/* Root Variables */
:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --danger-color: #e74c3c;
    --text-color: #333;
    --bg-color: #f5f5f5;
    --card-bg: #ffffff;
    --border-color: #ddd;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --text-color: #e0e0e0;
    --bg-color: #1a1a1a;
    --card-bg: #2d2d2d;
    --border-color: #444;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Global Styles on all major components*/
* {
    margin: 0;
    padding: 0;
    /* box-sizing:content-box; */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.3s, color 0.3s;
}

a {
    text-decoration: none;
    color: var(--primary-color);
}


/* Header styling*/
.site-header {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    height:fit-content;
}

.header-container {
    max-width: 80%;
    margin: 0 auto;
    padding: 0 10px;
    height: 100%;
    display: flex;
    justify-content:space-evenly;
    align-items: center;
}

.logo a {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
}

.main-nav {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.nav-link:hover, .nav-link.active {
    background-color: var(--primary-color);
    color: white;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Footer styling */
.site-footer {
    background-color: var(--card-bg);
    box-shadow: var(--shadow);
    margin-top: auto;
    height: auto;
    display: flex;
    align-items: center;
}

.footer-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
    width: 100%;
}

/* Main Content on the body screen part*/
.main-content {
    flex: 1;
    padding: 30px 20px;
}

.container {
    width: 90%;
    height: 80%;
    max-width: 900px;
    margin: 0 auto;
}

/* Buttons on the main container*/
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-color);
}

.btn-secondary:hover {
    background-color: #bbb;
}

.btn-small {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-action {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    padding: 8px 15px;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.btn-action:hover {
    background-color: var(--bg-color);
}

.btn-action.liked {
    color: var(--danger-color);
}

/* Forms inputs and display types*/
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="color"],
.form-group select,
.form-group textarea {
    width: 95%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-color);
    font-size: 14px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}


.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* Auth Pages like Login and Register even LOgout styles*/
.auth-container {
    min-height: 89vh;
    display: flex;
    justify-content: left;
    align-items: center;
    padding: 50px;
}

.auth-box {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 600px;
}

.auth-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.auth-link {
    text-align: center;
    margin-top: 20px;
}
/* Avatar Selection on the Regsister screen*/
.avatar-selection {
    display: flex;
    gap: 1.5rem;
    justify-content: space-around;
    padding-top: 0.5rem;
}

.avatar-option {
    text-align: center;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    transition: background-color 0.2s, box-shadow 0.2s;
}

.avatar-option:hover {
    background-color: rgba(4, 102, 200, 0.1);
    /* Subtle blue hover */
}

.avatar-option.selected {
    box-shadow: 0 0 0 3px #007bff;
    background-color: rgba(4, 102, 200, 0.2);
}

/* Style for the avatar images */
.avatar-option img {
    width: 80%;
    height: 80%;
    border-radius: 50%;
    display: block;
    margin: 0 auto 0.25rem auto;
    object-fit: cover;
}

.avatar-option .text-sm {
    display: block;
    font-size: 0.875rem;
    color: #333;
    font-weight: 500;
    margin-top: 0.5rem;
}

/* Dark mode support for the switch from light on avatar select spesific*/
body.dark .avatar-option:hover {
    background-color: rgba(4, 102, 200, 0.2);
}

body.dark .avatar-option.selected {
    box-shadow: 0 0 0 3px #007bff;
}

body.dark .avatar-option .text-sm {
    color: #fff;
}
/* Dark Mode Styles for Registration screen spesific*/
body.dark {
    background-color: #1a1a1a;
    color: #ffffff;
}

body.dark .auth-container {
    background-color: #1a1a1a;
}

body.dark .auth-box {
    background-color: #2d2d2d;
    color: #ffffff;
    border: 1px solid #444;
}

body.dark .auth-box h1 {
    color: #ffffff;
}

body.dark .form-group label {
    color: #e0e0e0;
}

body.dark .form-group input[type="text"],
body.dark .form-group input[type="email"],
body.dark .form-group input[type="password"],
body.dark .form-group input[type="file"] {
    background-color: #3a3a3a;
    color: #ffffff;
    border: 1px solid #555;
}

body.dark .form-group input[type="text"]:focus,
body.dark .form-group input[type="email"]:focus,
body.dark .form-group input[type="password"]:focus {
    border-color: #007bff;
    background-color: #404040;
}

body.dark .btn-primary {
    background-color: #007bff;
    color: #ffffff;
}

body.dark .btn-primary:hover {
    background-color: #0056b3;
}

body.dark .auth-link {
    color: #b0b0b0;
}

body.dark .auth-link a {
    color: #4a9eff;
}

body.dark .auth-link a:hover {
    color: #66b3ff;
}

body.dark .avatar-option:hover {
    background-color: rgba(4, 102, 200, 0.2);
}

body.dark .avatar-option.selected {
    box-shadow: 0 0 0 3px #007bff;
    background-color: rgba(4, 102, 200, 0.3);
}

body.dark .avatar-option .text-sm {
    color: #ffffff;
}

body.dark .form-section {
    border-bottom-color: #444;
}

body.dark .form-section h3 {
    color: #ffffff;
}

body.dark .optional-label {
    color: #888;
}

body.dark .file-input-label {
    color: #b0b0b0;
}

body.dark .theme-option,
body.dark .color-option {
    border-color: #555;
    background-color: #3a3a3a;
}

body.dark .theme-option:hover,
body.dark .color-option:hover {
    border-color: #007bff;
    background-color: #404040;
}

body.dark .theme-option span,
body.dark .color-option span {
    color: #ffffff;
}

body.dark .error-messages {
    background-color: #4a2020;
    border-color: #8b3a3a;
}

body.dark .error {
    color: #ff6b6b;
}

body.dark .success-message {
    background-color: #1e4620;
    border-color: #2d6b32;
}

body.dark .success-message p {
    color: #90ee90;
}

body.dark .success-message a {
    color: #4a9eff;
}

/* Profile picture preview just before upload (small picture)*/
.profile-pic-preview {
    max-width: 150px;
    max-height: 150px;
    margin-top: 10px;
    border-radius: 8px;
    display: none;
    border: 2px solid #ddd;
}

.file-input-label {
    display: block;
    font-size: 14px;
    color: #666;
    margin-top: 5px;
}

/* Optional label styling (just overriding with H3 styling as well in places */
.optional-label {
    color: #999;
    font-size: 12px;
    font-weight: normal;
    margin-left: 5px;
}

/* Form sections when the forms splits are styled */
.form-section {
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section h3 {
    margin-bottom: 15px;
    color: #333;
    font-size: 16px;
    font-weight: 600;
}

body.dark .form-section {
    border-bottom-color: #444;
}

body.dark .form-section h3 {
    text-shadow:
        -1px -1px 0 white,
        1px -1px 0 white,
        -1px 1px 0 white,
        1px 1px 0 white;
    color: var(--primary-color);
}

/* Theme options light and dark selection of profile page*/
.theme-options,
.color-scheme-options {
    display: flex;
    gap: 15px;
    margin: 10px 0;
    flex-wrap: wrap;
}

.theme-option,
.color-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-option:hover,
.color-option:hover {
    border-color: #007bff;
    background-color: #f8f9fa;
}

.theme-option input[type="radio"],
.color-option input[type="radio"] {
    margin: 0;
}

.color-preview {
    width: 24px;
    height: 24px;
    border-radius: 4px;
    border: 2px solid #ddd;
    display: inline-block;
}
/* Color Scheme Variables on register screen only  */
:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --primary-light: rgba(4, 102, 200, 0.1);
    --primary-medium: rgba(4, 102, 200, 0.2);
    --primary-strong: rgba(4, 102, 200, 0.3);
}

body.color-blue {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --primary-light: rgba(0, 123, 255, 0.1);
    --primary-medium: rgba(0, 123, 255, 0.2);
    --primary-strong: rgba(0, 123, 255, 0.3);
}

body.color-green {
    --primary-color: #28a745;
    --primary-hover: #1e7e34;
    --primary-light: rgba(40, 167, 69, 0.1);
    --primary-medium: rgba(40, 167, 69, 0.2);
    --primary-strong: rgba(40, 167, 69, 0.3);
}

body.color-purple {
    --primary-color: #6f42c1;
    --primary-hover: #5a32a3;
    --primary-light: rgba(111, 66, 193, 0.1);
    --primary-medium: rgba(111, 66, 193, 0.2);
    --primary-strong: rgba(111, 66, 193, 0.3);
}

body.color-red {
    --primary-color: #dc3545;
    --primary-hover: #bd2130;
    --primary-light: rgba(220, 53, 69, 0.1);
    --primary-medium: rgba(220, 53, 69, 0.2);
    --primary-strong: rgba(220, 53, 69, 0.3);
}

/* Apply color variables to elements  all elements change on submit*/
.btn-primary {
    background-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.avatar-option:hover {
    background-color: var(--primary-light);
}

.avatar-option.selected {
    box-shadow: 0 0 0 3px var(--primary-color);
    background-color: var(--primary-medium);
}

body.dark .avatar-option:hover {
    background-color: var(--primary-medium);
}

body.dark .avatar-option.selected {
    box-shadow: 0 0 0 3px var(--primary-color);
    background-color: var(--primary-strong);
}

.theme-option:hover,
.color-option:hover {
    border-color: var(--primary-color);
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus,
.form-group input[type="file"]:focus {
    border-color: var(--primary-color);
    outline: none;
}

body.dark .form-group input[type="text"]:focus,
body.dark .form-group input[type="email"]:focus,
body.dark .form-group input[type="password"]:focus {
    border-color: var(--primary-color);
}

body.dark .theme-option:hover,
body.dark .color-option:hover {
    border-color: var(--primary-color);
}

.auth-link a {
    color: var(--primary-color);
}

.auth-link a:hover {
    color: var(--primary-hover);
}

body.dark .auth-link a {
    color: var(--primary-color);
}

body.dark .auth-link a:hover {
    color: var(--primary-hover);
}

body.dark .success-message a {
    color: var(--primary-color);
}

/* Messages popup success/error styling*/
.error-messages, .success-message {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.error-messages {
    background-color: red;
    border: 1px solid var(--danger-color);
}

.error {
    color: white;
    margin: 5px 0;
}

.success-message {
    background-color: green;
    border: 1px solid var(--secondary-color);
}

.success {
    color: white;
    margin: 5px 0;
}


/* Posts screen styling divs and textareas */
.create-post-box {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.create-post-box h2 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.create-post-box textarea {
    width: 95%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-size: 14px;
    resize: vertical;
    min-height: 100px;
    margin-bottom: 15px;
}

.post-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

#post-image-input {
    display: none;
}

/* Posts Feed  run in scroll down senter page styling no pagenation yet*/
.posts-feed {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.post-card {
    background-color: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.post-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.post-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.post-user-info h3 {
    font-size: 16px;
    margin-bottom: 3px;
}

.post-time {
    font-size: 12px;
    color: #888;
}

.post-content {
    margin-bottom: 15px;
}

.post-content p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.post-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 8px;
    margin-top: 15px;
}

.post-actions-bar {
    display: flex;
    gap: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

/* Comments section styling (username and colors) */
.comments-section {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.comments-list {
    margin-bottom: 15px;
}

.comment {
    padding: 10px;
    background-color: var(--bg-color);
    border-radius: 8px;
    margin-bottom: 10px;
}

.comment strong {
    color: var(--primary-color);
}

.comment p {
    margin: 5px 0;
    font-size: 14px;
}

.comment-time {
    font-size: 11px;
    color: #888;
}

.comment-form {
    display: flex;
    gap: 10px;
}

.comment-form input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--text-color);
}

/* Profile Page styling on left side bar and 2 main sections for updates*/
.profile-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
}

.profile-sidebar {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    height: fit-content;
}

.profile-picture-section {
    text-align: center;
    margin-bottom: 25px;
}

.profile-picture {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 3px solid var(--primary-color);
}

#profile-pic-input {
    display: none;
}

.profile-stats {
    text-align: center;
}

.profile-stats h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

.profile-stats p {
    margin: 8px 0;
    font-size: 14px;
}

.profile-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.profile-section {
    background-color: var(--card-bg);
    padding: 25px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.profile-section h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

/* Chat Page the chat and friends containers on sidebar and main section*/
.chat-container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 20px;
    height: calc(100vh - var(--header-height) - var(--footer-height) - 60px);
}

.chat-sidebar {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    overflow-y: auto;
    padding: 20px;
}

.search-section, .pending-section, .friends-section {
    margin-bottom: 25px;
}

.search-section h3, .pending-section h3, .friends-section h3 {
    margin-bottom: 15px;
    font-size: 16px;
    color: var(--primary-color);
}

.search-section form {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
}

.search-section input {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.user-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    transition: background-color 0.3s;
    cursor: pointer;
}

.user-item:hover, .user-item.active {
    background-color: var(--bg-color);
}

.user-item img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-item span {
    flex: 1;
    font-weight: 500;
}

.search-results, .pending-section {
    max-height: 300px;
    overflow-y: auto;
}

.chat-main {
    background-color: var(--card-bg);
    color: var(--primary-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.chat-header img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.chat-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
}

.messages-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.message {
    display: flex;
}

.message.sent {
    justify-content: flex-end;
}

.message.received {
    justify-content: flex-start;
}

.message-content {
    max-width: 60%;
    padding: 12px 16px;
    border-radius: 12px;
    position: relative;
}

.message.sent .message-content {
    background-color: var(--primary-color);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.received .message-content {
    background-color: var(--bg-color);
    color: var(--text-color);
    border-bottom-left-radius: 4px;
}

.message-content p {
    margin-bottom: 5px;
    word-wrap: break-word;
}

.message-time {
    font-size: 11px;
    opacity: 0.7;
}

.message-form {
    display: flex;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.message-form input {
    flex: 1;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--bg-color);
    color: var(--text-color);
}

.no-data {
    text-align: center;
    color: #888;
    padding: 20px;
}
/* Post Image Styling  in keeping the preview small and fitted when posted*/
.post-image {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    background-color: transparent;
    border-radius: 8px;
    margin-top: 10px;
    display: block;
}

/* For dark mode to get the background dark around the image not white*/
[data-theme="dark"] .post-image {
    background-color: var(--card-background);
}
/* all h2 and h3 text to get a border around it in dark mode */
h2,h3 {
    text-shadow:
        -1px -1px 0 white,
        1px -1px 0 white,
        -1px 1px 0 white,
        1px 1px 0 white;
        color: var(--primary-color);
}


/* Responsive Design for mobile tabled and desktop as good as possible*/
@media (max-width: 968px) {
    .profile-container, .chat-container {
        grid-template-columns: 1fr;
    }
    
    .chat-sidebar {
        max-height: 400px;
    }
    
    .header-container {
        flex-wrap: wrap;
        height: auto;
        padding: 15px 20px;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 10px;
    }
}

@media (max-width: 600px) {
    .auth-box {
        padding: 25px;
    }
    
    .post-actions {
        flex-direction: column;
    }
    
    .post-actions-bar {
        flex-direction: column;
        gap: 10px;
    }
    
    .message-content {
        max-width: 80%;
    }
}