:root {
  --primary: #CE1126; /* Egyptian red */
  --primary-dark: #a00e1e;
  --secondary: #000000; /* Egyptian black */
  --accent: #ffffff; /* Egyptian white */
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --light-bg: #f8f9fa;
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.3);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, 'Cairo', sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
  overflow-x: hidden;
}

/* Header with Egyptian flag */
.egypt-header {
  background: linear-gradient(90deg, #CE1126 33%, #ffffff 33%, #ffffff 66%, #000000 66%);
  height: 8px;
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* Main container */
.container {
  max-width: 900px;
  margin: 100px auto 40px;
}

/* Hero section */
.hero-section {
  text-align: center;
  margin-bottom: 2rem;
  animation: fadeInDown 0.8s ease;
}

.hero-section h1 {
  font-size: 2.8rem;
  font-weight: 800;
  color: white;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  animation: pulse 2s infinite;
}

.hero-section p {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.95);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* Glass card design */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
  animation: slideUp 0.6s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(206, 17, 38, 0.05) 0%, transparent 70%);
  z-index: 0;
}

.glass-card > * {
  position: relative;
  z-index: 1;
}

/* Calculator form */
.calculator-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.8rem;
  animation: fadeIn 0.5s ease;
}

.form-label {
  font-weight: 600;
  color: var(--secondary);
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
  display: block;
}

.form-control {
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  padding: 1rem 1.2rem;
  font-size: 1.2rem;
  transition: var(--transition);
  background: white;
  color: var(--secondary);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(206, 17, 38, 0.15);
  outline: none;
}

.form-control::placeholder {
  color: #aaa;
}

/* Calculate button */
.btn-calculate {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border: none;
  padding: 1rem 2.5rem;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 12px;
  width: 100%;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 20px rgba(206, 17, 38, 0.4);
  position: relative;
  overflow: hidden;
}

.btn-calculate:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(206, 17, 38, 0.5);
}

.btn-calculate:active {
  transform: translateY(1px);
}

.btn-calculate::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

.btn-calculate:focus:not(:active)::after {
  animation: ripple 1s ease-out;
}

/* Result section */
.result-container {
  margin-top: 2rem;
  min-height: 120px;
  animation: fadeIn 0.6s ease;
}

.result-box {
  background: white;
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
  border-left: 5px solid var(--success);
  animation: resultPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: none;
}

.result-box.show {
  display: block;
}

.result-title {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.result-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0.5rem 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

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

.result-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #555;
  margin-top: 1rem;
}

/* Tips section - SMALLER */
.tips-section {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 16px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
  animation: slideUp 0.7s ease 0.2s both;
  margin-bottom: 1rem;
}

.tips-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 1.3rem;
}

.tip-box-small {
  background: white;
  border-radius: 12px;
  padding: 1rem;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
  border-left: 3px solid var(--primary);
  transition: var(--transition);
  min-height: 60px;
}

.tip-box-small:hover {
  transform: translateX(3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
}

.tip-text-small {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--secondary);
  font-weight: 500;
}

/* Footer */
.footer {
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1rem;
  margin-top: 2rem;
  padding: 1.5rem;
  animation: fadeIn 1s ease;
}

.footer a {
  color: white;
  text-decoration: underline;
  font-weight: 600;
  transition: var(--transition);
}

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

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

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

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

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.03);
  }
}

@keyframes resultPop {
  0% {
    opacity: 0;
    transform: scale(0.9);
  }
  70% {
    transform: scale(1.03);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 0.5;
  }
  100% {
    transform: scale(100, 100);
    opacity: 0;
  }
}

/* Responsive design */
@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2.2rem;
  }

  .hero-section p {
    font-size: 1.1rem;
  }

  .glass-card {
    padding: 1.8rem;
  }

  .result-value {
    font-size: 2rem;
  }

  .container {
    margin-top: 80px;
  }

  .tips-section {
    padding: 1rem;
  }

  .tip-box-small {
    padding: 0.8rem;
  }

  .tip-text-small {
    font-size: 0.95rem;
  }
}

@media (max-width: 480px) {
  .hero-section h1 {
    font-size: 1.8rem;
  }

  .form-control {
    font-size: 1rem;
    padding: 0.8rem;
  }

  .btn-calculate {
    padding: 0.9rem;
    font-size: 1rem;
  }

  .result-value {
    font-size: 1.8rem;
  }

  .tips-header {
    font-size: 1.1rem;
  }
}

/* ========== ADDED: WhatsApp Share Section ========== */
.share-section {
  margin-top: 2rem;
  text-align: center;
  animation: fadeIn 0.8s ease;
}

.share-box {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  color: white;
  animation: slideUp 0.6s ease 0.1s both;
}

.share-box i {
  font-size: 1.8rem;
}

.share-box span {
  font-size: 1.1rem;
  font-weight: 600;
}

.btn-share {
  background: white;
  color: #128C7E;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-share:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.btn-share:active {
  transform: translateY(1px);
}


/* ========== ADDED: Toast Notification ========== */
.toast-notification {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--success), #218838);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-weight: 600;
  transform: translateX(400px);
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 9999;
  opacity: 0;
}

.toast-notification.show {
  transform: translateX(0);
  opacity: 1;
}

.toast-notification i {
  font-size: 1.3rem;
}

/* ========== ADDED: Responsive for new sections ========== */
@media (max-width: 768px) {
  .share-box {
    flex-direction: column;
    padding: 1.2rem;
  }

  .share-box span {
    font-size: 1rem;
  }

  .counter-box {
    padding: 1rem 1.5rem;
    flex-direction: column;
    gap: 0.5rem;
  }

  .counter-box span {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .share-box {
    padding: 1rem;
  }

  .btn-share {
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
  }

  .counter-box {
    padding: 0.8rem 1.2rem;
  }

  .counter-box span {
    font-size: 1.2rem;
  }

}
/* ========== Cross-Link Tools Section ========== */
.more-tools-section {
  margin: 2rem 0 1rem;
}

.tools-card {
  background: white;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
  border: 1px solid rgba(102, 126, 234, 0.15);
}

.tools-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 16px;
  color: #667eea;
  font-weight: 700;
  font-size: 1.1rem;
}

.tools-grid {
  display: grid;
  gap: 12px;
}

.tool-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: #f8f9ff;
  border-radius: 12px;
  text-decoration: none;
  color: #2d3748;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.tool-link:hover {
  transform: translateX(4px);
  border-color: #667eea;
  background: white;
  box-shadow: 0 5px 15px rgba(0,0,0,0.08);
}

.tool-link i {
  font-size: 1.4rem;
  color: #667eea;
  width: 28px;
  text-align: center;
}

.tool-link strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 2px;
}

.tool-link small {
  color: #666;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 480px) {
  .tool-link {
    flex-direction: column;
    text-align: center;
  }
}