:root {
    --cor-primaria: #4e73df;
    --cor-primaria-hover: #2e59d9;
    --cor-secundaria: #1cc88a;
    --cor-perigo: #e74a3b;
    --cor-aviso: #f6c23e;
    --cor-info: #36b9cc;
    --cor-fundo: #f8f9fc;
    --cor-texto: #5a5c69;
    --cor-branco: #fff;
    --cor-cinza-claro: #f8f9fc;
    --cor-borda: #e3e6f0;
    --sidebar-width: 240px;
    --content-max-width: 1200px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html, body {
    height: 100%;
    width: 100%;
    overflow-x: hidden;
}

body {
    background-color: var(--cor-fundo);
    color: var(--cor-texto);
    min-height: 100%;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Classes utilitárias para responsividade */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

@media (min-width: 768px) {
    .d-md-none {
        display: none !important;
    }
    
    .d-md-block {
        display: block !important;
    }
    
    .d-md-flex {
        display: flex !important;
    }
}

/* Estilos para páginas com sidebar */
.wrapper {
    display: flex;
    width: 100%;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--cor-primaria);
    color: var(--cor-branco);
    height: 100vh;
    transition: all 0.3s ease;
    box-shadow: 0 0.15rem 1.75rem rgba(0, 0, 0, 0.15);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem 1.5rem;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand {
    color: var(--cor-branco);
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    display: block;
}

.sidebar-brand:hover {
    color: var(--cor-branco);
    text-decoration: none;
}

.sidebar-menu {
    padding: 1rem 0;
    list-style: none;
}

.sidebar-item {
    padding: 0.5rem 1.5rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 0.5rem 0;
    transition: all 0.3s;
}

.sidebar-link:hover {
    color: var(--cor-branco);
    padding-left: 0.5rem;
    text-decoration: none;
}

.sidebar-link.active {
    color: var(--cor-branco);
    font-weight: 700;
}

.sidebar-icon {
    margin-right: 0.75rem;
    width: 1.25rem;
    text-align: center;
}

/* Toggle sidebar button */
.toggle-sidebar {
    position: fixed;
    left: 15px;
    top: 15px;
    background-color: var(--cor-primaria);
    color: var(--cor-branco);
    border: none;
    border-radius: 0.35rem;
    padding: 0.75rem;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    display: none;
    cursor: pointer;
    box-shadow: 0 0.15rem 0.5rem rgba(0, 0, 0, 0.2);
    font-size: 1.25rem;
    transition: background-color 0.3s;
}

.toggle-sidebar:hover {
    background-color: var(--cor-primaria-hover);
}

.toggle-sidebar:focus {
    outline: none;
}

/* Conteúdo principal */
.main-content {
    flex: 1;
    width: calc(100% - var(--sidebar-width));
    max-width: calc(100% - var(--sidebar-width));
    padding: 1.5rem;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    min-height: 100vh;
    height: auto;
    overflow-y: auto;
    overflow-x: hidden;
}

@media (min-width: 1200px) {
    .main-content {
        max-width: var(--content-max-width);
        margin-left: var(--sidebar-width);
        padding: 1.5rem;
        margin-right: auto;
    }
    
    .page-header, .card {
        max-width: calc(var(--content-max-width) - 3rem);
    }
}

/* Container para páginas de login/cadastro */
.auth-container {
    width: 100%;
    max-width: 450px;
    padding: 0 20px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.container {
    width: 100%;
    max-width: 450px;
    padding: 0 20px;
}

.card {
    background-color: var(--cor-branco);
    border-radius: 0.35rem;
    box-shadow: 0 0.15rem 1.75rem rgba(0, 0, 0, 0.1);
    margin-bottom: 1.5rem;
    overflow: hidden;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
}

.card-header {
    background-color: var(--cor-branco);
    border-bottom: 1px solid var(--cor-borda);
    padding: 1.25rem;
    width: 100%;
}

.card-header h1 {
    font-size: 1.5rem;
    color: var(--cor-primaria);
    margin: 0;
    font-weight: 700;
    text-align: center;
    width: 100%;
    overflow-wrap: break-word;
    word-wrap: break-word;
}

.card-body {
    padding: 1.25rem;
    width: 100%;
    box-sizing: border-box;
    overflow-x: hidden;
    word-wrap: break-word;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-control {
    display: block;
    width: 100%;
    height: calc(1.5em + 0.75rem + 2px);
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #6e707e;
    background-color: var(--cor-branco);
    background-clip: padding-box;
    border: 1px solid var(--cor-borda);
    border-radius: 0.35rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    border-color: var(--cor-primaria);
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

.btn {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 400;
    text-align: center;
    user-select: none;
    border: 1px solid transparent;
    border-radius: 0.35rem;
    line-height: 1.5;
    cursor: pointer;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.btn-primary {
    color: var(--cor-branco);
    background-color: var(--cor-primaria);
    border-color: var(--cor-primaria);
}

.btn-primary:hover {
    background-color: var(--cor-primaria-hover);
    border-color: var(--cor-primaria-hover);
}

.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.35rem;
    text-align: center;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

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

.small {
    font-size: 80%;
    font-weight: 400;
}

.divider {
    margin: 1rem 0;
    border-top: 1px solid var(--cor-borda);
}

.divider-text {
    position: relative;
    text-align: center;
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.divider-text::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 45%;
    border-top: 1px solid var(--cor-borda);
}

.divider-text::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 0;
    width: 45%;
    border-top: 1px solid var(--cor-borda);
}

/* Dashboard específico */
.dashboard-container {
    width: 100%;
    max-width: 100%;
}

.page-header {
    margin-bottom: 1.5rem;
    background-color: var(--cor-branco);
    border-radius: 0.35rem;
    box-shadow: 0 0.15rem 1.75rem rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    max-width: 100%;
}

.page-header h1 {
    font-size: 1.5rem;
    color: var(--cor-texto);
    margin: 0;
    font-weight: 700;
}

.logout-btn {
    padding: 0.5rem 1rem;
    background-color: var(--cor-perigo);
    color: var(--cor-branco);
    text-decoration: none;
    border-radius: 0.35rem;
}

.logout-btn:hover {
    background-color: #c82333;
    text-decoration: none;
    color: var(--cor-branco);
}

/* Sidebar footer com botão de logout */
.sidebar-footer {
    margin-top: auto;
    width: 100%;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0;
    background: linear-gradient(to bottom, rgba(231, 74, 59, 0), rgba(231, 74, 59, 0.18));
}

.sidebar-logout-container {
    padding: 0.5rem 1rem;
    text-align: center;
}

.sidebar-logout {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cor-branco);
    font-weight: 600;
    text-decoration: none;
    padding: 0.75rem;
    transition: all 0.3s;
    border-radius: 0.35rem;
    border: 1px solid rgba(231, 74, 59, 0.5);
    background-color: rgba(231, 74, 59, 0.2);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.sidebar-logout:hover {
    color: var(--cor-branco);
    background-color: var(--cor-perigo);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.logout-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin-right: 0.75rem;
    transition: all 0.3s;
}

.sidebar-logout:hover .logout-icon-wrapper {
    background-color: rgba(255, 255, 255, 0.2);
    transform: rotate(-180deg);
}

.sidebar-logout i {
    font-size: 1rem;
    color: var(--cor-branco);
}

/* Responsividade */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    
    .sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
        transform: translateX(0);
        transition: margin-left 0.3s ease;
        height: 100vh;
    }
    
    .sidebar.active {
        margin-left: 0;
        transform: translateX(0);
    }
    
    .main-content {
        width: 100%;
        max-width: 100%;
        margin-left: 0;
        transition: margin-left 0.3s ease;
        padding: 1rem;
    }
    
    .main-content.sidebar-active {
        margin-left: var(--sidebar-width);
    }
    
    .toggle-sidebar {
        display: block;
    }
    
    .page-header {
        padding-left: 50px;
    }
}