/* ==========================================================================
   Multi-Piece Calculator, Begehbares Glas
   ========================================================================== */

.ts-calc-section {
    background: var(--ts-black);
    padding: clamp(4rem, 7vw, 6rem) 0;
    position: relative;
}

.ts-calc-container {
    max-width: var(--ts-max-width);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 4rem);
}

.ts-calc-header {
    margin-bottom: 3rem;
    text-align: left;
    max-width: 720px;
}

.ts-calc-eyebrow {
    display: inline-block;
    font-family: var(--ts-font-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--ts-accent);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.ts-calc-title {
    font-family: var(--ts-font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.05;
    color: var(--ts-white);
    margin: 0 0 1rem;
    letter-spacing: -0.025em;
}

.ts-calc-subtitle {
    font-size: 1.05rem;
    color: var(--ts-silver);
    margin: 0;
    max-width: 56ch;
    line-height: 1.6;
}

.ts-calc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 1.5rem;
    /* Cards apni natural height lenge (no force stretch) */
    align-items: start;
}

.ts-calc-input-col {
    /* Just a layout column. The .ts-piece card inside provides the surface;
       there's no outer wrapper card in the demo. */
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    min-width: 0;
}

.ts-calc-summary-col {
    /* Vertically center the (smaller) total card against the tall input col */
    min-width: 0;
    align-self: center;
    width: 100%;
}

@media (max-width: 900px) {
    .ts-calc-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    .ts-calc-summary-col {
        align-self: stretch;
    }
}

.ts-calc-pieces {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

/* --------------------------------------------------------------------------
   Piece card
   -------------------------------------------------------------------------- */

.ts-piece {
    background: var(--ts-dark);
    border: 1px solid var(--ts-dark-secondary);
    border-radius: var(--ts-radius-xl);
    padding: 1.375rem;
}

.ts-piece-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.85rem;
}

.ts-piece-name {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--ts-white);
}

.ts-piece-num {
    background: var(--ts-accent);
    color: #ffffff;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.ts-piece-remove {
    background: none;
    border: none;
    color: var(--ts-silver-light);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--ts-radius-sm);
    transition: color var(--ts-transition-fast), background var(--ts-transition-fast);
}

.ts-piece-remove:hover {
    color: var(--ts-error);
    background: var(--ts-dark-secondary);
}

.ts-piece-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.ts-piece-field label {
    display: block;
    font-family: var(--ts-font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ts-silver-light);
    margin-bottom: 0.45rem;
    font-weight: 500;
}

.ts-piece-input {
    background: var(--ts-black);
    border: 1px solid #d9cfc1;
    border-radius: var(--ts-radius-md);
    padding: 0.45rem 0.65rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: border-color var(--ts-transition-fast);
}

.ts-piece-input:focus-within {
    border-color: var(--ts-accent);
    box-shadow: 0 0 0 3px var(--ts-accent-glow);
}

.ts-piece-input input {
    background: none;
    border: none;
    outline: none;
    font: inherit;
    color: var(--ts-white);
    font-size: 0.875rem;
    font-weight: 500;
    width: 100%;
    padding: 0;
    -moz-appearance: textfield;
}

.ts-piece-input input::-webkit-outer-spin-button,
.ts-piece-input input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.ts-piece-unit {
    font-family: var(--ts-font-mono);
    font-size: 0.72rem;
    color: var(--ts-silver-light);
    flex-shrink: 0;
    margin-left: 0.4rem;
}

/* Pills (thickness) */
.ts-piece-pills {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
}

.ts-piece-pill {
    background: var(--ts-black);
    border: 1px solid #d9cfc1;
    border-radius: 6px;
    color: var(--ts-silver);
    font-size: 14px;
    font-weight: 500;
    padding: 0.7rem 0.5rem;
    cursor: pointer;
    transition: all var(--ts-transition-fast);
    flex: 1 1 auto;
    min-width: 90px;
    text-align: center;
}

.ts-piece-pill:hover {
    border-color: var(--ts-accent);
    color: var(--ts-accent);
}

.ts-piece-pill.is-active {
    background: var(--ts-accent);
    border-color: var(--ts-accent);
    color: #ffffff;
}

/* Piece selects (edge, glass type, color, foil) */
.ts-piece-edge,
.ts-piece-glass-type,
.ts-piece-color,
.ts-piece-foil {
    background: var(--ts-black);
    border: 1px solid #d9cfc1;
    border-radius: var(--ts-radius-md);
    padding: 0.45rem 0.65rem;
    font: inherit;
    font-size: 0.875rem;
    color: var(--ts-white);
    width: 100%;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'><path d='M2 4l3 3 3-3' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/></svg>");
    background-repeat: no-repeat;
    background-position: right 0.65rem center;
    padding-right: 1.6rem;
}

.ts-piece-edge:focus,
.ts-piece-glass-type:focus,
.ts-piece-color:focus,
.ts-piece-foil:focus {
    outline: none;
    border-color: var(--ts-accent);
    box-shadow: 0 0 0 3px var(--ts-accent-glow);
}

/* Full-width row override (used for thickness pills) */
.ts-piece-row-full {
    grid-template-columns: 1fr;
}

/* Quantity row + stepper */
.ts-piece-row-qty {
    grid-template-columns: 1fr;
}

.ts-piece-field-qty {
    max-width: 180px;
}

.ts-piece-qty {
    display: flex;
    align-items: stretch;
    border: 1px solid #d9cfc1;
    border-radius: var(--ts-radius-md);
    overflow: hidden;
    background: var(--ts-black);
}

.ts-piece-qty:focus-within {
    border-color: var(--ts-accent);
    box-shadow: 0 0 0 3px var(--ts-accent-glow);
}

.ts-qty-btn {
    background: transparent;
    border: none;
    color: var(--ts-white);
    font-size: 1.1rem;
    line-height: 1;
    width: 2.25rem;
    cursor: pointer;
    transition: background var(--ts-transition-fast);
    padding: 0;
}

.ts-qty-btn:hover {
    background: var(--ts-dark-tertiary);
}

.ts-piece-quantity {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    text-align: center;
    color: var(--ts-white);
    font: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: var(--ts-font-mono);
    -moz-appearance: textfield;
    width: 100%;
    padding: 0.45rem 0;
}

.ts-piece-quantity::-webkit-outer-spin-button,
.ts-piece-quantity::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Subtotal */
.ts-piece-subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0.65rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--ts-dark-tertiary);
    font-size: 0.8rem;
    color: var(--ts-silver);
}

.ts-piece-subtotal-value {
    font-weight: 600;
    color: var(--ts-white);
    font-family: var(--ts-font-mono);
}

/* --------------------------------------------------------------------------
   Add piece button
   -------------------------------------------------------------------------- */

.ts-add-piece-btn {
    width: 100%;
    background: var(--ts-black);
    border: 1.5px dashed #d9cfc1;
    color: var(--ts-accent);
    border-radius: var(--ts-radius-lg);
    padding: 0.85rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--ts-transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.ts-add-piece-btn:hover {
    border-style: solid;
    border-color: var(--ts-accent);
    background: var(--ts-dark);
}

/* --------------------------------------------------------------------------
   Quote hint (escape hatch between pieces and total)
   -------------------------------------------------------------------------- */

.ts-calc-quote-hint {
    background: #faf7f3;
    border-radius: var(--ts-radius-md);
    padding: 0.85rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.85rem;
    flex-wrap: wrap;
}

.ts-calc-quote-hint-text {
    font-size: 0.82rem;
    color: var(--ts-accent);
    line-height: 1.45;
    margin: 0;
    flex: 1 1 14rem;
    max-width: none;
}

.ts-calc-quote-hint-btn {
    background: #ffffff;
    color: var(--ts-accent);
    border: 1px solid var(--ts-accent);
    padding: 0.4rem 0.85rem;
    border-radius: var(--ts-radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--ts-transition-fast);
}

.ts-calc-quote-hint-btn:hover {
    background: var(--ts-dark);
}

/* --------------------------------------------------------------------------
   Total panel
   -------------------------------------------------------------------------- */

.ts-calc-total {
    background: linear-gradient(180deg, var(--ts-accent) 0%, var(--ts-accent-dark, #aa6858) 100%);
    color: #ffffff;
    border-radius: var(--ts-radius-xl);
    padding: 1.625rem;
    margin-top: 0.5rem;
}

.ts-calc-total-meta {
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.75rem;
    margin-bottom: 0.9rem;
    font-family: var(--ts-font-body);
    letter-spacing: 0.06em;
}

.ts-calc-total-rows {
    display: flex;
    flex-direction: column;
}

.ts-calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    padding: 0.2rem 0;
}

.ts-calc-row-muted {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.8rem;
}

.ts-calc-row-value {
    font-weight: 500;
    font-family: var(--ts-font-mono);
}

.ts-calc-row-big {
    margin-top: 0.85rem;
    padding: 1rem 0 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 1.1rem;
}

.ts-calc-row-big > span:first-child {
    font-size: 0.82rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0;
    font-family: var(--ts-font-body);
}

.ts-calc-row-big .ts-calc-row-value {
    font-family: var(--ts-font-display);
    font-size: 1.875rem;
    font-weight: 500;
    color: #ffffff;
    letter-spacing: -0.015em;
    font-variation-settings: 'opsz' 60;
}

.ts-calc-total-actions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: 0.5rem;
}

.ts-calc-total-actions .ts-btn-primary {
    width: 100%;
    justify-content: center;
}

.ts-calc-total-actions .ts-btn-secondary {
    align-self: center;
}

/* Inside taupe total card: terracotta primary + transparent underline secondary */
.ts-calc-total .ts-btn-primary {
    background: var(--ts-accent-hover);
    color: #ffffff;
    border-color: var(--ts-accent-hover);
    box-shadow: 0 2px 8px rgba(42, 37, 32, 0.18);
}

.ts-calc-total .ts-btn-primary:hover {
    background: #cd8a78;
    border-color: #cd8a78;
    color: #ffffff;
}

.ts-calc-total .ts-btn-secondary {
    background: transparent;
    color: #ffffff;
    border: none;
    box-shadow: none;
    text-decoration: underline;
    font-size: 13px;
    padding: 4px;
    width: auto;
    margin: 0 auto;
    opacity: 0.85;
}

.ts-calc-total .ts-btn-secondary:hover {
    background: transparent;
    opacity: 1;
}

.ts-calc-status {
    margin-top: 0.85rem;
    font-size: 0.82rem;
    text-align: center;
    min-height: 1.2rem;
    color: rgba(255, 255, 255, 0.7);
}

.ts-calc-status.is-error { color: #ff8b8b; }
.ts-calc-status.is-success { color: #16a34a; }

/* --------------------------------------------------------------------------
   Mobile
   -------------------------------------------------------------------------- */

@media (max-width: 600px) {
    .ts-calc-section {
        padding: 2.5rem 0 3rem;
    }
    .ts-piece-row {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }
    .ts-calc-total-actions {
        grid-template-columns: 1fr;
    }
    .ts-piece-pills {
        gap: 0.25rem;
    }
    .ts-piece-pill {
        font-size: 0.75rem;
        padding: 0.4rem 0.55rem;
    }
}