/* ==============================================
    CONFIGURAÇÕES GERAIS E PALETA DE CORES
==============================================
*/
:root {
    --primary-color: #007bff; /* Azul primário */
    --background-color: #f4f7f9; /* Fundo principal claro */
    --dark-background: #222b3c; /* Fundo escuro (cabeçalho, histórico) */
    --text-color: #333; /* Cor do texto principal */
    --light-text-color: #f0f0f0; /* Cor do texto para fundos escuros */
    --card-background: #ffffff; /* Fundo dos cards e formulários */
    --border-color: #dee2e6; /* Cor da borda sutil */
    --hover-color: #0056b3; /* Cor para hover em botões */
    --shadow-color: rgba(0, 0, 0, 0.08); /* Sombra suave */
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ==============================================
    TELA DE CARREGAMENTO
==============================================
*/
.loading-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: var(--dark-background);
    flex-direction: column;
    gap: 20px;
    color: var(--light-text-color);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 2000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==============================================
    TELA DE LOGIN
==============================================
*/
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: var(--dark-background);
}

.login-box {
    background-color: var(--card-background);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 90%;
    max-width: 450px;
}

.login-logo {
    width: 150px;
    margin-bottom: 20px;
}

.login-box h1 {
    font-size: 1.8em;
    margin-bottom: 10px;
}

.login-box p {
    color: #6c757d;
    margin-bottom: 30px;
}

.login-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: #fff;
    color: var(--text-color);
    font-size: 1em;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.login-button:hover {
    background-color: #f8f9fa;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.google-icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
}


/* ==============================================
    CABEÇALHO DA APLICAÇÃO
==============================================
*/
header {
    background-color: var(--dark-background);
    color: var(--light-text-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid var(--primary-color);
    flex-wrap: wrap; /* Permite que os itens quebrem linha */
}

.header-content {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-logo {
    height: 50px; /* Altura fixa para as logos */
    width: auto;   /* Largura se ajusta para manter a proporção */
}

.header-content h1 {
    font-size: 1.6em;
    margin: 0;
    font-weight: 500;
    white-space: nowrap; /* Evita que o título quebre linha */
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-profile img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
}

.logout-button {
    padding: 8px 16px;
    border: 1px solid var(--light-text-color);
    border-radius: 6px;
    background-color: transparent;
    color: var(--light-text-color);
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

.logout-button:hover {
    background-color: var(--light-text-color);
    color: var(--dark-background);
}


/* ==============================================
    CONTEÚDO PRINCIPAL (SEÇÕES)
==============================================
*/
.content-wrapper {
    flex-grow: 1; /* Faz o conteúdo principal crescer e empurrar o rodapé */
}

.main-container {
    display: flex;
    gap: 20px;
    padding: 20px;
    align-items: flex-start;
}

.section {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 20px;
    flex: 1;
    cursor: pointer;
    transition: flex 0.5s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px var(--shadow-color);
    overflow: hidden;
}

.section:hover {
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
    border-color: var(--primary-color);
}

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

.section-header h2 {
    color: var(--text-color);
    margin-bottom: 10px;
}

.section-header p {
    color: #6c757d;
    font-size: 0.9em;
}

.section-content {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.5s ease, opacity 0.4s ease, margin-top 0.5s ease;
}

.section.expanded {
    flex: 3;
    cursor: default;
}

.section.expanded .section-content {
    max-height: 1000px;
    opacity: 1;
    visibility: visible;
    margin-top: 20px;
}

.section.expanded:hover {
    box-shadow: 0 4px 12px var(--shadow-color);
    border-color: var(--border-color);
}


/* ==============================================
    FORMULÁRIOS
==============================================
*/
form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.form-row .form-group {
    flex: 1;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #495057;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: #fff;
    color: var(--text-color);
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.15);
}

.form-group input[readonly] {
    background-color: #e9ecef;
    cursor: not-allowed;
}

button[type="submit"] {
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    background-color: var(--primary-color);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
    align-self: flex-start;
}

button[type="submit"]:hover {
    background-color: var(--hover-color);
}

/* ==============================================
    HISTÓRICO E FILTROS
==============================================
*/
.history-container {
    padding: 20px;
    margin: 0 20px 20px 20px;
    background-color: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 4px 12px var(--shadow-color);
}

.history-container h2 {
    margin-bottom: 20px;
}

.filters-container {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
    flex-wrap: wrap; /* Permite que os filtros quebrem linha */
}

.filters-container select,
.filters-container input {
    padding: 8px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background-color: #fff;
    flex-grow: 1; /* Permite que os itens cresçam */
}

.history-search-input {
    min-width: 200px; /* Largura mínima para o campo de busca */
}

.table-wrapper {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

#history-table {
    width: 100%;
    border-collapse: collapse;
}

#history-table th, 
#history-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

#history-table thead th {
    background-color: #f8f9fa;
    position: sticky;
    top: 0;
    font-weight: 500;
}

#history-table tbody tr:hover {
    background-color: #e9ecef;
}

#history-table tbody tr:last-child td {
    border-bottom: none;
}


/* ==============================================
    MODAL DE CONFIRMAÇÃO
==============================================
*/
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.5);
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: var(--card-background);
    margin: auto;
    padding: 30px;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 500px;
    border-radius: 12px;
    text-align: center;
    position: relative;
    animation: fadeIn 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.close-button {
    color: #aaa;
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-button:hover,
.close-button:focus {
    color: #333;
}

.generated-code {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--primary-color);
    margin: 15px 0;
    background-color: #e9ecef;
    padding: 10px;
    border-radius: 8px;
    display: inline-block;
    word-break: break-all;
}

/* ==============================================
    RODAPÉ (FOOTER)
==============================================
*/
footer {
    background-color: var(--dark-background);
    color: var(--light-text-color);
    text-align: center;
    padding: 1.5rem;
    font-size: 0.9em;
    margin-top: auto; /* Garante que o rodapé fique no final */
}


/* ==============================================
    CLASSES UTILITÁRIAS
==============================================
*/
.hidden {
    display: none !important;
}

/* ==============================================
    RESPONSIVIDADE (Tablets e Dispositivos Móveis)
==============================================
*/

/* Para telas menores que 992px */
@media (max-width: 992px) {
    .main-container {
        flex-direction: column; /* Empilha as seções verticalmente */
    }
}

/* Para telas menores que 768px (tablets e celulares grandes) */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        padding: 1rem;
        justify-content: center;
    }
    .main-container, .history-container {
        padding: 15px;
        margin: 0 15px 15px 15px;
    }
    .filters-container {
        flex-direction: column;
        align-items: stretch;
    }
    .form-row {
        flex-direction: column;
    }
    footer {
        padding: 1rem;
        font-size: 0.8em;
    }
}

/* Para telas menores que 480px (celulares) */
@media (max-width: 480px) {
    .header-content {
       flex-direction: column;
       gap: 10px;
       text-align: center;
    }
    .header-content h1 {
        font-size: 1.2em;
    }
    .header-logo {
        height: 40px;
    }
     .user-profile #user-name {
        display: none; /* Esconde o nome do usuário em telas muito pequenas */
    }
    .login-box {
        padding: 20px;
    }
    .table-wrapper {
       overflow-x: auto; /* Permite rolagem horizontal na tabela se necessário */
    }
     #history-table th, 
     #history-table td {
        padding: 10px 8px;
        font-size: 0.9em;
        white-space: nowrap; /* Evita que o conteúdo da célula quebre linha */
    }
}