*{box-sizing:border-box}
:root{
    --bg:#07110c;
    --panel:#102319;
    --panel-2:#173326;
    --text:#fff;
    --muted:#aebbb3;
    --primary:#28c879;
    --primary-dark:#10824b;
    --accent:#6945b8;
    --gold:#d8c875;
    --danger:#df4c5c;
    --warning:#d99532;
    --border:rgba(216,200,117,.28);
    --shadow:0 18px 55px rgba(0,0,0,.42);
    --radius:16px;
}
html,body{min-height:100%}
body{margin:0;color:var(--text);font-family:Arial,sans-serif;background:var(--bg)}
a{color:inherit}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.page-shell{width:min(1200px,100%);margin:auto;padding:18px}
.topbar{position:sticky;top:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 18px;border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:11px}.brand-icon{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--gold);border-radius:50%;color:var(--gold)}
.brand-title{font-size:18px;font-weight:900}.brand-subtitle{margin-top:3px;color:var(--muted);font-size:12px}
.icon-btn{width:42px;height:42px;display:inline-grid;place-items:center;border:1px solid var(--border);border-radius:50%;text-decoration:none;background:var(--panel)}
.card{border:1px solid var(--border);border-radius:var(--radius);background:var(--panel);box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px;border-bottom:1px solid rgba(255,255,255,.08)}
.card-title{display:flex;align-items:center;gap:10px;margin:0;font-size:19px}.card-title i{color:var(--gold)}
.card-body{padding:18px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-group{min-width:0}.form-group.full{grid-column:1/-1}
label{display:block;margin-bottom:7px;font-size:14px;font-weight:800}
.input,.select,.textarea{width:100%;border:1px solid var(--border);border-radius:12px;background:rgba(0,0,0,.24);color:var(--text);outline:none}
.input,.select{height:50px;padding:0 14px}.textarea{min-height:120px;padding:13px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(40,200,121,.14)}
.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.btn{min-height:46px;padding:0 18px;border:1px solid transparent;border-radius:11px;color:#fff;font-weight:900}.btn-primary{border-color:var(--gold);background:linear-gradient(180deg,var(--primary),var(--primary-dark))}.btn-secondary{border-color:var(--border);background:var(--panel-2)}
.alert{margin-bottom:15px;padding:12px 14px;border-radius:11px;line-height:1.45}.alert-success{background:rgba(18,104,57,.52);color:#c8ffdc}.alert-error{background:rgba(130,27,42,.52);color:#ffd2d7}
.logo-preview{width:100px;height:100px;display:grid;place-items:center;overflow:hidden;border:1px solid var(--border);border-radius:18px;background:rgba(0,0,0,.24);color:var(--gold);font-size:34px}.logo-preview img{width:100%;height:100%;object-fit:cover}
.theme-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.theme-option{position:relative}.theme-option input{position:absolute;opacity:0;pointer-events:none}.theme-box{display:block;padding:16px;border:2px solid var(--border);border-radius:14px;cursor:pointer}.theme-option input:checked + .theme-box{border-color:var(--gold);box-shadow:0 0 0 3px rgba(216,200,117,.14)}.theme-name{font-weight:900}.theme-desc{margin-top:5px;color:var(--muted);font-size:12px}
@media(max-width:700px){.page-shell{padding:12px}.topbar{padding:11px 12px}.brand-subtitle{display:none}.form-grid,.theme-options{grid-template-columns:1fr}.actions{flex-direction:column}.btn{width:100%}}


/* Konsistensi tombol seluruh panel */
.btn,.primary-button,.secondary-button,.icon-btn,.icon-button,.header-icon,
button[class*="button"],a[class*="button"]{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    vertical-align:middle;
    gap:8px;
    line-height:1.15;
    text-align:center;
}
.btn i,.primary-button i,.secondary-button i,.icon-btn i,.icon-button i,
.header-icon i,button[class*="button"] i,a[class*="button"] i{
    flex:0 0 auto;
    line-height:1;
}
.btn span,button[class*="button"] span,a[class*="button"] span{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    line-height:1.15;
}
.theme-options{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.theme-box{position:relative;display:flex;align-items:center;gap:13px;min-height:92px;padding:14px 42px 14px 14px;overflow:hidden;transition:.2s ease}
.theme-box:hover{transform:translateY(-2px)}
.theme-swatch{width:54px;height:54px;flex:0 0 54px;display:grid;place-items:center;border-radius:15px;font-size:25px;background:linear-gradient(145deg,var(--preview-a,#27324d),var(--preview-b,#111827));box-shadow:inset 0 0 0 1px rgba(255,255,255,.18)}
.theme-copy{display:flex;flex-direction:column;justify-content:center;min-width:0}.theme-name,.theme-desc{display:block}.theme-name{font-size:15px}.theme-check{position:absolute;right:14px;top:50%;transform:translateY(-50%) scale(.65);opacity:0;color:var(--gold);transition:.2s ease}.theme-option input:checked + .theme-box .theme-check{opacity:1;transform:translateY(-50%) scale(1)}
.theme-preview-classic{--preview-a:#20b96b;--preview-b:#4b278b}.theme-preview-modern{--preview-a:#7c5cff;--preview-b:#18c8aa}.theme-preview-neon{--preview-a:#ff2bd6;--preview-b:#00d9ff}.theme-preview-luxury{--preview-a:#e2bd55;--preview-b:#17120a}.theme-preview-sakura{--preview-a:#ff83b7;--preview-b:#6f3152}.theme-preview-dj{--preview-a:#fe2a83;--preview-b:#00d1ff}.theme-preview-cyber{--preview-a:#00eaff;--preview-b:#064e67}.theme-preview-nature{--preview-a:#5bd275;--preview-b:#134e3a}.theme-preview-galaxy{--preview-a:#7659ff;--preview-b:#d33cff}.theme-preview-concert{--preview-a:#ff3f55;--preview-b:#5333ed}