
  font-family: 'Times New Roman', Times, Baskerville, Georgia, serif; /* Times New Roman is the gold standard for traditional, elegant ATS-friendly resumes */
  font-size: 9.5pt;
  line-height: 1.5;
  box-sizing: border-box;
  text-align: left;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14pt;
}

/* Ensure no visual scale filters interfere in pure print, but display nice scaled on screens if they overflow */
@media (max-width: 900px) {
  .cv-sheet-container {
    width: 100%;
    overflow-x: auto;
    display: flex;
    justify-content: flex-start;
  }
  .cv-sheet {
    transform: scale(0.8);
    transform-origin: top left;
    margin-bottom: -60mm; /* offset spacing of scaling */
  }
}
@media (max-width: 680px) {
  .cv-sheet {
    transform: scale(0.6);
    margin-bottom: -120mm;
  }
}
@media (max-width: 500px) {
  .cv-sheet {
    transform: scale(0.45);
    margin-bottom: -160mm;
  }
}

/* --- Clean CV Document Typography (Optimized for ATS Parsing) --- */
.cv-header {
  border-bottom: 2px solid var(--cv-accent);
  padding-bottom: 8pt;
  display: flex;
  flex-direction: column;
  gap: 4pt;
}

.cv-name {
  font-size: 20pt;
  font-weight: 700;
  color: var(--cv-text-primary);
  font-family: 'Times New Roman', Times, Baskerville, Georgia, serif;
  letter-spacing: -0.5px;
  line-height: 1.1;
  text-transform: uppercase;
}

.cv-title-text {
  font-size: 11pt;
  font-weight: 600;
  color: var(--cv-accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 2pt;
}

.cv-contact-row {
  display: flex;
  flex-wrap: wrap;
  column-gap: 12pt;
  row-gap: 4pt;
  font-size: 8.5pt;
  color: var(--cv-text-muted);
  font-family: 'Inter', sans-serif;
  font-weight: 400;
}

.cv-contact-item {
  display: flex;
  align-items: center;
  gap: 3pt;
}

/* Structural CV Sections */
.cv-section {
  display: flex;
  flex-direction: column;
  gap: 6pt;
}

.cv-section-title {
  font-size: 11pt;
  font-weight: 700;
  color: var(--cv-accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--cv-border);
  padding-bottom: 2pt;
  margin-bottom: 2pt;
  font-family: 'Inter', sans-serif;
}

.cv-summary {
  font-size: 9.5pt;
  color: var(--cv-text-secondary);
  text-align: justify;
}

/* Experience / Education Block Item Styles */
.cv-item {
  display: flex;
  flex-direction: column;
  gap: 3pt;
  margin-bottom: 4pt;
  page-break-inside: avoid; /* Prevent parsing/rendering block splits in PDF generation */
}

.cv-item-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-weight: 700;
  font-size: 9.5pt;
}

.cv-company-info {
  display: flex;
  align-items: baseline;
  gap: 4pt;
}

.cv-company-name {
  color: var(--cv-text-primary);
}

.cv-company-separator {
  color: var(--cv-text-muted);
  font-weight: 400;
  font-size: 8pt;
}

.cv-job-position {
  font-style: italic;
  font-weight: 500;
  color: var(--cv-text-secondary);
}

.cv-item-date {
  font-size: 8.5pt;
  color: var(--cv-text-muted);
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  text-align: right;
  white-space: nowrap;
}

.cv-item-subline {
  display: flex;
  justify-content: space-between;
  font-size: 8.5pt;
  color: var(--cv-text-muted);
  font-style: italic;
}

.cv-item-description {
  font-size: 9pt;
  color: var(--cv-text-secondary);
  white-space: pre-line; /* Renders bullet lists correctly */
  margin-top: 1pt;
}

/* Skills, Languages, Certificates Layout */
.cv-skills-list {
  font-size: 9pt;
  color: var(--cv-text-secondary);
  line-height: 1.6;
}

.cv-languages-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200mm / 3, 1fr));
  gap: 6pt;
}

.cv-language-item {
  display: flex;
  gap: 4pt;
  font-size: 9pt;
}
.cv-lang-name {
  font-weight: 700;
}
.cv-lang-level {
  color: var(--cv-text-muted);
  font-style: italic;
}

.cv-certificates-list {
  display: flex;
  flex-direction: column;
  gap: 4pt;
}

.cv-cert-item {
  display: flex;
  justify-content: space-between;
  font-size: 9pt;
}

.cv-cert-name {
  font-weight: 600;
}

.cv-cert-org {
  color: var(--cv-text-muted);
  font-style: italic;
}

.cv-cert-date {
  color: var(--cv-text-muted);
  font-family: 'Inter', sans-serif;
  font-size: 8.5pt;
}

/* ==========================================================================
   PRINT LAYOUT STYLESHEET (@media print)
   Critical for exact 100% ATS PDF matching
   ========================================================================== */
@media print {
  /* Set document size perfectly */
  @page {
    size: A4 portrait;
    margin: 0; /* Let paper borders control margins cleanly */
  }

  /* Hide everything except CV preview */
  body, html {
    background: #ffffff !important;
    color: #000000 !important;
    overflow: visible !important;
    height: auto !important;
    min-height: auto !important;
    width: 210mm !important;
  }

  .app-container {
    display: block !important;
    height: auto !important;
    overflow: visible !important;
    border: none !important;
  }

  .editor-panel,
  .btn-icon,
  .btn,
  .header-actions,
  .ats-scanner-dashboard,
  .preview-panel {
    display: none !important; /* Hide sidebar completely */
  }

  .preview-panel {
    padding: 0 !important;
    background: transparent !important;
    overflow: visible !important;
    height: auto !important;
    display: block !important;
  }

  .cv-sheet-container {
    box-shadow: none !important;
    transform: none !important;
    width: 210mm !important;
    height: auto !important;
    overflow: visible !important;
  }

  .cv-sheet {
    width: 210mm !important;
    min-height: 297mm !important;
    padding: 20mm !important;
    background: #ffffff !important;
    color: #000000 !important;
    box-sizing: border-box !important;
    overflow: visible !important;
    position: static !important;
  }

  /* Ensure maximum color legibility in print */
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  a {
    text-decoration: none !important;
    color: inherit !important;
  }
}