/* ===== GAG CALCULATOR - GLOBAL RESET & FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

#gag-calc-wrapper *,
#gag-calc-wrapper *::before,
#gag-calc-wrapper *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ===== ROOT VARIABLES ===== */
#gag-calc-wrapper {
    --gag-bg: #0d1117;
    --gag-surface: #161b22;
    --gag-surface2: #1e2631;
    --gag-border: #2d3748;
    --gag-border-glow: #30a14e;
    --gag-text: #e6edf3;
    --gag-muted: #8b949e;
    --gag-green: #39d353;
    --gag-gold: #f0c040;
    --gag-rainbow: linear-gradient(90deg,#ff6b6b,#ffd93d,#6bcb77,#4d96ff,#c77dff);
    --gag-blue: #58a6ff;
    --gag-purple: #bc8cff;
    --gag-red: #f85149;
    --gag-orange: #e3b341;
    --gag-accent: #238636;
    --gag-accent-hover: #2ea043;
    --gag-radius: 12px;
    --gag-radius-sm: 8px;
    --gag-shadow: 0 4px 24px rgba(0,0,0,0.4);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--gag-bg);
    color: var(--gag-text);
    min-height: 600px;
    border-radius: var(--gag-radius);
    overflow: hidden;
    box-shadow: var(--gag-shadow);
    max-width: 1100px;
    width: 100%;
    margin: 0 auto;
    line-height: 1.5;
}

/* ===== HEADER ===== */
.gag-header {
    background: linear-gradient(135deg, #0d2818 0%, #161b22 50%, #0d1a2e 100%);
    padding: 28px 32px 20px;
    border-bottom: 1px solid var(--gag-border);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.gag-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% -20%, rgba(57,211,83,0.12) 0%, transparent 60%);
    pointer-events: none;
}
.gag-header h1 {
    font-size: clamp(1.2rem, 5vw, 2rem);
    font-weight: 800;
    background: var(--gag-rainbow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}
.gag-header p {
    color: var(--gag-muted);
    font-size: clamp(0.72rem, 2.5vw, 0.9rem);
    line-height: 1.4;
}

/* ===== TABS ===== */
.gag-tabs {
    display: flex;
    background: var(--gag-surface);
    border-bottom: 1px solid var(--gag-border);
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    gap: 0;
}
.gag-tabs::-webkit-scrollbar { display: none; }

.gag-tab-btn {
    flex: 1;
    min-width: 90px;
    min-height: 44px;
    padding: 12px 12px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--gag-muted);
    font-size: clamp(0.72rem, 2vw, 0.82rem);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    font-family: inherit;
    letter-spacing: 0.3px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}
.gag-tab-btn:hover { color: var(--gag-text); background: rgba(255,255,255,0.03); }
.gag-tab-btn.active {
    color: var(--gag-green);
    border-bottom-color: var(--gag-green);
    background: rgba(57,211,83,0.06);
}

/* ===== TAB PANELS ===== */
.gag-tab-panel { display: none; padding: 20px; }
.gag-tab-panel.active { display: block; }

/* ===== SECTION CARDS ===== */
.gag-card {
    background: var(--gag-surface);
    border: 1px solid var(--gag-border);
    border-radius: var(--gag-radius);
    padding: 18px;
    margin-bottom: 16px;
}
.gag-card-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--gag-muted);
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}
.gag-card-title span { font-size: 1rem; }

/* ===== FORM GRIDS ===== */
.gag-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gag-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.gag-form-group { display: flex; flex-direction: column; gap: 6px; }
.gag-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--gag-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

/* min 44px touch target */
.gag-select, .gag-input {
    width: 100%;
    background: var(--gag-surface2);
    border: 1px solid var(--gag-border);
    border-radius: var(--gag-radius-sm);
    padding: 11px 12px;
    min-height: 44px;
    color: var(--gag-text);
    font-size: 0.92rem;
    font-family: inherit;
    transition: border-color 0.2s;
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}
.gag-select:focus, .gag-input:focus {
    outline: none;
    border-color: var(--gag-green);
    box-shadow: 0 0 0 3px rgba(57,211,83,0.15);
}
.gag-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b949e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

/* ===== SLIDER ===== */
.gag-slider-wrap { display: flex; flex-direction: column; gap: 10px; }
.gag-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--gag-border);
    outline: none;
    cursor: pointer;
    padding: 10px 0;
    margin: -10px 0;
}
.gag-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--gag-green);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(57,211,83,0.5);
}
.gag-slider::-moz-range-thumb {
    width: 24px; height: 24px;
    border-radius: 50%;
    background: var(--gag-green);
    cursor: pointer;
    border: none;
}
.gag-slider-labels { display: flex; justify-content: space-between; font-size: 0.75rem; color: var(--gag-muted); padding-top: 6px; }

/* ===== MUTATIONS GRID ===== */
.gag-mutation-search {
    width: 100%;
    background: var(--gag-surface2);
    border: 1px solid var(--gag-border);
    border-radius: var(--gag-radius-sm);
    padding: 11px 14px;
    min-height: 44px;
    color: var(--gag-text);
    font-size: 0.88rem;
    font-family: inherit;
    margin-bottom: 14px;
    -webkit-appearance: none;
    appearance: none;
}
.gag-mutation-search:focus { outline: none; border-color: var(--gag-blue); }
.gag-mutation-search::placeholder { color: var(--gag-muted); }

.gag-mutations-grid { display: flex; flex-wrap: wrap; gap: 7px; }

.gag-mut-chip {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    min-height: 36px;
    border-radius: 20px;
    border: 1.5px solid var(--gag-border);
    background: var(--gag-surface2);
    color: var(--gag-text);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.18s;
    user-select: none;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}
.gag-mut-chip:hover { border-color: var(--gag-blue); color: var(--gag-blue); }
.gag-mut-chip:active { transform: scale(0.96); }
.gag-mut-chip.selected { background: rgba(57,211,83,0.15); border-color: var(--gag-green); color: var(--gag-green); }
.gag-mut-chip .gag-mult { font-size: 0.68rem; opacity: 0.7; margin-left: 2px; }
.gag-mut-chip.growth-mut.selected { background: rgba(240,192,64,0.15); border-color: var(--gag-gold); color: var(--gag-gold); }
.gag-mut-chip.rainbow-mut.selected { background: rgba(199,119,255,0.15); border-color: var(--gag-purple); color: var(--gag-purple); }

/* ===== FORMULA BAR ===== */
.gag-formula-bar {
    background: rgba(57,211,83,0.06);
    border: 1px solid rgba(57,211,83,0.2);
    border-radius: var(--gag-radius-sm);
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: clamp(0.7rem, 2vw, 0.82rem);
    color: var(--gag-muted);
    font-family: 'Courier New', monospace;
    overflow-x: auto;
    word-break: break-word;
    line-height: 1.7;
    -webkit-overflow-scrolling: touch;
}
.gag-formula-bar strong { color: var(--gag-green); }

/* ===== RESULT BOX ===== */
.gag-result-box {
    background: linear-gradient(135deg, rgba(57,211,83,0.08), rgba(88,166,255,0.05));
    border: 1px solid rgba(57,211,83,0.3);
    border-radius: var(--gag-radius);
    padding: 24px 16px;
    text-align: center;
    margin-top: 16px;
}
.gag-result-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--gag-muted); margin-bottom: 8px; font-weight: 600; }
.gag-result-value { font-size: clamp(1.6rem, 7vw, 2.8rem); font-weight: 800; color: var(--gag-green); line-height: 1.1; word-break: break-word; }
.gag-result-detail { font-size: clamp(0.72rem, 2.5vw, 0.82rem); color: var(--gag-muted); margin-top: 10px; line-height: 1.8; }
.gag-result-detail span { color: var(--gag-text); font-weight: 600; }

/* ===== BUTTONS - 44px min height ===== */
.gag-btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }
.gag-btn {
    padding: 12px 18px;
    min-height: 44px;
    border-radius: var(--gag-radius-sm);
    border: 1px solid var(--gag-border);
    background: var(--gag-surface2);
    color: var(--gag-text);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.18s;
    font-family: inherit;
    white-space: nowrap;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.gag-btn:hover { background: var(--gag-border); transform: translateY(-1px); }
.gag-btn:active { transform: scale(0.98); }
.gag-btn.primary { background: var(--gag-accent); border-color: var(--gag-accent); color: #fff; }
.gag-btn.primary:hover { background: var(--gag-accent-hover); }
.gag-btn.danger { border-color: rgba(248,81,73,0.4); color: var(--gag-red); }
.gag-btn.danger:hover { background: rgba(248,81,73,0.1); }
.gag-btn.gold { border-color: rgba(240,192,64,0.4); color: var(--gag-gold); }
.gag-btn.gold:hover { background: rgba(240,192,64,0.1); }

/* ===== MUTATIONS TABLE ===== */
.gag-mut-table { width: 100%; border-collapse: collapse; font-size: 0.83rem; min-width: 480px; }
.gag-mut-table th {
    text-align: left; padding: 10px 12px;
    background: var(--gag-surface2); color: var(--gag-muted);
    font-weight: 700; font-size: 0.74rem; text-transform: uppercase;
    letter-spacing: 0.5px; border-bottom: 1px solid var(--gag-border);
    position: sticky; top: 0; z-index: 1;
}
.gag-mut-table td { padding: 9px 12px; border-bottom: 1px solid rgba(45,55,72,0.5); color: var(--gag-text); vertical-align: middle; }
.gag-mut-table tr:hover td { background: rgba(255,255,255,0.02); }
.gag-mut-table .mult-badge { display: inline-block; padding: 3px 8px; border-radius: 12px; font-weight: 700; font-size: 0.78rem; white-space: nowrap; }
.mult-high { background: rgba(248,81,73,0.15); color: #ff6b6b; }
.mult-med  { background: rgba(240,192,64,0.15); color: var(--gag-gold); }
.mult-low  { background: rgba(57,211,83,0.15); color: var(--gag-green); }
.mult-vlow { background: rgba(139,148,158,0.15); color: var(--gag-muted); }
.gag-table-wrap { overflow-x: auto; overflow-y: auto; max-height: 480px; border-radius: var(--gag-radius-sm); border: 1px solid var(--gag-border); -webkit-overflow-scrolling: touch; }

/* ===== TRADE ===== */
.gag-trade-side { flex: 1; min-width: 0; }
.gag-trade-vs { display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 800; color: var(--gag-muted); padding: 8px 4px; flex-shrink: 0; }
.gag-trade-layout { display: flex; gap: 12px; align-items: flex-start; }
.gag-trade-result { text-align: center; padding: 16px; border-radius: var(--gag-radius); font-weight: 700; font-size: clamp(0.9rem, 3vw, 1.2rem); margin-top: 16px; border: 2px solid; line-height: 1.4; word-break: break-word; }
.trade-win { background: rgba(57,211,83,0.1); border-color: var(--gag-green); color: var(--gag-green); }
.trade-loss { background: rgba(248,81,73,0.1); border-color: var(--gag-red); color: var(--gag-red); }
.trade-fair { background: rgba(240,192,64,0.1); border-color: var(--gag-gold); color: var(--gag-gold); }

/* ===== ADDED ITEMS ===== */
.gag-added-list { margin-top: 12px; display: flex; flex-direction: column; gap: 6px; }
.gag-added-item { display: flex; justify-content: space-between; align-items: center; background: var(--gag-surface2); border: 1px solid var(--gag-border); border-radius: var(--gag-radius-sm); padding: 8px 12px; font-size: 0.83rem; gap: 8px; }
.gag-added-item .item-name { font-weight: 600; color: var(--gag-text); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gag-added-item .item-val { color: var(--gag-green); font-weight: 700; white-space: nowrap; }
.gag-added-item .item-del { color: var(--gag-red); cursor: pointer; font-size: 1rem; padding: 0 4px; min-width: 28px; min-height: 28px; display: flex; align-items: center; justify-content: center; -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

/* ===== STATS ===== */
.gag-stats-row { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.gag-stat-badge { flex: 1; min-width: 80px; background: var(--gag-surface2); border: 1px solid var(--gag-border); border-radius: var(--gag-radius-sm); padding: 10px 8px; text-align: center; }
.gag-stat-badge .val { font-size: clamp(1rem, 3vw, 1.2rem); font-weight: 800; color: var(--gag-green); }
.gag-stat-badge .lbl { font-size: 0.68rem; color: var(--gag-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 2px; }

/* ===== TOOLTIPS ===== */
.gag-tip { position: relative; display: inline-block; }
.gag-tip-icon { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; border-radius: 50%; background: var(--gag-border); color: var(--gag-muted); font-size: 0.65rem; font-weight: 700; cursor: help; margin-left: 4px; vertical-align: middle; min-width: 18px; }
.gag-tip-text { display: none; position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); background: #1e2631; border: 1px solid var(--gag-border); color: var(--gag-text); font-size: 0.75rem; font-weight: 400; padding: 7px 10px; border-radius: 6px; width: 180px; z-index: 999; line-height: 1.4; box-shadow: 0 4px 16px rgba(0,0,0,0.4); pointer-events: none; white-space: normal; }
.gag-tip:hover .gag-tip-text { display: block; }

/* ===== SCROLLBAR ===== */
#gag-calc-wrapper ::-webkit-scrollbar { width: 6px; height: 6px; }
#gag-calc-wrapper ::-webkit-scrollbar-track { background: var(--gag-surface); }
#gag-calc-wrapper ::-webkit-scrollbar-thumb { background: var(--gag-border); border-radius: 3px; }
#gag-calc-wrapper ::-webkit-scrollbar-thumb:hover { background: var(--gag-muted); }


/* ============================================================
   RESPONSIVE — TABLET: 768px - 1024px
   ============================================================ */
@media (max-width: 1024px) {
    .gag-tab-panel { padding: 18px; }
    .gag-header { padding: 22px 24px 16px; }
    .gag-card { padding: 16px; }
    .gag-trade-layout { gap: 10px; }
}

/* ============================================================
   RESPONSIVE — SMALL TABLET / LARGE MOBILE: 480px - 767px
   ============================================================ */
@media (max-width: 767px) {
    .gag-tab-panel { padding: 14px; }
    .gag-header { padding: 18px 14px 14px; }
    .gag-card { padding: 14px; margin-bottom: 14px; }
    .gag-grid-3 { grid-template-columns: 1fr 1fr; gap: 10px; }

    /* TABS: 2-row grid on small tablet — 3 on top, 2 on bottom */
    .gag-tabs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        overflow-x: visible;
        flex-wrap: unset;
    }
    .gag-tab-btn {
        min-width: unset;
        width: 100%;
        font-size: 0.74rem;
        padding: 10px 6px;
        min-height: 44px;
        border-bottom: 2px solid transparent;
        border-right: 1px solid var(--gag-border);
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    /* Last row (4th and 5th tab): center them in 3-col grid */
    .gag-tab-btn:nth-child(4),
    .gag-tab-btn:nth-child(5) {
        grid-column: span 1;
    }
    /* Fill 4th and 5th tab nicely — make them each 1.5 wide */
    .gag-tab-btn:nth-child(4) { grid-column: 1 / 2; }
    .gag-tab-btn:nth-child(5) { grid-column: 2 / 4; }

    /* Trade stacked */
    .gag-trade-layout { flex-direction: column; gap: 0; }
    .gag-trade-vs { transform: none; padding: 8px 0; font-size: 1rem; background: var(--gag-surface2); border-top: 1px solid var(--gag-border); border-bottom: 1px solid var(--gag-border); margin: 0; }
    .gag-trade-side { width: 100%; }

    /* Buttons full width */
    .gag-btn-row { flex-direction: column; }
    .gag-btn-row .gag-btn { width: 100%; justify-content: center; }

    .gag-stat-badge { min-width: calc(50% - 6px); }
    .gag-mut-chip { padding: 9px 13px; font-size: 0.8rem; }
}

/* ============================================================
   RESPONSIVE — MOBILE: 320px - 479px
   ============================================================ */
@media (max-width: 479px) {
    #gag-calc-wrapper { border-radius: 0; }
    .gag-header { padding: 14px 12px 12px; }
    .gag-tab-panel { padding: 12px; }
    .gag-card { padding: 12px; margin-bottom: 12px; border-radius: 10px; }

    /* All grids → single column */
    .gag-grid-2 { grid-template-columns: 1fr; gap: 10px; }
    .gag-grid-3 { grid-template-columns: 1fr; gap: 10px; }

    /* TABS: 2-row grid — 3 tabs on top row, 2 on bottom */
    .gag-tabs {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        overflow-x: visible;
    }
    .gag-tab-btn {
        min-width: unset;
        width: 100%;
        font-size: clamp(0.6rem, 3.2vw, 0.72rem);
        padding: 9px 4px;
        min-height: 46px;
        border-bottom: 2px solid transparent;
        border-right: 1px solid var(--gag-border);
        text-align: center;
        line-height: 1.3;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .gag-tab-btn:nth-child(3) { border-right: none; }
    .gag-tab-btn:nth-child(4) {
        grid-column: 1 / 2;
        border-top: 1px solid var(--gag-border);
    }
    .gag-tab-btn:nth-child(5) {
        grid-column: 2 / 4;
        border-top: 1px solid var(--gag-border);
        border-right: none;
    }
    .gag-tab-btn:nth-child(1),
    .gag-tab-btn:nth-child(2),
    .gag-tab-btn:nth-child(3) {
        border-top: none;
    }

    /* Prevent iOS zoom on focus */
    .gag-select, .gag-input { font-size: 16px; padding: 12px 12px; min-height: 48px; }
    .gag-select { padding-right: 36px; }
    .gag-mutation-search { font-size: 16px; min-height: 48px; }

    .gag-result-value { font-size: 1.8rem; }
    .gag-result-box { padding: 18px 12px; }
    .gag-result-detail { font-size: 0.72rem; line-height: 1.8; }

    .gag-trade-layout { flex-direction: column; }
    .gag-trade-vs { text-align: center; padding: 10px 0; font-size: 0.9rem; background: var(--gag-surface2); border-top: 1px solid var(--gag-border); border-bottom: 1px solid var(--gag-border); transform: none; }

    .gag-btn-row { flex-direction: column; gap: 8px; }
    .gag-btn-row .gag-btn { width: 100%; justify-content: center; min-height: 48px; }

    .gag-mut-table { font-size: 0.75rem; }
    .gag-mut-table th { padding: 8px; font-size: 0.68rem; }
    .gag-mut-table td { padding: 8px; }
    .gag-table-wrap { max-height: 360px; }

    .gag-stats-row { gap: 8px; }
    .gag-stat-badge { min-width: calc(50% - 5px); padding: 10px 6px; }
    .gag-stat-badge .lbl { font-size: 0.62rem; }

    .gag-mutations-grid { gap: 6px; }
    .gag-mut-chip { font-size: 0.75rem; padding: 7px 10px; }

    .gag-tip-text { width: 160px; left: auto; right: 0; transform: none; }
    .gag-card-title { font-size: 0.78rem; }
    .gag-formula-bar { font-size: 0.65rem; padding: 8px 10px; line-height: 1.8; }

    /* Mutations tab filter row stacks vertically */
    #gag-tab-mutations .gag-card > div:first-child {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    #gag-tab-mutations .gag-select { width: 100% !important; min-width: unset !important; }
}

/* Very small phones */
@media (max-width: 359px) {
    .gag-tab-btn { font-size: 0.58rem; padding: 8px 3px; }
    .gag-result-value { font-size: 1.5rem; }
    .gag-btn { font-size: 0.78rem; }
}

@media print {
    .gag-tabs, .gag-btn-row { display: none; }
    .gag-tab-panel { display: block !important; }
    #gag-calc-wrapper { box-shadow: none; }
}