/* Reset e configurações base */
*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    /* Cores principais */
    --primary-color: #00ff99;
    --primary-dark: #00cc7a;
    --background-dark: #0f0f0f;
    --background-secondary: #181818;
    --background-modal: #222222;
    --text-primary: #e0e0e0;
    --text-secondary: #999999;
    --text-muted: #666666;
    
    /* Sombras e efeitos */
    --glow-primary: 0 0 15px var(--primary-color);
    --glow-secondary: 0 0 30px rgba(0, 255, 153, 0.3);
    --shadow-modal: 0 10px 40px rgba(0, 0, 0, 0.5);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Fontes */
    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-xs: 0.875rem;
    --font-size-sm: 1rem;
    --font-size-md: 1.125rem;
    --font-size-lg: 1.5rem;
    --font-size-xl: 2rem;
    --font-size-xxl: 3rem;
}

/* Configurações globais */
html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    height: 100vh;
    background: linear-gradient(135deg, var(--background-dark) 0%, #1a1a1a 100%);
    color: var(--text-primary);
    font-family: var(--font-family);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Remove scroll vertical */
}

/* Acessibilidade - Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: var(--background-dark);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    z-index: 10001;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

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

/* Header */
header {
    width: 100%;
    text-align: center;
    padding: var(--spacing-md) var(--spacing-lg) 0;
    flex-shrink: 0;
}

#main-title {
    font-size: clamp(1.5rem, 4vw, var(--font-size-xxl));
    margin: 0;
    color: var(--primary-color);
    text-shadow: var(--glow-primary);
    letter-spacing: 2px;
    font-weight: 700;
    animation: glow-pulse 3s ease-in-out infinite alternate;
}

@keyframes glow-pulse {
    from {
        text-shadow: var(--glow-primary);
    }
    to {
        text-shadow: 0 0 25px var(--primary-color), 0 0 35px var(--primary-color);
    }
}

/* Layout de tela única */
.single-screen-layout {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    padding: var(--spacing-md) var(--spacing-lg);
}

.content-wrapper {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: var(--spacing-lg);
}

/* Player section - ocupa a parte superior */
.player-section {
    flex: 0 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.player-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    aspect-ratio: 16 / 9;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--glow-secondary), var(--shadow-modal);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.player-container:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 255, 153, 0.4), var(--shadow-modal);
}

.player-container iframe {
    width: 100%;
    height: 100%;
    border: none;
    background: var(--background-secondary);
}

/* Botão de play manual */
.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    color: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
}

.play-button:hover,
.play-button:focus {
    background: rgba(0, 255, 153, 0.2);
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: var(--glow-secondary);
}

.play-button:active {
    transform: translate(-50%, -50%) scale(0.95);
}

/* Seção de eventos - ocupa a parte inferior */
.events-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0; /* Permite que o flex funcione corretamente */
}

#events-title {
    text-align: center;
    font-size: clamp(1.2rem, 3vw, var(--font-size-xl));
    color: var(--primary-color);
    margin: 0 0 var(--spacing-md) 0;
    text-shadow: 0 0 10px var(--primary-color);
    flex-shrink: 0;
}

/* Container com rolagem horizontal */
.events-scroll-container {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: var(--spacing-sm);
}

/* Customização da scrollbar */
.events-scroll-container::-webkit-scrollbar {
    height: 8px;
}

.events-scroll-container::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
}

.events-scroll-container::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

.events-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* Grid horizontal dos cards */
.events-grid {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-xs) 0;
    min-height: 100%;
    align-items: flex-start;
}

/* Cards simplificados - apenas banner */
.event-card {
    flex: 0 0 auto;
    width: 280px;
    background: var(--background-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(0, 255, 153, 0.15);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    cursor: pointer;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 255, 153, 0.2);
    border-color: var(--primary-color);
}

.event-card__banner {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    border-radius: var(--radius-md);
}

/* Modal */
.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    max-width: 420px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn var(--transition-normal) ease-out;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    backdrop-filter: blur(5px);
    animation: fadeIn var(--transition-normal) ease-out;
}

.modal-content {
    background: var(--background-modal);
    border-radius: var(--radius-lg);
    box-shadow: var(--glow-secondary), var(--shadow-modal);
    overflow: hidden;
    border: 1px solid rgba(0, 255, 153, 0.2);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-header h2 {
    margin: 0;
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    font-weight: 700;
}

.close-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-button:hover,
.close-button:focus {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: var(--spacing-lg);
    text-align: center;
}

.qr-container {
    margin-bottom: var(--spacing-md);
}

.qr-container img {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-md);
    border: 2px solid rgba(0, 255, 153, 0.3);
    transition: transform var(--transition-normal);
}

.qr-container img:hover {
    transform: scale(1.05);
}

.link-container {
    margin-bottom: var(--spacing-md);
}

.link-container input {
    width: 100%;
    padding: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(0, 255, 153, 0.3);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: monospace;
    font-size: var(--font-size-xs);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.link-container input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(0, 255, 153, 0.2);
}

.modal-description {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    margin: 0;
    line-height: 1.4;
}

.modal-footer {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Botões */
.btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    border: 2px solid;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    text-decoration: none;
    user-select: none;
}

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

.btn-primary:hover,
.btn-primary:focus {
    background: var(--primary-color);
    color: var(--background-dark);
    transform: translateY(-1px);
}

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

.btn-secondary:hover,
.btn-secondary:focus {
    background: var(--text-secondary);
    color: var(--background-dark);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn.success {
    background: #00cc7a;
    border-color: #00cc7a;
    color: white;
}

/* Loading indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    z-index: 10002;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 255, 153, 0.3);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 255, 153, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-sm);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animações */
@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translate(-50%, -60%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Estados de foco para acessibilidade */
button:focus,
input:focus,
iframe:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Media queries para responsividade */
@media (max-width: 768px) {
    .single-screen-layout {
        padding: var(--spacing-sm);
    }
    
    .content-wrapper {
        gap: var(--spacing-md);
    }
    
    .player-container {
        max-width: 100%;
    }
    
    .event-card {
        width: 240px;
    }
    
    .modal {
        max-width: 95%;
    }
    
    .qr-container img {
        width: 160px;
        height: 160px;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    header {
        padding: var(--spacing-sm) var(--spacing-sm) 0;
    }
    
    .single-screen-layout {
        padding: var(--spacing-xs);
    }
    
    .event-card {
        width: 200px;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-sm);
    }
    
    .qr-container img {
        width: 140px;
        height: 140px;
    }
}

/* Redução de movimento para acessibilidade */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Print styles */
@media print {
    .modal,
    .modal-overlay,
    .loading-indicator {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .player-container {
        border: 2px solid #ccc;
    }
}