@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700&display=swap');

:root {
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #334155;
  --border-color: #334155;
  --border-highlight: #475569;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  
  --primary: #6366f1;
  --primary-hover: #4f46e5;

  /* Status Colors */
  --status-applied-bg: rgba(56, 189, 248, 0.15);
  --status-applied-color: #38bdf8;
  --status-applied-border: rgba(56, 189, 248, 0.4);

  --status-interview-bg: rgba(245, 158, 11, 0.15);
  --status-interview-color: #fbbf24;
  --status-interview-border: rgba(245, 158, 11, 0.4);

  --status-offered-bg: rgba(16, 185, 129, 0.15);
  --status-offered-color: #34d399;
  --status-offered-border: rgba(16, 185, 129, 0.4);

  --status-rejected-bg: rgba(239, 68, 68, 0.15);
  --status-rejected-color: #f87171;
  --status-rejected-border: rgba(239, 68, 68, 0.4);

  --status-withdrawn-bg: rgba(148, 163, 184, 0.15);
  --status-withdrawn-color: #cbd5e1;
  --status-withdrawn-border: rgba(148, 163, 184, 0.4);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  padding-bottom: 3rem;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.brand-text h1 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(to right, #ffffff, #cbd5e1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  gap: 0.5rem;
}

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: inherit;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--border-highlight);
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
  background-color: rgba(239, 68, 68, 0.3);
}

/* Stats Row */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: transform 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-highlight);
}

.stat-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-info .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
}

.stat-info .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Toolbar & Filters */
.toolbar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.filters-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.4rem 0.85rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--border-highlight);
}

.filter-btn.active {
  background-color: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.3);
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  gap: 0.5rem;
  min-width: 250px;
}

.search-box input {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 0.875rem;
  outline: none;
  width: 100%;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

/* Spreadsheet Table Styling */
.table-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow-x: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.spreadsheet-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.spreadsheet-table th {
  background-color: #162032;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.9rem 1rem;
  border-bottom: 2px solid var(--border-color);
  user-select: none;
  white-space: nowrap;
}

.spreadsheet-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.spreadsheet-table tr:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Quick Add Row */
.quick-add-row {
  background-color: rgba(99, 102, 241, 0.05);
  border-bottom: 2px solid var(--primary);
}

.quick-add-row td {
  padding: 0.5rem 0.75rem;
}

.table-input {
  width: 100%;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.table-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.table-select {
  width: 100%;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
}

.table-select:focus {
  outline: none;
  border-color: var(--primary);
}

/* Status Badges & Colors */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.status-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

/* Status variants */
.status-APPLIED {
  background-color: var(--status-applied-bg);
  color: var(--status-applied-color);
  border-color: var(--status-applied-border);
}
.status-APPLIED .dot { background-color: var(--status-applied-color); }

.status-INTERVIEW {
  background-color: var(--status-interview-bg);
  color: var(--status-interview-color);
  border-color: var(--status-interview-border);
}
.status-INTERVIEW .dot { background-color: var(--status-interview-color); animation: pulse 1.5s infinite; }

.status-OFFERED {
  background-color: var(--status-offered-bg);
  color: var(--status-offered-color);
  border-color: var(--status-offered-border);
}
.status-OFFERED .dot { background-color: var(--status-offered-color); }

.status-REJECTED {
  background-color: var(--status-rejected-bg);
  color: var(--status-rejected-color);
  border-color: var(--status-rejected-border);
}
.status-REJECTED .dot { background-color: var(--status-rejected-color); }

.status-WITHDRAWN {
  background-color: var(--status-withdrawn-bg);
  color: var(--status-withdrawn-color);
  border-color: var(--status-withdrawn-border);
}
.status-WITHDRAWN .dot { background-color: var(--status-withdrawn-color); }

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* Company Name Column */
.company-cell {
  font-weight: 600;
  color: #ffffff;
}

.position-cell {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.notes-cell {
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #cbd5e1;
}

.actions-cell {
  display: flex;
  gap: 0.35rem;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-backdrop.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 100%;
  max-width: 550px;
  padding: 1.5rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.25s ease;
}

.modal-backdrop.show .modal-content {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.modal-header h3 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
}

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.4rem;
  cursor: pointer;
}

.close-btn:hover {
  color: #fff;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  background-color: var(--bg-dark);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
}

textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

.empty-state icon {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  display: block;
}

/* View Switcher Tabs */
.view-switcher {
  display: flex;
  background-color: var(--bg-dark);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  gap: 4px;
}

.view-tab-btn {
  padding: 0.45rem 1rem;
  border-radius: 7px;
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  transition: all 0.2s ease;
}

.view-tab-btn:hover {
  color: var(--text-main);
}

.view-tab-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

/* Calendar View */
.calendar-container {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  padding: 1.25rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.calendar-title {
  font-family: 'Outfit', sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}

.calendar-nav {
  display: flex;
  gap: 0.5rem;
}

.calendar-legend {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1rem;
  padding: 0.5rem 0.75rem;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  flex-wrap: wrap;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.calendar-grid-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.calendar-grid-body {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 1px;
  background-color: var(--border-color);
  margin-top: 1px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.calendar-day-cell {
  background-color: var(--bg-card);
  min-height: 110px;
  padding: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transition: background-color 0.2s ease;
}

.calendar-day-cell:hover {
  background-color: #26334d;
}

.calendar-day-cell.other-month {
  background-color: rgba(15, 23, 42, 0.6);
  opacity: 0.5;
}

.calendar-day-cell.is-today {
  background-color: rgba(99, 102, 241, 0.08);
}

.calendar-day-cell.is-today .day-number {
  background-color: var(--primary);
  color: #fff;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.day-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.day-number {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.events-list {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  overflow-y: auto;
  max-height: 80px;
}

.calendar-event-chip {
  padding: 0.25rem 0.45rem;
  border-radius: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.calendar-event-chip:hover {
  transform: scale(1.02);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.event-type-interview {
  background-color: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border-color: rgba(168, 85, 247, 0.4);
}

.event-type-start {
  background-color: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.4);
}

.event-type-applied {
  background-color: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search-box {
    width: 100%;
  }

  .spreadsheet-table {
    font-size: 0.85rem;
  }
}