*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: hsl(215, 28%, 6%);
    color: #d1d5db;
    overflow-x: hidden;
    width: 100%;
    min-height: 100vh;
}

header {
    width: 100%;
    background-color: hsl(215, 28%, 10%);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

header img {
    height: 40px;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    padding: 0 20px;
    gap: 20px;
}

.menu {
    display: flex;
    gap: 10px;
}

.menu a,
.menu .button {
    text-decoration: none;
    color: #d1d5db;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 4px;
    transition: color 0.3s, background-color 0.3s;
}

.menu a:hover {
    color: #4ade80;
}

.menu .button {
    color: #ffffff;
    background-color: #1d4ed8;
    gap: 5px;
}

.menu .button:hover {
    background-color: #2563eb;
    color: #ffffff;
}

.hamburger {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
    padding: 5px;
}

.fullscreen-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: hsl(215, 28%, 10%);
    color: #ffffff;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    overflow-y: auto;
}

.fullscreen-menu.active {
    display: flex;
}

.fullscreen-menu .close-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 28px;
    cursor: pointer;
}

.fullscreen-menu nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: center;
}

.fullscreen-menu nav ul li {
    margin: 25px 0;
}

.fullscreen-menu nav ul li a {
    text-decoration: none;
    color: #4ade80;
    font-size: 22px;
    transition: color 0.3s;
}

.fullscreen-menu nav ul li a:hover {
    color: #22c55e;
}

.container {
    width: 400px;
    max-width: 400px;
    padding: 20px;
    margin: 20px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tools-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px auto;
    padding: 20px;
    max-width: 800px;
}

.tool-card {
    background-color: hsl(215, 28%, 12%);
    color: #d1d5db;
    border: 1px solid hsl(215, 28%, 18%);
    border-radius: 8px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s, background-color 0.3s;
    width: 200px;
}

.tool-card:hover {
    background-color: hsl(215, 28%, 15%);
    transform: scale(1.05);
}

.tool-card i {
    font-size: 40px;
    margin-bottom: 10px;
    color: #4ade80;
}

.tool-card h2 {
    font-size: 18px;
    margin: 10px 0 0;
    color: #d1d5db;
}

.container h1 {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
    width: 100%;
}

#hashForm {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 400px;
}

#hashForm input[type="text"] {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #4ade80;
    border-radius: 4px;
    background-color: hsl(215, 28%, 8%);
    color: #d1d5db;
    font-size: 16px;
    appearance: none;
}

#hashForm input[type="text"]::placeholder {
    color: #9ca3af;
}

#hashForm button[type="submit"] {
    background-color: #4ade80;
    color: hsl(215, 28%, 6%);
    border: none;
    padding: 12px 25px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    appearance: none;
}

#hashForm button[type="submit"]:hover {
    background-color: #22c55e;
}

.result {
    width: 100%;
    max-width: 400px;
    margin-top: 20px;
    padding: 15px;
    background-color: hsl(215, 28%, 8%);
    border: 1px solid #4ade80;
    border-radius: 4px;
    color: #d1d5db;
}

.result code {
    display: block;
    width: 100%;
    margin: 10px 0;
    padding: 12px;
    background-color: hsl(215, 28%, 6%);
    border-radius: 4px;
    color: #4ade80;
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    word-break: break-all;
    white-space: normal;
    overflow-wrap: break-word;
    line-height: 1.5;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    background-color: #4ade80;
    color: hsl(215, 28%, 6%);
    border: none;
    padding: 8px 15px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s;
}

.copy-btn:hover {
    background-color: #22c55e;
}

@media (max-width: 768px) {
    header {
        padding: 10px 0;
    }

    .header-content {
        padding: 0 15px;
        gap: 15px;
    }

    header img {
        height: 35px;
    }

    .menu {
        display: none;
    }

    .hamburger {
        display: block;
        margin-left: auto;
    }

    .container {
        width: 100%;
        max-width: 100%;
        padding: 15px;
        margin: 10px 0 0 0;
    }

    .container h1 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    #hashForm {
        max-width: 100%;
    }

    #hashForm input[type="text"] {
        font-size: 20px;
        padding: 10px;
        margin-bottom: 10px;
    }

    #hashForm button[type="submit"] {
        padding: 10px 20px;
        font-size: 14px;
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
    }

    .result {
        max-width: 100%;
        margin-top: 15px;
        padding: 12px;
        font-size: 20px;
    }

    .result code {
        padding: 10px;
        margin: 8px 0;
        font-size: 14px;
        line-height: 1.4;
    }

    .copy-btn {
        padding: 8px 12px;
        font-size: 13px;
        margin-top: 8px;
    }

    .tools-container {
        padding: 10px;
        margin: 10px 0;
    }

    .tool-card {
        width: calc(50% - 10px);
        max-width: none;
        padding: 15px;
    }

    @media (max-width: 480px) {
        .tool-card {
            width: 100%;
        }
    }
}