:root {
  --primary: #10b981;
  --primary-dark: #059669;
  --text-dark: #1f2937;
  --text-gray: #6b7280;
  --text-light: #9ca3af;
  --border: #e5e7eb;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
}

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

body {
  font-family: "Tajawal", "Cairo", sans-serif;
  background: var(--bg-light);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  color: var(--text-dark);
}

.container {
  max-width: 450px;
  width: 100%;
}

.card {
  background: var(--bg-white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border);
}

.logo {
  width: 40px;
  height: auto;
  display: block;
  margin: 0 auto 16px;
}

.header {
  text-align: center;
  margin-bottom: 5px;
  padding-bottom: 20px;
}

.header h1 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.subtitle {
  font-size: 14px;
  color: var(--text-gray);
  font-weight: 500;
}

/* حقل الإدخال */
.input-group {
  position: relative;
  margin-bottom: 20px;
}

.input-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 18px;
  z-index: 2;
}

.input-group input {
  width: 100%;
  padding: 14px 44px 14px 16px;
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: 10px;
  color: var(--text-dark);
  font-family: "Tajawal", sans-serif;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.input-group label {
  position: absolute;
  right: 44px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-gray);
  font-size: 15px;
  pointer-events: none;
  transition: all 0.2s;
  background: transparent;
  padding: 0 4px;
}

.input-group input:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label {
  top: 0;
  right: 12px;
  font-size: 12px;
  color: var(--primary);
  background: var(--bg-white);
  padding: 0 6px;
  transform: translateY(-50%);
  font-weight: 600;
}

.input-group input:focus {
  border-color: var(--primary);
}

.input-group input:focus ~ .input-icon {
  color: var(--primary);
}

/* الفئات */
.categories-section {
  margin-bottom: 20px;
}

.categories-label {
  margin-bottom: 12px;
  color: var(--text-dark);
  font-size: 14px;
  font-weight: 600;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.category-item {
  background: var(--bg-white);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 4px 4px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 2px;
  position: relative;
}

.category-item:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.category-item.selected {
  border-color: var(--primary);
  background: #f0fdf4;
}

.checkmark {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--primary);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 11px;
}

.category-item.selected .checkmark {
  display: flex;
}

.category-icon {
  width: 20px;
  height: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: white;
}

.category-icon.religious {
  background: #f59e0b;
}

.category-icon.culture {
  background: #8b5cf6;
}

.category-icon.sport {
  background: #10b981;
}

.category-title {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-dark);
}

/* زر واتساب */
.whatsapp-btn {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  color: white;
  font-family: "Tajawal", sans-serif;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
}

.whatsapp-btn i {
  font-size: 20px;
}

.whatsapp-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.whatsapp-btn:active {
  transform: translateY(0);
}

.whatsapp-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* رسالة الحالة */
#statusMessage {
  margin-top: 12px;
  text-align: center;
  font-size: 13px;
  padding: 10px;
  border-radius: 8px;
  display: none;
  font-weight: 500;
}

#statusMessage.success {
  display: block;
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

#statusMessage.error {
  display: block;
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

/* قسم القناة */
.channel-link {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #f0fdf4;
  padding: 14px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  border: 1.5px solid #86efac;
  transition: all 0.2s;
  margin-top: 16px;
}

.channel-link:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
}

.channel-link > i {
  font-size: 28px;
  color: var(--primary);
  flex-shrink: 0;
}

.channel-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-text span {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
}

.channel-text small {
  font-size: 12px;
  color: var(--text-gray);
}

/* رابط التعليمات */
.instructions-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-light);
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-gray);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.2s;
  margin-top: 16px;
}

.instructions-link:hover {
  background: var(--bg-white);
  color: var(--text-dark);
  border-color: var(--primary);
}

.instructions-link i {
  font-size: 16px;
}

/* قسم الراعي */
.sponsor-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

.sponsor-label {
  text-align: center;
  color: var(--text-light);
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sponsor-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-light);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  transition: all 0.2s;
}

.sponsor-card:hover {
  background: var(--bg-white);
  border-color: var(--primary);
}

.sponsor-logo {
  width: 50px;
  height: 50px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.sponsor-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sponsor-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
}

.sponsor-slogan {
  font-size: 11px;
  color: var(--text-gray);
}

/* للشاشات الصغيرة */
@media (max-width: 600px) {
  .card {
    padding: 20px;
  }

  .header h1 {
    font-size: 24px;
  }

  .logo {
    width: 70px;
  }

  .category-icon {
    width: 45px;
    height: 45px;
    font-size: 22px;
  }

  .category-title {
    font-size: 13px;
  }
}

@media (max-width: 400px) {
  body {
    padding: 12px;
  }

  .card {
    padding: 16px;
  }

  .category-grid {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .category-item {
    flex-direction: row;
    text-align: right;
    padding: 12px;
    gap: 12px;
  }

  .category-icon {
    margin: 0;
  }

  .category-title {
    flex: 1;
  }

  .checkmark {
    position: relative;
    top: auto;
    left: auto;
  }
}