/**
 * Project Calculator Pro V2
 * Simple Calculator
 */

/* =========================================================
   CALCULATOR WRAPPER
   ========================================================= */

.pcp-simple-calculator {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
}

.pcp-simple-calculator *,
.pcp-simple-calculator *::before,
.pcp-simple-calculator *::after {
    box-sizing: border-box;
}


/* =========================================================
   HEADINGS AND INSTRUCTIONS
   ========================================================= */

.pcp-simple-calculator h2 {
    color: #283655;
    font-family: Helvetica, Arial, sans-serif;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 10px;
}

.pcp-simple-calculator .calc-instructions {
    color: #000;
    font-family: Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    margin: 8px 0 20px;
}


/* =========================================================
   CALCULATOR BODY
   ========================================================= */

.pcp-simple-calculator .scl-calculator {
    width: 100%;
    max-width: 360px;
    margin: 20px auto 0;
    padding: 18px;
    background: #f4f4f4;
    border: 1px solid #ddd;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.14);
}


/* =========================================================
   DISPLAY
   ========================================================= */

.pcp-simple-calculator .scl-display-wrap {
    margin-bottom: 14px;
}

.pcp-simple-calculator .scl-display {
    display: block;
    width: 100%;
    min-height: 62px;
    padding: 10px 14px;
    background: #fff;
    color: #000;
    border: 2px solid #283655;
    border-radius: 8px;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    text-align: right;
    letter-spacing: 0.5px;
}

.pcp-simple-calculator .scl-display:focus {
    outline: none;
    border-color: #f26522;
    box-shadow: 0 0 0 3px rgba(242, 101, 34, 0.2);
}


/* =========================================================
   BUTTON GRID
   ========================================================= */

.pcp-simple-calculator .scl-buttons {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
}

.pcp-simple-calculator .scl-btn-zero {
    grid-column: span 2;
}


/* =========================================================
   STANDARD BUTTONS
   ========================================================= */

.pcp-simple-calculator .scl-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 0;
    min-height: 54px;
    padding: 10px;
    background: #fff;
    color: #000;
    border: 1px solid #bbb;
    border-radius: 8px;
    cursor: pointer;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 20px;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    transition:
        background-color 0.2s ease,
        border-color 0.2s ease,
        color 0.2s ease,
        transform 0.1s ease;
}

.pcp-simple-calculator .scl-btn:hover {
    background: #ddd;
    border-color: #283655;
}

.pcp-simple-calculator .scl-btn:focus-visible {
    outline: 3px solid rgba(242, 101, 34, 0.35);
    outline-offset: 2px;
}

.pcp-simple-calculator .scl-btn:active {
    transform: translateY(1px);
}


/* =========================================================
   NUMBER BUTTONS
   ========================================================= */

.pcp-simple-calculator .scl-btn-number {
    background: #fff;
    color: #000;
}

.pcp-simple-calculator .scl-btn-number:hover {
    background: #ddd;
}


/* =========================================================
   FUNCTION BUTTONS
   ========================================================= */

.pcp-simple-calculator .scl-btn-function {
    background: #ddd;
    color: #283655;
    border-color: #bbb;
}

.pcp-simple-calculator .scl-btn-function:hover {
    background: #283655;
    color: #fff;
    border-color: #283655;
}


/* =========================================================
   OPERATOR BUTTONS
   ========================================================= */

.pcp-simple-calculator .scl-btn-operator {
    background: #283655;
    color: #fff;
    border-color: #283655;
}

.pcp-simple-calculator .scl-btn-operator:hover {
    background: #f26522;
    border-color: #f26522;
}

.pcp-simple-calculator .scl-btn-operator.is-active,
.pcp-simple-calculator .scl-btn-operator[aria-pressed="true"] {
    background: #f26522;
    color: #fff;
    border-color: #f26522;
    box-shadow: inset 0 0 0 2px #fff;
}


/* =========================================================
   CLEAR BUTTON
   ========================================================= */

.pcp-simple-calculator .scl-btn-clear {
    background: #f26522;
    color: #fff;
    border-color: #f26522;
}

.pcp-simple-calculator .scl-btn-clear:hover {
    background: #283655;
    border-color: #283655;
}


/* =========================================================
   EQUALS BUTTON
   ========================================================= */

.pcp-simple-calculator .scl-btn-equals {
    background: #f26522;
    color: #fff;
    border-color: #f26522;
}

.pcp-simple-calculator .scl-btn-equals:hover {
    background: #283655;
    border-color: #283655;
}


/* =========================================================
   SCREEN-READER TEXT
   ========================================================= */

.pcp-simple-calculator .scl-screen-reader-text {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}


/* =========================================================
   CALCULATOR KEYBOARD FOCUS
   ========================================================= */

.pcp-simple-calculator[tabindex]:focus {
    outline: none;
}

.pcp-simple-calculator[tabindex]:focus-visible .scl-calculator {
    outline: 3px solid rgba(242, 101, 34, 0.25);
    outline-offset: 4px;
}


/* =========================================================
   MOBILE LAYOUT
   ========================================================= */

@media (max-width: 600px) {
    .pcp-simple-calculator {
        padding: 15px;
    }

    .pcp-simple-calculator h2 {
        font-size: 22px;
    }

    .pcp-simple-calculator .scl-calculator {
        max-width: 100%;
        padding: 14px;
    }

    .pcp-simple-calculator .scl-display {
        min-height: 58px;
        font-size: 25px;
    }

    .pcp-simple-calculator .scl-buttons {
        gap: 8px;
    }

    .pcp-simple-calculator .scl-btn {
        min-height: 52px;
        font-size: 19px;
    }
}

@media (max-width: 380px) {
    .pcp-simple-calculator {
        padding: 10px;
    }

    .pcp-simple-calculator .scl-calculator {
        padding: 10px;
    }

    .pcp-simple-calculator .scl-buttons {
        gap: 6px;
    }

    .pcp-simple-calculator .scl-btn {
        min-height: 48px;
        padding: 8px;
        font-size: 18px;
    }

    .pcp-simple-calculator .scl-display {
        min-height: 54px;
        padding: 8px 10px;
        font-size: 22px;
    }
}


/* =========================================================
   PRINT LAYOUT
   ========================================================= */

@media print {
    .pcp-simple-calculator {
        max-width: 100%;
        padding: 0;
    }

    .pcp-simple-calculator .scl-calculator {
        box-shadow: none;
        break-inside: avoid;
        page-break-inside: avoid;
    }
}