/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2a9d8f;
    --primary-dark: #21867a;
    --secondary-color: #e76f51;
    --background-color: #f4f9f9;
    --card-color: #fff;
    --text-color: #333;
    --text-light: #666;
    --border-radius: 10px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Poppins', Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 2px solid rgba(42, 157, 143, 0.2);
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

p {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* Contador */
.counter {
    margin-bottom: 30px;
    text-align: center;
    background-color: var(--card-color);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.counter-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.counter-display p {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 0;
}

.counter-display span {
    font-size: 1.2rem;
    color: var(--text-light);
}

.progress-container {
    width: 100%;
    height: 15px;
    background-color: #e0e0e0;
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    width: 0%;
    transition: width 0.5s ease;
}

/* Tema */
.theme-description {
    background-color: var(--card-color);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 30px;
    border-left: 5px solid var(--primary-color);
}

/* Filtro e Pesquisa */
.filter-section {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
    justify-content: space-between;
    align-items: center;
}

.search-container {
    display: flex;
    flex: 1;
    min-width: 250px;
}

#search-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    font-size: 1rem;
    outline: none;
}

#search-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 20px;
    cursor: pointer;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-size: 1rem;
    transition: var(--transition);
}

#search-button:hover {
    background-color: var(--primary-dark);
}

.filter-container select {
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    outline: none;
    background-color: white;
    min-width: 150px;
}

/* Lista de Dias */
.day-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.day {
    background-color: var(--card-color);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    border-left: 5px solid transparent;
}

.day:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.day.completed {
    border-left-color: #4CAF50;
}

.day-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.day-number {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--primary-color);
    background-color: rgba(42, 157, 143, 0.1);
    padding: 5px 12px;
    border-radius: 20px;
}

.day-content {
    margin-bottom: 15px;
}

.day-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.video-link {
    color: var(--secondary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 5px;
    font-weight: 500;
}

.video-link:hover {
    text-decoration: underline;
}

.complete-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

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

.complete-btn.completed {
    background-color: #4CAF50;
}

.loading {
    text-align: center;
    padding: 30px;
    font-size: 1.2rem;
    color: var(--text-light);
}

/* Footer */
footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px 0;
    font-size: 0.9rem;
    color: var(--text-light);
    border-top: 1px solid #eee;
}

/* Responsividade */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .counter-display p {
        font-size: 2.5rem;
    }
    
    .day {
        padding: 20px;
    }
    
    .day-actions {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .filter-section {
        flex-direction: column;
    }
    
    .search-container, .filter-container {
        width: 100%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    
    .counter-display p {
        font-size: 2rem;
    }
    
    .day-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}