/* ============================================
   KAYA YAY - Yay gramaj hesaplayici arayuzu
   ============================================ */

.calc-shell {
    display: grid;
    grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
    padding: 40px 0 8px;
}
@media (max-width: 900px) {
    .calc-shell { grid-template-columns: 1fr; gap: 24px; }
}

/* ---------- Form paneli ---------- */
.calc-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 26px;
}

.calc-tabs {
    display: flex;
    gap: 6px;
    padding: 5px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
}
.calc-tab {
    flex: 1;
    padding: 10px 8px;
    background: none;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast);
}
.calc-tab:hover { color: var(--text-primary); }
.calc-tab.active { background: var(--gradient-primary); color: #fff; }
.calc-tab:focus-visible { outline: 2px solid var(--color-accent-light); outline-offset: 2px; }

.calc-field { margin-bottom: 16px; }
.calc-field label {
    display: block;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 7px;
}
.calc-field label .birim { color: var(--text-muted); font-weight: 400; }
.calc-field input,
.calc-field select {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.98rem;
    transition: border-color var(--transition-fast);
    -moz-appearance: textfield;
}
.calc-field input::-webkit-outer-spin-button,
.calc-field input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-field input:focus,
.calc-field select:focus {
    outline: none;
    border-color: var(--color-accent);
}
.calc-field input::placeholder { color: var(--text-muted); }
.calc-field small {
    display: block;
    margin-top: 6px;
    font-size: 0.76rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.calc-uyari {
    display: none;
    margin-top: 4px;
    padding: 10px 13px;
    background: rgba(183, 49, 56, 0.12);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 6px 6px 0;
    font-size: 0.85rem;
    color: #f0b8bb;
}
.calc-uyari.goster { display: block; }

/* ---------- Sonuc ---------- */
.calc-result {
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 22px;
    margin-top: 22px;
}
.calc-result.bos { opacity: 0.45; }
.calc-result-main {
    text-align: center;
    padding-bottom: 18px;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}
.calc-result-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}
.calc-result-big {
    font-family: var(--font-heading);
    font-size: clamp(1.9rem, 5vw, 2.6rem);
    font-weight: 800;
    line-height: 1.1;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-variant-numeric: tabular-nums;
}
.calc-result-sub { font-size: 0.85rem; color: var(--text-muted); margin-top: 6px; }

.calc-outs { display: flex; flex-direction: column; gap: 10px; }
.calc-out {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 14px;
    font-size: 0.88rem;
}
.calc-out span:first-child { color: var(--text-secondary); }
.calc-out-val {
    color: var(--text-primary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    text-align: right;
}
.calc-out-val.uyari { color: #e0a83c; }

/* ---------- 3B alan ---------- */
.calc-viz {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.calc-viz-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 16px 22px;
    border-bottom: 1px solid var(--border-color);
}
.calc-viz-head h2 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
}
.calc-viz-btn {
    padding: 7px 15px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}
.calc-viz-btn:hover { color: var(--text-primary); border-color: var(--border-hover); }
.calc-viz-btn:focus-visible { outline: 2px solid var(--color-accent-light); outline-offset: 2px; }

#yay3d {
    position: relative;
    width: 100%;
    height: 460px;
    min-height: 320px;
    background:
        radial-gradient(circle at 50% 38%, rgba(183, 49, 56, 0.12) 0%, transparent 62%),
        var(--bg-darker);
    cursor: grab;
    touch-action: pan-y;
}
#yay3d:active { cursor: grabbing; }
#yay3d canvas { display: block; }
@media (max-width: 900px) { #yay3d { height: 340px; } }

.yay3d-hata, .yay3d-not {
    padding: 12px 22px;
    font-size: 0.8rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin: 0;
}

/* ---------- Tel tablosu ---------- */
.tel-tablo-bolum { padding: 52px 0 8px; border-top: 1px solid var(--border-color); margin-top: 48px; }
.tel-tablo-sar {
    max-height: 460px;
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    margin-top: 20px;
}
.tel-tablo { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.tel-tablo th {
    position: sticky;
    top: 0;
    background: #14141d;
    text-align: right;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 12px 18px;
    border-bottom: 1px solid var(--border-color);
}
.tel-tablo th:first-child { text-align: left; }
.tel-tablo td {
    padding: 9px 18px;
    text-align: right;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    font-variant-numeric: tabular-nums;
}
.tel-tablo td:first-child { text-align: left; color: var(--text-primary); font-weight: 500; }
.tel-tablo tr:hover td { background: rgba(255, 255, 255, 0.02); }

.formul-kutu {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 20px 24px;
    margin: 26px 0;
}
.formul-kutu h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 10px;
}
.formul-kutu p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.7; margin-bottom: 8px; }
.formul-kutu p:last-child { margin-bottom: 0; }
.formul-kutu code {
    display: inline-block;
    font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    font-size: 0.9rem;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 6px;
    color: var(--text-primary);
    margin: 3px 0;
}