/* © 2026 DSR, DSR Wire. All rights reserved. Made by 이서하. */
.rs-floating-calculator {
    position: fixed;
    inset: 0;
    z-index: 80;
    font-family: Inter, Arial, sans-serif;
    pointer-events: none;
}

.rs-calculator-trigger {
    position: fixed;
    top: 50%;
    right: 18px;
    display: grid;
    width: 52px;
    height: 52px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: var(--rs-primary);
    color: #fff;
    box-shadow: 0 10px 24px rgba(0, 71, 171, 0.28);
    transform: translateY(-50%);
    transition: transform 0.15s ease, background 0.15s ease;
    pointer-events: auto;
}

.rs-calculator-trigger:hover {
    background: var(--rs-primary-hover);
    transform: translateY(calc(-50% - 1px));
}

.rs-calculator-trigger .material-symbols-outlined {
    font-size: 27px;
}

.rs-calculator-popup {
    position: fixed;
    top: 50%;
    right: 82px;
    width: 330px;
    max-height: min(620px, calc(100vh - 32px));
    overflow-y: auto;
    transform: translateY(-50%);
    border: 1px solid var(--rs-border-strong);
    border-radius: 14px;
    background: var(--rs-surface);
    box-shadow: 0 20px 46px rgba(15, 23, 42, 0.22);
    pointer-events: auto;
}

.rs-calculator-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 50px;
    padding: 0 12px 0 16px;
    border-bottom: 1px solid var(--rs-border-strong);
    cursor: grab;
    touch-action: none;
    user-select: none;
}

.rs-calculator-head.is-dragging {
    cursor: grabbing;
}

.rs-calculator-head strong {
    color: var(--rs-text);
    font-family: "Space Grotesk", Inter, sans-serif;
    font-size: 14px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.rs-calculator-close {
    display: grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--rs-muted);
}

.rs-calculator-close:hover {
    background: var(--rs-surface-soft);
    color: var(--rs-primary);
}

.rs-calculator-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 10px 12px 0;
    border-bottom: 1px solid #edf2f7;
}

.rs-calculator-tab {
    min-height: 38px;
    border: 0;
    border-bottom: 2px solid transparent;
    background: transparent;
    color: var(--rs-muted);
    font-size: 12px;
    font-weight: 800;
}

.rs-calculator-tab.is-active {
    border-bottom-color: var(--rs-primary);
    color: var(--rs-primary);
}

.rs-calculator-panel {
    padding: 14px;
}

.rs-calculator-screen {
    width: 100%;
    margin-bottom: 12px;
    padding: 8px 14px 14px;
    border: 1px solid var(--rs-border-strong);
    border-radius: 10px;
    background: #f8fafc;
    text-align: right;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.rs-calculator-expression {
    min-height: 16px;
    color: var(--rs-muted);
    font-size: 13px;
    margin-bottom: 4px;
    letter-spacing: 0.02em;
}

.rs-calculator-display {
    width: 100%;
    border: 0;
    background: transparent;
    color: var(--rs-text);
    text-align: right;
    font: 700 32px/1 "Space Grotesk", Inter, sans-serif;
    outline: none;
    padding: 0;
}

.rs-calculator-keys {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 8px;
}

.rs-calculator-key {
    min-height: 46px;
    border: 1px solid var(--rs-border-strong);
    border-radius: 8px;
    background: #fff;
    color: var(--rs-text);
    font-size: 15px;
    font-weight: 700;
}

.rs-calculator-key:hover {
    background: var(--rs-surface-soft);
}

.rs-calculator-key.is-operator {
    background: #edf4ff;
    color: var(--rs-primary);
}

.rs-calculator-key.is-control {
    border-color: #fed7aa;
    background: #fff7ed;
    color: #c2410c;
}

.rs-calculator-key.is-control:hover {
    background: #ffedd5;
}

.rs-calculator-key.is-equals {
    background: var(--rs-primary);
    color: #fff;
    border-color: var(--rs-primary);
}

.rs-calculator-key.is-zero {
    grid-column: span 2;
}

.rs-converter-grid {
    display: grid;
    gap: 12px;
}

.rs-converter-field {
    display: grid;
    gap: 7px;
}

.rs-converter-field label {
    color: var(--rs-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.rs-converter-field .rs-input,
.rs-converter-field .rs-select {
    height: 42px;
}

.rs-converter-result {
    min-height: 76px;
    padding: 13px 14px;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    background: #eff6ff;
}

.rs-converter-result span {
    display: block;
    color: var(--rs-muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.rs-converter-result strong {
    display: block;
    margin-top: 7px;
    color: var(--rs-primary);
    font: 700 22px/1.2 "Space Grotesk", Inter, sans-serif;
    word-break: break-word;
}

@media (max-width: 767px) {
    .rs-floating-calculator {
        inset: 0;
    }

    .rs-calculator-trigger {
        top: auto;
        right: 14px;
        bottom: 18px;
        width: 48px;
        height: 48px;
        transform: none;
    }

    .rs-calculator-trigger:hover {
        transform: translateY(-1px);
    }

    .rs-calculator-popup {
        top: auto;
        right: 14px;
        bottom: 78px;
        width: min(320px, calc(100vw - 28px));
        max-height: calc(100vh - 150px);
        transform: none;
    }

    .rs-calculator-key {
        min-height: 42px;
    }
}