* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Montserrat', sans-serif;
}

:root {
  --bg-color: #121212;
  --card-bg: #1e1e1e;
  --header-bg: #252525;
  --text-primary: #ffffff;
  --text-secondary: #b3b3b3;
  --accent-color: #bb86fc;
  --danger-color: #cf6679;
  --button-bg: #333333;
  --button-hover: #444444;
  --form-bg: #2d2d2d;
  --input-bg: #333333;
  --border-color: #444444;
  --shadow-color: rgba(0, 0, 0, 0.5);
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  user-select: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

body.offline .header::after {
  content: 'Offline Mode';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--danger-color);
  color: white;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  animation: fadeIn 0.3s ease;
}

/* Dim interface when offline */
body.offline {
  filter: grayscale(20%);
}

body.offline .person-card {
  opacity: 0.8;
}

.app-container {
  max-width: 100dvw;
  margin: 0 auto;
  position: relative;
  height: 100vh;
  overflow-x: hidden;
  overflow-y: auto;
  background-color: var(--bg-color);
}

/* Main Page Styles */
.main-page {
  height: 100%;
  width: 100%;
  overflow-y: auto;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  padding-top: 85px; /* Add padding to account for fixed header height */
}

.header {
  position: fixed;  /* Changed from relative to fixed */
  top: 0;
  left: 0%;
  transform: translateX(-50%);
  padding: 20px;
  background-color: var(--header-bg);
  display: flex;
  align-items: center;
  border-radius: 0 0 40px 40px;
  box-shadow: 0 4px 12px var(--shadow-color);
  animation: slideInDown 0.5s ease;
  width: 100dvw;
  z-index: 100;
}

.add-btn {
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: var(--accent-color);
  border: none;
  color: var(--bg-color);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-right: 15px;
  box-shadow: 0 2px 8px rgba(187, 134, 252, 0.3);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.add-btn:hover {
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 4px 12px rgba(187, 134, 252, 0.5);
}

.title-container {
  flex-grow: 1;
  cursor: pointer;
  transition: all 0.3s ease;
}

.title-container:hover {
  transform: translateY(-2px);
  text-shadow: 0 0 8px rgba(187, 134, 252, 0.5);
}

.title-container h1 {
  font-size: medium;
  font-weight: 600;
  text-align: left;
  letter-spacing: 1px;
}

.title-container i {
  font-size: 14px;
  margin-left: 5px;
  opacity: 0.8;
  transition: transform 0.3s ease;
}

.title-container:hover i {
  transform: translateY(3px);
}

.people-list {
  padding: 25px 15px;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.person-card {
  background-color: var(--card-bg);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 5px 15px var(--shadow-color);
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  position: relative;
}

.person-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.7);
}

.person-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--accent-color) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.5s ease;
  z-index: 1;
  pointer-events: none;
}

.person-card:hover::before {
  opacity: 0.2;
}

.person-image {
  width: 100%;
  height: 320px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.person-card:hover .person-image {
  transform: scale(1.05);
}

.person-info {
  padding: 20px;
  text-align: center;
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  position: relative;
  z-index: 2;
}

.person-info h3 {
  font-size: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.person-card:hover .person-info h3 {
  transform: scale(1.05);
  color: var(--accent-color);
}

/* Detail Page Styles */
.detail-page {
  position: absolute;
  top: -10dvh;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(18, 18, 18, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  opacity: 0;
  pointer-events: none;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  backdrop-filter: blur(5px);
}

.detail-page.active {
  opacity: 1;
  pointer-events: auto;
}

.detail-content {
  position: relative;
  background-color: var(--card-bg);
  padding: 40px 30px;
  border-radius: 25px;
  text-align: center;
  max-width: 85%;
  box-shadow: 0 10px 30px var(--shadow-color);
  border: 2px solid var(--accent-color);
  transform: scale(0.8);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.detail-page.active .detail-content {
  transform: scale(1);
  opacity: 1;
}

.detail-text {
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.close-btn {
  position: absolute;
  bottom: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--danger-color);
  border: none;
  color: var(--text-primary);
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 5px 15px rgba(207, 102, 121, 0.4);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.close-btn:hover {
  transform: translateX(-50%) scale(1.1) rotate(90deg);
  box-shadow: 0 8px 20px rgba(207, 102, 121, 0.6);
}

/* Add Person Form Styles */
.add-person-form {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  opacity: 0;
  pointer-events: none;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  backdrop-filter: blur(8px);
}

.add-person-form.active {
  opacity: 1;
  pointer-events: auto;
}

.form-container {
  background-color: var(--form-bg);
  padding: 30px;
  border-radius: 20px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 15px 30px var(--shadow-color);
  border: 1px solid var(--border-color);
  transform: translateY(50px);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

.add-person-form.active .form-container {
  transform: translateY(0);
  opacity: 1;
}

.form-container h2 {
  text-align: center;
  margin-bottom: 25px;
  font-size: 22px;
  color: var(--accent-color);
  font-weight: 600;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 16px;
  background-color: var(--input-bg);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(187, 134, 252, 0.25);
}

.form-group textarea {
  height: 120px;
  resize: none;
}

/* File input styling */
.file-input-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.file-input-label {
  display: inline-block;
  padding: 12px 15px;
  background-color: var(--accent-color);
  color: var(--bg-color);
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  text-align: center;
  transition: all 0.3s ease;
}

.file-input-label:hover {
  background-color: #a370db;
  transform: translateY(-2px);
}

.file-input-label i {
  margin-right: 8px;
}

#fileNameDisplay {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 5px;
  word-break: break-all;
}

.form-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
}

.form-buttons button {
  padding: 12px 25px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

#cancelAddBtn {
  background-color: var(--button-bg);
  color: var(--text-primary);
}

#cancelAddBtn:hover {
  background-color: var(--button-hover);
  transform: translateX(-5px);
}

#savePersonBtn {
  background-color: var(--accent-color);
  color: var(--bg-color);
}

#savePersonBtn:hover {
  opacity: 0.9;
  transform: translateX(5px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-color);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInDown {
  from { transform: translateY(-50px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.person-card {
  animation: fadeIn 0.8s cubic-bezier(0.68, -0.55, 0.27, 1.55) forwards;
}

/* Animation classes for dynamic application */
.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-rotate {
  animation: rotate 1s linear infinite;
}

.animate-fade-in {
  animation: fadeIn 0.5s forwards;
}

.animate-slide-in {
  animation: slideInDown 0.5s forwards;
}