css/style.css - main - DmitryRudakov/Student-self-development

css/style.css
1 031 строка19 KB
Дмитрий Рудаков
Лаба8 добавил псевдоэлементы и псевдоклассы
31 мар 2026, 15:08
31 мар 2026, 15:08188e0c9
*,
*::before,
*::after {
    box-sizing: border-box;
}
body {
    font-family: 'Roboto', sans-serif;
}
p {
    font-size: 16px;        
    font-weight: 400;       
    line-height: 1.5;       
    text-align: left;
}
.paragraph-small {
    line-height: 1.5;
}
.paragraph-big {
    line-height: 2.5;
}
h1 {
    font-size: 48px;
    font-weight: 700;       
    text-align: center;     
    color: #2c3e50;         
}
h2 {
    font-size: 32px;
    font-weight: 700;
    color: #34495e;       
}
a {
    color: #3498db;        
    text-decoration: none;  
}
header {
    background-color: #ecf0f1;    
    padding: 20px;                 
    border-bottom: 3px solid #bdc3c7; 
}
footer {
    background-color: #34495e;
    color: white;
    padding: 20px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
    margin-top: 40px;
}
footer a {
    color: #ecf0f1;
}
input, select, button {
    border: 2px solid #bdc3c7; 
    border-radius: 5px;         
    padding: 8px 12px;          
    font-size: 16px;            
}
button {
    background-color: #3498db;  
    color: white;              
    border: none;              
    cursor: pointer;            
}
button:hover {
    background-color: #2980b9;  
}
main {
    max-width: 1200px;
    min-width: 320px;
    margin: 0 auto; 
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
header {
    min-height: 80px;
}
section {
    position: relative;
    min-height: auto; 
    margin-bottom: 60px; 
    padding: 20px;
    z-index: 1;
}
.news-item {
    position: relative;
}
.news-section {
    margin: 40px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
}
.badge {
    position: absolute;
    top: -10px;
    right: 10px;
    background-color: #ff6b6b;
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    z-index: 10;
}
.go-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #3498db;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    text-align: center;
    line-height: 50px;
    font-size: 24px;
    text-decoration: none;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
    z-index: 100;
}
.go-top:hover {
    background-color: #2980b9;
}
section {
    position: relative;
    z-index: 1;
}
section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(52, 152, 219, 0.1);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none; 
}
section:hover::after {
    opacity: 1;
}
.flex-demo {
    margin: 50px 0;
    padding: 30px;
    background-color: #f5f9ff;
    border-radius: 15px;
    border: 2px solid #d0e0ff;
}

.gallery {
    display: flex;                    
    flex-wrap: wrap;                  
    gap: 20px;                       
    justify-content: center;          
    align-items: center;             
    min-height: 200px;
    background-color: #e9ecef;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 30px;
}

.gallery-item {
    width: 200px;
    height: 150px;
    
    background-color: steelblue;       
    color: white;                      
    
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;                   
    font-weight: bold;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2); 
    transition: transform 0.3s ease;
}

.gallery-item:nth-child(1) { background-color: #e74c3c; }      
.gallery-item:nth-child(2) { background-color: rgb(46, 204, 113); } 
.gallery-item:nth-child(3) { background-color: hsl(204, 70%, 53%); } 
.gallery-item:nth-child(4) { background-color: rgba(155, 89, 182, 0.8); } 
.gallery-item:nth-child(5) { background-color: #f39c12; }      
.gallery-item:nth-child(6) { background-color: #1abc9c; }      
.gallery-item:hover {
    transform: scale(1.05);
}

.cards-container {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    justify-content: space-around;    
    margin-bottom: 30px;
}

.card {
    flex: 1 1 250px;                  
    min-width: 250px;
    background: white;
    border-radius: 12px;
    padding: 25px 15px;
    text-align: center;
    box-shadow: 0 10px 25px hsla(210, 50%, 50%, 0.2); 
    border: 2px solid #ddd;
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: #3498db;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card h4 {
    color: #2c3e50;
    margin: 10px 0;
    font-size: 1.5rem;
}

.card p {
    color: #7f8c8d;
    font-size: 0.95rem;
    line-height: 1.5;
}

.flex-nav {
    display: flex;
    justify-content: flex-end;        
    align-items: center;
    gap: 20px;
    background-color: #34495e;
    padding: 15px 25px;
    border-radius: 50px;
    margin-bottom: 30px;
    flex-wrap: wrap;                  
}

.nav-link {
    color: #ecf0f1 !important;        
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 30px;
    transition: all 0.3s;
    font-size: 1.1rem;
    background-color: rgba(255,255,255,0.1); 
}

.nav-link:hover {
    background-color: #e74c3c;        
    transform: scale(1.05);
}

.profile {
    display: flex;
    align-items: center;              
    gap: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 30px;
    border-radius: 20px;
    color: white;
    flex-wrap: wrap;                  
}

.profile-avatar {
    flex: 0 0 auto;                  
    order: 1;                        
}

.profile-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid white;
    object-fit: cover;
}

.profile-info {
    flex: 2 1 300px;                  
    order: 2;                          
}

.profile-info h4 {
    font-size: 1.8rem;
    margin: 0 0 5px 0;
    color: white;
}

.profile-info p {
    margin: 5px 0;
    color: rgba(255,255,255,0.9);
}

.profile-bio {
    font-style: italic;
    margin-top: 10px;
}

.profile-stats {
    flex: 1 1 200px;                  
    display: flex;
    flex-direction: column;           
    gap: 10px;
    order: 3;                          
    align-self: flex-end;             
    background: rgba(255,255,255,0.2);
    padding: 15px;
    border-radius: 10px;
}

.profile-stats div {
    font-size: 1.1rem;
    text-align: center;
}

.units-demo {
    margin: 50px 0;
    padding: 30px;
    background-color: #f0f7f0;
    border-radius: 15px;
    border: 2px solid #a8e6a8;
}

.units-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin: 20px 0;
}

.unit-box {
    width: 200px;
    height: 150px;
    background-color: #2ecc71;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border-radius: 8px;
}

.unit-box.percent {
    width: 50%;                       
    background-color: #e67e22;
}

.unit-box.vw {
    width: 30vw;                      
    background-color: #9b59b6;
}

.unit-box.vh {
    height: 20vh;                     
    background-color: #e74c3c;
}

.unit-box.em {
    font-size: 2em;                   
    background-color: #1abc9c;
}

.unit-box.rem {
    font-size: 2rem;                  
    background-color: #f1c40f;
    color: #333;
}

.units-note {
    margin-top: 20px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.6;
}
.news-section {
    margin: 40px 0;
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    
    max-height: 400px;       
    overflow-y: auto;        
    
    border: 2px solid #ddd;
    box-shadow: inset 0 0 10px rgba(0,0,0,0.05);
}

.news-section::-webkit-scrollbar {
    width: 8px;
}

.news-section::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.news-section::-webkit-scrollbar-thumb {
    background: #3498db;
    border-radius: 4px;
}

.news-section::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}
.grid-demo-section {
    margin: 60px 0;
    padding: 30px;
    background-color: #f0f7ff;
    border-radius: 15px;
    border: 2px solid #b8d9ff;
}

.grid-demo-section h3 {
    color: #2c3e50;
    margin: 30px 0 15px;
    padding-bottom: 5px;
    border-bottom: 2px solid #3498db;
}

.simple-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);  
    gap: 15px;
    background-color: #e1f0fa;
    padding: 20px;
    border-radius: 10px;
}

.grid-cell {
    background-color: #3498db;
    color: white;
    padding: 30px 20px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.layout-grid {
    display: grid;
    grid-template-columns: 1fr 3fr;  
    grid-template-rows: auto 1fr auto;
    gap: 15px;
    min-height: 400px;
    background-color: #e1f0fa;
    padding: 20px;
    border-radius: 10px;
}

.layout-header {
    grid-column: 1 / -1;  
    background-color: #e74c3c;
    color: white;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.2rem;
}

.layout-sidebar {
    background-color: #f39c12;
    color: white;
    padding: 20px;
    border-radius: 8px;
}

.layout-content {
    background-color: #2ecc71;
    color: white;
    padding: 20px;
    border-radius: 8px;
}

.layout-footer {
    grid-column: 1 / -1;  
    background-color: #9b59b6;
    color: white;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
}

.mixed-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr auto 200px 1fr;
    gap: 10px;
    background-color: #e1f0fa;
    padding: 20px;
    border-radius: 10px;
}

.mixed-item {
    background-color: #1abc9c;
    color: white;
    padding: 20px 10px;
    text-align: center;
    border-radius: 5px;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.areas-grid {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;  
    grid-template-rows: auto auto 1fr auto;  
    gap: 15px;
    min-height: 500px;
    background-color: #e1f0fa;
    padding: 20px;
    border-radius: 10px;
    grid-template-areas: 
        "header   header   header"   
        "nav      nav      nav"     
        "sidebar  content  extra"    
        "footer   footer   footer";
    overflow: hidden; 
}

.area-header {
    grid-area: header;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
    font-size: 1.2rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.area-nav {
    grid-area: nav;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: white;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
}

.area-sidebar {
    grid-area: sidebar;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    padding: 20px;
    border-radius: 8px;
    font-weight: bold;
}

.area-content {
    grid-area: content;
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: white;
    padding: 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
}

.area-extra {
    grid-area: extra;
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
    color: white;
    padding: 20px;
    border-radius: 8px;
    font-weight: bold;
}

.area-footer {
    grid-area: footer;
    background: linear-gradient(135deg, #34495e, #2c3e50);
    color: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
}

.areas-description {
    margin-top: 20px;
    padding: 15px;
    background: #fff3cd;
    border-left: 5px solid #ffc107;
    border-radius: 5px;
    font-size: 1rem;
}

.areas-description code {
    background: #f8f9fa;
    padding: 2px 6px;
    border-radius: 4px;
    color: #d63384;
}
.simple-grid-merged {
    display: grid;
    grid-template-columns: repeat(3, 1fr);  
    grid-auto-rows: minmax(100px, auto);    
    gap: 15px;
    background-color: #e1f0fa;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.merged-area {
    grid-column: 2 / 4;        
    grid-row: 2 / 4;           
    background: linear-gradient(135deg, #9b59b6, #8e44ad) !important;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

/* Стили для страницы регистрации */
.form-page {
    max-width: 800px;
    margin: 40px auto;
    padding: 0 20px;
}


.registration-form {
    background-color: #f9f9f9;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

fieldset {
    border: 2px solid #3498db;
    border-radius: 10px;
    margin-bottom: 25px;
    padding: 20px;
}

legend {
    font-size: 1.3rem;
    font-weight: bold;
    color: #2c3e50;
    padding: 0 15px;
    background-color: #f9f9f9;
    border-radius: 20px;
}


.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #34495e;
}


.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #bdc3c7;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 5px rgba(52,152,219,0.3);
}

.form-group input:required,
.form-group select:required {
    border-left: 4px solid #e74c3c;
}

.form-group input::placeholder {
    color: #95a5a6;
    font-style: italic;
}

.radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    padding: 10px 0;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
}

.radio-label input[type="radio"] {
    width: auto;
    margin-right: 5px;
}

.form-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
}

.btn-submit,
.btn-reset {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-submit {
    background-color: #2ecc71;
    color: white;
}

.btn-submit:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46,204,113,0.3);
}

.btn-reset {
    background-color: #e74c3c;
    color: white;
}

.btn-reset:hover {
    background-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(231,76,60,0.3);
}

.btn-icon {
    font-size: 1.3rem;
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

.footer {
    flex-shrink: 0;
    background-color: #34495e;
    color: white;
    padding: 20px;
    text-align: center;
    margin-top: 40px;
}

.footer a {
    color: #ecf0f1;
    text-decoration: none;
}

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


::selection {
    background-color: #f39c12;
    color: #2c3e50;
}

::-moz-selection {
    background-color: #f39c12;
    color: #2c3e50;
}

a:link {
    color: #3498db;
}

a:visited {
    color: #9b59b6;
}

a:hover {
    color: #e74c3c;
    text-decoration: underline;
}

a:active {
    color: #2ecc71;
}

a:focus {
    outline: 3px solid #f39c12;
    outline-offset: 2px;
    border-radius: 4px;
}

.btn-submit:hover,
.btn-reset:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-submit:active,
.btn-reset:active {
    transform: translateY(0);
}

.btn-submit:focus,
.btn-reset:focus {
    outline: 3px solid #f39c12;
    outline-offset: 2px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52,152,219,0.2);
    outline: none;
    background-color: #f0f9ff;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #95a5a6;
    font-style: italic;
    font-size: 0.9rem;
    opacity: 0.8;
}

.form-group input:focus::placeholder {
    opacity: 0.4;
}

.radio-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 5px 12px;
    border-radius: 20px;
    transition: all 0.3s;
}

.radio-label:hover {
    background-color: #e9ecef;
}

.radio-label:has(input:checked) {
    background-color: #3498db;
    color: white;
}

.radio-label input[type="radio"]:checked {
    accent-color: #2ecc71;
}

.units-note ul {
    list-style: none;
    padding: 0;
}

.units-note li {
    padding: 10px 15px;
    margin: 5px 0;
    border-radius: 5px;
    transition: transform 0.3s;
}

.units-note li:hover {
    transform: translateX(10px);
}

.units-note li:nth-child(odd) {
    background-color: #e8f4f8;
    border-left: 4px solid #3498db;
}

.units-note li:nth-child(even) {
    background-color: #f0f0f0;
    border-left: 4px solid #9b59b6;
}

.paragraph-small::first-letter,
.paragraph-big::first-letter {
    font-size: 2.5rem;
    font-weight: bold;
    color: #e74c3c;
    float: left;
    margin-right: 8px;
    line-height: 0.8;
}

.paragraph-small::first-line,
.paragraph-big::first-line {
    font-weight: bold;
    color: #2c3e50;
}

ul li:nth-child(odd)::marker {
    color: #e74c3c;
    content: "★ ";
}

ul li:nth-child(even)::marker {
    color: #3498db;
    content: "● ";
}

.news-item h3::before {
    content: "📌 ";
    font-size: 1.1rem;
}

.news-item a::after {
    content: " →";
    transition: transform 0.3s;
    display: inline-block;
}

.news-item a:hover::after {
    transform: translateX(5px);
}

.news-item h3 {
    position: relative;
    display: inline-block;
}

.news-item h3::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    transition: width 0.3s ease;
}

.news-item:hover h3::after {
    width: 100%;
}

:root {
    --primary-color: #3498db;
    --success-color: #2ecc71;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

.news-item:first-child {
    border-top: 2px solid #3498db;
    padding-top: 15px;
}

.news-item:last-child {
    border-bottom: 2px solid #2ecc71;
    padding-bottom: 15px;
}

.checked-demo {
    margin: 40px 0;
    padding: 30px;
    background-color: #f8f9fa;
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    clear: both; 
}

.checked-demo label {
    display: block;
    margin: 12px 0;
    cursor: pointer;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.checked-demo label:hover {
    background-color: #e9ecef;
}
.checked-demo input[type="checkbox"]:checked + span {
    text-decoration: line-through;
    color: #7f8c8d;
    font-style: italic;
}
.checked-demo input[type="checkbox"]:checked {
    accent-color: #2ecc71;
}