:root {
    --primary-color: #f7cac9;
    --secondary-color: #a2d2ff;
    --accent-color: #ffc8dd;
    --text-dark: #333333;
    --text-light: #555555;
    --white: #ffffff;
    --button-hover: #ffe3e9;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.2);
    --border-radius-main: 25px;
    --border-radius-small: 15px; 
    --menu-bg-color: #222;
    --menu-dropdown-bg: #444;
    --menu-dropdown-hover-bg: #555;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: var(--text-dark);
}

.site-header {
    background-color: var(--menu-bg-color);
    color: var(--white);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 10px var(--shadow-light);
}

.header-content p {
    margin: 0;
    font-size: 16px;
}

.menu {
    position: relative;
    display: inline-block;
    margin-top: 10px;
}

.menu-button {
    background: none;
    border: none;
    color: var(--white);
    font-size: 16px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--border-radius-small);
    transition: all 0.3s ease;
}

.menu-button:hover {
    background-color: var(--button-hover);
    color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.menu-button.active {
    background-color: var(--primary-color);
    color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-light);
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: var(--menu-dropdown-bg);
    min-width: 160px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    border-radius: var(--border-radius-small);
    overflow: hidden;
    margin-top: 5px;
    right: 0;
}

.dropdown-content a {
    color: #333;
    background-color: var(--primary-color);
    padding: 4px 25px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s ease;
}

.dropdown-content a:hover {
    color: #333;
    background-color: var(--button-hover);
}

.ad-area {
    width: 100%;
    text-align: center;
    padding: 35px 0;
    background-color: var(--white);
    border-bottom: 1px solid var(--white);
    border-top: 1px solid var(--white);
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    box-shadow: inset 0 1px 3px var(--shadow-light);
}

.top-ad-area {
    margin-top: 20px;
}

.main-content {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px 0;
}

.container {
    background-color: var(--white);
    padding: 35px;
    border-radius: var(--border-radius-main);
    box-shadow: 0 8px 25px var(--shadow-medium);
    max-width: 900px;
    width: 90%;
    text-align: center;
    transition: all 0.3s ease;
    animation: popIn 0.7s ease-out;
}

@keyframes popIn {
    from {
        transform: scale(0.95) translateY(20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

h2 { 
    font-size: 28px;
    margin-bottom: 25px;
    color: #777;
    font-weight: 700;
}


form {
    display: inline-flex;
    width: 100%;
    gap: 10px;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

form input[type="text"] {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-small);
    font-size: 17px;
    box-shadow: inset 0 2px 6px var(--shadow-light);
    transition: 0.3s;
    box-sizing: border-box;
}

form input[type="text"]:focus {
    border-color: var(--secondary-color);
    outline: none;
    background-color: #fefeff;
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.1), 0 0 0 3px rgba(162, 210, 255, 0.3);
}

button {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius-small);
    padding: 17px 25px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 8px var(--shadow-light);
    white-space: nowrap;
}

button:hover {
    background-color: var(--button-hover);
    color: var(--text-dark);
    box-shadow: 0 7px 15px var(--shadow-medium);
    transform: translateY(-3px);
}

#result {
    display: none;
    margin-top: 25px;
    font-size: 15px;
    color: var(--text-dark);
    word-wrap: break-word;
    padding: 12px;
    border-radius: 12px;
    background-color: #fff8f9;
    border: 1px dashed var(--primary-color);
    line-height: 1.6;
}

#result a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
}

#result a:hover {
    text-decoration: underline;
}

.in-content-ad {
    margin-top: 25px;
    padding: 10px;
    background-color: #fdfdfd;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 10px;
    font-size: 13px;
    color: var(--text-light);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.03);
}

.site-footer a:hover {
    text-decoration: underline;
}

#copyButton, #downloadQR, #newLinkButton, #QRAndLink {
    background-color: var(--secondary-color);
    padding: 10px 15px;
    font-size: 15px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: inline-block;
}

#copyButton:hover, #downloadQR:hover, #newLinkButton:hover, #QRAndLink:hover {
    background-color: #8bc1ff;
}

#newLinkButton {
    background-color: var(--text-light);
    padding: 10px 15px;
    font-size: 15px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: inline-block;
}

#newLinkButton:hover {
    background-color: #8bc1ff;
}

#shortUrlContainer {
    word-break: break-all;
    font-weight: bold;
    color: #555;
}