/* Modern Professional UST Card System Styles */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap");
@import url("https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css");

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

:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --danger-color: #ef4444;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;

  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;

  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-tertiary: #f3f4f6;
  --bg-dark: #111827;

  --border-color: #e5e7eb;
  --border-light: #f3f4f6;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animated Background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(120, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(255, 119, 198, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 40% 40%,
      rgba(120, 219, 255, 0.3) 0%,
      transparent 50%
    );
  animation: backgroundShift 20s ease-in-out infinite;
  z-index: -1;
}

@keyframes backgroundShift {
  0%,
  100% {
    transform: translate(0, 0) rotate(0deg);
  }
  33% {
    transform: translate(-30px, -30px) rotate(1deg);
  }
  66% {
    transform: translate(30px, -30px) rotate(-1deg);
  }
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  position: relative;
  z-index: 1;
}

/* Header Styles */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 40px 30px;
  text-align: center;
  margin-bottom: 30px;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: slideInDown 0.8s ease-out;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

header h1 {
  font-size: 2.8rem;
  font-weight: 700;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

header p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  font-weight: 400;
  opacity: 0.9;
}

/* Form Container */
.form-container {
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: slideInUp 0.8s ease-out 0.2s both;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Groups */
.form-group {
  margin-bottom: 25px;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg-primary);
  transition: var(--transition);
  position: relative;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
  transform: translateY(-2px);
}

.form-group input:hover,
.form-group select:hover {
  border-color: var(--primary-light);
  transform: translateY(-1px);
}

/* Photo Upload */
.photo-upload {
  position: relative;
  margin-bottom: 25px;
}

.photo-preview {
  margin-top: 15px;
  max-width: 200px;
  max-height: 200px;
  border: 3px dashed var(--border-color);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: var(--transition);
  background: var(--bg-secondary);
}

.photo-preview:hover {
  border-color: var(--primary-color);
  background: var(--bg-tertiary);
}

.photo-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.photo-preview.empty::before {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 3rem;
  color: var(--text-light);
}

/* Donation Section */
.donation-section {
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-tertiary));
  padding: 30px;
  border-radius: var(--radius-xl);
  margin: 30px 0;
  border: 1px solid var(--border-light);
  animation: fadeIn 0.6s ease-out 0.4s both;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.donation-section h3 {
  margin-bottom: 25px;
  color: var(--text-primary);
  font-size: 1.4rem;
  font-weight: 600;
  text-align: center;
  position: relative;
}

.donation-section h3::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: 2px;
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  padding: 15px 20px;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition);
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.checkbox-group label::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(99, 102, 241, 0.1),
    transparent
  );
  transition: var(--transition);
}

.checkbox-group label:hover::before {
  left: 100%;
}

.checkbox-group label:hover {
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin-right: 15px;
  transform: scale(1.3);
  accent-color: var(--primary-color);
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 40px;
  flex-wrap: wrap;
}

.btn {
  padding: 16px 32px;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 160px;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: var(--transition);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary-color), #059669);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  animation: fadeIn 0.3s ease-out;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  width: 60%;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-xl);
  animation: slideInUp 0.4s ease-out;
  margin: auto;
}

.modal-header {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  color: white;
  padding: 25px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0;
}

.close {
  color: white;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: var(--transition);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: rotate(90deg);
}

.modal-body {
  padding: 30px;
}

.card-preview {
  text-align: center;
}

#cardCanvas {
  border: 3px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow-lg);
}

.preview-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-primary);
  color: var(--text-primary);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--primary-color);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  transform: translateX(400px);
  animation: slideInRight 0.3s ease-out forwards;
}

.toast.success {
  border-left-color: var(--success-color);
}

.toast.error {
  border-left-color: var(--danger-color);
}

.toast.warning {
  border-left-color: var(--warning-color);
}

.toast.info {
  border-left-color: var(--info-color);
}

.toast-icon {
  font-size: 1.2rem;
}

.toast.success .toast-icon {
  color: var(--success-color);
}

.toast.error .toast-icon {
  color: var(--danger-color);
}

.toast.warning .toast-icon {
  color: var(--warning-color);
}

.toast.info .toast-icon {
  color: var(--info-color);
}

.toast-message {
  flex: 1;
  font-weight: 500;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}

.toast-close:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

@keyframes slideInRight {
  to {
    transform: translateX(0);
  }
}

@keyframes slideOutRight {
  to {
    transform: translateX(400px);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  header {
    padding: 30px 20px;
  }

  header h1 {
    font-size: 2.2rem;
  }

  .form-container {
    padding: 25px 20px;
  }

  .checkbox-group {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .modal-content {
    width: 100%;
  }

  .modal-header {
    padding: 20px;
  }

  .modal-body {
    padding: 20px;
  }

  .toast {
    min-width: 280px;
    margin: 0 10px;
  }
}

/* Success Modal */
#successModal .modal-content {
  text-align: center;
  max-width: 500px;
}

#successModal .modal-header {
  background: linear-gradient(135deg, var(--success-color), #059669);
}

.success-icon {
  font-size: 4rem;
  color: var(--success-color);
  margin-bottom: 20px;
  animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

.success-message {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
  padding: 10px 20px;
  margin-top: 10px;
}

.ust-number {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  color: white;
  border-radius: var(--radius-lg);
  display: inline-block;
  box-shadow: var(--shadow-md);
  padding: 10px 20px;
  margin-top: 10px;
}