:root {
    --bg-dark:    #090c10;
    --bg-card:    #0d1117;
    --bg-panel:   #161b22;
    --text-primary:   #e6edf3;
    --text-secondary: #8b949e;
    --accent:     #7ee787;
    --accent-blue:#58a6ff;
    --accent-glow:rgba(126,231,135,0.2);
    --border:     #21262d;
    --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after { margin:0; padding:0; box-sizing:border-box; }
body {
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}
.container { max-width: 900px; margin: 0 auto; padding: 2rem 1.5rem; }

/* ── Header ── */
header { text-align: center; padding: 3.5rem 0 2rem; }
.logo { display: inline-flex; align-items: center; gap: 0.5rem; margin-bottom: 0.75rem; }
.logo-icon { font-size: 2.4rem; line-height: 1; }
h1 {
    font-size: 3rem; font-weight: 800;
    background: linear-gradient(100deg, #7ee787 0%, #58a6ff 60%, #a371f7 100%);
    background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}
.subtitle { font-size: 1.05rem; color: var(--text-secondary); margin-top: 0.5rem; }
.badge-row { display: flex; justify-content: center; gap: 0.5rem; margin-top: 1.2rem; flex-wrap: wrap; }
.badge {
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: 999px; padding: 0.3rem 0.9rem;
    font-size: 0.75rem; color: var(--text-secondary);
}

/* ── Main card ── */
.main-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 2rem;
    box-shadow: 0 8px 40px rgba(0,0,0,0.45);
    margin-bottom: 3rem;
}

/* ── Top inputs row ── */
.top-row {
    display: grid;
    grid-template-columns: 1fr 200px;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
label {
    display: block; margin-bottom: 0.35rem;
    color: var(--text-secondary); font-size: 0.78rem;
    text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}
input[type="text"], select {
    width: 100%; background: var(--bg-dark);
    border: 1px solid var(--border); border-radius: 10px;
    padding: 0.75rem 1rem; color: var(--text-primary);
    font-size: 0.95rem; transition: var(--transition); appearance: none;
}
input[type="text"]:focus, select:focus {
    outline: none; border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
select option { background: var(--bg-panel); }

/* ── Option toggles row ── */
.options-strip {
    display: flex; gap: 1.5rem; flex-wrap: wrap;
    padding: 0.9rem 1.1rem; background: var(--bg-dark);
    border: 1px solid var(--border); border-radius: 10px;
    margin-bottom: 1.5rem; align-items: center;
}
.check-opt { display: flex; align-items: center; gap: 7px; cursor: pointer; }
.check-opt input[type="checkbox"] {
    width: 16px; height: 16px; cursor: pointer;
    accent-color: var(--accent); border-radius: 4px;
}
.check-opt span { font-size: 0.85rem; color: var(--text-secondary); user-select: none; }

/* ── Tabs ── */
.tabs-row {
    display: grid; grid-template-columns: repeat(4, 1fr);
    background: var(--bg-dark); border: 1px solid var(--border);
    border-radius: 10px; overflow: hidden; margin-bottom: 0;
}
.tab-btn {
    padding: 0.65rem 0.5rem; border: none; background: transparent;
    color: var(--text-secondary); font-size: 0.85rem; cursor: pointer;
    transition: var(--transition); font-weight: 500;
    display: flex; align-items: center; justify-content: center; gap: 5px;
}
.tab-btn:not(:last-child) { border-right: 1px solid var(--border); }
.tab-btn.active {
    background: linear-gradient(135deg, #7ee78714, #58a6ff14);
    color: var(--accent-blue); font-weight: 700;
    border-bottom: 2px solid var(--accent-blue);
}
.tab-btn:hover:not(.active) { background: #ffffff08; color: var(--text-primary); }

/* ── Card panel ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.card-panel {
    background: var(--bg-dark); border: 1px solid var(--border);
    border-top: none; border-radius: 0 0 12px 12px; padding: 1.5rem;
}
.card-panel img {
    display: block; width: 100%; max-width: 500px;
    margin: 0 auto; border-radius: 10px; height: auto;
}
.panel-footer {
    display: flex; justify-content: flex-end; align-items: center;
    gap: 0.75rem; margin-top: 1rem; padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.panel-hint { color: var(--text-secondary); font-size: 0.8rem; }

/* ── Hide stat pills (only shows in Stats tab) ── */
.hide-pills {
    display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem;
}
.pill-label {
    display: flex; align-items: center; gap: 6px;
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: 999px; padding: 0.3rem 0.85rem;
    font-size: 0.8rem; color: var(--text-secondary); cursor: pointer;
    transition: var(--transition); user-select: none;
}
.pill-label:hover { border-color: var(--accent-blue); color: var(--text-primary); }
.pill-label input { display:none; }
.pill-label.checked { background: #58a6ff18; border-color: var(--accent-blue); color: var(--accent-blue); }
.pill-label.checked::before { content: '✕ '; font-size: 0.7rem; }
.pills-label { font-size: 0.75rem; color: var(--text-secondary); margin-top: 1rem; margin-bottom: 0.4rem; text-transform: uppercase; letter-spacing: 0.07em; font-weight: 600;}

/* ── Copy button ── */
.copy-btn {
    background: linear-gradient(135deg, #7ee787, #58a6ff);
    color: #000; border: none; border-radius: 8px;
    padding: 0.55rem 1.3rem; font-weight: 700; font-size: 0.85rem;
    cursor: pointer; transition: var(--transition);
}
.copy-btn:hover { opacity: 0.88; transform: translateY(-1px); box-shadow: 0 4px 14px var(--accent-glow); }

/* ── Footer ── */
footer {
    text-align: center; color: var(--text-secondary);
    padding: 1.5rem; border-top: 1px solid var(--border);
    font-size: 0.85rem;
}
footer a { color: var(--accent-blue); text-decoration: none; }

@media (max-width:640px) {
    h1 { font-size: 2.2rem; }
    .top-row { grid-template-columns: 1fr; }
    .main-card { padding: 1.25rem; }
    .tabs-row { grid-template-columns: repeat(2,1fr); }
}