/* ============================================
   فایل CSS یکپارچه - کم سایز
   ============================================ */

/* ===== فونت ===== */
@font-face {
  font-family: 'iransansdn';
  src: url('../fonts/iransansdn.ttf') format('truetype');
  font-weight: normal;
  font-style: normal;
}

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

/* ===== بدنه ===== */
body {
  font-family: 'iransansdn', 'Segoe UI', Tahoma, sans-serif;
  background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
  min-height: 100vh;
  padding-top: 70px;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

/* ===== نوار ناوبری ===== */
.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  padding: 10px 0;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: #0dcaf0 !important;
  font-size: 1.3rem;
  text-decoration: none;
}

.navbar-brand img {
  -webkit-mask: linear-gradient(-60deg, #000 30%, rgba(0,0,0,0.3), #000 70%) right / 300% 100%;
  mask: linear-gradient(-60deg, #000 30%, rgba(0,0,0,0.3), #000 70%) right / 300% 100%;
  animation: shine 4s infinite;
}

@keyframes shine {
  0% { mask-position: 140% 140%; -webkit-mask-position: 140% 140%; }
  100% { mask-position: -20% -20%; -webkit-mask-position: -20% -20%; }
}

.navbar-nav .nav-link {
  font-weight: 500;
  color: #1a1a2e !important;
  transition: color 0.2s ease;
  padding: 8px 16px;
  border-radius: 12px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: #0dcaf0 !important;
  background: rgba(13, 202, 240, 0.08);
}

.navbar-nav .nav-link i {
  margin-left: 6px;
}

.navbar-toggler {
  border: none;
  padding: 6px 10px;
}

.navbar-toggler:focus {
  box-shadow: none;
}

/* ===== فوتر ===== */
footer {
  background: rgba(0, 0, 0, 0.85);
  color: rgba(255, 255, 255, 0.6);
  padding: 20px 0;
  margin-top: 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer a {
  color: #0dcaf0;
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: #fff;
}

/* ===== کارت‌ها ===== */
.card-modern {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  border: none;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-modern:hover {
  transform: translateY(-5px);
  box-shadow: 0 30px 50px rgba(0, 0, 0, 0.15);
}

.glass-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
}

/* ===== منطقه آپلود ===== */
.upload-area {
  border: 3px dashed #2a5298;
  border-radius: 32px;
  background: #f0f4ff;
  cursor: pointer;
  transition: all 0.3s ease;
}

.upload-area.drag-over {
  background: #e0e8ff;
  border-color: #1e3c72;
  transform: scale(0.99);
}

.drop-zone {
  border: 3px dashed #2a5298;
  border-radius: 28px;
  background: #f0f4ff;
  cursor: pointer;
  transition: all 0.3s ease;
}

.drop-zone.drag-over {
  background: #e0e8ff;
  border-color: #1e3c72;
  transform: scale(0.98);
}

/* ===== دکمه‌ها ===== */
.btn-gradient {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  color: white;
  padding: 12px 30px;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-gradient:hover {
  transform: scale(1.05);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
  color: white;
}

.btn-gradient:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-outline-gradient {
  background: transparent;
  border: 2px solid #667eea;
  color: #667eea;
  border-radius: 50px;
  padding: 10px 25px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-outline-gradient:hover {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-color: transparent;
  color: white;
  transform: scale(1.05);
}

/* ===== کارت پیش‌نمایش ===== */
.preview-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.preview-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* ===== نوار پیشرفت ===== */
.progress-bar-custom {
  height: 6px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  overflow: hidden;
  transition: width 0.3s;
}

.progress-bar-custom .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #667eea, #764ba2);
  border-radius: 10px;
  transition: width 0.3s;
  width: 0%;
}

/* ===== فرمت کارت ===== */
.format-card {
  background: white;
  border-radius: 20px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  text-align: center;
}

.format-card.selected {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-color: #fff;
  transform: scale(1.05);
}

.format-card.selected i,
.format-card.selected h5,
.format-card.selected p {
  color: white !important;
}

/* ===== استخراج متن ===== */
.extracted-text {
  max-height: 300px;
  overflow-y: auto;
  background: #f8f9fa;
  border-radius: 16px;
  padding: 15px;
  font-size: 13px;
  line-height: 1.8;
  text-align: right;
  direction: rtl;
  font-family: 'iransansdn', 'Segoe UI', Tahoma, sans-serif;
}

/* ===== دوستان ===== */
.friend-link-card {
  background: #ffffff !important;
  border: 1px solid #e0e0e0 !important;
  border-radius: 20px !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  cursor: default;
}

.friend-link-card:hover {
  transform: translateY(-6px) !important;
  box-shadow: 0 20px 30px -12px rgba(0, 0, 0, 0.2) !important;
  border-color: #667eea !important;
}

.friend-link {
  color: #1a1a2e !important;
  font-size: 0.95rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s ease;
}

.friend-link-card:hover .friend-link {
  color: #4f46e5 !important;
}

.friend-desc {
  font-size: 0.7rem;
  color: #6c757d !important;
}

.friend-icon {
  background: linear-gradient(135deg, #f8f9ff 0%, #f0f4ff 100%) !important;
  transition: all 0.3s ease;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.friend-link-card:hover .friend-icon {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
}

.friend-link-card:hover .friend-icon i {
  color: white !important;
}

/* ===== انیمیشن‌ها ===== */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-in {
  animation: slideUp 0.5s ease forwards;
}

/* ===== پیش‌نمایش گرید ===== */
.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 20px;
}

/* ===== فایل کارت ===== */
.file-card {
  background: white;
  border-radius: 16px;
  transition: all 0.3s ease;
  border: 1px solid #e0e0e0;
}

.file-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* ===== ریسپانسیو ===== */
@media (max-width: 768px) {
  body {
    padding-top: 60px;
  }

  .navbar-brand {
    font-size: 1.1rem;
  }

  .navbar-brand img {
    width: 32px;
    height: 32px;
  }

  .navbar-nav .nav-link {
    padding: 6px 12px;
    font-size: 0.9rem;
  }

  .display-6 {
    font-size: 1.8rem;
  }

  .friend-link {
    font-size: 0.85rem;
  }
  .friend-link-card {
    padding: 12px !important;
  }
  .friend-icon {
    width: 38px !important;
    height: 38px !important;
  }
  .friend-icon i {
    font-size: 1rem !important;
  }

  .preview-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}

@media (max-width: 576px) {
  .btn-gradient,
  .btn-outline-gradient {
    padding: 10px 20px;
    font-size: 0.9rem;
    width: 100%;
  }

  .upload-area {
    padding: 20px 12px;
  }

  .display-6 {
    font-size: 1.4rem;
  }

  .glass-card {
    padding: 16px !important;
  }
}