/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* CSS Variables - Design System */
:root {
  /* Nature-inspired Color Palette 
  --primary-green: #2d5016;
  --primary-light: #4a7c2f;
  --primary-dark: #1a3009;
  --accent-green: #7cb342;
  --accent-light: #aed581;*/

  --primary-green: #2d5016;
  --primary-light: #59bc13;
  --primary-dark: #1a3009;
  --accent-green: #7cb342;
  --accent-light: #aed581;

  --secondary-brown: #5d4037;
  --secondary-light: #8d6e63;

  /*--bg-light: #f5f9f3;
  --bg-white: #ffffff;
  --bg-overlay: rgba(45, 80, 22, 0.95);
 */
  --bg-light: #f5f9f3;
  --bg-white: #ffffff;
  --bg-overlay: rgba(45, 80, 22, 0.95);

  --text-primary: #1a2e0a;
  --text-secondary: #4a5a3c;
  --text-light: #6b7c5d;
  --text-white: #ffffff;

  --success: #4caf50;
  --warning: #ff9800;
  --danger: #f44336;
  --info: #2196f3;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-primary);
  background-color: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

a {
  text-decoration: none;
  color: var(--primary-green);
  transition: var(--transition-fast);
}

a:hover {
  color: var(--primary-light);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header/Navigation */
.header {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-icon {
  font-size: 2rem;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-links a {
  color: var(--text-white);
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-links a:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,64L1200,96L1200,0L0,0Z" fill="%23ffffff" fill-opacity="0.05"/></svg>');
  background-size: cover;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: var(--text-white);
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
}

.hero p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

/* Cards */
.card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: var(--spacing-md);
}

.card-title {
  font-size: 1.5rem;
  color: var(--primary-green);
}

.card-body {
  color: var(--text-secondary);
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.stat-card {
  background: linear-gradient(135deg, var(--bg-white) 0%, var(--bg-light) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-green), var(--primary-light));
}

.stat-card:hover {
  border-color: var(--accent-green);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-green);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.3;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: var(--transition-fast);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--primary-green);
  border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
  background: var(--primary-green);
  color: var(--text-white);
}

.btn-danger {
  background: var(--danger);
  color: var(--text-white);
}

.btn-danger:hover {
  background: #d32f2f;
}

.btn-block {
  width: 100%;
  display: block;
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid #e0e0e0;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-green);
  box-shadow: 0 0 0 3px rgba(124, 179, 66, 0.1);
}

.form-select {
  appearance: none;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%232d5016"><path d="M7 10l5 5 5-5z"/></svg>');
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 1.5rem;
  padding-right: 2.5rem;
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* Timeline (for tree logbook) */
.timeline {
  position: relative;
  padding-left: var(--spacing-lg);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-green), var(--primary-light));
}

.timeline-item {
  position: relative;
  padding-bottom: var(--spacing-lg);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -31px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-green);
  border: 3px solid var(--bg-white);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.timeline-content {
  background: var(--bg-white);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.timeline-date {
  color: var(--primary-green);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

/* Status Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-success {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success);
}

.badge-warning {
  background: rgba(255, 152, 0, 0.1);
  color: var(--warning);
}

.badge-danger {
  background: rgba(244, 67, 54, 0.1);
  color: var(--danger);
}

/* Footer */
.footer {
  background: var(--primary-dark);
  color: var(--text-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.footer-section h3 {
  color: var(--text-white);
  margin-bottom: var(--spacing-sm);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.py-2 {
  padding: var(--spacing-md) 0;
}

.py-3 {
  padding: var(--spacing-lg) 0;
}

/* Loading & States */
.loading {
  text-align: center;
  padding: var(--spacing-xl);
}

.spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: var(--primary-green);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

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

.error-message {
  background: rgba(244, 67, 54, 0.1);
  color: var(--danger);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--danger);
}

.success-message {
  background: rgba(76, 175, 80, 0.1);
  color: var(--success);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--success);
}

/* Photo Gallery */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.photo-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.photo-item:hover {
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
}

.photo-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

/* Modal/Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

.modal {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid #e0e0e0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: var(--spacing-md);
}

.modal-footer {
  padding: var(--spacing-md);
  border-top: 1px solid #e0e0e0;
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
}

/* Hidden utility */
.hidden {
  display: none !important;
}

.table-responsive1 {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
}

th,
td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #e0e0e0;
}

th {
    background: var(--primary-green) !important;
    color: white !important;
    font-weight: 600 !important;
}

tr:hover {
    background: var(--bg-light);
}

.qr-display {
    text-align: center;
    padding: 2rem;
}

.qr-display img {
    max-width: 300px;
    border: 4px solid var(--primary-green);
    border-radius: var(--radius-md);
    padding: 1rem;
    background: white;
}

@media print {
    body * {
    visibility: hidden;
}

.qr-print,
    .qr-print * {
    visibility: visible;
}

.qr-print {
    position: absolute;
    top: 0;
    left: 0;
    }
}