.tools-parent-container {
    overflow: clip;
    position: relative;
}


.tools-parent-container .floating-emoji {
    position: absolute;
    font-size: 30px;
    animation: float 20s infinite linear;
    z-index: 1;
    opacity: 0.7;
}

@keyframes float {
    from {
        transform: translateY(100vh) rotate(0deg);
    }

    to {
        transform: translateY(-100vh) rotate(360deg);
    }
}

.tools-parent-container .floating-emoji:nth-child(1) {
    left: 5%;
    /* animation-delay: 0s; */
    animation-duration: 18s;
}

.tools-parent-container .floating-emoji:nth-child(2) {
    left: 15%;
    animation-delay: 3s;
    animation-duration: 22s;
}

.tools-parent-container .floating-emoji:nth-child(3) {
    left: 25%;
    /* animation-delay: 6s; */
    animation-duration: 20s;
}

.tools-parent-container .floating-emoji:nth-child(4) {
    left: 35%;
    /* animation-delay: 9s; */
    animation-duration: 19s;
}

.tools-parent-container .floating-emoji:nth-child(5) {
    left: 45%;
    /* animation-delay: 12s; */
    animation-duration: 21s;
}

.tools-parent-container .floating-emoji:nth-child(6) {
    left: 55%;
    /* animation-delay: 15s; */
    animation-duration: 18s;
}

.tools-parent-container .floating-emoji:nth-child(7) {
    left: 65%;
    /* animation-delay: 18s; */
    animation-duration: 23s;
}

.tools-parent-container .floating-emoji:nth-child(8) {
    left: 75%;
    /* animation-delay: 21s; */
    animation-duration: 20s;
}

.tools-parent-container .floating-emoji:nth-child(9) {
    left: 85%;
    /* animation-delay: 24s; */
    animation-duration: 19s;
}

.tools-parent-container .floating-emoji:nth-child(10) {
    left: 95%;
    /* animation-delay: 27s; */
    animation-duration: 17s;
}

.tools-parent-container .calculator-container {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 25px;
    padding: 25px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: 100%;
    position: relative;
    z-index: 10;
    animation: bounceIn 0.6s ease;
    margin: 0 auto;
}

@keyframes bounceIn {
    0% {
        transform: scale(0.3);
        opacity: 0;
    }

    50% {
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.tools-parent-container .title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 15px;
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4, #45B7D1, #96CEB4);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientText 3s ease infinite;
    font-weight: bold;
}

@keyframes gradientText {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.tools-parent-container .mascot {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    display: block;
    animation: wiggle 2s ease-in-out infinite;
}

@keyframes wiggle {

    0%,
    100% {
        transform: rotate(-5deg);
    }

    50% {
        transform: rotate(5deg);
    }
}

.tools-parent-container .display {
    background: linear-gradient(135deg, #e3d2b1, #bb7e0b);
    border-radius: 15px;
    padding: 15px;
    margin-bottom: 20px;
    box-shadow: inset 0 3px 8px rgba(0, 0, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.tools-parent-container .display::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.tools-parent-container .display-screen {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    padding: 12px;
    font-size: 2rem;
    text-align: right;
    color: #333;
    font-weight: bold;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    position: relative;
    z-index: 1;
    word-wrap: break-word;
    word-break: break-all;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.1);
}

.tools-parent-container .equation-display {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    padding: 8px;
    margin-bottom: 8px;
    font-size: 1rem;
    color: white;
    min-height: 30px;
    text-align: right;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.tools-parent-container .buttons-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 10px;
    grid-template-areas: "clear delete divide multiply" "seven eight nine minus" "four five six plus" "one two three equals" "zero zero decimal equals";
}

.tools-parent-container .btn {
    border: none;
    border-radius: 15px;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    color: white;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tools-parent-container .btn::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.tools-parent-container .btn:active::before {
    width: 200px;
    height: 200px;
}

.tools-parent-container .btn:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.tools-parent-container .btn:active {
    transform: translateY(0) scale(0.98);
}



.tools-parent-container .btn-clear {
    grid-area: clear;
}

.tools-parent-container .btn-delete {
    grid-area: delete;
}

.tools-parent-container .btn-divide {
    grid-area: divide;
}

.tools-parent-container .btn-multiply {
    grid-area: multiply;
}

.tools-parent-container .btn-7 {
    grid-area: seven;
}

.tools-parent-container .btn-8 {
    grid-area: eight;
}

.tools-parent-container .btn-9 {
    grid-area: nine;
}

.tools-parent-container .btn-minus {
    grid-area: minus;
}

.tools-parent-container .btn-4 {
    grid-area: four;
}

.tools-parent-container .btn-5 {
    grid-area: five;
}

.tools-parent-container .btn-6 {
    grid-area: six;
}

.tools-parent-container .btn-plus {
    grid-area: plus;
}

.tools-parent-container .btn-1 {
    grid-area: one;
}

.tools-parent-container .btn-2 {
    grid-area: two;
}

.tools-parent-container .btn-3 {
    grid-area: three;
}

.tools-parent-container .btn-equals {
    grid-area: equals;
}

.tools-parent-container .btn-0 {
    grid-area: zero;
}

.tools-parent-container .btn-decimal {
    grid-area: decimal;
}

.tools-parent-container .btn-number {
    background: linear-gradient(135deg, #667eea, #764ba2);
}

.tools-parent-container .btn-operator {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.tools-parent-container .btn-equals {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.tools-parent-container .btn-clear {
    background: linear-gradient(135deg, #fa709a, #fee140);
}

.tools-parent-container .btn-delete {
    background: linear-gradient(135deg, #30cfd0, #330867);
}

.tools-parent-container .btn-decimal {
    background: linear-gradient(135deg, #a8edea, #fed6e3);
}



@keyframes celebrate {
    0% {
        transform: scale(1) rotate(0deg);
    }

    25% {
        transform: scale(1.05) rotate(2deg);
    }

    50% {
        transform: scale(1) rotate(-2deg);
    }

    75% {
        transform: scale(1.05) rotate(2deg);
    }

    100% {
        transform: scale(1) rotate(0deg);
    }
}

.tools-parent-container .celebrating {
    animation: celebrate 0.5s ease;
}


.tools-parent-container .confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    animation: confetti-fall 3s ease-out forwards;
    pointer-events: none;
    z-index: 100;
}

@keyframes confetti-fall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }

    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}



.tools-parent-container .sound-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    border-radius: 50%;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 18px;
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    z-index: 20;
}

.tools-parent-container .sound-toggle:hover {
    transform: scale(1.1);
}


.tools-parent-container .fun-fact {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    background: white;
    padding: 25px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    max-width: 90%;
    text-align: center;
    transition: transform 0.3s ease;
}

.tools-parent-container .fun-fact.show {
    transform: translate(-50%, -50%) scale(1);
}

.tools-parent-container .fun-fact h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.tools-parent-container .fun-fact p {
    color: #333;
    font-size: 1rem;
    margin-bottom: 15px;
}

.tools-parent-container .fun-fact button {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 10px 25px;
    border-radius: 15px;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.tools-parent-container .fun-fact button:hover {
    transform: scale(1.05);
}



@media (max-width: 480px) {
    .tools-parent-container .calculator-container {
        padding: 20px;
        max-width: 95%;
    }

    .tools-parent-container .buttons-grid {
        gap: 8px;
    }

    .tools-parent-container .btn {
        font-size: 1.2rem;
        height: 55px;
    }

    .tools-parent-container .display-screen {
        font-size: 1.6rem;
        min-height: 50px;
    }

    .tools-parent-container .title {
        font-size: 1.6rem;
    }

    .tools-parent-container .mascot {
        width: 50px;
        height: 50px;
    }
}

@media (max-width: 360px) {
    .tools-parent-container .calculator-container {
        padding: 15px;
    }

    .tools-parent-container .buttons-grid {
        gap: 6px;
    }

    .tools-parent-container .btn {
        font-size: 1.1rem;
        height: 50px;
        border-radius: 12px;
    }

    .tools-parent-container .display-screen {
        font-size: 1.4rem;
        min-height: 45px;
    }

    .tools-parent-container .title {
        font-size: 1.4rem;
    }
}

@media (min-width: 768px) {
    .tools-parent-container .calculator-container {
        max-width: 450px;
    }

    .tools-parent-container .btn {
        height: 65px;
        font-size: 1.6rem;
    }
}

@media (min-width: 1024px) {
    .tools-parent-container .calculator-container {
        max-width: 500px;
        padding: 30px;
    }

    .tools-parent-container .buttons-grid {
        gap: 12px;
    }

    .tools-parent-container .btn {
        height: 70px;
        font-size: 1.8rem;
    }
}



@media (max-height: 500px) and (orientation: landscape) {
    .tools-parent-container body {
        padding: 5px;
    }

    .tools-parent-container .calculator-container {
        padding: 15px;
        max-width: 600px;
    }

    .tools-parent-container .mascot {
        display: none;
    }

    .tools-parent-container .title {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }

    .tools-parent-container .display {
        margin-bottom: 10px;
        padding: 10px;
    }

    .tools-parent-container .display-screen {
        min-height: 40px;
        font-size: 1.3rem;
    }

    .tools-parent-container .buttons-grid {
        gap: 6px;
    }

    .tools-parent-container .btn {
        height: 45px;
        font-size: 1.1rem;
    }
}


.tools-parent-container .loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #de9406, #ad7200);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.tools-parent-container .loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.tools-parent-container .loader-content {
    text-align: center;
    color: white;
}

.tools-parent-container .loader-emoji {
    font-size: 50px;
    animation: bounce 1s infinite;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

.tools-parent-container .loader-text {
    margin-top: 15px;
    font-size: 1.3rem;
    font-weight: bold;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-5px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}