/*
⚠️ WICHTIGER HINWEIS ⚠️
Vor jeder Code-Änderung MUSS die Dokumentation im /docs Verzeichnis
geprüft werden. Dies stellt sicher, dass alle Änderungen konsistent
mit der bestehenden Architektur und den Entwicklungsrichtlinien sind.
Siehe: /docs/README.md für eine Übersicht der Dokumentation
*/

/* Prevent white flash on page load for dark theme */
html {
    background-color: #212529;
    color: white;
}

/* Custom styles to enhance Bootstrap */
:root {
    --content-padding: 1.5rem;
    --card-transition: 0.2s;
    --page-transition: 0.15s;
    --dark-bg: #212529;
}

body.loading {
    opacity: 0.95;
}

/* Fast smooth transitions for navigation */
.nav-button, .btn {
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateZ(0); /* Force hardware acceleration */
}

.nav-button:hover, .btn:hover {
    transform: translateY(-1px) translateZ(0);
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    opacity: 1;
    transition: opacity var(--page-transition) ease-in-out;
    background-color: #212529 !important;
}

.container {
    flex: 1 0 auto;
}

/* Welcome section */
.welcome-section {
    max-width: 900px;
    margin: 0 auto 2rem;
}

.welcome-section .card {
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.welcome-section ul {
    padding-left: 1.2rem;
}

.welcome-section ul li {
    margin-bottom: 0.5rem;
}

/* Card styles */
.card {
    transition: transform var(--card-transition);
    height: 100%;
    border: none;
}

.card:hover {
    transform: translateY(-2px);
}

/* Better text readability */
.card-text {
    line-height: 1.8;
    font-size: 1.1rem;
    color: var(--bs-body-color);
}

/* Responsive RSS content image handling */
.card-text img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0.5rem 0;
    border-radius: 4px;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--bs-heading-color);
}

/* Links styling */
.card-title a {
    text-decoration: none;
    color: var(--bs-body-color);
}

.card-title a:hover {
    color: var(--bs-primary);
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .container {
        max-width: 100%;
        overflow-x: hidden;
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
    }

    .news-container {
        overflow-x: hidden;
        width: 100%;
    }

    /* Source list should remain horizontally scrollable */
    .list-group {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 0.25rem;
        padding-bottom: 0.5rem !important;
        margin: 0 -0.5rem;
    }

    .list-group-item {
        flex: 0 0 auto;
        width: auto;
        scroll-snap-align: start;
        white-space: nowrap;
        margin-right: 0.25rem;
        font-size: 0.9rem;
    }

    /* Fix card layout */
    .card {
        margin-left: 0;
        margin-right: 0;
        border-radius: 0.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    /* Fix row and column spacing */
    .row {
        margin-left: 0;
        margin-right: 0;
    }

    .col-md-3, .col-md-9 {
        padding-left: 0;
        padding-right: 0;
    }

    /* Ensure text content doesn't cause horizontal scroll */
    .card-text {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }

    /* Mobile image handling for RSS content */
    .card-text img {
        max-width: 100%;
        height: auto !important;
        width: auto !important;
        max-height: 250px;
        margin: 0.5rem auto !important;
        object-fit: contain;
    }

    /* Fix date navigation scrolling */
    .date-navigation {
        margin: 0 -0.5rem;
        padding: 0 0.5rem;
    }

    .date-navigation .overflow-auto {
        margin: 0 -0.25rem;
        padding: 0 0.25rem;
    }
}

/* Improved mobile source list */
@media (max-width: 768px) {
    .list-group {
        display: flex;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 0.25rem;
        padding-bottom: 0.5rem !important;
    }

    .list-group-item {
        flex: 0 0 auto;
        width: auto;
        scroll-snap-align: start;
        white-space: nowrap;
    }
}

/* Date navigation */
.list-group-item {
    border: none;
    padding: 0.75rem 1.25rem;
    margin-bottom: 0.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
}

@media (min-width: 769px) {
    .sticky-top {
        top: 1rem;
    }

    .list-group-item {
        transition: all 0.2s;
    }

    .list-group-item:hover {
        transform: translateX(5px);
    }
}

/* Proper spacing */
.card-body {
    padding: var(--content-padding);
}

/* Footer styling */
.footer {
    flex-shrink: 0;
    padding: 1.5rem 0;
    margin-top: 2rem;
    background-color: var(--bs-body-bg);
    border-top: 1px solid var(--bs-border-color);
    position: relative;
    width: 100%;
    bottom: 0;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

.footer-links a {
    color: var(--bs-body-color);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem;
    transition: all 0.2s ease;
    border-radius: 4px;
}

.footer-links a:hover {
    color: var(--bs-primary);
    background-color: var(--bs-tertiary-bg);
}

.footer-links a.text-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.footer-links a.text-primary:hover {
    transform: translateY(-2px);
}

/* Light/Dark mode specific styles */
[data-bs-theme="light"] {
    --bs-body-bg: #ffffff;
    --bs-body-color: #212529;
    --bs-heading-color: #000;
    --bs-tertiary-bg: #f8f9fa;
    --bs-border-color: #dee2e6;
}

[data-bs-theme="dark"] {
    --bs-body-bg: #1a1a1a;
    --bs-body-color: #e9ecef;
    --bs-heading-color: #ffffff;
    --bs-tertiary-bg: #2d2d2d;
    --bs-border-color: #373737;
}

/* Card improvements */
.card {
    border-radius: 8px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 1rem;
}

/* Donate page specific styles */
.donate-page {
    min-height: calc(100vh - 200px);
    background-color: var(--bs-body-bg);
}

.donate-content {
    max-width: 1000px;
    margin: 0 auto;
}

.support-section {
    background: var(--bs-body-bg);
    border-radius: 8px;
}

.donate-page .card {
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.donate-page .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.donate-options .card {
    height: 100%;
}

.donate-options .bi {
    font-size: 1.25rem;
}

.donation-cta .btn {
    font-weight: 500;
    padding: 0.75rem 2rem;
}

.donation-cta .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--bs-primary-rgb), 0.2);
}

[data-bs-theme="dark"] .donate-page .card {
    background: var(--bs-tertiary-bg);
}

[data-bs-theme="dark"] .donate-page .alert-light {
    background-color: var(--bs-tertiary-bg);
    border-color: var(--bs-border-color);
}

.donate-page .card:hover {
    transform: translateY(-3px);
}

.donate-page .features-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.donate-page .feature-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
}

.donate-page .feature-item i {
    font-size: 1.25rem;
}

.donate-page .btn-lg {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
}

.donate-page .alert {
    background-color: rgba(var(--bs-info-rgb), 0.1);
    border: 1px solid rgba(var(--bs-info-rgb), 0.2);
}

@media (max-width: 768px) {
    .donate-page {
        min-height: calc(100vh - 150px);
    }

    .donate-page .feature-item {
        font-size: 1rem;
    }

    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .donate-content {
        padding: 0;
    }

    .card {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
        border-radius: 0.5rem;
    }

    .card-body {
        padding: 1rem;
    }

    .row {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }

    .col-lg-8 {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

[data-bs-theme="light"] .card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

[data-bs-theme="dark"] .card {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.card:hover {
    transform: translateY(-4px);
}

[data-bs-theme="light"] .card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

[data-bs-theme="dark"] .card:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Improved container spacing */
.container {
    max-width: 1200px;
    padding: 0 1.5rem;
    margin: 0 auto;
}

/* Navigation improvements */
.navbar {
    padding: 1rem 0;
    border-bottom: 1px solid var(--bs-border-color);
}

.navbar-logo {
    height: 70px;
    border-radius: 10px;
    transition: height 0.3s ease;
}

@media (max-width: 768px) {
    .navbar-logo {
        height: 36px;
    }

    .navbar .btn-link {
        padding: 0.15rem 0.2rem;
        font-size: 0.8rem;
    }

    .navbar .d-flex {
        gap: 2px;
    }

    #theme-toggle {
        width: 28px;
        height: 28px;
        padding: 0.15rem;
    }

    #theme-toggle i {
        font-size: 0.9rem;
    }

    .navbar .btn-group {
        margin-right: 0.1rem !important;
    }

    .navbar .container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}

.nav-tabs {
    border-bottom-color: var(--bs-border-color);
}

.nav-tabs .nav-link {
    color: var(--bs-body-color);
    border: none;
    padding: 0.75rem 1.25rem;
    transition: all 0.2s ease;
}

.nav-tabs .nav-link:hover {
    background-color: var(--bs-tertiary-bg);
    border-color: transparent;
}

.nav-tabs .nav-link.active {
    color: var(--bs-primary);
    background-color: transparent;
    border-bottom: 2px solid var(--bs-primary);
}

/* Mobile optimization for footer */
@media (max-width: 768px) {
    .footer {
        padding: 1rem 0;
    }
}

/* Mobile menu styles */
.mobile-menu {
    height: auto;
    max-height: 80vh;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
    background-color: var(--bs-body-bg);
}

.mobile-menu .offcanvas-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--bs-border-color);
}

.mobile-menu .list-group-item {
    background-color: transparent;
    border: none;
    padding: 1rem 1.5rem;
    color: var(--bs-body-color);
    display: flex;
    align-items: center;
}

.mobile-menu .list-group-item:hover {
    background-color: var(--bs-tertiary-bg);
}

.mobile-menu .list-group-item i {
    font-size: 1.1rem;
}

/* About page styles */
.card {
    transition: transform 0.2s ease-in-out;
    background: var(--bs-body-bg);
    border: 1px solid var(--bs-border-color) !important;
}

.card:hover {
    transform: translateY(-5px);
}

[data-bs-theme="dark"] .card {
    background-color: var(--bs-dark);
}

[data-bs-theme="light"] .card {
    background-color: var(--bs-white);
}

.text-primary {
    color: var(--bs-primary) !important;
}

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

.display-4 {
    color: var(--bs-heading-color);
}

.lead {
    color: var(--bs-body-color);
}

/* Theme toggle button */
#theme-toggle {
    padding: 0.5rem;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--bs-border-color);
}

#theme-toggle i {
    font-size: 1.2rem;
    color: var(--bs-body-color);
}

/* Light theme specific styles */
[data-bs-theme="light"] {
    --bs-body-bg: #f8f9fa;
    --bs-body-color: #212529;
    --bs-heading-color: #000;
}

[data-bs-theme="light"] .card {
    background-color: #ffffff;
    color: #212529;
}

[data-bs-theme="light"] .card-title a {
    color: #212529;
}

[data-bs-theme="light"] .card-text {
    color: #495057;
}

[data-bs-theme="light"] .support-banner {
    background-color: #f8f9fa !important;
    color: #212529;
}

[data-bs-theme="light"] .navbar .btn-link {
    color: #212529 !important;
}

[data-bs-theme="light"] .navbar .btn-link:hover {
    color: var(--bs-primary) !important;
}

[data-bs-theme="light"] .card {
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

[data-bs-theme="light"] .navbar {
    background-color: #ffffff !important;
    border-bottom: 1px solid var(--bs-border-color);
}

[data-bs-theme="light"] .navbar-brand {
    color: var(--bs-body-color) !important;
}

[data-bs-theme="light"] .alert-secondary {
    background-color: #f8f9fa;
    border-color: #e9ecef;
    color: #495057;
}

/* Dark theme specific styles */
[data-bs-theme="dark"] {
    --bs-body-bg: #1a1a1a;
    --bs-body-color: #e9ecef;
    --bs-heading-color: #ffffff;
}

[data-bs-theme="dark"] .card {
    background-color: #242424;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-bs-theme="dark"] .navbar {
    background-color: #242424 !important;
    border-bottom: 1px solid var(--bs-border-color);
}

[data-bs-theme="dark"] .alert-secondary {
    background-color: #242424;
    border-color: #343a40;
    color: #e9ecef;
}

/* News container */
.news-container {
    max-width: 100%;
}

.news-divider {
    opacity: 0.15;
    margin: 0;
    border-top: 1px solid var(--bs-border-color);
}

/* News content formatting */
.news-content {
    overflow: hidden;
}

.news-content img {
    border: 1px solid var(--bs-border-color);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.news-content iframe {
    max-width: 100%;
    margin: 0.75rem 0;
}

.news-content table {
    max-width: 100%;
    overflow-x: auto;
    display: block;
    margin: 0.75rem 0;
    border-collapse: collapse;
}

.news-content table td, 
.news-content table th {
    padding: 0.5rem;
    border: 1px solid var(--bs-border-color);
}

.support-banner {
    background: var(--bs-tertiary-bg) !important;
    transition: transform 0.2s ease;
    color: var(--bs-body-color);
}

[data-bs-theme="light"] .support-banner {
    background-color: #f8f9fa !important;
    border: 1px solid rgba(0,0,0,0.1) !important;
}

[data-bs-theme="light"] .support-banner p {
    color: #495057;
}

.support-banner:hover {
    transform: translateY(-2px);
}

.support-banner .btn {
    font-size: 0.875rem;
}

.news-item {
    transition: all 0.2s;
}

.news-item .card {
    border-radius: 0.5rem;
}

/* Improved touch targets for mobile */
.card-title a {
    position: relative;
    display: block;
    padding: 0.5rem 0;
    margin: -0.5rem 0;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Share buttons styling */
.share-buttons {
    border-top: 1px solid var(--bs-border-color);
    padding-top: 1rem;
}

.share-buttons h6 {
    margin-bottom: 0.75rem;
    color: var(--bs-body-color);
}

.share-buttons .btn {
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
}

.share-buttons .btn:hover {
    transform: translateY(-2px);
}

.share-buttons .bi {
    font-size: 1.2rem;
}

#back-to-top {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 99;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
    transition: opacity 0.3s, transform 0.3s;
    opacity: 0;
}

#back-to-top.visible {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    cursor: pointer;
}

#back-to-top:hover {
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    #back-to-top {
        bottom: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
    }
}

.text-muted {
    color: #adb5bd !important; /* Besserer Kontrast für Accessibility */
    font-size: 0.75rem;
}

/* New styles for footer links */
.footer-link {
    color: var(--bs-body-color);
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
    transition: opacity 0.2s ease;
}

.footer-link:hover {
    color: var(--bs-body-color);
    opacity: 0.8;
}

/* Language switcher styles */
.btn-group .btn-link {
    padding: 0.375rem 0.75rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 0.25rem;
    transition: all 0.2s;
}

.btn-group .btn-link:hover {
    background-color: var(--bs-tertiary-bg);
    color: var(--bs-primary) !important;
}

.btn-group .btn-link.active {
    color: var(--bs-primary) !important;
    background-color: var(--bs-tertiary-bg);
}

.btn-group .btn-link i {
    font-size: 1rem;
}

/* Mobile optimization for language switcher */
@media (max-width: 768px) {
    .btn-group .btn-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.875rem;
    }

    .btn-group .btn-link i {
        font-size: 0.875rem;
    }
}

/* Country Navigation */
.country-navigation {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-button {
    padding: 0.75rem 1.5rem;
    border-radius: 2rem;
    text-decoration: none;
    color: var(--bs-body-color);
    background: var(--bs-tertiary-bg);
    transition: all 0.2s ease;
    border: 1px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-button:hover {
    transform: translateY(-2px);
    color: var(--bs-primary);
    border-color: var(--bs-primary);
}

.nav-button.active {
    background: var(--bs-primary);
    color: white;
    border-color: var(--bs-primary);
}

.nav-button i {
    font-size: 1.1rem;
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .country-navigation {
        gap: 0.5rem;
    }

    .nav-button {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
        flex: 1;
        justify-content: center;
        white-space: nowrap;
    }
}

/* Text-to-Speech Controls */
.tts-controls {
    background-color: var(--bs-tertiary-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
}

.tts-controls .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.tts-controls .progress {
    height: 0.5rem;
    background-color: var(--bs-border-color);
    margin-top: 1rem;
}

.tts-controls .progress-bar {
    transition: width 0.1s ease;
    background-color: var(--bs-primary);
}

/* Mobile optimizations for TTS controls */
@media (max-width: 768px) {
    .tts-controls {
        padding: 0.75rem;
    }

    .tts-controls .btn {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
    }
}

/* News item card styles */
.news-item {
    cursor: pointer;
    transition: all 0.2s ease;
}

.news-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* Modal styles */
.modal-content {
    border: none;
    border-radius: 0.5rem;
    background: var(--bs-body-bg);
}

.modal-header {
    border-bottom: 1px solid var(--bs-border-color);
    padding: 1rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-title {
    font-size: 1.5rem;
    color: var(--bs-heading-color);
    font-weight: 600;
    line-height: 1.3;
}

/* Modal animation */
.modal.fade .modal-dialog {
    transform: translate(0, -50px);
    transition: transform 0.3s ease-out;
}

.modal.show .modal-dialog {
    transform: none;
}

/* Dark theme specific modal styles */
[data-bs-theme="dark"] .modal-content {
    background-color: var(--bs-dark);
    border: 1px solid var(--bs-border-color);
}

[data-bs-theme="dark"] .modal-header {
    border-bottom-color: var(--bs-border-color);
}