/* CSS Design System - Fresher Job Discovery System (Light Clean Mode) */

:root {
  /* Colors */
  --bg-primary: #f8fafc; /* Crisp slate-light bg */
  --bg-secondary: #ffffff; /* Card/Sidebar base */
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --border-color: #e2e8f0; /* Soft border */
  --border-color-active: #4f46e5; /* Active/Focus Indigo */
  
  --color-primary: #4f46e5; /* Premium Indigo */
  --color-primary-glow: rgba(79, 70, 229, 0.05);
  --color-accent: #0891b2; /* Professional Cyan */
  --color-accent-glow: rgba(8, 145, 178, 0.06);
  
  --color-success: #059669; /* Emerald */
  --color-warning: #d97706; /* Amber */
  --color-danger: #dc2626; /* Rose */
  --color-gem: #db2777; /* Pink Gem */
  
  --text-primary: #0f172a; /* Slate 900 */
  --text-secondary: #475569; /* Slate 600 */
  --text-muted: #64748b; /* Slate 500 */
  
  /* Badges */
  --badge-mnc: #6d28d9;
  --badge-product: #1d4ed8;
  --badge-startup: #be185d;

  /* Typography */
  --font-sans: 'Inter', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* App Container */
.app-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Header & Typography */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.25rem;
  line-height: 1.2;
}

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

.subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

.app-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08), rgba(8, 145, 178, 0.08));
  border: 1px solid rgba(79, 70, 229, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.06);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.01);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(79, 70, 229, 0.3);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
}

.stat-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 10px;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Main Layout */
.main-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 968px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* Sidebar / Filters */
.filters-sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02), 0 1px 2px rgba(0, 0, 0, 0.01);
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.sidebar-header h3 {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Input Styles */
.search-input-wrapper {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

#search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.25rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

#search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

/* Checkboxes */
.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.checkbox-container {
  display: block;
  position: relative;
  padding-left: 2rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-primary);
  user-select: none;
}

.checkbox-container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.checkmark {
  position: absolute;
  top: 0.1rem;
  left: 0;
  height: 1.2rem;
  width: 1.2rem;
  background-color: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.checkbox-container:hover input ~ .checkmark {
  border-color: var(--color-primary);
}

.checkbox-container input:checked ~ .checkmark {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
  display: block;
}

.checkbox-container .checkmark:after {
  left: 6px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Select Dropdown */
.select-wrapper {
  position: relative;
}

.select-wrapper::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 0.8rem;
  pointer-events: none;
}

select {
  appearance: none;
  width: 100%;
  padding: 0.75rem 1rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  color: var(--text-primary);
  outline: none;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

select:focus {
  border-color: var(--color-primary);
}

/* Tabs Navigation */
.results-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.results-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.results-tabs::-webkit-scrollbar {
  height: 4px;
}

.results-tabs::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 10px;
  white-space: nowrap;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(0, 0, 0, 0.03);
}

.tab-btn.active {
  color: var(--color-primary);
  background: var(--color-primary-glow);
  border: 1px solid rgba(79, 70, 229, 0.2);
}

/* Active Filters Badge Info */
.active-filters-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.filter-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-badge {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--text-primary);
}

.filter-badge .remove-badge {
  cursor: pointer;
  color: var(--text-muted);
}

.filter-badge .remove-badge:hover {
  color: var(--color-danger);
}

/* Spreadsheet Grid Layout */
.grid-header {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr 2fr 1.2fr;
  padding: 1rem 1.5rem;
  background: #f1f5f9;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  gap: 1rem;
  align-items: center;
}

.companies-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.company-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr 2fr 1.2fr;
  padding: 1.25rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  font-size: 0.9rem;
  gap: 1rem;
  align-items: center;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.01), 0 1px 2px rgba(0, 0, 0, 0.005);
  transition: all var(--transition-fast);
}

.company-row:hover {
  transform: translateX(4px);
  border-color: rgba(79, 70, 229, 0.3);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.03), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
}

@media (max-width: 968px) {
  .grid-header {
    display: none;
  }
  .company-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding: 1.25rem;
  }
  .col-name { grid-column: span 2; }
  .col-type { grid-column: span 1; }
  .col-industry { grid-column: span 1; }
  .col-location { grid-column: span 1; }
  .col-roles { grid-column: span 2; }
  .col-action { grid-column: span 2; margin-top: 0.5rem; }
}

/* Row Columns */
.col-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.col-roles {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.col-action {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

/* Badges styling */
.badge {
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  white-space: nowrap;
}

.badge-mnc {
  background: rgba(109, 40, 217, 0.08);
  color: #6d28d9;
  border: 1px solid rgba(109, 40, 217, 0.15);
}

.badge-product {
  background: rgba(29, 78, 216, 0.08);
  color: #1d4ed8;
  border: 1px solid rgba(29, 78, 216, 0.15);
}

.badge-startup {
  background: rgba(190, 24, 93, 0.08);
  color: #be185d;
  border: 1px solid rgba(190, 24, 93, 0.15);
}

.badge-remote {
  background: rgba(8, 145, 178, 0.08);
  color: #0e7490;
  border: 1px solid rgba(8, 145, 178, 0.15);
}

.badge-strategy {
  background: rgba(0, 0, 0, 0.03);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.gem-icon {
  color: var(--color-gem);
  filter: drop-shadow(0 0 3px rgba(219, 39, 119, 0.3));
}

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), #3730a3);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.15);
}

.btn-primary:hover {
  opacity: 0.95;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.25);
}

.btn-outline {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  background: #f1f5f9;
  border-color: var(--text-secondary);
}

.btn-text {
  background: none;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
}

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

.btn-link-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: #f8fafc;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-fast);
}

.btn-link-icon:hover {
  background: var(--color-accent-glow);
  color: var(--color-accent);
  border-color: rgba(8, 145, 178, 0.3);
}

.btn-block {
  width: 100%;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: 20px;
  gap: 1rem;
}

.empty-icon {
  font-size: 3rem;
  color: var(--text-muted);
}

.empty-state h4 {
  font-size: 1.25rem;
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 400px;
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

/* Modal Backer & Glassmorphism Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.3); /* Subtle dark overlay for light mode */
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.glassmorphism {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.08), inset 0 0 20px rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(16px);
}

.modal-content {
  border-radius: 24px;
  width: 100%;
  max-width: 760px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalReveal 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalReveal {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 1.75rem;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

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

.modal-body {
  padding: 2rem;
}

.modal-sections {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 2rem;
}

@media (max-width: 640px) {
  .modal-sections {
    grid-template-columns: 1fr;
  }
}

.modal-section-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.meta-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.detail-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.detail-block h4 {
  font-size: 0.95rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.detail-block p {
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 0.95rem;
}

.strategy-card {
  padding: 1rem;
  border-radius: 12px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.strategy-card strong {
  color: var(--color-accent);
  font-size: 0.95rem;
}

.strategy-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.modal-section-stats {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: fit-content;
}

.metric-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.metric-row span {
  color: var(--text-secondary);
}

.metric-row strong {
  color: var(--text-primary);
}

.score-pill-container {
  display: flex;
}

.score-value-pill {
  background: var(--color-primary-glow);
  color: var(--color-primary);
  border: 1px solid rgba(79, 70, 229, 0.2);
  padding: 0.15rem 0.5rem;
  border-radius: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
}