/* استایل فرم ثبت تبلیغ */
:root {
  --bg: #fafafa;
  --card: #ffffff;
  --text: #262626;
  --text-secondary: #8e8e8e;
  --accent: #0b84ff;
  --accent-hover: #0a73e6;
  --error: #ef4444;
  --success: #16a34a;
  --border: #dbdbdb;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Yekan Bakh', -apple-system, BlinkMacSystemFont, 'Segoe UI', Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* هدر */
.main-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--accent), #3b82f6);
  border-radius: 10px;
  color: white;
  font-size: 24px;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(11,132,255,0.3);
}

.brand h1 {
  font-size: 22px;
  font-weight: 800;
  margin: 0;
  color: var(--text);
}

.brand p {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-link {
  padding: 8px 16px;
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  border-radius: 8px;
  transition: var(--transition);
}

.nav-link:hover {
  background: var(--bg);
  color: var(--accent);
}

.btn-logout {
  color: #ef4444 !important;
}

.btn-logout:hover {
  background: rgba(239,68,68,0.1);
  color: #ef4444 !important;
}

/* محتوای اصلی */
.main-content {
  flex: 1;
  padding: 24px 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.form-container {
  max-width: 900px;
  margin: 0 auto;
}

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}

.form-card h2 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--text);
}

.form-card > p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 14px;
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 600;
}

.alert-error {
  background: rgba(239,68,68,0.1);
  color: var(--error);
  border: 1px solid rgba(239,68,68,0.2);
}

.alert-success {
  background: rgba(22,163,74,0.1);
  color: var(--success);
  border: 1px solid rgba(22,163,74,0.2);
}

.create-form {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-section h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.required {
  color: var(--error);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
  background: var(--card);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(11,132,255,0.1);
}

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

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* آپلود بنر */
.upload-area {
  margin-top: 8px;
}

.upload-label {
  display: block;
  cursor: pointer;
}

.upload-label input[type="file"] {
  display: none;
}

.upload-content {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px;
  text-align: center;
  transition: var(--transition);
  background: var(--bg);
}

.upload-label:hover .upload-content {
  border-color: var(--accent);
  background: rgba(11,132,255,0.05);
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 12px;
}

.upload-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.upload-text strong {
  font-size: 16px;
  color: var(--text);
}

.upload-text span {
  font-size: 14px;
  color: var(--text-secondary);
}

.upload-info {
  margin-top: 16px;
  padding: 16px;
  background: rgba(11,132,255,0.05);
  border-radius: 8px;
  border: 1px solid rgba(11,132,255,0.2);
}

.upload-info p {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  font-size: 14px;
}

.upload-info ul {
  list-style: none;
  padding-right: 20px;
  margin: 0;
}

.upload-info li {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 6px;
  line-height: 1.6;
}

.upload-info li:before {
  content: "• ";
  color: var(--accent);
  font-weight: 700;
  margin-left: 8px;
}

/* خلاصه قیمت */
.price-summary {
  margin-top: 24px;
  padding: 20px;
  background: rgba(11,132,255,0.05);
  border-radius: 8px;
  border: 1px solid rgba(11,132,255,0.2);
  text-align: center;
}

.price-display {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.price-summary small {
  font-size: 12px;
  color: var(--text-secondary);
}

/* دکمه */
.btn {
  padding: 14px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(11,132,255,0.3);
}

.btn-block {
  width: 100%;
}

.btn-large {
  padding: 16px;
  font-size: 16px;
}

/* فوتر */
.main-footer {
  background: var(--card);
  border-top: 1px solid var(--border);
  padding: 24px 20px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: auto;
}

/* ریسپانسیو */
@media (max-width: 768px) {
  .form-card {
    padding: 24px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .upload-content {
    padding: 30px 20px;
  }
  
  .upload-icon {
    font-size: 40px;
  }
}

@media (max-width: 480px) {
  .form-card {
    padding: 20px;
  }
  
  .form-card h2 {
    font-size: 20px;
  }
  
  .upload-content {
    padding: 24px 16px;
  }
}