:root[data-theme="dark"]{--bg:#0a0a0a;--bg2:#161616;--bg3:#232323;--text:#e4e1d6;--text2:#999;--accent:#ff8c00;}
:root[data-theme="light"]{--bg:#f5f5f5;--bg2:#fff;--bg3:#e8e8e8;--text:#1a1a1a;--text2:#666;--accent:#ff8c00;}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);transition:0.3s;}
.container{max-width:1200px;margin:0 auto;padding:20px;}
header{background:var(--bg2);padding:20px;border-radius:8px;margin-bottom:30px;display:flex;justify-content:space-between;align-items:center;}
.logo{font-size:24px;font-weight:700;}
.logo span{color:var(--accent);}
nav{display:flex;gap:20px;align-items:center;}
nav a{color:var(--text);text-decoration:none;padding:10px 15px;border-radius:4px;transition:0.3s;}
nav a:hover{background:var(--bg3);}
#theme-btn{cursor:pointer;font-size:20px;padding:10px 15px;border-radius:4px;background:transparent;border:none;transition:0.3s;}
#theme-btn:hover{background:var(--bg3);}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 20px;border-radius:4px;text-decoration:none;transition:0.3s;border:none;cursor:pointer;}
.btn:hover{background:#ff6a00;}
.form-section{background:var(--bg2);padding:25px;border-radius:8px;margin-bottom:30px;}
.form-group{margin-bottom:15px;}
.form-group label{display:block;margin-bottom:5px;font-weight:600;}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px;background:var(--bg3);border:1px solid #2a2a2a;border-radius:4px;color:var(--text);}
table{width:100%;border-collapse:collapse;}
th,td{padding:12px;text-align:left;border-bottom:1px solid #2a2a2a;}
th{background:var(--bg3);font-weight:600;}
tr:hover{background:var(--bg3);}
.msg{background:#4caf50;color:#fff;padding:15px;border-radius:4px;margin-bottom:20px;}
.alert-red{background:#d32f2f;color:#fff;padding:15px;border-radius:4px;margin-bottom:20px;}
.card{background:var(--bg2);padding:25px;border-radius:8px;border-left:4px solid var(--accent);}
h1,h2,h3{color:var(--text);margin-bottom:15px;}
.dashboard{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;}
.stats{background:var(--bg2);padding:20px;border-radius:8px;margin-bottom:30px;}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:15px;}
.stat-item{background:var(--bg3);padding:15px;border-radius:4px;text-align:center;}
.stat-number{font-size:24px;font-weight:700;color:var(--accent);}
.stat-label{font-size:12px;color:var(--text2);margin-top:5px;}
.modal-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:100;align-items:center;justify-content:center;}
.modal-overlay.active{display:flex;}
.modal-box{background:var(--bg2);padding:25px;border-radius:8px;max-width:500px;width:90%;max-height:85vh;overflow-y:auto;}
.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;}
.modal-close{cursor:pointer;font-size:24px;background:none;border:none;color:var(--text);}

.icon-btn {
    padding: 8px 10px;
    font-size: 18px;
    line-height: 1;
    margin-right: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    min-height: 36px;
}
#menu-btn { display: none; cursor: pointer; font-size: 24px; background: none; border: none; color: var(--text); }

@media (max-width: 768px) {
    header { flex-wrap: wrap; justify-content: flex-start; }
    .logo { flex: 1; order: 1; }
    #menu-btn { display: block; order: 2; margin-left: auto; }
    #theme-btn { order: 3; }
    nav#mainNav { display: none; width: 100%; flex-direction: column; gap: 0; order: 5; margin-top: 15px; }
    nav#mainNav.open { display: flex; }
    nav#mainNav a { padding: 12px 15px; border-bottom: 1px solid var(--bg3); }
    .cards-grid { grid-template-columns: 1fr !important; }
    .stat-row { grid-template-columns: repeat(2,1fr) !important; }
    table { font-size: 13px; }
    th, td { padding: 8px 6px; }
}

@media (max-width: 768px) {
    .card { overflow-x: auto; }
    body { overflow-x: hidden; }
}