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

    @font-face {
            font-family: 'Yekan';
            src: url('fonts/Yekan.eot'); /* IE9 Compat Modes */
            src: url('fonts/Yekan.eot?#iefix') format('embedded-opentype'), /* IE6-IE8 */
                url('fonts/Yekan.woff2') format('woff2'), /* Modern Browsers */
                url('fonts/Yekan.woff') format('woff'), /* Modern Browsers */
                url('fonts/Yekan.otf') format('opentype'), /* Open Type Font */
                url('fonts/Yekan.ttf') format('truetype'); /* Safari, Android, iOS */
        }
body {
  font-family: 'Yekan';
  background: radial-gradient(circle at 20% 30%, #c9d9f2, #a0b9da);
  min-height: 100vh;
  padding: 20px;
  position: relative;
  background: url("./img/bg.jpg") no-repeat;

}

/* افکت پشت زمینه شیشه‌ای */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.app-container {
  max-width: 1400px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(15px);
  border-radius: 2rem;
  box-shadow: 0 25px 45px rgba(0, 0, 0, 0.2), inset 0 1px 1px rgba(255,255,255,0.3);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.4);
  transition: all 0.3s ease;
}

/* هدر شیشه‌ای */
.main-header {
  background: rgba(30, 47, 65, 0.75);
  backdrop-filter: blur(10px);
  color: white;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.user-info {
  background: rgba(44, 74, 110, 0.7);
  backdrop-filter: blur(5px);
  padding: 0.4rem 1.2rem;
  border-radius: 40px;
  font-size: 0.85rem;
  border: 1px solid rgba(255,255,255,0.3);
}

/* ناوبری شیشه‌ای */
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(5px);
  padding: 0.8rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.3);
}

.nav-btn {
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.4);
  padding: 0.6rem 1.3rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 40px;
  cursor: pointer;
  transition: all 0.2s ease;
  color: #1e2f41;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.nav-btn:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  border-color: rgba(255,255,255,0.8);
}

.nav-btn.active {
  background: #1e6f5c;
  color: white;
  border-color: #1e6f5c;
  box-shadow: 0 6px 14px rgba(30,111,92,0.3);
}

/* محتوای اصلی */
.content-area {
  padding: 1.8rem;
  min-height: 520px;
}

.loader {
  text-align: center;
  padding: 3rem;
  font-size: 1.1rem;
  color: #1e2f41;
  font-weight: 500;
}

/* کارت‌های شیشه‌ای */
.card {
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(10px);
  border-radius: 1.5rem;
  padding: 1.2rem;
  margin-bottom: 1.8rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.12);
  background: rgba(255, 255, 255, 0.65);
}

.card-title {
  font-size: 1.3rem;
  font-weight: bold;
  border-right: 5px solid #1e6f5c;
  padding-right: 14px;
  margin-bottom: 1rem;
  color: #0b2b26;
}

/* جداول شیشه‌ای */
table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 1rem;
  overflow: hidden;
}

th, td {
  text-align: right;
  padding: 12px 10px;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

th {
  background: rgba(30, 47, 65, 0.15);
  backdrop-filter: blur(4px);
  font-weight: 600;
  color: #0a2e28;
}

.badge-paid {
  background: rgba(72, 187, 120, 0.75);
  backdrop-filter: blur(4px);
  color: #064e2b;
  padding: 4px 12px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: bold;
  display: inline-block;
}

.badge-pending {
  background: rgba(246, 173, 85, 0.8);
  color: #7c2d00;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

/* فوتر شیشه‌ای */
.glass-footer {
  background: rgba(30, 47, 65, 0.7);
  backdrop-filter: blur(12px);
  padding: 1rem 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: #f0f0f0;
  border-top: 1px solid rgba(255,255,255,0.3);
  margin-top: 1rem;
}

.glass-footer a {
  color: #FFE5B4;
  text-decoration: none;
  font-weight: bold;
  transition: 0.2s;
}

.glass-footer a:hover {
  color: #ffc107;
  text-shadow: 0 0 5px rgba(255,215,0,0.5);
}

/* ریسپانسیو */
@media (max-width: 700px) {
  .main-nav { justify-content: center; }
  .nav-btn { padding: 0.4rem 1rem; font-size: 0.75rem; }
  .content-area { padding: 1rem; }
  .card-title { font-size: 1.1rem; }
  body { padding: 12px; }
}