/* Estilos globais e variáveis de cores */
:root {
    --bg-color: #f5f5f0;
    --text-color: #000000;
    --box-border: #000000;
    --check-color: #22c55e;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 2rem;
    padding-bottom: 4rem;
    min-height: 100vh;
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: 700px;
    padding: 2rem;
    background: #ffffff;
    border: 2px solid var(--box-border);
    border-radius: 8px;
    box-shadow: 6px 6px 0px rgba(0, 0, 0, 1);
}

h1 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 800;
}

.progress-container {
    width: 100%;
    height: 24px;
    background-color: #ffffff;
    border: 2px solid var(--box-border);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 3px 3px 0px rgba(0, 0, 0, 1);
}

.progress-bar {
    height: 100%;
    width: 0%;
    background-color: var(--check-color);
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--text-color);
    pointer-events: none;
    text-shadow: 1px 1px 0px #ffffff, -1px -1px 0px #ffffff, 1px -1px 0px #ffffff, -1px 1px 0px #ffffff;
}

.progress-count {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    gap: 10px;
    margin-bottom: 2rem;
}

#aulaInput {
    flex: 1;
    padding: 10px 14px;
    font-size: 0.9rem;
    border: 2px solid var(--box-border);
    border-radius: 6px;
    outline: none;
    background-color: #ffffff;
    color: var(--text-color);
    transition: box-shadow 0.2s;
}

#aulaInput:focus {
    box-shadow: 3px 3px 0px rgba(0, 0, 0, 1);
}

#addBtn {
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: bold;
    color: #ffffff;
    background-color: var(--text-color);
    border: 2px solid var(--box-border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

#addBtn:hover {
    background-color: #222;
}

#addBtn:active {
    transform: translate(3px, 3px);
    box-shadow: none;
}

.aulas-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px; /* Menor espaçamento */
}

.curso-header {
    font-size: 1.25rem;
    font-weight: 900;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 8px;
    border-bottom: 3px solid var(--box-border);
    color: var(--text-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.curso-header:first-child {
    margin-top: 0;
}

/* Estilo para os divisores de módulos */
.modulo-header {
    font-size: 1rem;
    font-weight: 800;
    margin-top: 1.5rem;
    margin-bottom: 0.2rem;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--box-border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modulo-header:first-child {
    margin-top: 0;
}

.aula-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border: 2px solid var(--box-border);
    border-radius: 6px;
    background: #ffffff;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    user-select: none;
}

.aula-item:hover {
    transform: translateY(-1px) translateX(-1px);
    box-shadow: 3px 3px 0px rgba(0, 0, 0, 1);
}

.checkbox {
    width: 18px; /* Quadrado pequeno */
    height: 18px;
    border: 2px solid var(--box-border);
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
    flex-shrink: 0;
}

.checkbox::after {
    content: '';
    display: none;
    width: 4px; 
    height: 10px; 
    border: solid var(--check-color);
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.aula-item.recorded .checkbox-gravada::after {
    display: block;
}

.checkbox-rosa {
    border-color: #ec4899;
}
.checkbox-rosa::after {
    border-color: #ec4899;
}
.checkbox-rosa.checked::after {
    display: block;
}

.progress-container-rosa {
    border-color: #ec4899;
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}
.progress-bar-rosa {
    background-color: #ec4899;
}

.aula-item.recorded .aula-nome {
    text-decoration: line-through;
    opacity: 0.5;
}

.aula-nome {
    font-size: 0.85rem; /* Tipografia pequena */
    font-weight: 500;
    flex: 1;
    transition: opacity 0.2s;
    line-height: 1.3;
}

.delete-btn {
    background: transparent;
    border: none;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    color: #999;
    padding: 2px 6px;
    transition: color 0.2s;
}

.delete-btn:hover {
    color: #ef4444;
}

.copy-btn {
    background: transparent;
    border: none;
    font-size: 1.1rem;
    cursor: pointer;
    padding: 2px 6px;
    opacity: 0.5;
    transition: opacity 0.2s, transform 0.2s;
    filter: grayscale(100%);
}

.copy-btn:hover {
    opacity: 1;
    transform: scale(1.1);
    filter: grayscale(0%);
}