:root{
    --bg: #f5efe4;      /* بيج */
    --card: #ffffff;
    --text: #0f172a;
    --muted: #64748b;
  
    --navy: #0b2a4a;    /* كحلي */
    --gold: #caa24b;    /* ذهبي */
    --line: #e5e7eb;
  
    --danger: #b42318;
    --shadow: 0 10px 25px rgba(2, 6, 23, .08);
  }
  
  *{ box-sizing: border-box; }
  body{
    margin:0;
    font-family: system-ui, -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
    background: linear-gradient(180deg, var(--bg), #fff);
    color: var(--text);
  }
  
  .topbar{
    background: var(--navy);
    color:#fff;
    padding: 14px 18px;
    border-bottom: 4px solid var(--gold);
  }
  
.brand{
  max-width: 1100px;
  margin: 0 auto;
  display:flex;
  align-items:center;
  gap:12px;
  justify-content: space-between;
  flex-direction: row-reverse;
}

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

.brand-right{
  display:flex;
  align-items:center;
  gap:12px;
  flex-direction: row-reverse;
}
  
.logo{
  width:80px;
  height:80px;
  border-radius: 14px;
  background:#fff;
  padding:6px;
  object-fit: contain;
}
  
  h1{ margin:0; font-size: 20px; font-weight: 800; }
  h2{ margin:0 0 10px 0; font-size: 18px; }
  h3{ margin: 0 0 10px 0; font-size: 16px; }
  
  .muted{ color: rgba(255,255,255,.75); }
  .small{ font-size: 12px; }
  .footer{
    text-align:center;
    padding: 18px 0 30px;
    color: var(--muted);
  }
  .footer-content{
    display: flex;
    flex-direction: row;
    gap: 16px;
    align-items: center;
    justify-content: center;
  }
  .footer-content p{
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
  }
  .telegram-btn{
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: #0088cc;
    color: #fff;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 11px;
    transition: all 0.2s ease;
    box-shadow: 0 1px 4px rgba(0, 136, 204, 0.3);
    vertical-align: middle;
  }
  .telegram-btn:hover{
    background: #0077b3;
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 136, 204, 0.4);
  }
  .telegram-icon{
    width: 14px;
    height: 14px;
    fill: currentColor;
  }

  /* Announcement bar (home page) */
  .announcement{
    background: var(--gold);
    color: #111827;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0,0,0,.05);
    box-shadow: 0 4px 12px rgba(15,23,42,.08);
    overflow: hidden;
    position: relative;
    display: block;
    width: 100%;
  }
  .announcement.hidden{
    display: none !important;
  }
  .announcement-inner{
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 14px;
    white-space: nowrap;
    overflow: hidden;
    position: relative;
    height: auto;
  }
  .announcement-inner span{
    display: inline-block;
    animation: announcement-scroll 15s linear infinite;
    font-weight: 700;
    letter-spacing: .02em;
    color: #111827;
  }

  @keyframes announcement-scroll{
    0%{
      transform: translateX(100%);
    }
    100%{
      transform: translateX(-100%);
    }
  }
  
  .container{
    max-width: 1100px;
    margin: 18px auto;
    padding: 0 14px;
  }
  
  .card{
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 16px;
    box-shadow: var(--shadow);
    margin-bottom: 14px;
  }
  
  .divider{
    height:1px;
    background: var(--line);
    margin: 14px 0;
  }
  
  .row{
    display:flex;
    gap: 12px;
    align-items: end;
    flex-wrap: wrap;
  }
  
  .field{
    display:flex;
    flex-direction: column;
    gap: 6px;
    min-width: 220px;
    flex: 1;
  }
  
  label{
    font-size: 13px;
    color: var(--muted);
  }
  
  input, select{
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 12px;
    outline: none;
    font-size: 14px;
    background: #fff;
  }
  input:focus, select:focus{
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(202,162,75,.2);
  }
  
  .stage-buttons{
    display:flex;
    gap: 10px;
    flex-wrap: wrap;
  }
  .btn{
    border: 1px solid rgba(255,255,255,.15);
    background: #fff;
    color: var(--navy);
    border-radius: 12px;
    padding: 10px 14px;
    cursor:pointer;
    font-weight: 700;
    transition: .15s ease;
  }
  .btn:hover{ transform: translateY(-1px); }
  .btn.active{
    background: var(--navy);
    color:#fff;
    border-color: var(--gold);
  }
  .btn.primary{
    background: var(--gold);
    border-color: var(--gold);
    color: #111827;
  }
  .btn.danger{
    background: #fff;
    border-color: rgba(180,35,24,.3);
    color: var(--danger);
  }
  .btn:disabled{
    opacity:.6;
    cursor:not-allowed;
    transform:none;
  }
  
  .msg{ margin-top: 10px; min-height: 20px; color: var(--muted); }
  .msg-ok{ color: #0f766e; }
  .msg-warn{ color: #b45309; }
  .msg-err{ color: #b42318; }
  
  .hidden{ display:none !important; }
  
  .table-wrap{
    overflow:auto;
    border-radius: 14px;
    border: 1px solid var(--line);
  }
  table{
    width:100%;
    border-collapse: collapse;
    min-width: 520px;
  }
  th, td{
    padding: 12px;
    border-bottom: 1px solid var(--line);
    text-align: right;
    font-size: 14px;
  }
  th{
    background: #fafafa;
    color: var(--navy);
  }
  
  .result-head{
    display:flex;
    align-items:center;
    justify-content: space-between;
    gap: 10px;
  }
  
  .badge{
    display:inline-flex;
    align-items:center;
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 800;
    border: 1px solid rgba(202,162,75,.45);
    color: var(--navy);
    background: rgba(202,162,75,.12);
  }
  
  .top-actions{
    max-width: 1100px;
    margin: 0 auto;
    display:flex;
    justify-content:flex-end;
  }
  
  .panel-head{
    display:flex;
    align-items:center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
  }
  .panel-tools{
    display:flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items:center;
  }
  
  .tabs{
    display:flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--line);
  }
  .tab-btn{
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--muted);
    transition: all 0.2s;
  }
  .tab-btn:hover{
    color: var(--text);
  }
  .tab-btn.active{
    color: var(--navy);
    border-bottom-color: var(--gold);
  }
  .tab-content{
    display: block;
  }
  .tab-content.hidden{
    display: none;
  }
  
  .pagination{
    display: flex;
    gap: 8px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 20px;
    padding: 16px 0;
  }
  .pagination-btn{
    min-width: 40px;
    padding: 8px 12px;
    font-size: 14px;
  }
  .pagination-btn.active{
    background: var(--navy);
    color: #fff;
    border-color: var(--gold);
  }
  .pagination-btn:disabled{
    opacity: 0.5;
    cursor: not-allowed;
  }
  .pagination-ellipsis{
    padding: 0 8px;
    color: var(--muted);
  }
  
.modal{
  position: fixed;
  inset: 0;
  background: rgba(15,23,42,.55);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 14px;
  z-index: 1000;
  overflow-y: auto;
}
.modal-content{
  width: min(980px, 100%);
  max-width: 100%;
  max-height: calc(100vh - 28px);
  background:#fff;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 14px;
  overflow-y: auto;
  margin: auto;
}
.modal-head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}
  
  .term-buttons{
    display:flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
  }
  .term-buttons .btn{
    flex: 1;
    min-width: 120px;
  }
  .term-buttons .btn.active{
    background: var(--navy);
    color: #fff;
    border-color: var(--gold);
  }
  
  .grades-grid{
    display:grid;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    gap: 10px;
  }
  .grade-item{
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 10px;
  }
  .grade-item label{
    display:block;
    margin-bottom: 8px;
    color: var(--navy);
    font-weight: 800;
  }
  
@media (max-width: 860px){
  .grades-grid{ grid-template-columns: repeat(2, minmax(160px, 1fr)); }
  .modal-content{
    max-height: calc(100vh - 20px);
    padding: 12px;
    border-radius: 14px;
  }
  .modal-head h3{
    font-size: 16px;
  }
  .modal-head .btn{
    padding: 8px 12px;
    font-size: 13px;
  }
}
@media (max-width: 520px){
  .grades-grid{ grid-template-columns: 1fr; }
  table{ min-width: 420px; }
  .modal{
    padding: 8px;
    align-items: flex-start;
    padding-top: 20px;
  }
  .modal-content{
    max-height: calc(100vh - 16px);
    padding: 12px;
    border-radius: 12px;
  }
  .modal-head{
    flex-direction: column;
    align-items: stretch;
  }
  .modal-head h3{
    font-size: 16px;
    margin-bottom: 8px;
  }
  .modal-head .btn{
    width: 100%;
    padding: 10px;
  }
  .modal .row{
    flex-direction: column;
  }
  .modal .row .field{
    min-width: 100%;
    width: 100%;
  }
  .modal .row .btn{
    width: 100%;
    margin-top: 8px;
  }
  .grade-item{
    padding: 12px;
  }
  .footer-content{
    gap: 8px;
  }
  .telegram-btn{
    padding: 3px 6px;
    font-size: 10px;
  }
  .telegram-icon{
    width: 12px;
    height: 12px;
  }
}