@charset "utf-8";

/* ----------------- HTML & Body ----------------- */
html {
    background-color: #f0f4f8;
}

body {
    font-family: Verdana, Geneva, sans-serif;
    color: #333333;
    background-color: rgba(255,255,255,0.9);
    width: 90%;
    margin: 0 auto;
}

/* ----------------- Header ----------------- */
header {
    text-align: center;
    padding: 10px 0;
}

header img {
    max-width: 20%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* ----------------- Headings ----------------- */
h1, h2 {
    text-shadow: 4px 6px 5px gray;
}

/* ----------------- Navigation ----------------- */
nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

nav li {
    display: block;
    width: 20%;
    float: left;
}

nav a {
    display: block;
    background-color: rgb(180, 200, 215);
    line-height: 2.8em;
    text-decoration: none;
    text-align: center;
    color: rgb(40, 40, 40);
}

/* Assignment 7 Hover Transition */
nav a:hover {
    background-color: rgb(120, 160, 200);
    color: white;
    font-size: 1.2em;
    transition:
        background-color 0.5s ease-in 0.2s,
        color 0.5s ease-in 0.2s,
        font-size 1s ease;
}

/* ----------------- Main Content ----------------- */
main {
    padding: 20px;
    margin-top: 70px; /* Assignment 7 requirement */
}

main > img,
main > img.main-image {
    width: 25%;
    float: right;
    margin: 0 0 10px 10px;
    height: auto;
}

/* ----------------- Footer ----------------- */
footer {
    background-color: rgb(180, 200, 215);
    color: rgba(102,102,102,0.6);
    font-weight: bold;
    font-size: 0.9em;
    line-height: 3em;
    text-align: center;
    margin-top: 10px;
    padding: 10px;
    clear: both;
}

/* ----------------- Education List ----------------- */
.education-list {
    list-style-type: square;
}

/* ----------------- Vacation Gallery ----------------- */
.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.gallery img {
    width: 23%;
    margin: 1%;
}

/* ----------------- Family Table ----------------- */
.family-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background-color: white;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.family-table th {
    background-color: #b4c8d7;
    color: #222;
    padding: 12px;
}

.family-table td {
    border-bottom: 1px solid #ccc;
    padding: 10px;
}

.family-table tbody tr:nth-child(even) {
    background-color: #f5f5f5;
}

.family-table tfoot td {
    background-color: #b4c8d7;
    padding: 12px;
    font-weight: bold;
}

/* ----------------- Form Styles ----------------- */
form {
    width: 90%;
    margin: 20px auto;
}

fieldset {
    width: 90%;
    padding: 5px;
    margin-bottom: 10px;
}

label {
    display: block;
    position: absolute;
    width: 30%;
    padding: 5px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
    display: block;
    position: relative;
    left: 30%;
    width: 60%;
    padding: 5px;
    height: auto;
}

input[type="radio"] {
    display: inline;
    position: inherit;
    width: auto;
}

label.radio {
    display: inline;
    position: inherit;
}

input[type="submit"],
input[type="reset"] {
    display: block;
    float: left;
    width: 40%;
    padding: 10px;
    margin: 0 5% 10px 5%;
    text-align: center;
}

/* ----------------- Focus & Validation ----------------- */
input:focus, select:focus, textarea:focus {
    outline: 2px solid #4a90e2;
    background-color: #f0f8ff;
}

input:valid, select:valid, textarea:valid {
    border: 2px solid green;
}

input:invalid, select:invalid, textarea:invalid {
    border: 2px solid red;
}

/* ----------------- Desktop BG Image ----------------- */
@media only screen and (min-width: 769px) {
    html {
        background-image: url('background.jpg');
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center;
    }
}

/* ----------------- Mobile Layout ----------------- */
@media only screen and (max-width: 768px) {

    body {
        width: 100%;
        margin: 0;
    }

    nav li {
        width: 100%;
        float: none;
        font-size: x-large;
    }

    nav a {
        border-bottom: 1px solid black;
    }

    main > img,
    main > img.main-image {
        width: 90%;
        float: none;
        margin: 10px auto;
        display: block;
    }

    .gallery img {
        width: 100%;
        margin: 5px;
    }

    form {
        width: 100%;
        font-size: large;
    }

    fieldset {
        width: 100%;
        padding: 5px;
        margin: 0;
    }

    label,
    input,
    select,
    textarea {
        position: inherit;
        width: 90%;
        height: 50px;
        padding: 5px;
    }

    input[type="submit"],
    input[type="reset"] {
        float: none;
        width: 90%;
        margin: 10px 0;
        font-size: 1.2em;
    }

    /* Mobile table */
    .family-table thead {
        display: none;
    }

    .family-table, .family-table tbody, .family-table tr, .family-table td {
        display: block;
        width: 100%;
    }

    .family-table td {
        text-align: right;
        padding-left: 50%;
        position: relative;
    }

    .family-table td::before {
        content: attr(data-label);
        position: absolute;
        left: 10px;
        width: 45%;
        font-weight: bold;
    }

    .family-table tfoot td {
        text-align: center;
    }
}

/* ----------------- Tablet Gallery ----------------- */
@media only screen and (min-width: 481px) and (max-width: 768px) {
    .gallery img {
        width: 48%;
        margin: 1%;
    }
}