/* PulsePoint - Minimalist News Aggregator Styles */

/*
 * MERGED STYLES (Source of Truth)
 * Contains Critical CSS + Main Application Styles
 */

/* --- CRITICAL STYLES (Originally from critical.css) --- */
:root {
    --color-bg: #fafbfc;
    --color-bg-gradient: linear-gradient(135deg, #fafbfc 0%, #f5f7fa 100%);
    --color-text: #1a202c;
    --color-text-muted: #718096;
    --color-card-bg: #ffffff;
    --color-border: #e2e8f0;
    --color-accent: #3b82f6;
    --color-accent-hover: #2563eb;
    --color-accent-soft: #dbeafe;
    --color-source-bg: #fef3c7;
    --color-source-text: #92400e;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, .04);
    --transition: all .3s cubic-bezier(.4, 0, .2, 1)
}

[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-card-bg: #1e293b;
    --color-card-hover-bg: #334155;
    --color-border: #334155;
    --color-accent: #60a5fa;
    --color-accent-hover: #3b82f6;
    --color-accent-soft: #1e3a8a;
    --color-source-bg: #713f12;
    --color-source-text: #fef3c7;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-bg: #0f172a;
        --color-bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        --color-text: #f1f5f9;
        --color-text-muted: #94a3b8;
        --color-card-bg: #1e293b;
        --color-card-hover-bg: #334155;
        --color-border: #334155;
        --color-accent: #60a5fa;
        --color-accent-hover: #3b82f6;
        --color-accent-soft: #1e3a8a;
        --color-source-bg: #713f12;
        --color-source-text: #fef3c7;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.4);
        --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.5);
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

body {
    font-family: var(--font-primary);
    background: var(--color-bg-gradient);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column
}

.header {
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 3rem 0 2.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-sm)
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: .5rem
}

.header-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0;
    letter-spacing: -1px
}

.header-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin: 0;
    font-weight: 400;
    text-align: center
}

.main-content {
    flex: 1;
    padding: 1rem 0 3rem
}

.container {
    max-width: 1200px;
    margin: 0 auto
}

@media (max-width:768px) {
    .header {
        padding: 2rem 0 1.5rem;
        margin-bottom: 2rem
    }

    .header-title {
        font-size: 1.75rem
    }

    .header-subtitle {
        font-size: .9rem
    }
}

.search-container {
    margin-bottom: 2rem
}

.search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--color-card-bg);
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm)
}

.search-wrapper:focus-within {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md)
}

.search-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--color-text-muted);
    margin-right: 0.75rem;
    flex-shrink: 0
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--color-text);
    outline: none;
    font-family: var(--font-primary)
}

.search-input::placeholder {
    color: var(--color-text-muted)
}

.clear-search {
    width: 2rem;
    height: 2rem;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0
}

.clear-search:hover {
    background-color: var(--color-border);
    color: var(--color-text)
}

.clear-search svg {
    width: 1rem;
    height: 1rem
}

/* Buttons and toggles (New Position) */
.fixed-action-buttons {
    position: fixed;
    top: 1rem;
    right: 1rem;
    display: flex;
    gap: 0.5rem;
    z-index: 1000
}

.action-btn {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    color: var(--color-text);
    box-shadow: var(--shadow-sm)
}

.action-btn:hover {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, .1)
}

.action-btn svg {
    width: 20px;
    height: 20px
}

.sun-icon {
    display: block
}

.moon-icon {
    display: none
}

[data-theme="dark"] .sun-icon {
    display: none
}

[data-theme="dark"] .moon-icon {
    display: block
}

/* --- NON-CRITICAL / REST OF APPLICATION STYLES --- */

/* Skip to Content Link (Accessibility) */
.skip-to-content {
    position: absolute;
    top: -100px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-accent);
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    border-radius: 0 0 8px 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    z-index: 9999;
    box-shadow: var(--shadow-md);
    transition: top 0.3s ease;
}

.skip-to-content:focus {
    top: 0;
    outline: 3px solid #ffffff;
    outline-offset: 2px;
}

/* Focus Styles - Improved visibility for keyboard navigation */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus,
[tabindex]:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Ensure focus outline is visible in dark mode */
[data-theme="dark"] a:focus,
[data-theme="dark"] button:focus,
[data-theme="dark"] input:focus {
    outline-color: var(--color-accent);
}

.news-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* News Card */
.news-card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-left: 3px solid transparent;
    border-radius: 10px;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.news-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-accent-soft);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px) scale(1.01);
    border-left-color: var(--color-accent);
    border-color: var(--color-border);
}

.news-card:hover::before {
    opacity: 0.3;
}

.news-card>* {
    position: relative;
    z-index: 1;
}

.news-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0;
    border-bottom: none;
    gap: 1rem;
}

.news-source {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-source-text);
    background-color: var(--color-source-bg);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    white-space: nowrap;
}

.news-date {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.news-card-body {
    flex: 1;
    margin-bottom: 0;
}

.news-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.news-title a {
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition-fast);
}

.news-title a:hover {
    color: var(--color-accent);
}

.news-title a:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

.news-summary {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Card animation on load */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.news-card.fade-in {
    animation: fadeInUp 0.5s ease-out forwards;
}

/* Footer */
.footer {
    background-color: var(--color-card-bg);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem 0;
    margin-top: auto;
}

.footer p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Responsive Design Overrides */
@media (max-width: 768px) {
    /* Header overrides already in critical section, checking consistency */

    .news-card {
        padding: 1.5rem;
    }

    .news-title {
        font-size: 1.1rem;
    }

    .news-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

/* Loading State */
.spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.25rem;
}

/* Alert Styles */
.alert {
    border-radius: 8px;
    border: 1px solid;
}

.alert-danger {
    background-color: #fff5f5;
    border-color: #feb2b2;
    color: #c53030;
}

[data-theme="dark"] .alert-danger {
    background-color: #7f1d1d;
    border-color: #991b1b;
    color: #fecaca;
}

/* Search Meta & No Results */
.search-meta {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.no-results svg {
    width: 4rem;
    height: 4rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.no-results h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.no-results p {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin: 0;
}

.clear-link {
    background: none;
    border: none;
    color: var(--color-accent);
    text-decoration: underline;
    cursor: pointer;
    font-size: inherit;
    font-family: inherit;
    padding: 0;
    transition: var(--transition-fast);
}

.clear-link:hover {
    color: var(--color-accent-hover);
}

.clear-link:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

/* Responsive Search & Accessibility Overrides */
@media (max-width: 768px) {
    .search-wrapper {
        padding: 0.625rem 0.875rem;
    }

    .search-input {
        font-size: 0.9375rem;
    }

    .search-meta {
        font-size: 0.8125rem;
    }

    .no-results {
        padding: 3rem 1.5rem;
    }

    .no-results svg {
        width: 3rem;
        height: 3rem;
    }

    .no-results h3 {
        font-size: 1.25rem;
    }

    .no-results p {
        font-size: 0.9375rem;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .news-card.fade-in {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .news-card:hover {
        transform: none;
    }

    .action-btn:hover {
        transform: none;
    }

    .skip-to-content {
        transition: none;
    }
}

@media (max-width: 768px) {

    a,
    button,
    input[type="checkbox"],
    input[type="radio"],
    .action-btn,
    .clear-search {
        min-height: 44px;
        min-width: 44px;
    }

    p a,
    .news-summary a {
        min-height: auto;
        min-width: auto;
    }

    .action-btn {
        width: 44px;
        height: 44px;
    }

    .clear-search {
        width: 2.75rem;
        height: 2.75rem;
    }
}

/* Source Filter Chips */
.source-chips-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.source-chip {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    border: 1.5px solid var(--color-border);
    background: var(--color-card-bg);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    user-select: none;
}

.source-chip:hover {
    border-color: var(--color-accent);
}

.source-chip.active {
    background: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.source-chip.inactive {
    opacity: 0.45;
    background: transparent;
}

.chip-actions {
    display: flex;
    gap: 0.5rem;
    margin-left: 0.25rem;
}

.chip-action {
    font-size: 0.75rem;
    color: var(--color-accent);
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.25rem 0.5rem;
    font-weight: 500;
    text-decoration: underline;
    transition: var(--transition-fast);
}

.chip-action:hover {
    color: var(--color-accent-hover);
}

/* Bookmark Icon */
.bookmark-btn {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    border-radius: 50%;
    transition: var(--transition);
    color: var(--color-text-muted);
}

.bookmark-btn:hover {
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.bookmark-btn svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-fast);
}

.bookmark-btn.saved {
    color: var(--color-accent);
}

.bookmark-btn.saved svg {
    fill: var(--color-accent);
}

/* Skeleton Loading */
.skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.skeleton-card {
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.skeleton-bar {
    height: 14px;
    border-radius: 7px;
    background: linear-gradient(90deg, var(--color-border) 25%, var(--color-accent-soft) 50%, var(--color-border) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-bar.short { width: 30%; }
.skeleton-bar.medium { width: 70%; }
.skeleton-bar.long { width: 100%; }
.skeleton-bar.xlong { width: 85%; }

/* Reading Time Badge */
.read-time {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    margin-left: 0.5rem;
    opacity: 0.75;
}

/* Daily Briefing Card */
.briefing-card {
    background: var(--color-accent-soft);
    border: 1px solid var(--color-accent);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    position: relative;
}

.briefing-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.briefing-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.briefing-toggle {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    padding: 0.25rem;
    line-height: 1;
    transition: var(--transition-fast);
}

.briefing-toggle:hover {
    color: var(--color-text);
}

.briefing-summary {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.briefing-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.briefing-topic-chip {
    font-size: 0.75rem;
    padding: 0.35rem 0.75rem;
    border-radius: 20px;
    background: var(--color-card-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.briefing-topic-chip:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.briefing-topic-chip.active {
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.briefing-topic-count {
    background: var(--color-accent);
    color: #fff;
    font-size: 0.65rem;
    padding: 1px 6px;
    border-radius: 10px;
    font-weight: 700;
}

.briefing-unavailable {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding: 0.5rem 0;
}