/* =====================================
   ToolDigitalHub - Common Tool Design
===================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;

    background:
        radial-gradient(circle at top, rgba(86, 70, 255, 0.12), transparent 35%),
        #070914;

    color: white;
    padding: 25px;
}

.tool-container {
    width: 100%;
    max-width: 750px;
    margin: 45px auto;
}

.back-link {
    display: inline-block;
    margin-bottom: 25px;

    color: #9da6c0;
    text-decoration: none;
    font-size: 14px;

    transition: 0.25s;
}

.back-link:hover {
    color: #ffffff;
}

.tool-card-page {
    padding: 40px;

    background: rgba(255, 255, 255, 0.05);

    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;

    backdrop-filter: blur(20px);

    box-shadow:
        0 25px 80px rgba(0, 0, 0, 0.35);
}

.tool-page-icon {
    font-size: 42px;
    margin-bottom: 15px;
}

.tool-title {
    font-size: 38px;
    margin-bottom: 12px;
}

.tool-description {
    color: #929ab0;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* INPUTS */

.tool-input,
.tool-select,
.tool-textarea {
    width: 100%;

    padding: 15px;

    border-radius: 12px;

    border: 1px solid rgba(255,255,255,0.1);

    background: rgba(255,255,255,0.06);

    color: white;

    font-size: 15px;
    outline: none;
}

.tool-input:focus,
.tool-select:focus,
.tool-textarea:focus {
    border-color: #00cfff;
}

.tool-select {
    background: #101321;
}

/* BUTTON */

.tool-button {
    width: 100%;

    padding: 15px;

    border: none;
    border-radius: 12px;

    background:
        linear-gradient(135deg, #665cff, #00cfff);

    color: white;

    font-size: 15px;
    font-weight: 700;

    cursor: pointer;

    transition: 0.3s;
}

.tool-button:hover {
    transform: translateY(-2px);

    box-shadow:
        0 12px 35px rgba(0, 207, 255, 0.2);
}

.tool-button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

/* RESULT BOX */

.tool-result {
    margin-top: 25px;
    padding: 22px;

    border-radius: 16px;

    background: rgba(0,207,255,0.05);

    border: 1px solid rgba(0,207,255,0.13);
}

/* UPLOAD AREA */

.upload-area {
    display: block;

    padding: 38px 20px;

    text-align: center;

    border: 1px dashed rgba(0,207,255,0.4);

    border-radius: 16px;

    background: rgba(0,207,255,0.03);

    cursor: pointer;

    transition: 0.25s;
}

.upload-area:hover {
    background: rgba(0,207,255,0.07);
}

.upload-area input {
    display: none;
}

/* LABEL */

.tool-label {
    display: block;

    margin: 20px 0 9px;

    color: #c5cbe0;

    font-size: 14px;
}

/* MOBILE */

@media (max-width: 600px) {

    body {
        padding: 18px;
    }

    .tool-container {
        margin: 20px auto;
    }

    .tool-card-page {
        padding: 28px 20px;
    }

    .tool-title {
        font-size: 30px;
    }
}