/* Common CSS - 공통 스타일 */

/* ========== 통일된 헤더 스타일 ========== */
.work-report-container {
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.work-report-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  text-align: center;
  padding: 2rem 1.5rem;
  margin-bottom: 0;
}

.work-report-header h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 0.75rem 0;
  text-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.3);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.work-report-header .subtitle {
  font-size: clamp(0.875rem, 2vw, 1.1rem);
  opacity: 0.9;
  margin: 0;
  font-weight: 300;
  word-wrap: break-word;
  overflow-wrap: break-word;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
}

.work-report-main {
  background: #f8f9fa;
  min-height: calc(100vh - 12rem);
  padding-top: 2rem;
}

.back-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  color: #495057;
  text-decoration: none;
  border-radius: 0.5rem;
  font-weight: 500;
  margin: 0 1.5rem 1.5rem 1.5rem;
  transition: all 0.3s ease;
  box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.1);
  white-space: nowrap;
}

.back-button:hover {
  background: white;
  color: #007bff;
  transform: translateY(-0.0625rem);
  box-shadow: 0 0.25rem 0.5rem rgba(0,0,0,0.15);
}

/* 반응형 헤더 */
@media (max-width: 768px) {
  .work-report-header {
    padding: 1.5rem 1rem;
  }

  .work-report-header h1 {
    margin-bottom: 0.5rem;
  }

  .back-button {
    margin: 0 1rem 1rem 1rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .work-report-header {
    padding: 1.25rem 0.75rem;
  }

  .work-report-header .subtitle {
    font-size: 0.8125rem;
  }

  .back-button {
    margin: 0 0.75rem 0.75rem 0.75rem;
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
  }
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f8fafc;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 0.5rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

/* ========== 헤더 액션 버튼 ========== */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-right: 1rem;
}

.dashboard-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  background: rgba(255, 255, 255, 0.15);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.dashboard-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.dashboard-btn .btn-icon {
  font-size: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background-color: #3b82f6;
  color: white;
}

.btn-primary:hover {
  background-color: #2563eb;
}

.btn-secondary {
  background-color: #6b7280;
  color: white;
}

.btn-secondary:hover {
  background-color: #4b5563;
}

/* Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }

.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Cards */
.card {
  background: white;
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid #e5e7eb;
}

.card-header {
  padding: 1rem;
  border-bottom: 1px solid #e5e7eb;
}

.card-body {
  padding: 1rem;
}

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

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.25rem;
  color: #374151;
}

.form-control {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Loading */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid #f3f3f3;
  border-top: 3px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 0.5rem;
  }
  
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  h3 { font-size: 1.125rem; }
}