/* Zmienne - Motyw jasny */
:root {
    --primary-color: #1877f2;
    --primary-hover: #166fe5;
    --secondary-color: #42b72a;
    --secondary-hover: #36a420;
    --danger-color: #dc3545;
    --danger-hover: #c82333;
    --text-color: #1c1e21;
    --text-muted: #65676b;
    --border-color: #dddfe2;
    --background-light: #f0f2f5;
    --background-main: #ffffff;
    --card-background: #ffffff;
    --navbar-background: #ffffff;
    --modal-background: #ffffff;
    --input-background: #ffffff;
    --hover-background: rgba(0, 0, 0, 0.05);
    --white: #ffffff;
}

/* Zmienne - Motyw ciemny */
[data-theme="dark"] {
    --primary-color: #4e9af1;
    --primary-hover: #3b82d6;
    --secondary-color: #42b72a;
    --secondary-hover: #36a420;
    --danger-color: #e74c3c;
    --danger-hover: #c0392b;
    --text-color: #e4e6ea;
    --text-muted: #b0b3b8;
    --border-color: #3e4042;
    --background-light: #18191a;
    --background-main: #242526;
    --card-background: #242526;
    --navbar-background: #242526;
    --modal-background: #242526;
    --input-background: #3a3b3c;
    --hover-background: rgba(255, 255, 255, 0.1);
    --white: #242526;
}

/* Reset i podstawowe style */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-light);
}

/* Nawigacja */
.navbar {
    background-color: var(--navbar-background) !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

.navbar-nav .nav-link {
    color: var(--text-color) !important;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.dropdown-menu {
    background-color: var(--modal-background);
    border: 1px solid var(--border-color);
}

.dropdown-item {
    color: var(--text-color);
}

.dropdown-item:hover {
    background-color: var(--hover-background);
    color: var(--text-color);
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-size: 24px;
    font-weight: bold;
}

/* Przyciski */
.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

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

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

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

/* Karty */
.card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--card-background);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    color: var(--text-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.card-title {
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-color);
}

.card-body {
    background-color: var(--card-background);
}

.card-header {
    background-color: var(--card-background);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.card-footer {
    background-color: var(--card-background);
    border-top: 1px solid var(--border-color);
}

/* Profile */
.profile-container {
    margin-top: 60px;
    padding: 20px;
}

.profile-header {
    background-color: #f5f8fa;
    background-size: cover;
    background-position: center;
    padding: 3rem 0;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.profile-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
}

.profile-header-content {
    position: relative;
    z-index: 2;
    color: #fff;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1rem;
}

.profile-avatar {
    margin-right: 1.5rem;
    margin-bottom: -30px;
    border: 4px solid #fff;
    border-radius: 50%;
    background-color: #fff;
}

.avatar-xxl {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
}

.profile-info .profile-name {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
}

.profile-info .profile-username {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.profile-stats span {
    margin-right: 1.5rem;
}

.profile-actions .btn {
    border-radius: 20px;
    font-weight: 600;
}

.profile-nav {
    background-color: #fff;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1rem;
}

.profile-nav .nav-tabs {
    border-bottom: none;
    justify-content: center;
}

.profile-nav .nav-link {
    color: var(--text-muted);
    font-weight: 600;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 1rem 1.5rem;
}

.profile-nav .nav-link.active,
.profile-nav .nav-link:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.profile-cover {
    height: 350px;
    background-size: cover;
    background-position: center;
    border-radius: 8px;
    position: relative;
}

.avatar-xl {
    width: 168px;
    height: 168px;
    border-radius: 50%;
    border: 4px solid var(--white);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.avatar-sm {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.change-avatar {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background-color: rgba(255, 255, 255, 0.9);
}

.change-cover {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background-color: rgba(255, 255, 255, 0.9);
}

.bio {
    font-size: 16px;
    color: var(--text-color);
    margin: 15px 0;
    white-space: pre-line;
}

/* Badges */
.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.badge {
    padding: 8px 12px;
    font-size: 14px;
    border-radius: 20px;
}

.badge i {
    margin-right: 5px;
}

/* Posts */
.post {
    margin-bottom: 20px;
}

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

.post-meta {
    margin-left: 12px;
}

.post-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.post-image {
    width: 100%;
    border-radius: 8px;
    margin: 10px 0;
}

/* Comments */
.comments-section {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.comment {
    display: flex;
    margin-bottom: 15px;
}

.comment-content {
    background-color: var(--background-light);
    padding: 10px 15px;
    border-radius: 18px;
    margin-left: 12px;
    flex: 1;
}

.comment-meta {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 5px;
}

/* Forms */
.form-control {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 12px;
    background-color: var(--input-background);
    color: var(--text-color);
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(78, 154, 241, 0.25);
    background-color: var(--input-background);
    color: var(--text-color);
    outline: 0;
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-label {
    color: var(--text-color);
}

/* Modals */
.modal-content {
    border-radius: 8px;
    border: none;
    background-color: var(--modal-background);
    color: var(--text-color);
}

.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    background-color: var(--modal-background);
}

.modal-body {
    padding: 20px;
    background-color: var(--modal-background);
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 15px 20px;
    background-color: var(--modal-background);
}

.modal-title {
    color: var(--text-color);
}

.close {
    color: var(--text-color);
    opacity: 0.7;
}

.close:hover {
    color: var(--text-color);
    opacity: 1;
}

/* Loading spinner */
.loading {
    padding: 20px;
    text-align: center;
}

.spinner-border {
    color: var(--primary-color);
}

/* Responsywność */
@media (max-width: 768px) {
    .profile-header-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .profile-avatar {
        margin-right: 0;
        margin-bottom: 1rem;
    }

    .profile-actions {
        margin-top: 1rem;
    }

    .profile-cover {
        height: 200px;
    }

    .avatar-xl {
        width: 120px;
        height: 120px;
    }

    .change-cover {
        bottom: 10px;
        right: 10px;
    }

    .card-body {
        padding: 15px;
    }
}

/* Animacje */
.fade-enter {
    opacity: 0;
}

.fade-enter-active {
    opacity: 1;
    transition: opacity 300ms ease-in;
}

.fade-exit {
    opacity: 1;
}

.fade-exit-active {
    opacity: 0;
    transition: opacity 300ms ease-in;
}

/* Powiadomienia */
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1050;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease-out;
}

.notification.success {
    border-left: 4px solid var(--secondary-color);
}

.notification.error {
    border-left: 4px solid var(--danger-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Przyciski akcji */
.action-buttons {
    display: flex;
    gap: 10px;
}

.action-button {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s ease;
}

.action-button i {
    font-size: 16px;
}

.action-button:hover {
    transform: translateY(-1px);
}

/* Statystyki */
.stats-card {
    text-align: center;
    padding: 20px;
}

.stats-number {
    font-size: 24px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stats-label {
    color: var(--text-muted);
    font-size: 14px;
}

/* Galeria zdjęć */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.gallery-item {
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
    border-radius: 8px;
}

.gallery-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

/* Przyciski społecznościowe */
.social-buttons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: transform 0.2s ease;
}

.social-button:hover {
    transform: scale(1.1);
}

.facebook {
    background-color: #1877f2;
}

.twitter {
    background-color: #1da1f2;
}

.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.linkedin {
    background-color: #0077b5;
}

/* Tooltip */
[data-tooltip] {
    position: relative;
    cursor: pointer;
}

[data-tooltip]:before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 10px;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    font-size: 12px;
    border-radius: 4px;
    white-space: nowrap;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.2s ease;
}

[data-tooltip]:hover:before {
    visibility: visible;
    opacity: 1;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #666;
}

/* Feed postów */
.post .card-body {
    padding: 1rem;
}

.post .post-author-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
}

.post .post-author-link {
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
}

.post .post-author-link:hover {
    text-decoration: underline;
}

.post .post-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.post .post-content {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.post .post-media img,
.post .post-media video {
    max-height: 500px;
    width: 100%;
    object-fit: cover;
    border-radius: var(--border-radius);
}

.post .card-footer {
    padding: 0.5rem 0;
    border-top: 1px solid var(--border-color);
}

.post .post-action-btn {
    border: none;
    background-color: transparent;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.5rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.post .post-action-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.post .post-action-btn .action-text {
    display: inline-block;
}

.post .like-btn.text-primary {
    color: var(--primary-color) !important;
}

@media (max-width: 768px) {
    .post .post-action-btn .action-text {
        display: none;
    }
}

/* Stories */
#stories-container {
    overflow-x: auto;
    padding-bottom: 10px;
    white-space: nowrap;
}

.story-item {
    cursor: pointer;
    display: inline-block;
    vertical-align: top;
    width: 80px;
}

.story-avatar {
    border-radius: 50%;
    padding: 3px;
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
    position: relative;
}

.story-avatar.viewed {
     background: #dbdbdb;
}

.story-avatar img {
    border: 2px solid #fff;
    border-radius: 50%;
}

.story-avatar.add-story {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    font-size: 24px;
    color: #fff;
    margin: 0 auto;
}

.story-username {
    font-size: 12px;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    display: block;
}

/* Story Viewer Modal */
#storyViewerModal .modal-fullscreen {
    width: 100vw;
    max-width: none;
    height: 100%;
    margin: 0;
}

#storyViewerModal .modal-content {
    height: 100%;
    border-radius: 0;
}

#story-viewer-content img,
#story-viewer-content video {
    max-height: 90vh;
    max-width: 90vw;
    object-fit: contain;
}

.story-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    z-index: 10;
}

.story-nav.prev {
    left: 20px;
}

.story-nav.next {
    right: 20px;
}

/* Przełącznik motywu */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 8px 12px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    margin-right: 10px;
}

.theme-toggle:hover {
    background-color: var(--hover-background);
    border-color: var(--primary-color);
}

.theme-toggle i {
    margin-right: 5px;
}

/* Dodatkowe style dla ciemnego motywu */
[data-theme="dark"] .post .post-action-btn:hover {
    background-color: var(--hover-background);
}

[data-theme="dark"] .list-group-item {
    background-color: var(--card-background);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .list-group-item:hover,
[data-theme="dark"] .list-group-item.active {
    background-color: var(--hover-background);
    color: var(--text-color);
}

[data-theme="dark"] .btn-light {
    background-color: var(--input-background);
    border-color: var(--border-color);
    color: var(--text-color);
}

[data-theme="dark"] .btn-light:hover {
    background-color: var(--hover-background);
    color: var(--text-color);
}

[data-theme="dark"] .text-muted {
    color: var(--text-muted) !important;
}

[data-theme="dark"] .navbar-toggler {
    border-color: var(--border-color);
}

[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28228, 230, 234, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Profile nav dla ciemnego motywu */
[data-theme="dark"] .profile-nav {
    background-color: var(--card-background);
}

/* Animacja przejścia motywu */
body, .card, .navbar, .modal-content, .form-control, .dropdown-menu {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Dodatkowe hover effects dla ciemnego motywu */
[data-theme="dark"] a {
    color: var(--primary-color);
}

[data-theme="dark"] a:hover {
    color: var(--primary-hover);
}

/* Sticky elements */
.sticky-top {
    position: sticky;
    top: 70px;
    z-index: 1020;
}

/* Form check dla ciemnego motywu */
[data-theme="dark"] .form-check-label {
    color: var(--text-color);
}

[data-theme="dark"] .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Alerty */
[data-theme="dark"] .alert {
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .alert-danger {
    background-color: rgba(231, 76, 60, 0.1);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

[data-theme="dark"] .alert-success {
    background-color: rgba(66, 183, 42, 0.1);
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

[data-theme="dark"] .alert-info {
    background-color: rgba(78, 154, 241, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Auth container */
.auth-container {
    margin-top: 100px;
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

[data-theme="dark"] .dropdown-divider {
    border-color: var(--border-color);
}