/**
 * I3News - Tema Profissional para CMS de Rádio
 * Estilos Principais
 */

/* ========== DESIGN SYSTEM ========== */

:root {
    /* Cores Principais */
    --color-primary: #1e40af;
    --color-primary-dark: #1e3a8a;
    --color-primary-light: #3b82f6;

    --color-secondary: #dc2626;
    --color-secondary-dark: #b91c1c;
    --color-secondary-light: #ef4444;

    --color-accent: #f59e0b;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;

    /* Neutros */
    --color-dark: #111827;
    --color-gray-900: #1f2937;
    --color-gray-800: #374151;
    --color-gray-700: #4b5563;
    --color-gray-600: #6b7280;
    --color-gray-500: #9ca3af;
    --color-gray-400: #d1d5db;
    --color-gray-300: #e5e7eb;
    --color-gray-200: #f3f4f6;
    --color-gray-100: #f9fafb;
    --color-white: #ffffff;

    /* Tipografia */
    --font-heading: 'Inter', 'Roboto', -apple-system, sans-serif;
    --font-body: 'Open Sans', 'Segoe UI', 'Helvetica Neue', sans-serif;

    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

    /* Bordas */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Transições */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Layout */
    --container-max: 1280px;
    --header-height: 70px;
    --player-height: 80px;
}

/* ========== RESET & BASE ========== */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-gray-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

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

a:hover {
    color: var(--color-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    font-family: inherit;
}

/* ========== LAYOUT ========== */

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* ========== HEADER ========== */

.site-header {
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: transform var(--transition-base);
}

.site-header.hidden {
    transform: translateY(-100%);
}

.header-top {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-xs) 0;
    font-size: 0.875rem;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-info {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.header-info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.header-info-item i {
    color: var(--color-primary-light);
}

.header-main {
    padding: var(--spacing-md) 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-xl);
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    text-decoration: none;
}

.site-logo img {
    height: 50px;
    width: auto;
}

.site-logo:hover {
    color: var(--color-primary);
}

/* Navegação */
.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.main-nav a {
    color: var(--color-gray-700);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--color-primary);
    background: var(--color-gray-100);
}

/* Busca */
.header-search {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.header-search input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-right: 2.5rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    transition: all var(--transition-fast);
}

.header-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.header-search button {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-gray-500);
    padding: var(--spacing-sm);
}

/* Botão AO VIVO */
.btn-live {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: all var(--transition-fast);
    animation: pulse 2s ease-in-out infinite;
}

.btn-live:hover {
    background: var(--color-secondary-dark);
    color: var(--color-white);
    transform: scale(1.05);
}

.btn-live .live-indicator {
    width: 8px;
    height: 8px;
    background: var(--color-white);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.3;
    }
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(220, 38, 38, 0.7);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(220, 38, 38, 0);
    }
}

/* Menu Mobile */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gray-700);
    padding: var(--spacing-sm);
}

/* ========== PLAYER DE RÁDIO ========== */

.radio-player {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: var(--header-height);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.player-container {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: var(--spacing-xl);
    align-items: center;
}

/* Controles do Player */
.player-controls {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.player-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid var(--color-white);
    color: var(--color-white);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.player-btn:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: scale(1.1);
}

.player-btn.play-btn {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
}

/* Info do Programa */
.player-info {
    min-width: 0;
}

.player-info-title {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.9;
    margin-bottom: var(--spacing-xs);
}

.player-info-program {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.player-info-host {
    font-size: 0.9375rem;
    opacity: 0.85;
}

/* Próximos Programas */
.player-schedule {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
}

.player-schedule-title {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.player-schedule-item {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.player-schedule-item:last-child {
    border-bottom: none;
}

.player-schedule-time {
    font-weight: 600;
}

/* ========== BREAKING NEWS ========== */

.breaking-news {
    background: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-sm) 0;
    animation: slideDown 0.3s ease-out;
}

.breaking-news .container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.breaking-news-badge {
    background: var(--color-white);
    color: var(--color-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.breaking-news-content {
    flex: 1;
    font-weight: 500;
}

.breaking-news-time {
    font-size: 0.875rem;
    opacity: 0.9;
}

.breaking-news-close {
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.25rem;
    padding: var(--spacing-xs);
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.breaking-news-close:hover {
    opacity: 1;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }

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

/* ========== HERO SECTION ========== */

.hero-section {
    background: var(--color-white);
    padding: var(--spacing-2xl) 0;
    margin-bottom: var(--spacing-xl);
}

.hero-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
}

/* Cards de Notícia */
.news-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    background: var(--color-white);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.news-card-image {
    position: relative;
    overflow: hidden;
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
}

.news-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.news-card:hover .news-card-image img {
    transform: scale(1.05);
}

.news-card-category {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: 1;
}

.news-card-content {
    padding: var(--spacing-lg);
}

.news-card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.news-card-title a {
    color: var(--color-dark);
}

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

.news-card-excerpt {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.news-card-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.news-card-meta i {
    margin-right: var(--spacing-xs);
}

/* Hero Principal */
.hero-main .news-card-title {
    font-size: 2rem;
}

/* Hero Secundário */
.hero-secondary {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.hero-secondary .news-card {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-md);
}

.hero-secondary .news-card-image {
    padding-bottom: 100%;
    border-radius: var(--radius-md);
}

.hero-secondary .news-card-content {
    padding: 0;
}

.hero-secondary .news-card-title {
    font-size: 1.125rem;
}

/* ========== UTILITIES ========== */

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

.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: var(--spacing-sm);
}

.mt-2 {
    margin-top: var(--spacing-md);
}

.mt-3 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-sm);
}

.mb-2 {
    margin-bottom: var(--spacing-md);
}

.mb-3 {
    margin-bottom: var(--spacing-lg);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

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

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

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

.btn-secondary:hover {
    background: var(--color-secondary-dark);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}
/* ========== FOOTER ========== */

.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    margin-top: var(--spacing-3xl);
}

.footer-main {
    padding: var(--spacing-3xl) 0 var(--spacing-2xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
}

.footer-title {
    color: var(--color-white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.footer-text {
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.footer-frequency,
.footer-location {
    margin-top: var(--spacing-md);
    font-size: 0.9375rem;
}

.footer-location i {
    color: var(--color-primary-light);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    align-items: start;
}

.footer-contact i {
    color: var(--color-primary-light);
    margin-top: 0.25rem;
}

.footer-contact a {
    color: var(--color-gray-400);
}

.footer-contact a:hover {
    color: var(--color-white);
}

.social-icons {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    font-size: 1.25rem;
    transition: all var(--transition-fast);
}

.social-icons a:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

/* Newsletter */
.footer-newsletter {
    background: var(--color-gray-800);
    padding: var(--spacing-2xl) 0;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-2xl);
    align-items: center;
}

.newsletter-text h3 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.newsletter-text p {
    color: var(--color-gray-400);
    margin: 0;
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-md);
    min-width: 400px;
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--color-gray-700);
    border-radius: var(--radius-md);
    background: var(--color-gray-900);
    color: var(--color-white);
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Footer Bottom */
.footer-bottom {
    background: var(--color-dark);
    padding: var(--spacing-lg) 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.footer-copyright {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--color-gray-500);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-white);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--color-primary);
    color: var(--color-white);
    border:  none;
    border-radius: 50%;
    font-size: 1.5rem;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    z-index: 999;
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ========== NEWS SECTIONS ========== */

.news-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-white);
    margin-bottom: var(--spacing-xl);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 3px solid var(--color-primary);
}

.section-title {
    font-size: 1.75rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.section-title i {
    color: var(--color-primary);
}

.section-link {
    color: var(--color-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-link:hover {
    gap: var(--spacing-md);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* List Layout */
.news-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.news-list-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-lg);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.news-list-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.category-filters {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.category-filter {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-gray-200);
    border: none;
    border-radius: var(--radius-full);
    color: var(--color-gray-700);
    font-weight: 500;
    transition: all var(--transition-fast);
}

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

/* ========== AUDIO CARDS ========== */

.audio-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.audio-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.audio-card-type {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--color-primary-light);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.audio-card-title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.audio-card-description {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.audio-player-inline {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.audio-play-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    border: none;
    color: var(--color-white);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.audio-play-btn:hover {
    background: var(--color-primary-dark);
    transform: scale(1.1);
}

.audio-duration,
.audio-date {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

 .audio-date {
    margin-left: auto;
}

/* ========== HELPERS ========== */

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border-width: 0;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

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